/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/mix028_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 19:38:05,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 19:38:05,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 19:38:05,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 19:38:05,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 19:38:05,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 19:38:05,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 19:38:05,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 19:38:05,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 19:38:05,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 19:38:05,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 19:38:05,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 19:38:05,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 19:38:05,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 19:38:05,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 19:38:05,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 19:38:05,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 19:38:05,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 19:38:05,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 19:38:05,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 19:38:05,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 19:38:05,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 19:38:05,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 19:38:05,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 19:38:05,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 19:38:05,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 19:38:05,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 19:38:05,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 19:38:05,963 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 19:38:06,013 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 19:38:06,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 19:38:06,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 19:38:06,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 19:38:06,016 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 19:38:06,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 19:38:06,017 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 19:38:06,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 19:38:06,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 19:38:06,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 19:38:06,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 19:38:06,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 19:38:06,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 19:38:06,018 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 19:38:06,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 19:38:06,019 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 19:38:06,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 19:38:06,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 19:38:06,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 19:38:06,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 19:38:06,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 19:38:06,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 19:38:06,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 19:38:06,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 19:38:06,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 19:38:06,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 19:38:06,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 19:38:06,022 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 19:38:06,022 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 19:38:06,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 19:38:06,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 19:38:06,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 19:38:06,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 19:38:06,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 19:38:06,492 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 19:38:06,493 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 19:38:06,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix028_rmo.opt.i [2021-04-28 19:38:06,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7cff57bb/517e32194aa541b2a8acd5c6d1744934/FLAG4cfe5291b [2021-04-28 19:38:07,434 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 19:38:07,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix028_rmo.opt.i [2021-04-28 19:38:07,454 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7cff57bb/517e32194aa541b2a8acd5c6d1744934/FLAG4cfe5291b [2021-04-28 19:38:07,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7cff57bb/517e32194aa541b2a8acd5c6d1744934 [2021-04-28 19:38:07,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 19:38:07,745 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 19:38:07,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 19:38:07,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 19:38:07,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 19:38:07,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 07:38:07" (1/1) ... [2021-04-28 19:38:07,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cc8abe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:38:07, skipping insertion in model container [2021-04-28 19:38:07,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 07:38:07" (1/1) ... [2021-04-28 19:38:07,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 19:38:07,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 19:38:08,007 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/mix028_rmo.opt.i[948,961] [2021-04-28 19:38:08,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 19:38:08,532 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 19:38:08,552 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/mix028_rmo.opt.i[948,961] [2021-04-28 19:38:08,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 19:38:08,788 INFO L208 MainTranslator]: Completed translation [2021-04-28 19:38:08,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:38:08 WrapperNode [2021-04-28 19:38:08,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 19:38:08,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 19:38:08,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 19:38:08,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 19:38:08,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:38:08" (1/1) ... [2021-04-28 19:38:08,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:38:08" (1/1) ... [2021-04-28 19:38:08,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 19:38:08,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 19:38:08,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 19:38:08,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 19:38:08,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:38:08" (1/1) ... [2021-04-28 19:38:08,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:38:08" (1/1) ... [2021-04-28 19:38:08,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:38:08" (1/1) ... [2021-04-28 19:38:08,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:38:08" (1/1) ... [2021-04-28 19:38:08,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:38:08" (1/1) ... [2021-04-28 19:38:08,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:38:08" (1/1) ... [2021-04-28 19:38:08,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:38:08" (1/1) ... [2021-04-28 19:38:09,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 19:38:09,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 19:38:09,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 19:38:09,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 19:38:09,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:38:08" (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 19:38:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 19:38:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 19:38:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 19:38:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 19:38:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 19:38:09,128 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 19:38:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 19:38:09,128 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 19:38:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 19:38:09,128 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 19:38:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 19:38:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 19:38:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 19:38:09,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 19:38:09,131 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 19:38:11,626 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 19:38:11,627 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 19:38:11,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 07:38:11 BoogieIcfgContainer [2021-04-28 19:38:11,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 19:38:11,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 19:38:11,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 19:38:11,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 19:38:11,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 07:38:07" (1/3) ... [2021-04-28 19:38:11,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f68390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 07:38:11, skipping insertion in model container [2021-04-28 19:38:11,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:38:08" (2/3) ... [2021-04-28 19:38:11,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f68390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 07:38:11, skipping insertion in model container [2021-04-28 19:38:11,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 07:38:11" (3/3) ... [2021-04-28 19:38:11,640 INFO L111 eAbstractionObserver]: Analyzing ICFG mix028_rmo.opt.i [2021-04-28 19:38:11,648 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 19:38:11,654 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 19:38:11,655 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 19:38:11,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,697 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,697 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,697 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,698 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,703 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,703 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,703 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,703 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,704 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,704 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,704 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,704 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,705 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,705 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,705 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,705 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,706 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,706 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,710 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,711 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,712 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,712 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,712 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,712 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,712 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,713 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,713 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,716 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,716 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,716 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,717 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,717 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,717 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,720 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,720 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,721 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,721 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,721 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,721 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,721 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,722 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,722 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,722 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,724 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,724 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,725 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,729 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,730 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,730 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,730 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,730 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:38:11,733 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 19:38:11,762 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 19:38:11,792 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 19:38:11,792 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 19:38:11,792 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 19:38:11,792 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 19:38:11,792 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 19:38:11,792 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 19:38:11,793 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 19:38:11,793 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 19:38:11,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2021-04-28 19:38:11,863 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-04-28 19:38:11,864 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:38:11,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-28 19:38:11,872 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 99 transitions, 213 flow [2021-04-28 19:38:11,884 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 96 transitions, 201 flow [2021-04-28 19:38:11,886 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:38:11,906 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 96 transitions, 201 flow [2021-04-28 19:38:11,911 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 96 transitions, 201 flow [2021-04-28 19:38:11,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 201 flow [2021-04-28 19:38:11,941 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-04-28 19:38:11,942 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:38:11,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-28 19:38:11,947 INFO L146 LiptonReduction]: Number of co-enabled transitions 1770 [2021-04-28 19:38:14,193 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 19:38:14,732 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 19:38:17,285 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 19:38:18,477 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 19:38:22,336 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 19:38:22,463 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 19:38:23,123 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2021-04-28 19:38:23,382 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 19:38:24,237 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 19:38:24,385 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 19:38:25,134 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 19:38:25,743 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 19:38:26,942 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 19:38:28,160 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 19:38:28,751 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 19:38:29,318 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 19:38:30,496 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 19:38:31,744 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 19:38:32,368 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 19:38:32,994 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 19:38:34,247 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 19:38:35,567 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 19:38:39,606 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 19:38:40,260 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 19:38:42,965 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2021-04-28 19:38:44,321 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 19:38:44,977 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 19:38:45,635 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 19:38:47,117 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 19:38:48,582 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 19:38:49,239 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 19:38:49,932 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 19:38:51,358 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 19:38:52,851 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 19:38:53,518 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 19:38:54,232 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 19:38:55,715 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 19:38:57,200 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 19:39:00,340 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 19:39:01,017 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 19:39:02,465 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 19:39:03,910 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 19:39:04,654 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 19:39:05,342 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 19:39:08,411 WARN L205 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2021-04-28 19:39:09,935 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 19:39:10,705 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 19:39:11,471 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 19:39:14,587 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2021-04-28 19:39:16,221 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 19:39:17,013 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 19:39:17,135 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 19:39:17,259 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 19:39:17,387 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 19:39:17,500 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 19:39:17,610 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 19:39:17,721 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 19:39:17,830 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 19:39:18,230 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 19:39:18,360 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 19:39:18,493 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 19:39:18,626 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 19:39:18,760 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 19:39:18,865 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 19:39:18,972 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 19:39:19,075 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 19:39:19,178 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 19:39:19,283 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 19:39:19,387 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 19:39:19,494 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 19:39:19,603 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 19:39:19,724 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 19:39:19,845 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 19:39:19,970 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 19:39:20,093 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 19:39:20,595 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 19:39:20,719 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 19:39:20,841 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 19:39:20,964 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 19:39:22,531 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 19:39:22,807 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 19:39:23,008 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 19:39:23,213 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 19:39:23,413 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 19:39:23,625 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 19:39:23,740 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 19:39:23,859 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 19:39:23,970 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 19:39:24,094 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 19:39:24,209 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 19:39:24,334 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 19:39:24,449 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 19:39:25,638 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:39:25,796 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:39:25,953 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:39:26,105 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:39:26,272 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:39:26,424 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:39:26,586 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:39:26,729 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:39:26,875 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:39:27,031 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 19:39:27,184 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:39:27,323 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 19:39:27,472 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 19:39:27,610 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:39:27,748 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 19:39:27,879 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:39:28,016 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:39:28,150 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:39:28,296 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:39:28,422 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:39:28,540 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 19:39:28,649 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 19:39:28,752 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 19:39:28,856 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 19:39:29,038 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:39:29,210 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:39:29,397 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:39:29,569 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:39:29,744 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:39:29,904 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:39:30,077 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:39:30,255 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:39:30,386 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:39:30,512 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 19:39:30,648 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:39:30,774 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 19:39:30,919 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 19:39:31,060 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:39:31,215 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 19:39:31,363 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:39:31,685 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 19:39:31,805 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 19:39:32,601 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 19:39:32,716 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 19:39:32,827 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 19:39:32,934 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 19:39:33,196 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:39:33,445 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:39:33,700 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:39:33,951 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:39:34,148 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:39:34,341 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:39:34,529 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:39:34,711 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:39:34,921 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:39:35,137 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:39:35,356 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:39:35,576 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:39:35,734 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:39:35,887 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:39:36,069 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:39:36,230 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:39:36,432 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:39:36,631 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:39:36,835 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:39:37,034 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:39:37,242 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:39:37,454 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:39:37,663 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:39:37,875 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:39:38,126 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:39:38,369 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:39:38,620 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:39:38,863 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:39:39,080 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:39:39,289 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:39:39,496 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:39:39,701 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:39:39,870 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:39:40,036 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:39:40,197 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:39:40,353 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:39:40,601 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:39:40,844 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:39:41,076 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:39:41,309 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:39:41,469 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:39:41,628 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:39:41,799 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:39:41,970 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:39:42,175 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:39:42,370 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:39:42,549 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:39:42,727 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:39:42,955 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:39:43,205 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:39:43,442 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:39:43,673 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:39:43,925 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:39:44,199 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:39:44,455 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:39:44,720 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:39:44,960 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:39:45,212 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:39:45,446 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:39:45,684 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:39:45,860 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:39:46,046 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:39:46,245 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:39:46,434 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:39:47,179 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 19:39:47,500 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 19:39:48,206 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 19:39:48,557 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 19:39:48,822 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:39:49,089 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:39:49,373 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:39:49,649 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:39:49,917 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:39:50,193 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:39:50,464 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:39:50,721 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:39:51,479 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 19:39:51,851 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 19:39:52,635 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 19:39:52,991 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 19:39:53,256 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:39:53,518 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:39:53,794 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:39:54,084 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:39:54,366 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:39:54,652 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:39:54,944 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:39:55,231 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:39:55,279 INFO L158 LiptonReduction]: Checked pairs total: 17825 [2021-04-28 19:39:55,279 INFO L160 LiptonReduction]: Total number of compositions: 232 [2021-04-28 19:39:55,284 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 103400 [2021-04-28 19:39:55,309 INFO L129 PetriNetUnfolder]: 0/65 cut-off events. [2021-04-28 19:39:55,310 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:39:55,310 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:39:55,311 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 19:39:55,311 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:39:55,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:39:55,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1159029404, now seen corresponding path program 1 times [2021-04-28 19:39:55,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:39:55,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749426480] [2021-04-28 19:39:55,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:39:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:39:55,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:39:55,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:39:55,704 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 19:39:55,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749426480] [2021-04-28 19:39:55,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:39:55,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:39:55,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415388315] [2021-04-28 19:39:55,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:39:55,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:39:55,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:39:55,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:39:55,738 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 331 [2021-04-28 19:39:55,744 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 123 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 0 states have call successors, (0), 0 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 19:39:55,745 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:39:55,745 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 331 [2021-04-28 19:39:55,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:39:56,338 INFO L129 PetriNetUnfolder]: 309/887 cut-off events. [2021-04-28 19:39:56,339 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:39:56,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1412 conditions, 887 events. 309/887 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 7224 event pairs, 61 based on Foata normal form. 11/484 useless extension candidates. Maximal degree in co-relation 1338. Up to 377 conditions per place. [2021-04-28 19:39:56,348 INFO L132 encePairwiseOnDemand]: 311/331 looper letters, 9 selfloop transitions, 2 changer transitions 89/135 dead transitions. [2021-04-28 19:39:56,348 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 135 transitions, 379 flow [2021-04-28 19:39:56,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:39:56,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:39:56,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2021-04-28 19:39:56,373 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.798590130916415 [2021-04-28 19:39:56,374 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2021-04-28 19:39:56,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2021-04-28 19:39:56,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:39:56,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2021-04-28 19:39:56,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 0 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 19:39:56,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 331.0) internal successors, (1324), 4 states have internal predecessors, (1324), 0 states have call successors, (0), 0 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 19:39:56,402 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 331.0) internal successors, (1324), 4 states have internal predecessors, (1324), 0 states have call successors, (0), 0 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 19:39:56,405 INFO L185 Difference]: Start difference. First operand has 131 places, 123 transitions, 255 flow. Second operand 3 states and 793 transitions. [2021-04-28 19:39:56,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 135 transitions, 379 flow [2021-04-28 19:39:56,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 135 transitions, 376 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 19:39:56,415 INFO L241 Difference]: Finished difference. Result has 127 places, 42 transitions, 94 flow [2021-04-28 19:39:56,418 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=127, PETRI_TRANSITIONS=42} [2021-04-28 19:39:56,419 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -4 predicate places. [2021-04-28 19:39:56,419 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:39:56,420 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 42 transitions, 94 flow [2021-04-28 19:39:56,420 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 42 transitions, 94 flow [2021-04-28 19:39:56,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 42 transitions, 94 flow [2021-04-28 19:39:56,428 INFO L129 PetriNetUnfolder]: 0/42 cut-off events. [2021-04-28 19:39:56,428 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:39:56,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 42 events. 0/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 142 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 19:39:56,429 INFO L146 LiptonReduction]: Number of co-enabled transitions 990 [2021-04-28 19:39:56,988 INFO L158 LiptonReduction]: Checked pairs total: 978 [2021-04-28 19:39:56,988 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:39:56,988 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 569 [2021-04-28 19:39:56,991 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 42 transitions, 94 flow [2021-04-28 19:39:56,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 0 states have call successors, (0), 0 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 19:39:56,992 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:39:56,992 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:39:56,992 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 19:39:56,993 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:39:56,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:39:56,993 INFO L82 PathProgramCache]: Analyzing trace with hash 602599451, now seen corresponding path program 1 times [2021-04-28 19:39:56,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:39:56,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958390561] [2021-04-28 19:39:56,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:39:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:39:57,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:39:57,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:39:57,221 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 19:39:57,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958390561] [2021-04-28 19:39:57,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:39:57,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:39:57,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919367893] [2021-04-28 19:39:57,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:39:57,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:39:57,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:39:57,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:39:57,227 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 331 [2021-04-28 19:39:57,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 42 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 242.66666666666666) internal successors, (728), 3 states have internal predecessors, (728), 0 states have call successors, (0), 0 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 19:39:57,230 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:39:57,230 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 331 [2021-04-28 19:39:57,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:39:57,249 INFO L129 PetriNetUnfolder]: 0/42 cut-off events. [2021-04-28 19:39:57,249 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:39:57,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 42 events. 0/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 151 event pairs, 0 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 19:39:57,250 INFO L132 encePairwiseOnDemand]: 328/331 looper letters, 1 selfloop transitions, 2 changer transitions 12/42 dead transitions. [2021-04-28 19:39:57,250 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 42 transitions, 100 flow [2021-04-28 19:39:57,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:39:57,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:39:57,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 730 transitions. [2021-04-28 19:39:57,256 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7351460221550856 [2021-04-28 19:39:57,256 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 730 transitions. [2021-04-28 19:39:57,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 730 transitions. [2021-04-28 19:39:57,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:39:57,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 730 transitions. [2021-04-28 19:39:57,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 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 19:39:57,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 331.0) internal successors, (1324), 4 states have internal predecessors, (1324), 0 states have call successors, (0), 0 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 19:39:57,265 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 331.0) internal successors, (1324), 4 states have internal predecessors, (1324), 0 states have call successors, (0), 0 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 19:39:57,265 INFO L185 Difference]: Start difference. First operand has 51 places, 42 transitions, 94 flow. Second operand 3 states and 730 transitions. [2021-04-28 19:39:57,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 42 transitions, 100 flow [2021-04-28 19:39:57,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 42 transitions, 96 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:39:57,267 INFO L241 Difference]: Finished difference. Result has 52 places, 30 transitions, 74 flow [2021-04-28 19:39:57,268 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=52, PETRI_TRANSITIONS=30} [2021-04-28 19:39:57,270 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -79 predicate places. [2021-04-28 19:39:57,270 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:39:57,271 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 30 transitions, 74 flow [2021-04-28 19:39:57,272 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 30 transitions, 74 flow [2021-04-28 19:39:57,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 30 transitions, 74 flow [2021-04-28 19:39:57,278 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-04-28 19:39:57,278 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:39:57,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 64 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 19:39:57,279 INFO L146 LiptonReduction]: Number of co-enabled transitions 500 [2021-04-28 19:39:57,454 INFO L158 LiptonReduction]: Checked pairs total: 631 [2021-04-28 19:39:57,454 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:39:57,455 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 185 [2021-04-28 19:39:57,456 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 30 transitions, 74 flow [2021-04-28 19:39:57,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 242.66666666666666) internal successors, (728), 3 states have internal predecessors, (728), 0 states have call successors, (0), 0 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 19:39:57,457 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:39:57,457 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:39:57,458 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 19:39:57,458 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:39:57,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:39:57,458 INFO L82 PathProgramCache]: Analyzing trace with hash -722576153, now seen corresponding path program 1 times [2021-04-28 19:39:57,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:39:57,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897775787] [2021-04-28 19:39:57,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:39:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:39:57,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:39:57,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-28 19:39:57,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:39:57,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:39:57,656 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 19:39:57,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897775787] [2021-04-28 19:39:57,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:39:57,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 19:39:57,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581300526] [2021-04-28 19:39:57,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:39:57,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:39:57,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:39:57,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:39:57,661 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 331 [2021-04-28 19:39:57,663 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 30 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 196.75) internal successors, (787), 4 states have internal predecessors, (787), 0 states have call successors, (0), 0 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 19:39:57,663 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:39:57,663 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 331 [2021-04-28 19:39:57,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:39:57,817 INFO L129 PetriNetUnfolder]: 77/199 cut-off events. [2021-04-28 19:39:57,817 INFO L130 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2021-04-28 19:39:57,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 357 conditions, 199 events. 77/199 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1018 event pairs, 59 based on Foata normal form. 3/150 useless extension candidates. Maximal degree in co-relation 347. Up to 125 conditions per place. [2021-04-28 19:39:57,820 INFO L132 encePairwiseOnDemand]: 327/331 looper letters, 9 selfloop transitions, 3 changer transitions 0/34 dead transitions. [2021-04-28 19:39:57,820 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 34 transitions, 106 flow [2021-04-28 19:39:57,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:39:57,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:39:57,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 601 transitions. [2021-04-28 19:39:57,825 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6052366565961732 [2021-04-28 19:39:57,826 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 601 transitions. [2021-04-28 19:39:57,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 601 transitions. [2021-04-28 19:39:57,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:39:57,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 601 transitions. [2021-04-28 19:39:57,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 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 19:39:57,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 331.0) internal successors, (1324), 4 states have internal predecessors, (1324), 0 states have call successors, (0), 0 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 19:39:57,834 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 331.0) internal successors, (1324), 4 states have internal predecessors, (1324), 0 states have call successors, (0), 0 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 19:39:57,834 INFO L185 Difference]: Start difference. First operand has 40 places, 30 transitions, 74 flow. Second operand 3 states and 601 transitions. [2021-04-28 19:39:57,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 34 transitions, 106 flow [2021-04-28 19:39:57,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 34 transitions, 102 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:39:57,836 INFO L241 Difference]: Finished difference. Result has 41 places, 32 transitions, 89 flow [2021-04-28 19:39:57,837 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=89, PETRI_PLACES=41, PETRI_TRANSITIONS=32} [2021-04-28 19:39:57,837 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -90 predicate places. [2021-04-28 19:39:57,837 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:39:57,837 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 32 transitions, 89 flow [2021-04-28 19:39:57,838 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 32 transitions, 89 flow [2021-04-28 19:39:57,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 32 transitions, 89 flow [2021-04-28 19:39:57,846 INFO L129 PetriNetUnfolder]: 3/44 cut-off events. [2021-04-28 19:39:57,846 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-28 19:39:57,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 44 events. 3/44 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 128 event pairs, 1 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 61. Up to 10 conditions per place. [2021-04-28 19:39:57,848 INFO L146 LiptonReduction]: Number of co-enabled transitions 538 [2021-04-28 19:39:57,989 INFO L158 LiptonReduction]: Checked pairs total: 577 [2021-04-28 19:39:57,989 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:39:57,990 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 153 [2021-04-28 19:39:57,991 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 32 transitions, 89 flow [2021-04-28 19:39:57,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 196.75) internal successors, (787), 4 states have internal predecessors, (787), 0 states have call successors, (0), 0 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 19:39:57,993 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:39:57,993 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:39:57,993 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 19:39:57,993 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:39:57,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:39:57,994 INFO L82 PathProgramCache]: Analyzing trace with hash 915129944, now seen corresponding path program 1 times [2021-04-28 19:39:57,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:39:57,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572413674] [2021-04-28 19:39:57,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:39:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:39:58,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:39:58,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-28 19:39:58,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:39:58,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-28 19:39:58,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:39:58,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-28 19:39:58,232 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 19:39:58,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572413674] [2021-04-28 19:39:58,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:39:58,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:39:58,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964733774] [2021-04-28 19:39:58,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 19:39:58,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:39:58,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 19:39:58,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 19:39:58,237 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 331 [2021-04-28 19:39:58,238 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 32 transitions, 89 flow. Second operand has 5 states, 5 states have (on average 177.8) internal successors, (889), 5 states have internal predecessors, (889), 0 states have call successors, (0), 0 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 19:39:58,239 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:39:58,239 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 331 [2021-04-28 19:39:58,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:39:58,478 INFO L129 PetriNetUnfolder]: 85/260 cut-off events. [2021-04-28 19:39:58,478 INFO L130 PetriNetUnfolder]: For 78/114 co-relation queries the response was YES. [2021-04-28 19:39:58,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 260 events. 85/260 cut-off events. For 78/114 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1427 event pairs, 25 based on Foata normal form. 8/188 useless extension candidates. Maximal degree in co-relation 480. Up to 128 conditions per place. [2021-04-28 19:39:58,482 INFO L132 encePairwiseOnDemand]: 323/331 looper letters, 12 selfloop transitions, 13 changer transitions 0/47 dead transitions. [2021-04-28 19:39:58,482 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 47 transitions, 185 flow [2021-04-28 19:39:58,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 19:39:58,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 19:39:58,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 909 transitions. [2021-04-28 19:39:58,489 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5492447129909366 [2021-04-28 19:39:58,489 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 909 transitions. [2021-04-28 19:39:58,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 909 transitions. [2021-04-28 19:39:58,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:39:58,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 909 transitions. [2021-04-28 19:39:58,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 181.8) internal successors, (909), 5 states have internal predecessors, (909), 0 states have call successors, (0), 0 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 19:39:58,498 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 331.0) internal successors, (1986), 6 states have internal predecessors, (1986), 0 states have call successors, (0), 0 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 19:39:58,500 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 331.0) internal successors, (1986), 6 states have internal predecessors, (1986), 0 states have call successors, (0), 0 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 19:39:58,500 INFO L185 Difference]: Start difference. First operand has 41 places, 32 transitions, 89 flow. Second operand 5 states and 909 transitions. [2021-04-28 19:39:58,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 47 transitions, 185 flow [2021-04-28 19:39:58,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 47 transitions, 178 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 19:39:58,503 INFO L241 Difference]: Finished difference. Result has 47 places, 44 transitions, 184 flow [2021-04-28 19:39:58,503 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=184, PETRI_PLACES=47, PETRI_TRANSITIONS=44} [2021-04-28 19:39:58,504 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -84 predicate places. [2021-04-28 19:39:58,504 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:39:58,504 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 44 transitions, 184 flow [2021-04-28 19:39:58,504 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 44 transitions, 184 flow [2021-04-28 19:39:58,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 44 transitions, 184 flow [2021-04-28 19:39:58,535 INFO L129 PetriNetUnfolder]: 38/166 cut-off events. [2021-04-28 19:39:58,535 INFO L130 PetriNetUnfolder]: For 125/162 co-relation queries the response was YES. [2021-04-28 19:39:58,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 166 events. 38/166 cut-off events. For 125/162 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 931 event pairs, 4 based on Foata normal form. 1/115 useless extension candidates. Maximal degree in co-relation 350. Up to 50 conditions per place. [2021-04-28 19:39:58,539 INFO L146 LiptonReduction]: Number of co-enabled transitions 694 [2021-04-28 19:39:58,583 INFO L158 LiptonReduction]: Checked pairs total: 407 [2021-04-28 19:39:58,584 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:39:58,584 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 80 [2021-04-28 19:39:58,585 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 44 transitions, 184 flow [2021-04-28 19:39:58,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 177.8) internal successors, (889), 5 states have internal predecessors, (889), 0 states have call successors, (0), 0 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 19:39:58,586 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:39:58,586 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:39:58,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 19:39:58,587 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:39:58,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:39:58,587 INFO L82 PathProgramCache]: Analyzing trace with hash -925026952, now seen corresponding path program 2 times [2021-04-28 19:39:58,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:39:58,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433613186] [2021-04-28 19:39:58,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:39:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:39:58,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:39:58,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 19:39:58,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:39:58,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:39:58,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:39:58,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:39:58,779 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 19:39:58,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433613186] [2021-04-28 19:39:58,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:39:58,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:39:58,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892968693] [2021-04-28 19:39:58,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 19:39:58,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:39:58,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 19:39:58,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 19:39:58,785 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 331 [2021-04-28 19:39:58,787 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 44 transitions, 184 flow. Second operand has 5 states, 5 states have (on average 186.8) internal successors, (934), 5 states have internal predecessors, (934), 0 states have call successors, (0), 0 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 19:39:58,787 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:39:58,788 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 331 [2021-04-28 19:39:58,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:39:59,023 INFO L129 PetriNetUnfolder]: 85/232 cut-off events. [2021-04-28 19:39:59,023 INFO L130 PetriNetUnfolder]: For 297/544 co-relation queries the response was YES. [2021-04-28 19:39:59,024 INFO L84 FinitePrefix]: Finished finitePrefix Result has 643 conditions, 232 events. 85/232 cut-off events. For 297/544 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1175 event pairs, 36 based on Foata normal form. 14/187 useless extension candidates. Maximal degree in co-relation 628. Up to 132 conditions per place. [2021-04-28 19:39:59,026 INFO L132 encePairwiseOnDemand]: 325/331 looper letters, 16 selfloop transitions, 12 changer transitions 0/50 dead transitions. [2021-04-28 19:39:59,026 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 50 transitions, 267 flow [2021-04-28 19:39:59,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:39:59,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:39:59,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 761 transitions. [2021-04-28 19:39:59,033 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.574773413897281 [2021-04-28 19:39:59,033 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 761 transitions. [2021-04-28 19:39:59,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 761 transitions. [2021-04-28 19:39:59,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:39:59,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 761 transitions. [2021-04-28 19:39:59,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 190.25) internal successors, (761), 4 states have internal predecessors, (761), 0 states have call successors, (0), 0 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 19:39:59,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 331.0) internal successors, (1655), 5 states have internal predecessors, (1655), 0 states have call successors, (0), 0 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 19:39:59,041 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 331.0) internal successors, (1655), 5 states have internal predecessors, (1655), 0 states have call successors, (0), 0 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 19:39:59,042 INFO L185 Difference]: Start difference. First operand has 47 places, 44 transitions, 184 flow. Second operand 4 states and 761 transitions. [2021-04-28 19:39:59,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 50 transitions, 267 flow [2021-04-28 19:39:59,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 50 transitions, 265 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-04-28 19:39:59,046 INFO L241 Difference]: Finished difference. Result has 51 places, 47 transitions, 237 flow [2021-04-28 19:39:59,046 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=237, PETRI_PLACES=51, PETRI_TRANSITIONS=47} [2021-04-28 19:39:59,047 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -80 predicate places. [2021-04-28 19:39:59,047 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:39:59,047 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 47 transitions, 237 flow [2021-04-28 19:39:59,047 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 47 transitions, 237 flow [2021-04-28 19:39:59,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 47 transitions, 237 flow [2021-04-28 19:39:59,092 INFO L129 PetriNetUnfolder]: 65/216 cut-off events. [2021-04-28 19:39:59,092 INFO L130 PetriNetUnfolder]: For 359/429 co-relation queries the response was YES. [2021-04-28 19:39:59,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 571 conditions, 216 events. 65/216 cut-off events. For 359/429 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1192 event pairs, 7 based on Foata normal form. 2/155 useless extension candidates. Maximal degree in co-relation 555. Up to 74 conditions per place. [2021-04-28 19:39:59,097 INFO L146 LiptonReduction]: Number of co-enabled transitions 730 [2021-04-28 19:39:59,139 INFO L158 LiptonReduction]: Checked pairs total: 521 [2021-04-28 19:39:59,139 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:39:59,139 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 92 [2021-04-28 19:39:59,141 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 47 transitions, 237 flow [2021-04-28 19:39:59,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 186.8) internal successors, (934), 5 states have internal predecessors, (934), 0 states have call successors, (0), 0 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 19:39:59,142 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:39:59,142 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:39:59,142 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 19:39:59,142 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:39:59,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:39:59,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1796877005, now seen corresponding path program 1 times [2021-04-28 19:39:59,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:39:59,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135672654] [2021-04-28 19:39:59,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:39:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:39:59,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:39:59,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 19:39:59,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:39:59,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:39:59,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:39:59,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 19:39:59,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:39:59,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 19:39:59,337 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 19:39:59,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135672654] [2021-04-28 19:39:59,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:39:59,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 19:39:59,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768261432] [2021-04-28 19:39:59,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 19:39:59,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:39:59,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 19:39:59,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 19:39:59,341 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 331 [2021-04-28 19:39:59,343 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 47 transitions, 237 flow. Second operand has 6 states, 6 states have (on average 187.83333333333334) internal successors, (1127), 6 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 19:39:59,343 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:39:59,343 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 331 [2021-04-28 19:39:59,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:39:59,640 INFO L129 PetriNetUnfolder]: 88/225 cut-off events. [2021-04-28 19:39:59,640 INFO L130 PetriNetUnfolder]: For 522/934 co-relation queries the response was YES. [2021-04-28 19:39:59,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 739 conditions, 225 events. 88/225 cut-off events. For 522/934 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1119 event pairs, 15 based on Foata normal form. 26/210 useless extension candidates. Maximal degree in co-relation 721. Up to 93 conditions per place. [2021-04-28 19:39:59,646 INFO L132 encePairwiseOnDemand]: 323/331 looper letters, 16 selfloop transitions, 24 changer transitions 0/62 dead transitions. [2021-04-28 19:39:59,646 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 62 transitions, 392 flow [2021-04-28 19:39:59,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 19:39:59,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 19:39:59,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 959 transitions. [2021-04-28 19:39:59,653 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5794561933534743 [2021-04-28 19:39:59,653 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 959 transitions. [2021-04-28 19:39:59,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 959 transitions. [2021-04-28 19:39:59,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:39:59,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 959 transitions. [2021-04-28 19:39:59,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 191.8) internal successors, (959), 5 states have internal predecessors, (959), 0 states have call successors, (0), 0 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 19:39:59,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 331.0) internal successors, (1986), 6 states have internal predecessors, (1986), 0 states have call successors, (0), 0 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 19:39:59,663 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 331.0) internal successors, (1986), 6 states have internal predecessors, (1986), 0 states have call successors, (0), 0 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 19:39:59,663 INFO L185 Difference]: Start difference. First operand has 51 places, 47 transitions, 237 flow. Second operand 5 states and 959 transitions. [2021-04-28 19:39:59,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 62 transitions, 392 flow [2021-04-28 19:39:59,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 62 transitions, 371 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-04-28 19:39:59,669 INFO L241 Difference]: Finished difference. Result has 56 places, 58 transitions, 378 flow [2021-04-28 19:39:59,670 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=378, PETRI_PLACES=56, PETRI_TRANSITIONS=58} [2021-04-28 19:39:59,670 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -75 predicate places. [2021-04-28 19:39:59,670 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:39:59,670 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 58 transitions, 378 flow [2021-04-28 19:39:59,671 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 58 transitions, 378 flow [2021-04-28 19:39:59,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 58 transitions, 378 flow [2021-04-28 19:39:59,722 INFO L129 PetriNetUnfolder]: 73/232 cut-off events. [2021-04-28 19:39:59,722 INFO L130 PetriNetUnfolder]: For 527/678 co-relation queries the response was YES. [2021-04-28 19:39:59,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 757 conditions, 232 events. 73/232 cut-off events. For 527/678 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1348 event pairs, 4 based on Foata normal form. 7/178 useless extension candidates. Maximal degree in co-relation 738. Up to 77 conditions per place. [2021-04-28 19:39:59,729 INFO L146 LiptonReduction]: Number of co-enabled transitions 846 [2021-04-28 19:39:59,803 INFO L158 LiptonReduction]: Checked pairs total: 753 [2021-04-28 19:39:59,803 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:39:59,803 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 133 [2021-04-28 19:39:59,805 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 58 transitions, 378 flow [2021-04-28 19:39:59,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 187.83333333333334) internal successors, (1127), 6 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 19:39:59,806 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:39:59,807 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:39:59,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 19:39:59,807 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:39:59,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:39:59,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1215174775, now seen corresponding path program 1 times [2021-04-28 19:39:59,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:39:59,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881557460] [2021-04-28 19:39:59,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:39:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:39:59,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:39:59,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:39:59,902 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:39:59,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:39:59,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:39:59,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:39:59,928 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 19:39:59,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881557460] [2021-04-28 19:39:59,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:39:59,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:39:59,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680539362] [2021-04-28 19:39:59,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:39:59,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:39:59,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:39:59,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:39:59,931 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 331 [2021-04-28 19:39:59,933 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 58 transitions, 378 flow. Second operand has 4 states, 4 states have (on average 229.75) internal successors, (919), 4 states have internal predecessors, (919), 0 states have call successors, (0), 0 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 19:39:59,933 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:39:59,933 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 331 [2021-04-28 19:39:59,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:40:00,364 INFO L129 PetriNetUnfolder]: 835/1567 cut-off events. [2021-04-28 19:40:00,365 INFO L130 PetriNetUnfolder]: For 2808/3098 co-relation queries the response was YES. [2021-04-28 19:40:00,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4428 conditions, 1567 events. 835/1567 cut-off events. For 2808/3098 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 11418 event pairs, 328 based on Foata normal form. 153/972 useless extension candidates. Maximal degree in co-relation 4407. Up to 1012 conditions per place. [2021-04-28 19:40:00,390 INFO L132 encePairwiseOnDemand]: 319/331 looper letters, 21 selfloop transitions, 20 changer transitions 0/80 dead transitions. [2021-04-28 19:40:00,390 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 80 transitions, 464 flow [2021-04-28 19:40:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 19:40:00,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 19:40:00,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1187 transitions. [2021-04-28 19:40:00,397 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7172205438066466 [2021-04-28 19:40:00,398 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1187 transitions. [2021-04-28 19:40:00,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1187 transitions. [2021-04-28 19:40:00,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:40:00,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1187 transitions. [2021-04-28 19:40:00,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 237.4) internal successors, (1187), 5 states have internal predecessors, (1187), 0 states have call successors, (0), 0 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 19:40:00,407 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 331.0) internal successors, (1986), 6 states have internal predecessors, (1986), 0 states have call successors, (0), 0 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 19:40:00,408 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 331.0) internal successors, (1986), 6 states have internal predecessors, (1986), 0 states have call successors, (0), 0 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 19:40:00,409 INFO L185 Difference]: Start difference. First operand has 56 places, 58 transitions, 378 flow. Second operand 5 states and 1187 transitions. [2021-04-28 19:40:00,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 80 transitions, 464 flow [2021-04-28 19:40:00,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 80 transitions, 450 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-04-28 19:40:00,421 INFO L241 Difference]: Finished difference. Result has 62 places, 71 transitions, 466 flow [2021-04-28 19:40:00,421 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=466, PETRI_PLACES=62, PETRI_TRANSITIONS=71} [2021-04-28 19:40:00,422 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -69 predicate places. [2021-04-28 19:40:00,422 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:40:00,422 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 71 transitions, 466 flow [2021-04-28 19:40:00,422 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 71 transitions, 466 flow [2021-04-28 19:40:00,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 71 transitions, 466 flow [2021-04-28 19:40:00,720 INFO L129 PetriNetUnfolder]: 826/1520 cut-off events. [2021-04-28 19:40:00,721 INFO L130 PetriNetUnfolder]: For 2766/3026 co-relation queries the response was YES. [2021-04-28 19:40:00,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5329 conditions, 1520 events. 826/1520 cut-off events. For 2766/3026 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 10456 event pairs, 314 based on Foata normal form. 25/836 useless extension candidates. Maximal degree in co-relation 5306. Up to 1069 conditions per place. [2021-04-28 19:40:00,753 INFO L146 LiptonReduction]: Number of co-enabled transitions 1062 [2021-04-28 19:40:00,770 INFO L158 LiptonReduction]: Checked pairs total: 708 [2021-04-28 19:40:00,770 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:40:00,771 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 349 [2021-04-28 19:40:00,772 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 71 transitions, 466 flow [2021-04-28 19:40:00,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 229.75) internal successors, (919), 4 states have internal predecessors, (919), 0 states have call successors, (0), 0 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 19:40:00,773 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:40:00,773 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:40:00,773 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 19:40:00,774 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:40:00,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:40:00,774 INFO L82 PathProgramCache]: Analyzing trace with hash 850695395, now seen corresponding path program 1 times [2021-04-28 19:40:00,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:40:00,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634446733] [2021-04-28 19:40:00,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:40:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:40:00,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:40:00,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:40:00,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:40:00,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:40:00,950 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:40:00,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:40:00,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:40:00,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:40:00,976 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 19:40:00,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634446733] [2021-04-28 19:40:00,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:40:00,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 19:40:00,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871326155] [2021-04-28 19:40:00,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 19:40:00,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:40:00,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 19:40:00,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 19:40:00,980 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 331 [2021-04-28 19:40:00,981 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 71 transitions, 466 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 19:40:00,981 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:40:00,981 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 331 [2021-04-28 19:40:00,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:40:01,491 INFO L129 PetriNetUnfolder]: 580/1288 cut-off events. [2021-04-28 19:40:01,491 INFO L130 PetriNetUnfolder]: For 3040/3856 co-relation queries the response was YES. [2021-04-28 19:40:01,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5429 conditions, 1288 events. 580/1288 cut-off events. For 3040/3856 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 9903 event pairs, 73 based on Foata normal form. 221/859 useless extension candidates. Maximal degree in co-relation 5404. Up to 986 conditions per place. [2021-04-28 19:40:01,513 INFO L132 encePairwiseOnDemand]: 319/331 looper letters, 11 selfloop transitions, 39 changer transitions 9/96 dead transitions. [2021-04-28 19:40:01,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 96 transitions, 722 flow [2021-04-28 19:40:01,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 19:40:01,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 19:40:01,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1664 transitions. [2021-04-28 19:40:01,522 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7181700474751834 [2021-04-28 19:40:01,522 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1664 transitions. [2021-04-28 19:40:01,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1664 transitions. [2021-04-28 19:40:01,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:40:01,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1664 transitions. [2021-04-28 19:40:01,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 237.71428571428572) internal successors, (1664), 7 states have internal predecessors, (1664), 0 states have call successors, (0), 0 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 19:40:01,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 0 states have call successors, (0), 0 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 19:40:01,536 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 0 states have call successors, (0), 0 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 19:40:01,536 INFO L185 Difference]: Start difference. First operand has 62 places, 71 transitions, 466 flow. Second operand 7 states and 1664 transitions. [2021-04-28 19:40:01,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 96 transitions, 722 flow [2021-04-28 19:40:01,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 96 transitions, 712 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 19:40:01,553 INFO L241 Difference]: Finished difference. Result has 70 places, 87 transitions, 689 flow [2021-04-28 19:40:01,554 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=689, PETRI_PLACES=70, PETRI_TRANSITIONS=87} [2021-04-28 19:40:01,554 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -61 predicate places. [2021-04-28 19:40:01,554 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:40:01,554 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 87 transitions, 689 flow [2021-04-28 19:40:01,555 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 87 transitions, 689 flow [2021-04-28 19:40:01,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 87 transitions, 689 flow [2021-04-28 19:40:01,779 INFO L129 PetriNetUnfolder]: 472/1125 cut-off events. [2021-04-28 19:40:01,779 INFO L130 PetriNetUnfolder]: For 3813/4322 co-relation queries the response was YES. [2021-04-28 19:40:01,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5349 conditions, 1125 events. 472/1125 cut-off events. For 3813/4322 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 8803 event pairs, 82 based on Foata normal form. 18/631 useless extension candidates. Maximal degree in co-relation 5322. Up to 797 conditions per place. [2021-04-28 19:40:01,807 INFO L146 LiptonReduction]: Number of co-enabled transitions 1230 [2021-04-28 19:40:01,817 INFO L158 LiptonReduction]: Checked pairs total: 834 [2021-04-28 19:40:01,818 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:40:01,818 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 264 [2021-04-28 19:40:01,820 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 87 transitions, 689 flow [2021-04-28 19:40:01,821 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 19:40:01,822 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:40:01,822 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:40:01,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 19:40:01,822 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:40:01,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:40:01,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1256674669, now seen corresponding path program 1 times [2021-04-28 19:40:01,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:40:01,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358837048] [2021-04-28 19:40:01,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:40:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:40:01,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:40:01,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:40:01,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:40:01,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:40:02,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:40:02,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:40:02,018 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:40:02,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:40:02,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:40:02,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:40:02,052 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 19:40:02,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358837048] [2021-04-28 19:40:02,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:40:02,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 19:40:02,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332783753] [2021-04-28 19:40:02,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 19:40:02,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:40:02,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 19:40:02,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 19:40:02,056 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 331 [2021-04-28 19:40:02,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 87 transitions, 689 flow. Second operand has 6 states, 6 states have (on average 229.83333333333334) internal successors, (1379), 6 states have internal predecessors, (1379), 0 states have call successors, (0), 0 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 19:40:02,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:40:02,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 331 [2021-04-28 19:40:02,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:40:02,651 INFO L129 PetriNetUnfolder]: 319/874 cut-off events. [2021-04-28 19:40:02,651 INFO L130 PetriNetUnfolder]: For 3431/5018 co-relation queries the response was YES. [2021-04-28 19:40:02,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4705 conditions, 874 events. 319/874 cut-off events. For 3431/5018 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 6920 event pairs, 1 based on Foata normal form. 172/585 useless extension candidates. Maximal degree in co-relation 4676. Up to 716 conditions per place. [2021-04-28 19:40:02,665 INFO L132 encePairwiseOnDemand]: 319/331 looper letters, 2 selfloop transitions, 49 changer transitions 9/97 dead transitions. [2021-04-28 19:40:02,665 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 97 transitions, 887 flow [2021-04-28 19:40:02,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 19:40:02,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 19:40:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2123 transitions. [2021-04-28 19:40:02,675 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.712655253440752 [2021-04-28 19:40:02,676 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2123 transitions. [2021-04-28 19:40:02,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2123 transitions. [2021-04-28 19:40:02,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:40:02,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2123 transitions. [2021-04-28 19:40:02,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 235.88888888888889) internal successors, (2123), 9 states have internal predecessors, (2123), 0 states have call successors, (0), 0 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 19:40:02,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 331.0) internal successors, (3310), 10 states have internal predecessors, (3310), 0 states have call successors, (0), 0 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 19:40:02,695 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 331.0) internal successors, (3310), 10 states have internal predecessors, (3310), 0 states have call successors, (0), 0 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 19:40:02,695 INFO L185 Difference]: Start difference. First operand has 70 places, 87 transitions, 689 flow. Second operand 9 states and 2123 transitions. [2021-04-28 19:40:02,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 97 transitions, 887 flow [2021-04-28 19:40:02,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 97 transitions, 768 flow, removed 44 selfloop flow, removed 4 redundant places. [2021-04-28 19:40:02,748 INFO L241 Difference]: Finished difference. Result has 77 places, 88 transitions, 709 flow [2021-04-28 19:40:02,749 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=709, PETRI_PLACES=77, PETRI_TRANSITIONS=88} [2021-04-28 19:40:02,749 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -54 predicate places. [2021-04-28 19:40:02,749 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:40:02,749 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 88 transitions, 709 flow [2021-04-28 19:40:02,750 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 88 transitions, 709 flow [2021-04-28 19:40:02,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 88 transitions, 709 flow [2021-04-28 19:40:02,885 INFO L129 PetriNetUnfolder]: 265/792 cut-off events. [2021-04-28 19:40:02,885 INFO L130 PetriNetUnfolder]: For 1813/2028 co-relation queries the response was YES. [2021-04-28 19:40:02,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3474 conditions, 792 events. 265/792 cut-off events. For 1813/2028 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 6310 event pairs, 0 based on Foata normal form. 6/403 useless extension candidates. Maximal degree in co-relation 3445. Up to 315 conditions per place. [2021-04-28 19:40:02,902 INFO L146 LiptonReduction]: Number of co-enabled transitions 1180 [2021-04-28 19:40:03,001 INFO L158 LiptonReduction]: Checked pairs total: 890 [2021-04-28 19:40:03,001 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:40:03,001 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 252 [2021-04-28 19:40:03,003 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 88 transitions, 709 flow [2021-04-28 19:40:03,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 229.83333333333334) internal successors, (1379), 6 states have internal predecessors, (1379), 0 states have call successors, (0), 0 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 19:40:03,006 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:40:03,006 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 19:40:03,006 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 19:40:03,006 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:40:03,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:40:03,007 INFO L82 PathProgramCache]: Analyzing trace with hash -347088680, now seen corresponding path program 1 times [2021-04-28 19:40:03,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:40:03,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862819547] [2021-04-28 19:40:03,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:40:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:40:03,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:40:03,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:40:03,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:40:03,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:40:03,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:40:03,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:40:03,141 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 19:40:03,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862819547] [2021-04-28 19:40:03,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:40:03,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:40:03,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989103816] [2021-04-28 19:40:03,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:40:03,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:40:03,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:40:03,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:40:03,145 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 331 [2021-04-28 19:40:03,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 88 transitions, 709 flow. Second operand has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 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 19:40:03,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:40:03,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 331 [2021-04-28 19:40:03,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:40:03,450 INFO L129 PetriNetUnfolder]: 530/1536 cut-off events. [2021-04-28 19:40:03,450 INFO L130 PetriNetUnfolder]: For 3494/3931 co-relation queries the response was YES. [2021-04-28 19:40:03,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6860 conditions, 1536 events. 530/1536 cut-off events. For 3494/3931 co-relation queries the response was YES. Maximal size of possible extension queue 396. Compared 14149 event pairs, 2 based on Foata normal form. 36/782 useless extension candidates. Maximal degree in co-relation 6829. Up to 630 conditions per place. [2021-04-28 19:40:03,475 INFO L132 encePairwiseOnDemand]: 328/331 looper letters, 3 selfloop transitions, 1 changer transitions 1/89 dead transitions. [2021-04-28 19:40:03,476 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 89 transitions, 721 flow [2021-04-28 19:40:03,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:40:03,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:40:03,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 878 transitions. [2021-04-28 19:40:03,482 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6631419939577039 [2021-04-28 19:40:03,482 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 878 transitions. [2021-04-28 19:40:03,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 878 transitions. [2021-04-28 19:40:03,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:40:03,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 878 transitions. [2021-04-28 19:40:03,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 219.5) internal successors, (878), 4 states have internal predecessors, (878), 0 states have call successors, (0), 0 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 19:40:03,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 331.0) internal successors, (1655), 5 states have internal predecessors, (1655), 0 states have call successors, (0), 0 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 19:40:03,490 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 331.0) internal successors, (1655), 5 states have internal predecessors, (1655), 0 states have call successors, (0), 0 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 19:40:03,490 INFO L185 Difference]: Start difference. First operand has 76 places, 88 transitions, 709 flow. Second operand 4 states and 878 transitions. [2021-04-28 19:40:03,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 89 transitions, 721 flow [2021-04-28 19:40:03,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 89 transitions, 571 flow, removed 31 selfloop flow, removed 8 redundant places. [2021-04-28 19:40:03,746 INFO L241 Difference]: Finished difference. Result has 73 places, 88 transitions, 566 flow [2021-04-28 19:40:03,747 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=559, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=566, PETRI_PLACES=73, PETRI_TRANSITIONS=88} [2021-04-28 19:40:03,747 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -58 predicate places. [2021-04-28 19:40:03,747 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:40:03,748 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 88 transitions, 566 flow [2021-04-28 19:40:03,748 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 88 transitions, 566 flow [2021-04-28 19:40:03,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 88 transitions, 566 flow [2021-04-28 19:40:03,884 INFO L129 PetriNetUnfolder]: 297/907 cut-off events. [2021-04-28 19:40:03,885 INFO L130 PetriNetUnfolder]: For 1019/1040 co-relation queries the response was YES. [2021-04-28 19:40:03,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3146 conditions, 907 events. 297/907 cut-off events. For 1019/1040 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 7719 event pairs, 1 based on Foata normal form. 10/481 useless extension candidates. Maximal degree in co-relation 3119. Up to 360 conditions per place. [2021-04-28 19:40:03,906 INFO L146 LiptonReduction]: Number of co-enabled transitions 1116 [2021-04-28 19:40:04,685 INFO L158 LiptonReduction]: Checked pairs total: 941 [2021-04-28 19:40:04,685 INFO L160 LiptonReduction]: Total number of compositions: 5 [2021-04-28 19:40:04,685 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 938 [2021-04-28 19:40:04,687 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 88 transitions, 581 flow [2021-04-28 19:40:04,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 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 19:40:04,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:40:04,688 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 19:40:04,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 19:40:04,688 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:40:04,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:40:04,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1143627558, now seen corresponding path program 1 times [2021-04-28 19:40:04,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:40:04,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952278081] [2021-04-28 19:40:04,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:40:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:40:04,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:40:04,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:40:04,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:40:04,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:40:04,768 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 19:40:04,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952278081] [2021-04-28 19:40:04,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:40:04,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 19:40:04,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930756330] [2021-04-28 19:40:04,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:40:04,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:40:04,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:40:04,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:40:04,771 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 336 [2021-04-28 19:40:04,772 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 88 transitions, 581 flow. Second operand has 3 states, 3 states have (on average 270.6666666666667) internal successors, (812), 3 states have internal predecessors, (812), 0 states have call successors, (0), 0 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 19:40:04,773 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:40:04,773 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 336 [2021-04-28 19:40:04,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:40:05,052 INFO L129 PetriNetUnfolder]: 587/1732 cut-off events. [2021-04-28 19:40:05,053 INFO L130 PetriNetUnfolder]: For 2036/2074 co-relation queries the response was YES. [2021-04-28 19:40:05,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6075 conditions, 1732 events. 587/1732 cut-off events. For 2036/2074 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 16271 event pairs, 2 based on Foata normal form. 39/873 useless extension candidates. Maximal degree in co-relation 6046. Up to 720 conditions per place. [2021-04-28 19:40:05,073 INFO L132 encePairwiseOnDemand]: 333/336 looper letters, 3 selfloop transitions, 2 changer transitions 16/90 dead transitions. [2021-04-28 19:40:05,073 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 90 transitions, 599 flow [2021-04-28 19:40:05,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:40:05,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:40:05,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 815 transitions. [2021-04-28 19:40:05,079 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.808531746031746 [2021-04-28 19:40:05,079 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 815 transitions. [2021-04-28 19:40:05,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 815 transitions. [2021-04-28 19:40:05,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:40:05,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 815 transitions. [2021-04-28 19:40:05,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 271.6666666666667) internal successors, (815), 3 states have internal predecessors, (815), 0 states have call successors, (0), 0 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 19:40:05,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 336.0) internal successors, (1344), 4 states have internal predecessors, (1344), 0 states have call successors, (0), 0 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 19:40:05,087 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 336.0) internal successors, (1344), 4 states have internal predecessors, (1344), 0 states have call successors, (0), 0 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 19:40:05,087 INFO L185 Difference]: Start difference. First operand has 72 places, 88 transitions, 581 flow. Second operand 3 states and 815 transitions. [2021-04-28 19:40:05,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 90 transitions, 599 flow [2021-04-28 19:40:05,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 90 transitions, 591 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 19:40:05,204 INFO L241 Difference]: Finished difference. Result has 73 places, 74 transitions, 465 flow [2021-04-28 19:40:05,204 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=573, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=465, PETRI_PLACES=73, PETRI_TRANSITIONS=74} [2021-04-28 19:40:05,205 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -58 predicate places. [2021-04-28 19:40:05,205 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:40:05,205 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 74 transitions, 465 flow [2021-04-28 19:40:05,205 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 74 transitions, 465 flow [2021-04-28 19:40:05,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 74 transitions, 465 flow [2021-04-28 19:40:05,296 INFO L129 PetriNetUnfolder]: 254/761 cut-off events. [2021-04-28 19:40:05,297 INFO L130 PetriNetUnfolder]: For 851/857 co-relation queries the response was YES. [2021-04-28 19:40:05,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2643 conditions, 761 events. 254/761 cut-off events. For 851/857 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 6295 event pairs, 1 based on Foata normal form. 3/391 useless extension candidates. Maximal degree in co-relation 2616. Up to 315 conditions per place. [2021-04-28 19:40:05,312 INFO L146 LiptonReduction]: Number of co-enabled transitions 646 [2021-04-28 19:40:05,450 INFO L158 LiptonReduction]: Checked pairs total: 36 [2021-04-28 19:40:05,450 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 19:40:05,451 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 246 [2021-04-28 19:40:05,453 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 74 transitions, 465 flow [2021-04-28 19:40:05,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 270.6666666666667) internal successors, (812), 3 states have internal predecessors, (812), 0 states have call successors, (0), 0 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 19:40:05,454 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:40:05,454 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] [2021-04-28 19:40:05,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 19:40:05,454 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:40:05,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:40:05,455 INFO L82 PathProgramCache]: Analyzing trace with hash -2022786843, now seen corresponding path program 1 times [2021-04-28 19:40:05,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:40:05,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052188158] [2021-04-28 19:40:05,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:40:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 19:40:05,517 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 19:40:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 19:40:05,586 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 19:40:05,656 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 19:40:05,656 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 19:40:05,658 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 19:40:05,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 07:40:05 BasicIcfg [2021-04-28 19:40:05,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 19:40:05,832 INFO L168 Benchmark]: Toolchain (without parser) took 118133.07 ms. Allocated memory was 302.0 MB in the beginning and 671.1 MB in the end (delta: 369.1 MB). Free memory was 277.3 MB in the beginning and 446.8 MB in the end (delta: -169.5 MB). Peak memory consumption was 201.8 MB. Max. memory is 16.0 GB. [2021-04-28 19:40:05,833 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 271.8 MB in the end (delta: 153.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 19:40:05,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1043.22 ms. Allocated memory is still 302.0 MB. Free memory was 274.0 MB in the beginning and 277.3 MB in the end (delta: -3.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2021-04-28 19:40:05,833 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.34 ms. Allocated memory is still 302.0 MB. Free memory was 277.3 MB in the beginning and 274.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 19:40:05,834 INFO L168 Benchmark]: Boogie Preprocessor took 73.91 ms. Allocated memory is still 302.0 MB. Free memory was 274.2 MB in the beginning and 272.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 19:40:05,834 INFO L168 Benchmark]: RCFGBuilder took 2627.38 ms. Allocated memory was 302.0 MB in the beginning and 375.4 MB in the end (delta: 73.4 MB). Free memory was 272.1 MB in the beginning and 279.8 MB in the end (delta: -7.7 MB). Peak memory consumption was 154.8 MB. Max. memory is 16.0 GB. [2021-04-28 19:40:05,834 INFO L168 Benchmark]: TraceAbstraction took 114199.98 ms. Allocated memory was 375.4 MB in the beginning and 671.1 MB in the end (delta: 295.7 MB). Free memory was 279.8 MB in the beginning and 446.8 MB in the end (delta: -167.0 MB). Peak memory consumption was 128.7 MB. Max. memory is 16.0 GB. [2021-04-28 19:40:05,836 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 271.8 MB in the end (delta: 153.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1043.22 ms. Allocated memory is still 302.0 MB. Free memory was 274.0 MB in the beginning and 277.3 MB in the end (delta: -3.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 136.34 ms. Allocated memory is still 302.0 MB. Free memory was 277.3 MB in the beginning and 274.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 73.91 ms. Allocated memory is still 302.0 MB. Free memory was 274.2 MB in the beginning and 272.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2627.38 ms. Allocated memory was 302.0 MB in the beginning and 375.4 MB in the end (delta: 73.4 MB). Free memory was 272.1 MB in the beginning and 279.8 MB in the end (delta: -7.7 MB). Peak memory consumption was 154.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 114199.98 ms. Allocated memory was 375.4 MB in the beginning and 671.1 MB in the end (delta: 295.7 MB). Free memory was 279.8 MB in the beginning and 446.8 MB in the end (delta: -167.0 MB). Peak memory consumption was 128.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 103368.2ms, 104 PlacesBefore, 131 PlacesAfterwards, 96 TransitionsBefore, 123 TransitionsAfterwards, 1770 CoEnabledTransitionPairs, 9 FixpointIterations, 151 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 232 TotalNumberOfCompositions, 17825 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4129, positive: 3824, positive conditional: 3824, positive unconditional: 0, negative: 305, negative conditional: 305, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1864, positive: 1803, positive conditional: 0, positive unconditional: 1803, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1864, positive: 1803, positive conditional: 0, positive unconditional: 1803, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1864, positive: 1769, positive conditional: 0, positive unconditional: 1769, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 95, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1350, positive: 144, positive conditional: 0, positive unconditional: 144, negative: 1206, negative conditional: 0, negative unconditional: 1206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4129, positive: 2021, positive conditional: 2021, positive unconditional: 0, negative: 244, negative conditional: 244, negative unconditional: 0, unknown: 1864, unknown conditional: 1864, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1864, Positive cache size: 1803, Positive conditional cache size: 1803, Positive unconditional cache size: 0, Negative cache size: 61, Negative conditional cache size: 61, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 568.2ms, 127 PlacesBefore, 51 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 990 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 978 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 156, positive: 122, positive conditional: 122, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 81, positive: 59, positive conditional: 6, positive unconditional: 53, negative: 22, negative conditional: 3, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 81, positive: 59, positive conditional: 6, positive unconditional: 53, negative: 22, negative conditional: 3, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 81, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 22, negative conditional: 3, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 547, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 547, negative conditional: 103, negative unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 156, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 81, unknown conditional: 81, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1945, Positive cache size: 1862, Positive conditional cache size: 1862, Positive unconditional cache size: 0, Negative cache size: 83, Negative conditional cache size: 83, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 182.8ms, 52 PlacesBefore, 40 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 500 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 631 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 176, positive: 143, positive conditional: 143, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66, positive: 62, positive conditional: 15, positive unconditional: 47, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 66, positive: 62, positive conditional: 15, positive unconditional: 47, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 66, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 169, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 74, negative conditional: 6, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 176, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 66, unknown conditional: 66, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2011, Positive cache size: 1924, Positive conditional cache size: 1924, Positive unconditional cache size: 0, Negative cache size: 87, Negative conditional cache size: 87, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 151.9ms, 41 PlacesBefore, 41 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 538 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 577 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 180, positive: 151, positive conditional: 151, 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: 36, positive: 33, positive conditional: 8, positive unconditional: 25, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 36, positive: 33, positive conditional: 8, positive unconditional: 25, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 36, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 111, negative conditional: 0, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 180, positive: 118, positive conditional: 118, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2047, Positive cache size: 1957, Positive conditional cache size: 1957, Positive unconditional cache size: 0, Negative cache size: 90, Negative conditional cache size: 90, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 79.4ms, 47 PlacesBefore, 47 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 407 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 80, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 0, positive unconditional: 15, 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: 40, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 80, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2063, Positive cache size: 1972, Positive conditional cache size: 1972, Positive unconditional cache size: 0, Negative cache size: 91, Negative conditional cache size: 91, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 91.7ms, 51 PlacesBefore, 51 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 730 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 521 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 182, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 16, positive conditional: 13, positive unconditional: 3, 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: 17, positive: 16, positive conditional: 13, positive unconditional: 3, 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: 17, positive: 16, positive conditional: 0, positive unconditional: 16, 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: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 182, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2080, Positive cache size: 1988, Positive conditional cache size: 1988, 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: 132.7ms, 56 PlacesBefore, 56 PlacesAfterwards, 58 TransitionsBefore, 58 TransitionsAfterwards, 846 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 753 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 249, positive: 226, positive conditional: 226, 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: 41, positive: 40, positive conditional: 33, 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: 41, positive: 40, positive conditional: 33, 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: 41, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 249, positive: 186, positive conditional: 186, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2121, Positive cache size: 2028, Positive conditional cache size: 2028, 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: 348.2ms, 62 PlacesBefore, 62 PlacesAfterwards, 71 TransitionsBefore, 71 TransitionsAfterwards, 1062 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 708 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 259, positive: 241, positive conditional: 241, positive unconditional: 0, negative: 18, negative conditional: 18, 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: 39, positive unconditional: 19, 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: 39, positive unconditional: 19, 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: 259, positive: 183, positive conditional: 183, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 58, unknown conditional: 58, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2179, Positive cache size: 2086, Positive conditional cache size: 2086, 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: 263.2ms, 70 PlacesBefore, 70 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 1230 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 834 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 311, positive: 293, positive conditional: 293, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 59, positive: 59, positive conditional: 57, positive unconditional: 2, 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: 59, positive: 59, positive conditional: 57, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 59, positive: 59, positive conditional: 0, positive unconditional: 59, 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: 311, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 59, unknown conditional: 59, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2238, Positive cache size: 2145, Positive conditional cache size: 2145, 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: 251.5ms, 77 PlacesBefore, 76 PlacesAfterwards, 88 TransitionsBefore, 88 TransitionsAfterwards, 1180 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 890 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 406, positive: 386, positive conditional: 386, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 118, positive: 117, positive conditional: 112, positive unconditional: 5, 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: 118, positive: 117, positive conditional: 112, positive unconditional: 5, 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: 118, positive: 117, positive conditional: 0, positive unconditional: 117, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 406, positive: 269, positive conditional: 269, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 118, unknown conditional: 118, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2356, Positive cache size: 2262, Positive conditional cache size: 2262, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 937.2ms, 73 PlacesBefore, 72 PlacesAfterwards, 88 TransitionsBefore, 88 TransitionsAfterwards, 1116 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 941 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 421, positive: 405, positive conditional: 405, 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: 94, positive: 94, positive conditional: 79, 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: 94, positive: 94, positive conditional: 79, 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: 94, positive: 94, positive conditional: 0, positive unconditional: 94, 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: 421, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 94, unknown conditional: 94, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2450, Positive cache size: 2356, Positive conditional cache size: 2356, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 245.3ms, 73 PlacesBefore, 71 PlacesAfterwards, 74 TransitionsBefore, 74 TransitionsAfterwards, 646 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 36 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 36, positive conditional: 36, 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: 20, positive: 20, positive conditional: 16, positive unconditional: 4, 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: 16, positive unconditional: 4, 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: 36, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2470, Positive cache size: 2376, Positive conditional cache size: 2376, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, 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: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L713] 0 int __unbuffered_p2_EBX = 0; [L714] 0 _Bool main$tmp_guard0; [L715] 0 _Bool main$tmp_guard1; [L717] 0 int x = 0; [L718] 0 _Bool x$flush_delayed; [L719] 0 int x$mem_tmp; [L720] 0 _Bool x$r_buff0_thd0; [L721] 0 _Bool x$r_buff0_thd1; [L722] 0 _Bool x$r_buff0_thd2; [L723] 0 _Bool x$r_buff0_thd3; [L724] 0 _Bool x$r_buff1_thd0; [L725] 0 _Bool x$r_buff1_thd1; [L726] 0 _Bool x$r_buff1_thd2; [L727] 0 _Bool x$r_buff1_thd3; [L728] 0 _Bool x$read_delayed; [L729] 0 int *x$read_delayed_var; [L730] 0 int x$w_buff0; [L731] 0 _Bool x$w_buff0_used; [L732] 0 int x$w_buff1; [L733] 0 _Bool x$w_buff1_used; [L735] 0 int y = 0; [L737] 0 int z = 0; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L823] 0 pthread_t t760; [L824] FCALL, FORK 0 pthread_create(&t760, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L825] 0 pthread_t t761; [L826] FCALL, FORK 0 pthread_create(&t761, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L827] 0 pthread_t t762; [L828] FCALL, FORK 0 pthread_create(&t762, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L763] 2 x$w_buff1 = x$w_buff0 [L764] 2 x$w_buff0 = 2 [L765] 2 x$w_buff1_used = x$w_buff0_used [L766] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L768] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L769] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L770] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L771] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L772] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L775] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L792] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=0] [L795] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=0] [L798] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=0] [L743] 1 z = 1 [L746] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] [L749] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L749] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L749] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L749] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L750] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L750] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L751] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L751] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L752] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L752] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L753] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L753] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L758] 1 return 0; [L778] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L778] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L779] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L779] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L780] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L780] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L781] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L781] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L782] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L782] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L785] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L787] 2 return 0; [L801] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L801] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L801] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L801] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L802] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L802] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L803] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L803] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L804] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L804] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L805] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L805] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L808] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L810] 3 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] [L830] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L834] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L834] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L834] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L834] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L835] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L835] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L836] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L836] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L837] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L837] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L838] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L838] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L841] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L842] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L843] 0 x$flush_delayed = weak$$choice2 [L844] 0 x$mem_tmp = x [L845] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L845] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L846] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L846] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L847] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L847] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L848] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L848] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L849] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L849] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L850] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L850] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L851] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L851] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L852] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L853] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L853] 0 x = x$flush_delayed ? x$mem_tmp : x [L854] 0 x$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 98 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 15.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 113873.0ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 4581.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 103501.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 53 SDtfs, 29 SDslu, 10 SDs, 0 SdLazy, 372 SolverSat, 144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 922.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 802.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=709occurred in iteration=9, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 51.6ms SsaConstructionTime, 570.2ms SatisfiabilityAnalysisTime, 1448.6ms InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 804 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...