/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix057_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 14:39:06,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 14:39:06,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 14:39:06,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 14:39:06,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 14:39:06,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 14:39:06,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 14:39:06,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 14:39:06,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 14:39:06,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 14:39:06,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 14:39:06,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 14:39:06,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 14:39:06,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 14:39:06,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 14:39:06,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 14:39:06,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 14:39:06,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 14:39:06,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 14:39:06,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 14:39:06,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 14:39:06,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 14:39:06,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 14:39:06,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 14:39:06,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 14:39:06,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 14:39:06,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 14:39:06,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 14:39:06,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 14:39:06,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 14:39:06,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 14:39:06,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 14:39:06,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 14:39:06,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 14:39:06,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 14:39:06,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 14:39:06,959 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-RepeatedSemanticLbe.epf [2021-03-25 14:39:06,993 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 14:39:06,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 14:39:06,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 14:39:06,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 14:39:06,997 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 14:39:06,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 14:39:06,998 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 14:39:06,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 14:39:06,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 14:39:06,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 14:39:06,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 14:39:06,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 14:39:06,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 14:39:06,999 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 14:39:06,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 14:39:06,999 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 14:39:07,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 14:39:07,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 14:39:07,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 14:39:07,000 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 14:39:07,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 14:39:07,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:39:07,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 14:39:07,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 14:39:07,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 14:39:07,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 14:39:07,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 14:39:07,001 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 14:39:07,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 14:39:07,001 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 14:39:07,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 14:39:07,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 14:39:07,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 14:39:07,337 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 14:39:07,337 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 14:39:07,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix057_power.opt.i [2021-03-25 14:39:07,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6325635ec/83b7829373564663b92df36f0444d0ea/FLAGebfef0ab0 [2021-03-25 14:39:08,042 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 14:39:08,043 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix057_power.opt.i [2021-03-25 14:39:08,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6325635ec/83b7829373564663b92df36f0444d0ea/FLAGebfef0ab0 [2021-03-25 14:39:08,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6325635ec/83b7829373564663b92df36f0444d0ea [2021-03-25 14:39:08,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 14:39:08,349 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 14:39:08,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 14:39:08,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 14:39:08,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 14:39:08,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:39:08" (1/1) ... [2021-03-25 14:39:08,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9461f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:39:08, skipping insertion in model container [2021-03-25 14:39:08,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:39:08" (1/1) ... [2021-03-25 14:39:08,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 14:39:08,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 14:39:08,517 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/mix057_power.opt.i[950,963] [2021-03-25 14:39:08,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:39:08,698 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 14:39:08,707 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/mix057_power.opt.i[950,963] [2021-03-25 14:39:08,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:39:08,818 INFO L208 MainTranslator]: Completed translation [2021-03-25 14:39:08,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:39:08 WrapperNode [2021-03-25 14:39:08,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 14:39:08,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 14:39:08,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 14:39:08,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 14:39:08,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:39:08" (1/1) ... [2021-03-25 14:39:08,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:39:08" (1/1) ... [2021-03-25 14:39:08,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 14:39:08,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 14:39:08,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 14:39:08,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 14:39:08,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:39:08" (1/1) ... [2021-03-25 14:39:08,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:39:08" (1/1) ... [2021-03-25 14:39:08,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:39:08" (1/1) ... [2021-03-25 14:39:08,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:39:08" (1/1) ... [2021-03-25 14:39:08,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:39:08" (1/1) ... [2021-03-25 14:39:08,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:39:08" (1/1) ... [2021-03-25 14:39:08,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:39:08" (1/1) ... [2021-03-25 14:39:08,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 14:39:08,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 14:39:08,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 14:39:08,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 14:39:08,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:39:08" (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 [2021-03-25 14:39:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 14:39:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 14:39:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 14:39:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 14:39:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 14:39:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 14:39:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 14:39:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 14:39:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 14:39:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 14:39:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-25 14:39:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-25 14:39:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 14:39:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 14:39:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 14:39:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 14:39:08,980 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 14:39:10,699 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 14:39:10,700 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 14:39:10,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:39:10 BoogieIcfgContainer [2021-03-25 14:39:10,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 14:39:10,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 14:39:10,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 14:39:10,706 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 14:39:10,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 02:39:08" (1/3) ... [2021-03-25 14:39:10,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45dbdcbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:39:10, skipping insertion in model container [2021-03-25 14:39:10,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:39:08" (2/3) ... [2021-03-25 14:39:10,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45dbdcbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:39:10, skipping insertion in model container [2021-03-25 14:39:10,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:39:10" (3/3) ... [2021-03-25 14:39:10,708 INFO L111 eAbstractionObserver]: Analyzing ICFG mix057_power.opt.i [2021-03-25 14:39:10,713 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 14:39:10,717 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 14:39:10,718 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 14:39:10,756 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,756 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,756 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,756 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,757 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,757 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,757 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,757 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,757 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,757 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,758 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,758 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,758 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,759 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,759 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,759 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,761 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,761 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,762 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,762 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,765 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,766 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,766 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,766 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,766 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,766 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,766 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,766 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,766 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,767 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,767 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,767 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,767 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,767 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,767 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,768 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,768 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,768 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,768 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,768 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,769 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,769 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,769 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,770 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,770 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,770 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,770 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,771 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,771 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,771 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,772 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,772 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,773 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,773 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,774 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,775 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,777 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,801 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,804 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,804 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,805 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,805 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,805 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,805 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,805 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,805 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,805 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,806 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,806 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,806 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,807 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,807 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:39:10,808 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 14:39:10,825 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 14:39:10,843 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 14:39:10,844 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 14:39:10,844 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 14:39:10,844 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 14:39:10,844 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 14:39:10,844 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 14:39:10,844 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 14:39:10,844 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 14:39:10,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 244 flow [2021-03-25 14:39:10,889 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2021-03-25 14:39:10,889 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:39:10,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-03-25 14:39:10,893 INFO L82 GeneralOperation]: Start removeDead. Operand has 123 places, 112 transitions, 244 flow [2021-03-25 14:39:10,897 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 108 transitions, 228 flow [2021-03-25 14:39:10,898 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:10,908 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 108 transitions, 228 flow [2021-03-25 14:39:10,911 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 108 transitions, 228 flow [2021-03-25 14:39:10,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 108 transitions, 228 flow [2021-03-25 14:39:10,930 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2021-03-25 14:39:10,930 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:39:10,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-03-25 14:39:10,934 INFO L142 LiptonReduction]: Number of co-enabled transitions 2406 [2021-03-25 14:39:12,186 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-25 14:39:12,470 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-25 14:39:13,936 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-25 14:39:14,606 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-25 14:39:15,613 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 14:39:16,037 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 14:39:16,169 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-25 14:39:17,611 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-25 14:39:17,888 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-25 14:39:18,486 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-25 14:39:19,126 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-25 14:39:19,530 INFO L154 LiptonReduction]: Checked pairs total: 4010 [2021-03-25 14:39:19,531 INFO L156 LiptonReduction]: Total number of compositions: 75 [2021-03-25 14:39:19,533 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8635 [2021-03-25 14:39:19,541 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2021-03-25 14:39:19,541 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:39:19,542 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:19,542 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:39:19,542 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:19,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:19,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1880455195, now seen corresponding path program 1 times [2021-03-25 14:39:19,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:19,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650815629] [2021-03-25 14:39:19,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:39:19,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:19,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:39:19,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:19,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:39:19,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:39:19,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650815629] [2021-03-25 14:39:19,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:39:19,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:39:19,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988890112] [2021-03-25 14:39:19,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:39:19,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:39:19,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:39:19,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:39:19,879 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 187 [2021-03-25 14:39:19,884 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 42 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:19,884 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:39:19,885 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 187 [2021-03-25 14:39:19,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:39:19,967 INFO L129 PetriNetUnfolder]: 23/98 cut-off events. [2021-03-25 14:39:19,967 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:39:19,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 98 events. 23/98 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 340 event pairs, 3 based on Foata normal form. 6/97 useless extension candidates. Maximal degree in co-relation 140. Up to 37 conditions per place. [2021-03-25 14:39:19,970 INFO L132 encePairwiseOnDemand]: 183/187 looper letters, 7 selfloop transitions, 2 changer transitions 5/43 dead transitions. [2021-03-25 14:39:19,970 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 43 transitions, 120 flow [2021-03-25 14:39:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:39:19,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:39:19,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 506 transitions. [2021-03-25 14:39:19,985 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9019607843137255 [2021-03-25 14:39:19,985 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 506 transitions. [2021-03-25 14:39:19,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 506 transitions. [2021-03-25 14:39:19,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:39:19,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 506 transitions. [2021-03-25 14:39:19,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 168.66666666666666) internal successors, (506), 3 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:20,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:20,021 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:20,022 INFO L185 Difference]: Start difference. First operand has 54 places, 42 transitions, 96 flow. Second operand 3 states and 506 transitions. [2021-03-25 14:39:20,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 43 transitions, 120 flow [2021-03-25 14:39:20,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 43 transitions, 116 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 14:39:20,026 INFO L241 Difference]: Finished difference. Result has 50 places, 35 transitions, 82 flow [2021-03-25 14:39:20,031 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=50, PETRI_TRANSITIONS=35} [2021-03-25 14:39:20,031 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, -4 predicate places. [2021-03-25 14:39:20,032 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:20,032 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 35 transitions, 82 flow [2021-03-25 14:39:20,033 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 35 transitions, 82 flow [2021-03-25 14:39:20,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 35 transitions, 82 flow [2021-03-25 14:39:20,041 INFO L129 PetriNetUnfolder]: 0/35 cut-off events. [2021-03-25 14:39:20,041 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:39:20,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 35 events. 0/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 14:39:20,041 INFO L142 LiptonReduction]: Number of co-enabled transitions 362 [2021-03-25 14:39:20,374 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 14:39:20,516 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 14:39:21,281 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-25 14:39:21,625 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-25 14:39:22,216 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-25 14:39:22,839 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-25 14:39:23,493 INFO L154 LiptonReduction]: Checked pairs total: 1154 [2021-03-25 14:39:23,493 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-25 14:39:23,493 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3461 [2021-03-25 14:39:23,494 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 66 flow [2021-03-25 14:39:23,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:23,495 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:23,495 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] [2021-03-25 14:39:23,495 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 14:39:23,495 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:23,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:23,496 INFO L82 PathProgramCache]: Analyzing trace with hash 157805214, now seen corresponding path program 1 times [2021-03-25 14:39:23,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:23,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053129975] [2021-03-25 14:39:23,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:39:23,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:23,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:39:23,640 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 14:39:23,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 14:39:23,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:39:23,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053129975] [2021-03-25 14:39:23,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:39:23,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:39:23,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903118511] [2021-03-25 14:39:23,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:39:23,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:39:23,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:39:23,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:39:23,651 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 195 [2021-03-25 14:39:23,652 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 66 flow. Second operand has 4 states, 4 states have (on average 167.75) internal successors, (671), 4 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:23,652 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:39:23,652 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 195 [2021-03-25 14:39:23,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:39:23,674 INFO L129 PetriNetUnfolder]: 3/37 cut-off events. [2021-03-25 14:39:23,674 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:39:23,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 37 events. 3/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 69 event pairs, 1 based on Foata normal form. 1/36 useless extension candidates. Maximal degree in co-relation 49. Up to 10 conditions per place. [2021-03-25 14:39:23,676 INFO L132 encePairwiseOnDemand]: 191/195 looper letters, 3 selfloop transitions, 3 changer transitions 0/29 dead transitions. [2021-03-25 14:39:23,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 29 transitions, 82 flow [2021-03-25 14:39:23,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:39:23,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:39:23,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 508 transitions. [2021-03-25 14:39:23,680 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8683760683760684 [2021-03-25 14:39:23,680 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 508 transitions. [2021-03-25 14:39:23,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 508 transitions. [2021-03-25 14:39:23,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:39:23,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 508 transitions. [2021-03-25 14:39:23,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:23,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:23,684 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:23,685 INFO L185 Difference]: Start difference. First operand has 38 places, 27 transitions, 66 flow. Second operand 3 states and 508 transitions. [2021-03-25 14:39:23,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 29 transitions, 82 flow [2021-03-25 14:39:23,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 29 transitions, 78 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:39:23,686 INFO L241 Difference]: Finished difference. Result has 39 places, 29 transitions, 81 flow [2021-03-25 14:39:23,686 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=81, PETRI_PLACES=39, PETRI_TRANSITIONS=29} [2021-03-25 14:39:23,686 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, -15 predicate places. [2021-03-25 14:39:23,686 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:23,687 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 29 transitions, 81 flow [2021-03-25 14:39:23,687 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 29 transitions, 81 flow [2021-03-25 14:39:23,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 29 transitions, 81 flow [2021-03-25 14:39:23,692 INFO L129 PetriNetUnfolder]: 3/35 cut-off events. [2021-03-25 14:39:23,692 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:39:23,692 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 35 events. 3/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 59 event pairs, 1 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 48. Up to 10 conditions per place. [2021-03-25 14:39:23,693 INFO L142 LiptonReduction]: Number of co-enabled transitions 356 [2021-03-25 14:39:24,134 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-03-25 14:39:24,268 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-03-25 14:39:24,566 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-03-25 14:39:24,702 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-03-25 14:39:24,705 INFO L154 LiptonReduction]: Checked pairs total: 996 [2021-03-25 14:39:24,705 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:39:24,705 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1019 [2021-03-25 14:39:24,706 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 27 transitions, 77 flow [2021-03-25 14:39:24,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 167.75) internal successors, (671), 4 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:24,707 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:24,707 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:39:24,707 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 14:39:24,707 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:24,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:24,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1377057789, now seen corresponding path program 1 times [2021-03-25 14:39:24,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:24,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850364610] [2021-03-25 14:39:24,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:39:24,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:24,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:39:24,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:39:24,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850364610] [2021-03-25 14:39:24,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:39:24,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 14:39:24,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975839046] [2021-03-25 14:39:24,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:39:24,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:39:24,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:39:24,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:39:24,809 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 197 [2021-03-25 14:39:24,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 27 transitions, 77 flow. Second operand has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:24,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:39:24,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 197 [2021-03-25 14:39:24,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:39:24,831 INFO L129 PetriNetUnfolder]: 10/58 cut-off events. [2021-03-25 14:39:24,831 INFO L130 PetriNetUnfolder]: For 10/16 co-relation queries the response was YES. [2021-03-25 14:39:24,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 58 events. 10/58 cut-off events. For 10/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 174 event pairs, 3 based on Foata normal form. 1/53 useless extension candidates. Maximal degree in co-relation 96. Up to 19 conditions per place. [2021-03-25 14:39:24,833 INFO L132 encePairwiseOnDemand]: 193/197 looper letters, 3 selfloop transitions, 3 changer transitions 0/29 dead transitions. [2021-03-25 14:39:24,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 29 transitions, 93 flow [2021-03-25 14:39:24,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:39:24,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:39:24,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 523 transitions. [2021-03-25 14:39:24,835 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8849407783417935 [2021-03-25 14:39:24,835 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 523 transitions. [2021-03-25 14:39:24,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 523 transitions. [2021-03-25 14:39:24,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:39:24,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 523 transitions. [2021-03-25 14:39:24,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:24,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 197.0) internal successors, (788), 4 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:24,839 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 197.0) internal successors, (788), 4 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:24,839 INFO L185 Difference]: Start difference. First operand has 37 places, 27 transitions, 77 flow. Second operand 3 states and 523 transitions. [2021-03-25 14:39:24,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 29 transitions, 93 flow [2021-03-25 14:39:24,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 29 transitions, 90 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 14:39:24,840 INFO L241 Difference]: Finished difference. Result has 39 places, 29 transitions, 93 flow [2021-03-25 14:39:24,840 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=93, PETRI_PLACES=39, PETRI_TRANSITIONS=29} [2021-03-25 14:39:24,840 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, -15 predicate places. [2021-03-25 14:39:24,841 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:24,841 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 29 transitions, 93 flow [2021-03-25 14:39:24,842 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 29 transitions, 93 flow [2021-03-25 14:39:24,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 29 transitions, 93 flow [2021-03-25 14:39:24,848 INFO L129 PetriNetUnfolder]: 7/45 cut-off events. [2021-03-25 14:39:24,848 INFO L130 PetriNetUnfolder]: For 7/9 co-relation queries the response was YES. [2021-03-25 14:39:24,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 45 events. 7/45 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 123 event pairs, 3 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 78. Up to 15 conditions per place. [2021-03-25 14:39:24,851 INFO L142 LiptonReduction]: Number of co-enabled transitions 394 [2021-03-25 14:39:24,869 INFO L154 LiptonReduction]: Checked pairs total: 280 [2021-03-25 14:39:24,869 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:39:24,870 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-03-25 14:39:24,872 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 29 transitions, 93 flow [2021-03-25 14:39:24,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:24,873 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:24,873 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:39:24,873 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 14:39:24,873 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:24,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:24,875 INFO L82 PathProgramCache]: Analyzing trace with hash 370417324, now seen corresponding path program 1 times [2021-03-25 14:39:24,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:24,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640055281] [2021-03-25 14:39:24,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:39:24,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:24,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:39:24,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:24,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:39:24,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:39:24,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640055281] [2021-03-25 14:39:24,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:39:24,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:39:24,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849150000] [2021-03-25 14:39:24,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:39:24,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:39:24,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:39:24,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:39:24,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 197 [2021-03-25 14:39:24,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 29 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:24,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:39:24,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 197 [2021-03-25 14:39:24,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:39:24,977 INFO L129 PetriNetUnfolder]: 4/52 cut-off events. [2021-03-25 14:39:24,977 INFO L130 PetriNetUnfolder]: For 26/61 co-relation queries the response was YES. [2021-03-25 14:39:24,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 52 events. 4/52 cut-off events. For 26/61 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 179 event pairs, 1 based on Foata normal form. 4/52 useless extension candidates. Maximal degree in co-relation 99. Up to 15 conditions per place. [2021-03-25 14:39:24,978 INFO L132 encePairwiseOnDemand]: 194/197 looper letters, 3 selfloop transitions, 3 changer transitions 0/29 dead transitions. [2021-03-25 14:39:24,978 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 29 transitions, 105 flow [2021-03-25 14:39:24,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:39:24,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:39:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 522 transitions. [2021-03-25 14:39:24,986 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883248730964467 [2021-03-25 14:39:24,986 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 522 transitions. [2021-03-25 14:39:24,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 522 transitions. [2021-03-25 14:39:24,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:39:24,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 522 transitions. [2021-03-25 14:39:24,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:24,989 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 197.0) internal successors, (788), 4 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:24,990 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 197.0) internal successors, (788), 4 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:24,990 INFO L185 Difference]: Start difference. First operand has 39 places, 29 transitions, 93 flow. Second operand 3 states and 522 transitions. [2021-03-25 14:39:24,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 29 transitions, 105 flow [2021-03-25 14:39:24,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 29 transitions, 102 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 14:39:24,992 INFO L241 Difference]: Finished difference. Result has 41 places, 29 transitions, 101 flow [2021-03-25 14:39:24,992 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=101, PETRI_PLACES=41, PETRI_TRANSITIONS=29} [2021-03-25 14:39:24,992 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, -13 predicate places. [2021-03-25 14:39:24,992 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:24,992 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 29 transitions, 101 flow [2021-03-25 14:39:24,993 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 29 transitions, 101 flow [2021-03-25 14:39:24,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 29 transitions, 101 flow [2021-03-25 14:39:24,999 INFO L129 PetriNetUnfolder]: 4/45 cut-off events. [2021-03-25 14:39:24,999 INFO L130 PetriNetUnfolder]: For 27/43 co-relation queries the response was YES. [2021-03-25 14:39:25,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 45 events. 4/45 cut-off events. For 27/43 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 127 event pairs, 2 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 81. Up to 13 conditions per place. [2021-03-25 14:39:25,003 INFO L142 LiptonReduction]: Number of co-enabled transitions 394 [2021-03-25 14:39:25,005 INFO L154 LiptonReduction]: Checked pairs total: 316 [2021-03-25 14:39:25,006 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:39:25,006 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-25 14:39:25,008 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 29 transitions, 101 flow [2021-03-25 14:39:25,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:25,009 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:25,009 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:39:25,009 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 14:39:25,009 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:25,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:25,009 INFO L82 PathProgramCache]: Analyzing trace with hash -921273539, now seen corresponding path program 1 times [2021-03-25 14:39:25,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:25,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698265513] [2021-03-25 14:39:25,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:39:25,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:25,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 14:39:25,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:25,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:39:25,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:39:25,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698265513] [2021-03-25 14:39:25,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:39:25,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 14:39:25,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113625515] [2021-03-25 14:39:25,117 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:39:25,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:39:25,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:39:25,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:39:25,118 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 197 [2021-03-25 14:39:25,118 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 29 transitions, 101 flow. Second operand has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:25,118 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:39:25,119 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 197 [2021-03-25 14:39:25,119 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:39:25,186 INFO L129 PetriNetUnfolder]: 109/279 cut-off events. [2021-03-25 14:39:25,186 INFO L130 PetriNetUnfolder]: For 318/442 co-relation queries the response was YES. [2021-03-25 14:39:25,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 656 conditions, 279 events. 109/279 cut-off events. For 318/442 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1557 event pairs, 68 based on Foata normal form. 3/246 useless extension candidates. Maximal degree in co-relation 643. Up to 165 conditions per place. [2021-03-25 14:39:25,189 INFO L132 encePairwiseOnDemand]: 193/197 looper letters, 7 selfloop transitions, 3 changer transitions 0/32 dead transitions. [2021-03-25 14:39:25,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 32 transitions, 127 flow [2021-03-25 14:39:25,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:39:25,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:39:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 485 transitions. [2021-03-25 14:39:25,191 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8206429780033841 [2021-03-25 14:39:25,191 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 485 transitions. [2021-03-25 14:39:25,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 485 transitions. [2021-03-25 14:39:25,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:39:25,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 485 transitions. [2021-03-25 14:39:25,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:25,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 197.0) internal successors, (788), 4 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:25,194 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 197.0) internal successors, (788), 4 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:25,194 INFO L185 Difference]: Start difference. First operand has 41 places, 29 transitions, 101 flow. Second operand 3 states and 485 transitions. [2021-03-25 14:39:25,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 32 transitions, 127 flow [2021-03-25 14:39:25,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 32 transitions, 122 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-25 14:39:25,198 INFO L241 Difference]: Finished difference. Result has 43 places, 31 transitions, 115 flow [2021-03-25 14:39:25,198 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=115, PETRI_PLACES=43, PETRI_TRANSITIONS=31} [2021-03-25 14:39:25,198 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, -11 predicate places. [2021-03-25 14:39:25,198 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:25,198 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 31 transitions, 115 flow [2021-03-25 14:39:25,198 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 31 transitions, 115 flow [2021-03-25 14:39:25,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 31 transitions, 115 flow [2021-03-25 14:39:25,215 INFO L129 PetriNetUnfolder]: 15/89 cut-off events. [2021-03-25 14:39:25,215 INFO L130 PetriNetUnfolder]: For 102/132 co-relation queries the response was YES. [2021-03-25 14:39:25,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 89 events. 15/89 cut-off events. For 102/132 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 396 event pairs, 7 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 191. Up to 29 conditions per place. [2021-03-25 14:39:25,216 INFO L142 LiptonReduction]: Number of co-enabled transitions 428 [2021-03-25 14:39:25,254 INFO L154 LiptonReduction]: Checked pairs total: 260 [2021-03-25 14:39:25,254 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:39:25,255 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-03-25 14:39:25,257 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 31 transitions, 115 flow [2021-03-25 14:39:25,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:25,257 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:25,258 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:39:25,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 14:39:25,258 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:25,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:25,258 INFO L82 PathProgramCache]: Analyzing trace with hash -583256081, now seen corresponding path program 1 times [2021-03-25 14:39:25,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:25,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216620226] [2021-03-25 14:39:25,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:39:25,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:25,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:39:25,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:25,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:39:25,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:25,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 14:39:25,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:39:25,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216620226] [2021-03-25 14:39:25,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:39:25,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:39:25,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714620785] [2021-03-25 14:39:25,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:39:25,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:39:25,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:39:25,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:39:25,364 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 197 [2021-03-25 14:39:25,365 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 31 transitions, 115 flow. Second operand has 5 states, 5 states have (on average 158.8) internal successors, (794), 5 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:25,365 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:39:25,365 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 197 [2021-03-25 14:39:25,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:39:25,459 INFO L129 PetriNetUnfolder]: 94/251 cut-off events. [2021-03-25 14:39:25,459 INFO L130 PetriNetUnfolder]: For 562/658 co-relation queries the response was YES. [2021-03-25 14:39:25,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 647 conditions, 251 events. 94/251 cut-off events. For 562/658 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1373 event pairs, 35 based on Foata normal form. 13/238 useless extension candidates. Maximal degree in co-relation 632. Up to 128 conditions per place. [2021-03-25 14:39:25,462 INFO L132 encePairwiseOnDemand]: 191/197 looper letters, 7 selfloop transitions, 7 changer transitions 0/36 dead transitions. [2021-03-25 14:39:25,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 36 transitions, 155 flow [2021-03-25 14:39:25,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:39:25,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:39:25,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 647 transitions. [2021-03-25 14:39:25,464 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8210659898477157 [2021-03-25 14:39:25,464 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 647 transitions. [2021-03-25 14:39:25,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 647 transitions. [2021-03-25 14:39:25,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:39:25,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 647 transitions. [2021-03-25 14:39:25,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 161.75) internal successors, (647), 4 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:25,468 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 197.0) internal successors, (985), 5 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:25,469 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 197.0) internal successors, (985), 5 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:25,469 INFO L185 Difference]: Start difference. First operand has 43 places, 31 transitions, 115 flow. Second operand 4 states and 647 transitions. [2021-03-25 14:39:25,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 36 transitions, 155 flow [2021-03-25 14:39:25,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 152 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 14:39:25,473 INFO L241 Difference]: Finished difference. Result has 47 places, 34 transitions, 152 flow [2021-03-25 14:39:25,473 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=152, PETRI_PLACES=47, PETRI_TRANSITIONS=34} [2021-03-25 14:39:25,473 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, -7 predicate places. [2021-03-25 14:39:25,473 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:25,473 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 34 transitions, 152 flow [2021-03-25 14:39:25,474 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 34 transitions, 152 flow [2021-03-25 14:39:25,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 34 transitions, 152 flow [2021-03-25 14:39:25,493 INFO L129 PetriNetUnfolder]: 34/116 cut-off events. [2021-03-25 14:39:25,493 INFO L130 PetriNetUnfolder]: For 288/314 co-relation queries the response was YES. [2021-03-25 14:39:25,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 116 events. 34/116 cut-off events. For 288/314 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 532 event pairs, 12 based on Foata normal form. 1/95 useless extension candidates. Maximal degree in co-relation 361. Up to 52 conditions per place. [2021-03-25 14:39:25,495 INFO L142 LiptonReduction]: Number of co-enabled transitions 474 [2021-03-25 14:39:25,672 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-03-25 14:39:26,052 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2021-03-25 14:39:26,166 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-25 14:39:26,232 INFO L154 LiptonReduction]: Checked pairs total: 435 [2021-03-25 14:39:26,232 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:39:26,232 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 759 [2021-03-25 14:39:26,233 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 34 transitions, 154 flow [2021-03-25 14:39:26,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 158.8) internal successors, (794), 5 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:26,233 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:26,234 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:39:26,234 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 14:39:26,234 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:26,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:26,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1401912370, now seen corresponding path program 1 times [2021-03-25 14:39:26,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:26,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245041016] [2021-03-25 14:39:26,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:39:26,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:26,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:39:26,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:26,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 14:39:26,349 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.1 percent of original size [2021-03-25 14:39:26,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 14:39:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:39:26,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245041016] [2021-03-25 14:39:26,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:39:26,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:39:26,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417447712] [2021-03-25 14:39:26,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:39:26,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:39:26,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:39:26,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:39:26,372 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 198 [2021-03-25 14:39:26,373 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 34 transitions, 154 flow. Second operand has 5 states, 5 states have (on average 154.8) internal successors, (774), 5 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:26,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:39:26,374 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 198 [2021-03-25 14:39:26,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:39:26,468 INFO L129 PetriNetUnfolder]: 83/221 cut-off events. [2021-03-25 14:39:26,469 INFO L130 PetriNetUnfolder]: For 516/602 co-relation queries the response was YES. [2021-03-25 14:39:26,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 729 conditions, 221 events. 83/221 cut-off events. For 516/602 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1116 event pairs, 22 based on Foata normal form. 6/199 useless extension candidates. Maximal degree in co-relation 711. Up to 133 conditions per place. [2021-03-25 14:39:26,471 INFO L132 encePairwiseOnDemand]: 192/198 looper letters, 10 selfloop transitions, 6 changer transitions 0/38 dead transitions. [2021-03-25 14:39:26,471 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 38 transitions, 200 flow [2021-03-25 14:39:26,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:39:26,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:39:26,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 631 transitions. [2021-03-25 14:39:26,474 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7967171717171717 [2021-03-25 14:39:26,474 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 631 transitions. [2021-03-25 14:39:26,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 631 transitions. [2021-03-25 14:39:26,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:39:26,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 631 transitions. [2021-03-25 14:39:26,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 157.75) internal successors, (631), 4 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:26,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:26,478 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:26,478 INFO L185 Difference]: Start difference. First operand has 47 places, 34 transitions, 154 flow. Second operand 4 states and 631 transitions. [2021-03-25 14:39:26,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 38 transitions, 200 flow [2021-03-25 14:39:26,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 38 transitions, 192 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-25 14:39:26,480 INFO L241 Difference]: Finished difference. Result has 50 places, 36 transitions, 173 flow [2021-03-25 14:39:26,481 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=173, PETRI_PLACES=50, PETRI_TRANSITIONS=36} [2021-03-25 14:39:26,481 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, -4 predicate places. [2021-03-25 14:39:26,481 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:26,481 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 36 transitions, 173 flow [2021-03-25 14:39:26,481 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 36 transitions, 173 flow [2021-03-25 14:39:26,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 36 transitions, 173 flow [2021-03-25 14:39:26,503 INFO L129 PetriNetUnfolder]: 45/162 cut-off events. [2021-03-25 14:39:26,503 INFO L130 PetriNetUnfolder]: For 588/626 co-relation queries the response was YES. [2021-03-25 14:39:26,504 INFO L84 FinitePrefix]: Finished finitePrefix Result has 492 conditions, 162 events. 45/162 cut-off events. For 588/626 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 834 event pairs, 18 based on Foata normal form. 1/140 useless extension candidates. Maximal degree in co-relation 474. Up to 51 conditions per place. [2021-03-25 14:39:26,506 INFO L142 LiptonReduction]: Number of co-enabled transitions 510 [2021-03-25 14:39:26,511 INFO L154 LiptonReduction]: Checked pairs total: 195 [2021-03-25 14:39:26,512 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:39:26,512 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-03-25 14:39:26,514 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 36 transitions, 173 flow [2021-03-25 14:39:26,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 154.8) internal successors, (774), 5 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:26,515 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:26,515 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:39:26,515 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 14:39:26,515 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:26,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:26,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1738916750, now seen corresponding path program 1 times [2021-03-25 14:39:26,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:26,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756092655] [2021-03-25 14:39:26,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:39:26,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:26,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:39:26,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:26,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:39:26,605 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-03-25 14:39:26,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 14:39:26,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:26,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:39:26,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:39:26,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756092655] [2021-03-25 14:39:26,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:39:26,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:39:26,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538091002] [2021-03-25 14:39:26,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:39:26,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:39:26,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:39:26,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:39:26,628 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 198 [2021-03-25 14:39:26,629 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 36 transitions, 173 flow. Second operand has 5 states, 5 states have (on average 156.0) internal successors, (780), 5 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:26,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:39:26,629 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 198 [2021-03-25 14:39:26,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:39:26,718 INFO L129 PetriNetUnfolder]: 92/249 cut-off events. [2021-03-25 14:39:26,718 INFO L130 PetriNetUnfolder]: For 865/939 co-relation queries the response was YES. [2021-03-25 14:39:26,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 845 conditions, 249 events. 92/249 cut-off events. For 865/939 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1335 event pairs, 12 based on Foata normal form. 12/236 useless extension candidates. Maximal degree in co-relation 825. Up to 121 conditions per place. [2021-03-25 14:39:26,722 INFO L132 encePairwiseOnDemand]: 191/198 looper letters, 11 selfloop transitions, 8 changer transitions 0/41 dead transitions. [2021-03-25 14:39:26,722 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 41 transitions, 231 flow [2021-03-25 14:39:26,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:39:26,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:39:26,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 792 transitions. [2021-03-25 14:39:26,725 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8 [2021-03-25 14:39:26,725 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 792 transitions. [2021-03-25 14:39:26,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 792 transitions. [2021-03-25 14:39:26,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:39:26,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 792 transitions. [2021-03-25 14:39:26,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 158.4) internal successors, (792), 5 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:26,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:26,729 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:26,729 INFO L185 Difference]: Start difference. First operand has 50 places, 36 transitions, 173 flow. Second operand 5 states and 792 transitions. [2021-03-25 14:39:26,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 41 transitions, 231 flow [2021-03-25 14:39:26,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 41 transitions, 220 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 14:39:26,733 INFO L241 Difference]: Finished difference. Result has 53 places, 38 transitions, 195 flow [2021-03-25 14:39:26,733 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=195, PETRI_PLACES=53, PETRI_TRANSITIONS=38} [2021-03-25 14:39:26,734 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, -1 predicate places. [2021-03-25 14:39:26,734 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:26,734 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 38 transitions, 195 flow [2021-03-25 14:39:26,734 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 38 transitions, 195 flow [2021-03-25 14:39:26,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 38 transitions, 195 flow [2021-03-25 14:39:26,762 INFO L129 PetriNetUnfolder]: 66/185 cut-off events. [2021-03-25 14:39:26,763 INFO L130 PetriNetUnfolder]: For 977/1031 co-relation queries the response was YES. [2021-03-25 14:39:26,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 185 events. 66/185 cut-off events. For 977/1031 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 897 event pairs, 18 based on Foata normal form. 1/155 useless extension candidates. Maximal degree in co-relation 671. Up to 78 conditions per place. [2021-03-25 14:39:26,766 INFO L142 LiptonReduction]: Number of co-enabled transitions 548 [2021-03-25 14:39:26,772 INFO L154 LiptonReduction]: Checked pairs total: 242 [2021-03-25 14:39:26,772 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:39:26,772 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-03-25 14:39:26,773 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 38 transitions, 195 flow [2021-03-25 14:39:26,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 156.0) internal successors, (780), 5 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:26,773 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:26,773 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:39:26,773 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 14:39:26,773 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:26,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:26,774 INFO L82 PathProgramCache]: Analyzing trace with hash 172744390, now seen corresponding path program 2 times [2021-03-25 14:39:26,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:26,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451020720] [2021-03-25 14:39:26,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:39:26,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:26,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:39:26,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:26,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:39:26,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:26,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:39:26,863 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-03-25 14:39:26,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 14:39:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:39:26,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451020720] [2021-03-25 14:39:26,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:39:26,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:39:26,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644396648] [2021-03-25 14:39:26,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:39:26,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:39:26,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:39:26,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:39:26,882 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 198 [2021-03-25 14:39:26,883 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 38 transitions, 195 flow. Second operand has 6 states, 6 states have (on average 151.83333333333334) internal successors, (911), 6 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:26,883 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:39:26,883 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 198 [2021-03-25 14:39:26,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:39:26,981 INFO L129 PetriNetUnfolder]: 95/255 cut-off events. [2021-03-25 14:39:26,982 INFO L130 PetriNetUnfolder]: For 1043/1117 co-relation queries the response was YES. [2021-03-25 14:39:26,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 962 conditions, 255 events. 95/255 cut-off events. For 1043/1117 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1365 event pairs, 12 based on Foata normal form. 12/242 useless extension candidates. Maximal degree in co-relation 941. Up to 124 conditions per place. [2021-03-25 14:39:26,985 INFO L132 encePairwiseOnDemand]: 192/198 looper letters, 11 selfloop transitions, 11 changer transitions 0/44 dead transitions. [2021-03-25 14:39:26,985 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 44 transitions, 273 flow [2021-03-25 14:39:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:39:26,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:39:26,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 772 transitions. [2021-03-25 14:39:26,988 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7797979797979798 [2021-03-25 14:39:26,988 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 772 transitions. [2021-03-25 14:39:26,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 772 transitions. [2021-03-25 14:39:26,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:39:26,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 772 transitions. [2021-03-25 14:39:26,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 154.4) internal successors, (772), 5 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:26,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:26,992 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:26,992 INFO L185 Difference]: Start difference. First operand has 53 places, 38 transitions, 195 flow. Second operand 5 states and 772 transitions. [2021-03-25 14:39:26,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 44 transitions, 273 flow [2021-03-25 14:39:26,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 44 transitions, 256 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-25 14:39:26,996 INFO L241 Difference]: Finished difference. Result has 55 places, 42 transitions, 238 flow [2021-03-25 14:39:26,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=238, PETRI_PLACES=55, PETRI_TRANSITIONS=42} [2021-03-25 14:39:26,996 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 1 predicate places. [2021-03-25 14:39:26,996 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:26,996 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 42 transitions, 238 flow [2021-03-25 14:39:26,996 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 42 transitions, 238 flow [2021-03-25 14:39:26,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 42 transitions, 238 flow [2021-03-25 14:39:27,021 INFO L129 PetriNetUnfolder]: 64/187 cut-off events. [2021-03-25 14:39:27,022 INFO L130 PetriNetUnfolder]: For 1065/1123 co-relation queries the response was YES. [2021-03-25 14:39:27,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 730 conditions, 187 events. 64/187 cut-off events. For 1065/1123 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 926 event pairs, 20 based on Foata normal form. 2/160 useless extension candidates. Maximal degree in co-relation 710. Up to 73 conditions per place. [2021-03-25 14:39:27,025 INFO L142 LiptonReduction]: Number of co-enabled transitions 612 [2021-03-25 14:39:27,029 INFO L154 LiptonReduction]: Checked pairs total: 291 [2021-03-25 14:39:27,029 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:39:27,029 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-03-25 14:39:27,030 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 42 transitions, 238 flow [2021-03-25 14:39:27,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 151.83333333333334) internal successors, (911), 6 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:27,032 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:27,032 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:39:27,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 14:39:27,032 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:27,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:27,032 INFO L82 PathProgramCache]: Analyzing trace with hash -568086244, now seen corresponding path program 1 times [2021-03-25 14:39:27,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:27,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979049557] [2021-03-25 14:39:27,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:39:27,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:27,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:39:27,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:27,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:39:27,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:27,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:39:27,142 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.8 percent of original size [2021-03-25 14:39:27,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 14:39:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:39:27,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979049557] [2021-03-25 14:39:27,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:39:27,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:39:27,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620546000] [2021-03-25 14:39:27,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:39:27,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:39:27,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:39:27,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:39:27,168 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 198 [2021-03-25 14:39:27,169 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 42 transitions, 238 flow. Second operand has 5 states, 5 states have (on average 154.0) internal successors, (770), 5 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:27,169 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:39:27,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 198 [2021-03-25 14:39:27,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:39:27,270 INFO L129 PetriNetUnfolder]: 87/250 cut-off events. [2021-03-25 14:39:27,271 INFO L130 PetriNetUnfolder]: For 1312/1386 co-relation queries the response was YES. [2021-03-25 14:39:27,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 988 conditions, 250 events. 87/250 cut-off events. For 1312/1386 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1387 event pairs, 7 based on Foata normal form. 13/240 useless extension candidates. Maximal degree in co-relation 966. Up to 99 conditions per place. [2021-03-25 14:39:27,274 INFO L132 encePairwiseOnDemand]: 193/198 looper letters, 12 selfloop transitions, 12 changer transitions 0/46 dead transitions. [2021-03-25 14:39:27,274 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 46 transitions, 310 flow [2021-03-25 14:39:27,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:39:27,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:39:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 628 transitions. [2021-03-25 14:39:27,276 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7929292929292929 [2021-03-25 14:39:27,276 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 628 transitions. [2021-03-25 14:39:27,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 628 transitions. [2021-03-25 14:39:27,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:39:27,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 628 transitions. [2021-03-25 14:39:27,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:27,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:27,280 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:27,280 INFO L185 Difference]: Start difference. First operand has 55 places, 42 transitions, 238 flow. Second operand 4 states and 628 transitions. [2021-03-25 14:39:27,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 46 transitions, 310 flow [2021-03-25 14:39:27,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 46 transitions, 304 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-03-25 14:39:27,282 INFO L241 Difference]: Finished difference. Result has 59 places, 44 transitions, 289 flow [2021-03-25 14:39:27,283 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=289, PETRI_PLACES=59, PETRI_TRANSITIONS=44} [2021-03-25 14:39:27,283 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 5 predicate places. [2021-03-25 14:39:27,283 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:27,284 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 44 transitions, 289 flow [2021-03-25 14:39:27,284 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 44 transitions, 289 flow [2021-03-25 14:39:27,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 44 transitions, 289 flow [2021-03-25 14:39:27,307 INFO L129 PetriNetUnfolder]: 57/179 cut-off events. [2021-03-25 14:39:27,308 INFO L130 PetriNetUnfolder]: For 992/1036 co-relation queries the response was YES. [2021-03-25 14:39:27,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 763 conditions, 179 events. 57/179 cut-off events. For 992/1036 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 900 event pairs, 14 based on Foata normal form. 2/156 useless extension candidates. Maximal degree in co-relation 740. Up to 65 conditions per place. [2021-03-25 14:39:27,311 INFO L142 LiptonReduction]: Number of co-enabled transitions 652 [2021-03-25 14:39:27,316 INFO L154 LiptonReduction]: Checked pairs total: 351 [2021-03-25 14:39:27,316 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:39:27,316 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-03-25 14:39:27,319 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 44 transitions, 289 flow [2021-03-25 14:39:27,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 154.0) internal successors, (770), 5 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:27,319 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:27,319 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:39:27,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 14:39:27,319 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:27,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:27,320 INFO L82 PathProgramCache]: Analyzing trace with hash -528740643, now seen corresponding path program 1 times [2021-03-25 14:39:27,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:27,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238655619] [2021-03-25 14:39:27,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:39:27,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:27,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:39:27,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:27,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:39:27,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:27,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:39:27,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:27,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 14:39:27,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:27,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:39:27,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:39:27,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238655619] [2021-03-25 14:39:27,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:39:27,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:39:27,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701435684] [2021-03-25 14:39:27,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:39:27,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:39:27,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:39:27,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:39:27,431 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 198 [2021-03-25 14:39:27,432 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 44 transitions, 289 flow. Second operand has 6 states, 6 states have (on average 150.0) internal successors, (900), 6 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:27,432 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:39:27,432 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 198 [2021-03-25 14:39:27,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:39:27,582 INFO L129 PetriNetUnfolder]: 90/262 cut-off events. [2021-03-25 14:39:27,582 INFO L130 PetriNetUnfolder]: For 1349/1417 co-relation queries the response was YES. [2021-03-25 14:39:27,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1163 conditions, 262 events. 90/262 cut-off events. For 1349/1417 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1487 event pairs, 4 based on Foata normal form. 13/253 useless extension candidates. Maximal degree in co-relation 1138. Up to 105 conditions per place. [2021-03-25 14:39:27,585 INFO L132 encePairwiseOnDemand]: 191/198 looper letters, 12 selfloop transitions, 16 changer transitions 0/50 dead transitions. [2021-03-25 14:39:27,585 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 50 transitions, 382 flow [2021-03-25 14:39:27,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:39:27,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:39:27,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1066 transitions. [2021-03-25 14:39:27,588 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7691197691197691 [2021-03-25 14:39:27,588 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1066 transitions. [2021-03-25 14:39:27,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1066 transitions. [2021-03-25 14:39:27,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:39:27,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1066 transitions. [2021-03-25 14:39:27,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 152.28571428571428) internal successors, (1066), 7 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:27,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 198.0) internal successors, (1584), 8 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:27,594 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 198.0) internal successors, (1584), 8 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:27,594 INFO L185 Difference]: Start difference. First operand has 59 places, 44 transitions, 289 flow. Second operand 7 states and 1066 transitions. [2021-03-25 14:39:27,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 50 transitions, 382 flow [2021-03-25 14:39:27,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 50 transitions, 354 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-03-25 14:39:27,598 INFO L241 Difference]: Finished difference. Result has 64 places, 46 transitions, 327 flow [2021-03-25 14:39:27,598 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=327, PETRI_PLACES=64, PETRI_TRANSITIONS=46} [2021-03-25 14:39:27,598 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 10 predicate places. [2021-03-25 14:39:27,598 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:27,598 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 46 transitions, 327 flow [2021-03-25 14:39:27,598 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 46 transitions, 327 flow [2021-03-25 14:39:27,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 46 transitions, 327 flow [2021-03-25 14:39:27,624 INFO L129 PetriNetUnfolder]: 57/185 cut-off events. [2021-03-25 14:39:27,624 INFO L130 PetriNetUnfolder]: For 1075/1128 co-relation queries the response was YES. [2021-03-25 14:39:27,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 769 conditions, 185 events. 57/185 cut-off events. For 1075/1128 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 963 event pairs, 14 based on Foata normal form. 10/170 useless extension candidates. Maximal degree in co-relation 745. Up to 67 conditions per place. [2021-03-25 14:39:27,627 INFO L142 LiptonReduction]: Number of co-enabled transitions 694 [2021-03-25 14:39:27,633 INFO L154 LiptonReduction]: Checked pairs total: 397 [2021-03-25 14:39:27,634 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:39:27,634 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-03-25 14:39:27,634 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 46 transitions, 327 flow [2021-03-25 14:39:27,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 150.0) internal successors, (900), 6 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:27,635 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:27,635 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:39:27,635 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 14:39:27,635 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:27,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:27,635 INFO L82 PathProgramCache]: Analyzing trace with hash -706346897, now seen corresponding path program 1 times [2021-03-25 14:39:27,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:27,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710600381] [2021-03-25 14:39:27,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:39:27,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:27,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:39:27,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:27,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:39:27,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:27,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:39:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:39:27,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710600381] [2021-03-25 14:39:27,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:39:27,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:39:27,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265299257] [2021-03-25 14:39:27,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:39:27,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:39:27,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:39:27,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:39:27,698 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 198 [2021-03-25 14:39:27,699 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 46 transitions, 327 flow. Second operand has 4 states, 4 states have (on average 163.75) internal successors, (655), 4 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:27,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:39:27,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 198 [2021-03-25 14:39:27,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:39:27,880 INFO L129 PetriNetUnfolder]: 630/1239 cut-off events. [2021-03-25 14:39:27,880 INFO L130 PetriNetUnfolder]: For 3343/3662 co-relation queries the response was YES. [2021-03-25 14:39:27,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3764 conditions, 1239 events. 630/1239 cut-off events. For 3343/3662 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 8993 event pairs, 266 based on Foata normal form. 136/1159 useless extension candidates. Maximal degree in co-relation 3738. Up to 712 conditions per place. [2021-03-25 14:39:27,895 INFO L132 encePairwiseOnDemand]: 191/198 looper letters, 11 selfloop transitions, 10 changer transitions 0/59 dead transitions. [2021-03-25 14:39:27,895 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 59 transitions, 395 flow [2021-03-25 14:39:27,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:39:27,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:39:27,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 837 transitions. [2021-03-25 14:39:27,898 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8454545454545455 [2021-03-25 14:39:27,898 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 837 transitions. [2021-03-25 14:39:27,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 837 transitions. [2021-03-25 14:39:27,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:39:27,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 837 transitions. [2021-03-25 14:39:27,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 167.4) internal successors, (837), 5 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:27,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:27,902 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:27,902 INFO L185 Difference]: Start difference. First operand has 64 places, 46 transitions, 327 flow. Second operand 5 states and 837 transitions. [2021-03-25 14:39:27,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 59 transitions, 395 flow [2021-03-25 14:39:27,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 59 transitions, 358 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-25 14:39:27,911 INFO L241 Difference]: Finished difference. Result has 66 places, 55 transitions, 369 flow [2021-03-25 14:39:27,912 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=369, PETRI_PLACES=66, PETRI_TRANSITIONS=55} [2021-03-25 14:39:27,912 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 12 predicate places. [2021-03-25 14:39:27,912 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:27,912 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 55 transitions, 369 flow [2021-03-25 14:39:27,912 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 55 transitions, 369 flow [2021-03-25 14:39:27,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 55 transitions, 369 flow [2021-03-25 14:39:28,054 INFO L129 PetriNetUnfolder]: 571/1067 cut-off events. [2021-03-25 14:39:28,054 INFO L130 PetriNetUnfolder]: For 3027/3631 co-relation queries the response was YES. [2021-03-25 14:39:28,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3792 conditions, 1067 events. 571/1067 cut-off events. For 3027/3631 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 7336 event pairs, 250 based on Foata normal form. 10/863 useless extension candidates. Maximal degree in co-relation 3766. Up to 706 conditions per place. [2021-03-25 14:39:28,072 INFO L142 LiptonReduction]: Number of co-enabled transitions 970 [2021-03-25 14:39:28,100 INFO L154 LiptonReduction]: Checked pairs total: 202 [2021-03-25 14:39:28,100 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:39:28,100 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 188 [2021-03-25 14:39:28,102 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 55 transitions, 369 flow [2021-03-25 14:39:28,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 163.75) internal successors, (655), 4 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:28,102 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:28,102 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:39:28,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 14:39:28,103 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:28,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:28,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1450545882, now seen corresponding path program 1 times [2021-03-25 14:39:28,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:28,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372400282] [2021-03-25 14:39:28,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:39:28,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:28,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:39:28,165 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-03-25 14:39:28,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 14:39:28,187 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.3 percent of original size [2021-03-25 14:39:28,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 14:39:28,213 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-03-25 14:39:28,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 14:39:28,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:28,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:39:28,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:39:28,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372400282] [2021-03-25 14:39:28,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:39:28,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:39:28,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982960423] [2021-03-25 14:39:28,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:39:28,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:39:28,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:39:28,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:39:28,245 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 198 [2021-03-25 14:39:28,248 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 55 transitions, 369 flow. Second operand has 7 states, 7 states have (on average 148.85714285714286) internal successors, (1042), 7 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:28,248 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:39:28,248 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 198 [2021-03-25 14:39:28,248 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:39:28,526 INFO L129 PetriNetUnfolder]: 909/1696 cut-off events. [2021-03-25 14:39:28,526 INFO L130 PetriNetUnfolder]: For 6318/7865 co-relation queries the response was YES. [2021-03-25 14:39:28,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6452 conditions, 1696 events. 909/1696 cut-off events. For 6318/7865 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 13035 event pairs, 265 based on Foata normal form. 66/1432 useless extension candidates. Maximal degree in co-relation 6424. Up to 1145 conditions per place. [2021-03-25 14:39:28,544 INFO L132 encePairwiseOnDemand]: 192/198 looper letters, 13 selfloop transitions, 15 changer transitions 0/59 dead transitions. [2021-03-25 14:39:28,544 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 59 transitions, 457 flow [2021-03-25 14:39:28,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:39:28,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:39:28,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 905 transitions. [2021-03-25 14:39:28,547 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7617845117845118 [2021-03-25 14:39:28,547 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 905 transitions. [2021-03-25 14:39:28,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 905 transitions. [2021-03-25 14:39:28,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:39:28,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 905 transitions. [2021-03-25 14:39:28,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 150.83333333333334) internal successors, (905), 6 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:28,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:28,551 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:28,551 INFO L185 Difference]: Start difference. First operand has 66 places, 55 transitions, 369 flow. Second operand 6 states and 905 transitions. [2021-03-25 14:39:28,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 59 transitions, 457 flow [2021-03-25 14:39:28,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 59 transitions, 450 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-25 14:39:28,563 INFO L241 Difference]: Finished difference. Result has 71 places, 55 transitions, 405 flow [2021-03-25 14:39:28,563 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=405, PETRI_PLACES=71, PETRI_TRANSITIONS=55} [2021-03-25 14:39:28,563 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 17 predicate places. [2021-03-25 14:39:28,563 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:28,564 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 55 transitions, 405 flow [2021-03-25 14:39:28,564 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 55 transitions, 405 flow [2021-03-25 14:39:28,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 55 transitions, 405 flow [2021-03-25 14:39:28,686 INFO L129 PetriNetUnfolder]: 738/1326 cut-off events. [2021-03-25 14:39:28,686 INFO L130 PetriNetUnfolder]: For 3433/4424 co-relation queries the response was YES. [2021-03-25 14:39:28,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4644 conditions, 1326 events. 738/1326 cut-off events. For 3433/4424 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 9268 event pairs, 353 based on Foata normal form. 8/1047 useless extension candidates. Maximal degree in co-relation 4616. Up to 965 conditions per place. [2021-03-25 14:39:28,709 INFO L142 LiptonReduction]: Number of co-enabled transitions 968 [2021-03-25 14:39:28,777 INFO L154 LiptonReduction]: Checked pairs total: 171 [2021-03-25 14:39:28,777 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:39:28,777 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 214 [2021-03-25 14:39:28,777 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 55 transitions, 405 flow [2021-03-25 14:39:28,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 148.85714285714286) internal successors, (1042), 7 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:28,778 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:28,778 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:39:28,778 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 14:39:28,778 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:28,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:28,778 INFO L82 PathProgramCache]: Analyzing trace with hash 20932028, now seen corresponding path program 1 times [2021-03-25 14:39:28,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:28,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012873070] [2021-03-25 14:39:28,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:39:28,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:28,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:39:28,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:28,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:39:28,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:28,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:39:28,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:28,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:39:28,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:39:28,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012873070] [2021-03-25 14:39:28,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:39:28,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:39:28,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524554144] [2021-03-25 14:39:28,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:39:28,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:39:28,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:39:28,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:39:28,851 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 198 [2021-03-25 14:39:28,852 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 55 transitions, 405 flow. Second operand has 5 states, 5 states have (on average 163.8) internal successors, (819), 5 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:28,852 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:39:28,852 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 198 [2021-03-25 14:39:28,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:39:29,090 INFO L129 PetriNetUnfolder]: 601/1233 cut-off events. [2021-03-25 14:39:29,091 INFO L130 PetriNetUnfolder]: For 4165/8255 co-relation queries the response was YES. [2021-03-25 14:39:29,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5171 conditions, 1233 events. 601/1233 cut-off events. For 4165/8255 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 9053 event pairs, 109 based on Foata normal form. 371/1396 useless extension candidates. Maximal degree in co-relation 5141. Up to 916 conditions per place. [2021-03-25 14:39:29,103 INFO L132 encePairwiseOnDemand]: 191/198 looper letters, 11 selfloop transitions, 19 changer transitions 0/68 dead transitions. [2021-03-25 14:39:29,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 68 transitions, 541 flow [2021-03-25 14:39:29,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:39:29,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:39:29,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1172 transitions. [2021-03-25 14:39:29,107 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8455988455988456 [2021-03-25 14:39:29,107 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1172 transitions. [2021-03-25 14:39:29,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1172 transitions. [2021-03-25 14:39:29,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:39:29,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1172 transitions. [2021-03-25 14:39:29,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 167.42857142857142) internal successors, (1172), 7 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:29,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 198.0) internal successors, (1584), 8 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:29,112 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 198.0) internal successors, (1584), 8 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:29,112 INFO L185 Difference]: Start difference. First operand has 71 places, 55 transitions, 405 flow. Second operand 7 states and 1172 transitions. [2021-03-25 14:39:29,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 68 transitions, 541 flow [2021-03-25 14:39:29,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 68 transitions, 523 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-25 14:39:29,118 INFO L241 Difference]: Finished difference. Result has 77 places, 64 transitions, 525 flow [2021-03-25 14:39:29,119 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=525, PETRI_PLACES=77, PETRI_TRANSITIONS=64} [2021-03-25 14:39:29,119 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 23 predicate places. [2021-03-25 14:39:29,119 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:29,119 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 64 transitions, 525 flow [2021-03-25 14:39:29,119 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 64 transitions, 525 flow [2021-03-25 14:39:29,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 64 transitions, 525 flow [2021-03-25 14:39:29,238 INFO L129 PetriNetUnfolder]: 562/1100 cut-off events. [2021-03-25 14:39:29,238 INFO L130 PetriNetUnfolder]: For 5337/8009 co-relation queries the response was YES. [2021-03-25 14:39:29,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5479 conditions, 1100 events. 562/1100 cut-off events. For 5337/8009 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 7932 event pairs, 109 based on Foata normal form. 14/916 useless extension candidates. Maximal degree in co-relation 5448. Up to 819 conditions per place. [2021-03-25 14:39:29,259 INFO L142 LiptonReduction]: Number of co-enabled transitions 1176 [2021-03-25 14:39:29,274 INFO L154 LiptonReduction]: Checked pairs total: 240 [2021-03-25 14:39:29,274 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:39:29,274 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 155 [2021-03-25 14:39:29,275 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 64 transitions, 525 flow [2021-03-25 14:39:29,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 163.8) internal successors, (819), 5 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:29,275 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:29,275 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:39:29,275 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 14:39:29,276 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:29,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:29,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1102461434, now seen corresponding path program 1 times [2021-03-25 14:39:29,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:29,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546195716] [2021-03-25 14:39:29,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:39:29,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:29,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:39:29,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:29,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:39:29,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:39:29,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546195716] [2021-03-25 14:39:29,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:39:29,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:39:29,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317669057] [2021-03-25 14:39:29,314 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:39:29,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:39:29,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:39:29,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:39:29,315 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 198 [2021-03-25 14:39:29,316 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 64 transitions, 525 flow. Second operand has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:29,316 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:39:29,316 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 198 [2021-03-25 14:39:29,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:39:29,529 INFO L129 PetriNetUnfolder]: 949/1812 cut-off events. [2021-03-25 14:39:29,529 INFO L130 PetriNetUnfolder]: For 9421/15187 co-relation queries the response was YES. [2021-03-25 14:39:29,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8929 conditions, 1812 events. 949/1812 cut-off events. For 9421/15187 co-relation queries the response was YES. Maximal size of possible extension queue 368. Compared 13815 event pairs, 186 based on Foata normal form. 45/1510 useless extension candidates. Maximal degree in co-relation 8896. Up to 1421 conditions per place. [2021-03-25 14:39:29,548 INFO L132 encePairwiseOnDemand]: 195/198 looper letters, 3 selfloop transitions, 3 changer transitions 0/64 dead transitions. [2021-03-25 14:39:29,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 64 transitions, 537 flow [2021-03-25 14:39:29,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:39:29,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:39:29,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 525 transitions. [2021-03-25 14:39:29,551 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8838383838383839 [2021-03-25 14:39:29,551 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 525 transitions. [2021-03-25 14:39:29,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 525 transitions. [2021-03-25 14:39:29,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:39:29,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 525 transitions. [2021-03-25 14:39:29,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:29,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:29,553 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:29,553 INFO L185 Difference]: Start difference. First operand has 77 places, 64 transitions, 525 flow. Second operand 3 states and 525 transitions. [2021-03-25 14:39:29,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 64 transitions, 537 flow [2021-03-25 14:39:29,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 64 transitions, 487 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-25 14:39:29,577 INFO L241 Difference]: Finished difference. Result has 77 places, 64 transitions, 486 flow [2021-03-25 14:39:29,578 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=486, PETRI_PLACES=77, PETRI_TRANSITIONS=64} [2021-03-25 14:39:29,578 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 23 predicate places. [2021-03-25 14:39:29,578 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:29,578 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 64 transitions, 486 flow [2021-03-25 14:39:29,578 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 64 transitions, 486 flow [2021-03-25 14:39:29,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 64 transitions, 486 flow [2021-03-25 14:39:29,789 INFO L129 PetriNetUnfolder]: 958/1815 cut-off events. [2021-03-25 14:39:29,789 INFO L130 PetriNetUnfolder]: For 8361/9953 co-relation queries the response was YES. [2021-03-25 14:39:29,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8010 conditions, 1815 events. 958/1815 cut-off events. For 8361/9953 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 13958 event pairs, 174 based on Foata normal form. 20/1479 useless extension candidates. Maximal degree in co-relation 7979. Up to 1276 conditions per place. [2021-03-25 14:39:29,823 INFO L142 LiptonReduction]: Number of co-enabled transitions 1176 [2021-03-25 14:39:29,895 INFO L154 LiptonReduction]: Checked pairs total: 320 [2021-03-25 14:39:29,895 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:39:29,895 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 317 [2021-03-25 14:39:29,897 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 64 transitions, 486 flow [2021-03-25 14:39:29,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:29,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:29,898 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:39:29,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 14:39:29,898 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:29,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:29,898 INFO L82 PathProgramCache]: Analyzing trace with hash -755588548, now seen corresponding path program 1 times [2021-03-25 14:39:29,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:29,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071392877] [2021-03-25 14:39:29,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:39:29,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:29,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:39:29,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:29,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:39:29,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:29,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:39:29,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:29,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:39:29,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:29,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:39:29,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:39:29,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071392877] [2021-03-25 14:39:29,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:39:29,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:39:29,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293993677] [2021-03-25 14:39:29,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:39:29,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:39:29,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:39:29,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:39:29,978 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 198 [2021-03-25 14:39:29,979 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 64 transitions, 486 flow. Second operand has 6 states, 6 states have (on average 163.83333333333334) internal successors, (983), 6 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:29,979 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:39:29,979 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 198 [2021-03-25 14:39:29,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:39:30,264 INFO L129 PetriNetUnfolder]: 725/1451 cut-off events. [2021-03-25 14:39:30,264 INFO L130 PetriNetUnfolder]: For 7518/14116 co-relation queries the response was YES. [2021-03-25 14:39:30,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7406 conditions, 1451 events. 725/1451 cut-off events. For 7518/14116 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 11002 event pairs, 20 based on Foata normal form. 596/1749 useless extension candidates. Maximal degree in co-relation 7373. Up to 1036 conditions per place. [2021-03-25 14:39:30,278 INFO L132 encePairwiseOnDemand]: 191/198 looper letters, 6 selfloop transitions, 28 changer transitions 4/72 dead transitions. [2021-03-25 14:39:30,280 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 72 transitions, 632 flow [2021-03-25 14:39:30,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 14:39:30,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 14:39:30,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1507 transitions. [2021-03-25 14:39:30,283 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.845679012345679 [2021-03-25 14:39:30,283 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1507 transitions. [2021-03-25 14:39:30,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1507 transitions. [2021-03-25 14:39:30,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:39:30,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1507 transitions. [2021-03-25 14:39:30,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 167.44444444444446) internal successors, (1507), 9 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:30,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 198.0) internal successors, (1980), 10 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:30,301 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 198.0) internal successors, (1980), 10 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:30,301 INFO L185 Difference]: Start difference. First operand has 77 places, 64 transitions, 486 flow. Second operand 9 states and 1507 transitions. [2021-03-25 14:39:30,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 72 transitions, 632 flow [2021-03-25 14:39:30,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 72 transitions, 611 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-03-25 14:39:30,316 INFO L241 Difference]: Finished difference. Result has 83 places, 68 transitions, 587 flow [2021-03-25 14:39:30,316 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=587, PETRI_PLACES=83, PETRI_TRANSITIONS=68} [2021-03-25 14:39:30,316 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 29 predicate places. [2021-03-25 14:39:30,316 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:30,317 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 68 transitions, 587 flow [2021-03-25 14:39:30,317 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 68 transitions, 587 flow [2021-03-25 14:39:30,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 68 transitions, 587 flow [2021-03-25 14:39:30,442 INFO L129 PetriNetUnfolder]: 653/1355 cut-off events. [2021-03-25 14:39:30,442 INFO L130 PetriNetUnfolder]: For 9530/11865 co-relation queries the response was YES. [2021-03-25 14:39:30,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7458 conditions, 1355 events. 653/1355 cut-off events. For 9530/11865 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 10721 event pairs, 20 based on Foata normal form. 20/1077 useless extension candidates. Maximal degree in co-relation 7425. Up to 940 conditions per place. [2021-03-25 14:39:30,469 INFO L142 LiptonReduction]: Number of co-enabled transitions 1252 [2021-03-25 14:39:30,641 INFO L154 LiptonReduction]: Checked pairs total: 749 [2021-03-25 14:39:30,642 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 14:39:30,642 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 326 [2021-03-25 14:39:30,643 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 65 transitions, 561 flow [2021-03-25 14:39:30,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 163.83333333333334) internal successors, (983), 6 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:30,643 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:30,643 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] [2021-03-25 14:39:30,643 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 14:39:30,643 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:30,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:30,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1525483821, now seen corresponding path program 1 times [2021-03-25 14:39:30,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:30,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291028154] [2021-03-25 14:39:30,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:39:30,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:30,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:39:30,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:30,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:39:30,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:30,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:39:30,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:30,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:39:30,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:30,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:39:30,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:30,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:39:30,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:39:30,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291028154] [2021-03-25 14:39:30,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:39:30,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:39:30,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320062876] [2021-03-25 14:39:30,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:39:30,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:39:30,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:39:30,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:39:30,727 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 198 [2021-03-25 14:39:30,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 65 transitions, 561 flow. Second operand has 7 states, 7 states have (on average 163.85714285714286) internal successors, (1147), 7 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:30,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:39:30,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 198 [2021-03-25 14:39:30,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:39:30,854 INFO L129 PetriNetUnfolder]: 212/484 cut-off events. [2021-03-25 14:39:30,854 INFO L130 PetriNetUnfolder]: For 3337/4398 co-relation queries the response was YES. [2021-03-25 14:39:30,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2784 conditions, 484 events. 212/484 cut-off events. For 3337/4398 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 2841 event pairs, 0 based on Foata normal form. 181/582 useless extension candidates. Maximal degree in co-relation 2749. Up to 377 conditions per place. [2021-03-25 14:39:30,859 INFO L132 encePairwiseOnDemand]: 191/198 looper letters, 2 selfloop transitions, 18 changer transitions 8/58 dead transitions. [2021-03-25 14:39:30,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 58 transitions, 533 flow [2021-03-25 14:39:30,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 14:39:30,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 14:39:30,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1330 transitions. [2021-03-25 14:39:30,862 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8396464646464646 [2021-03-25 14:39:30,862 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1330 transitions. [2021-03-25 14:39:30,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1330 transitions. [2021-03-25 14:39:30,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:39:30,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1330 transitions. [2021-03-25 14:39:30,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 166.25) internal successors, (1330), 8 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:30,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 198.0) internal successors, (1782), 9 states have internal predecessors, (1782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:30,868 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 198.0) internal successors, (1782), 9 states have internal predecessors, (1782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:30,868 INFO L185 Difference]: Start difference. First operand has 83 places, 65 transitions, 561 flow. Second operand 8 states and 1330 transitions. [2021-03-25 14:39:30,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 58 transitions, 533 flow [2021-03-25 14:39:30,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 58 transitions, 440 flow, removed 38 selfloop flow, removed 8 redundant places. [2021-03-25 14:39:30,876 INFO L241 Difference]: Finished difference. Result has 77 places, 50 transitions, 384 flow [2021-03-25 14:39:30,876 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=384, PETRI_PLACES=77, PETRI_TRANSITIONS=50} [2021-03-25 14:39:30,877 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 23 predicate places. [2021-03-25 14:39:30,877 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:30,877 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 50 transitions, 384 flow [2021-03-25 14:39:30,877 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 50 transitions, 384 flow [2021-03-25 14:39:30,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 50 transitions, 384 flow [2021-03-25 14:39:30,889 INFO L129 PetriNetUnfolder]: 49/133 cut-off events. [2021-03-25 14:39:30,889 INFO L130 PetriNetUnfolder]: For 352/418 co-relation queries the response was YES. [2021-03-25 14:39:30,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 133 events. 49/133 cut-off events. For 352/418 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 561 event pairs, 0 based on Foata normal form. 5/125 useless extension candidates. Maximal degree in co-relation 552. Up to 56 conditions per place. [2021-03-25 14:39:30,893 INFO L142 LiptonReduction]: Number of co-enabled transitions 404 [2021-03-25 14:39:31,229 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-25 14:39:31,396 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-25 14:39:32,051 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 184 [2021-03-25 14:39:32,254 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-03-25 14:39:33,589 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 339 DAG size of output: 260 [2021-03-25 14:39:34,057 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2021-03-25 14:39:34,326 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-25 14:39:34,572 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-25 14:39:35,030 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-03-25 14:39:35,522 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-03-25 14:39:35,532 INFO L154 LiptonReduction]: Checked pairs total: 472 [2021-03-25 14:39:35,533 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-25 14:39:35,533 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4656 [2021-03-25 14:39:35,533 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 44 transitions, 368 flow [2021-03-25 14:39:35,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 163.85714285714286) internal successors, (1147), 7 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:35,534 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:35,534 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:39:35,534 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-25 14:39:35,534 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:35,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:35,534 INFO L82 PathProgramCache]: Analyzing trace with hash -2134593978, now seen corresponding path program 1 times [2021-03-25 14:39:35,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:35,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363584071] [2021-03-25 14:39:35,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:39:35,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:35,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:39:35,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:35,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:39:35,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:39:35,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:39:35,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:39:35,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363584071] [2021-03-25 14:39:35,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:39:35,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:39:35,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205779793] [2021-03-25 14:39:35,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:39:35,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:39:35,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:39:35,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:39:35,576 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 206 [2021-03-25 14:39:35,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 44 transitions, 368 flow. Second operand has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:35,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:39:35,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 206 [2021-03-25 14:39:35,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:39:35,612 INFO L129 PetriNetUnfolder]: 87/194 cut-off events. [2021-03-25 14:39:35,612 INFO L130 PetriNetUnfolder]: For 1279/1401 co-relation queries the response was YES. [2021-03-25 14:39:35,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 852 conditions, 194 events. 87/194 cut-off events. For 1279/1401 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 837 event pairs, 0 based on Foata normal form. 9/182 useless extension candidates. Maximal degree in co-relation 819. Up to 78 conditions per place. [2021-03-25 14:39:35,614 INFO L132 encePairwiseOnDemand]: 203/206 looper letters, 3 selfloop transitions, 1 changer transitions 9/45 dead transitions. [2021-03-25 14:39:35,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 45 transitions, 380 flow [2021-03-25 14:39:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:39:35,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:39:35,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 718 transitions. [2021-03-25 14:39:35,617 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8713592233009708 [2021-03-25 14:39:35,618 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 718 transitions. [2021-03-25 14:39:35,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 718 transitions. [2021-03-25 14:39:35,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:39:35,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 718 transitions. [2021-03-25 14:39:35,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 179.5) internal successors, (718), 4 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:35,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:35,622 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:35,622 INFO L185 Difference]: Start difference. First operand has 70 places, 44 transitions, 368 flow. Second operand 4 states and 718 transitions. [2021-03-25 14:39:35,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 45 transitions, 380 flow [2021-03-25 14:39:35,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 45 transitions, 297 flow, removed 20 selfloop flow, removed 13 redundant places. [2021-03-25 14:39:35,626 INFO L241 Difference]: Finished difference. Result has 62 places, 36 transitions, 222 flow [2021-03-25 14:39:35,626 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=222, PETRI_PLACES=62, PETRI_TRANSITIONS=36} [2021-03-25 14:39:35,626 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 8 predicate places. [2021-03-25 14:39:35,626 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:39:35,626 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 36 transitions, 222 flow [2021-03-25 14:39:35,627 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 36 transitions, 222 flow [2021-03-25 14:39:35,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 36 transitions, 222 flow [2021-03-25 14:39:35,635 INFO L129 PetriNetUnfolder]: 43/105 cut-off events. [2021-03-25 14:39:35,635 INFO L130 PetriNetUnfolder]: For 286/305 co-relation queries the response was YES. [2021-03-25 14:39:35,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 105 events. 43/105 cut-off events. For 286/305 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 369 event pairs, 0 based on Foata normal form. 3/100 useless extension candidates. Maximal degree in co-relation 314. Up to 34 conditions per place. [2021-03-25 14:39:35,636 INFO L142 LiptonReduction]: Number of co-enabled transitions 168 [2021-03-25 14:39:35,816 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 14:39:36,256 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-25 14:39:36,391 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 14:39:36,514 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-03-25 14:39:36,763 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 89 [2021-03-25 14:39:36,948 INFO L154 LiptonReduction]: Checked pairs total: 18 [2021-03-25 14:39:36,948 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 14:39:36,949 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1323 [2021-03-25 14:39:36,949 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 35 transitions, 225 flow [2021-03-25 14:39:36,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:39:36,949 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:39:36,949 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:39:36,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-25 14:39:36,950 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:39:36,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:39:36,950 INFO L82 PathProgramCache]: Analyzing trace with hash -74248992, now seen corresponding path program 1 times [2021-03-25 14:39:36,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:39:36,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707981029] [2021-03-25 14:39:36,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:39:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 14:39:36,971 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 14:39:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 14:39:36,995 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 14:39:37,021 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 14:39:37,021 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 14:39:37,021 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-25 14:39:37,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 02:39:37 BasicIcfg [2021-03-25 14:39:37,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 14:39:37,098 INFO L168 Benchmark]: Toolchain (without parser) took 28748.64 ms. Allocated memory was 255.9 MB in the beginning and 692.1 MB in the end (delta: 436.2 MB). Free memory was 233.4 MB in the beginning and 445.9 MB in the end (delta: -212.5 MB). Peak memory consumption was 223.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:39:37,098 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 14:39:37,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.54 ms. Allocated memory was 255.9 MB in the beginning and 369.1 MB in the end (delta: 113.2 MB). Free memory was 233.4 MB in the beginning and 328.8 MB in the end (delta: -95.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-25 14:39:37,098 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.54 ms. Allocated memory is still 369.1 MB. Free memory was 328.8 MB in the beginning and 326.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:39:37,099 INFO L168 Benchmark]: Boogie Preprocessor took 27.02 ms. Allocated memory is still 369.1 MB. Free memory was 326.1 MB in the beginning and 323.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:39:37,099 INFO L168 Benchmark]: RCFGBuilder took 1788.66 ms. Allocated memory is still 369.1 MB. Free memory was 323.7 MB in the beginning and 275.0 MB in the end (delta: 48.7 MB). Peak memory consumption was 49.9 MB. Max. memory is 16.0 GB. [2021-03-25 14:39:37,099 INFO L168 Benchmark]: TraceAbstraction took 26394.10 ms. Allocated memory was 369.1 MB in the beginning and 692.1 MB in the end (delta: 323.0 MB). Free memory was 273.9 MB in the beginning and 445.9 MB in the end (delta: -172.0 MB). Peak memory consumption was 151.0 MB. Max. memory is 16.0 GB. [2021-03-25 14:39:37,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 469.54 ms. Allocated memory was 255.9 MB in the beginning and 369.1 MB in the end (delta: 113.2 MB). Free memory was 233.4 MB in the beginning and 328.8 MB in the end (delta: -95.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 64.54 ms. Allocated memory is still 369.1 MB. Free memory was 328.8 MB in the beginning and 326.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.02 ms. Allocated memory is still 369.1 MB. Free memory was 326.1 MB in the beginning and 323.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1788.66 ms. Allocated memory is still 369.1 MB. Free memory was 323.7 MB in the beginning and 275.0 MB in the end (delta: 48.7 MB). Peak memory consumption was 49.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 26394.10 ms. Allocated memory was 369.1 MB in the beginning and 692.1 MB in the end (delta: 323.0 MB). Free memory was 273.9 MB in the beginning and 445.9 MB in the end (delta: -172.0 MB). Peak memory consumption was 151.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8619.9ms, 119 PlacesBefore, 54 PlacesAfterwards, 108 TransitionsBefore, 42 TransitionsAfterwards, 2406 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 75 TotalNumberOfCompositions, 4010 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2326, positive: 2230, positive conditional: 0, positive unconditional: 2230, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1598, positive: 1564, positive conditional: 0, positive unconditional: 1564, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1598, positive: 1564, positive conditional: 0, positive unconditional: 1564, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1598, positive: 1545, positive conditional: 0, positive unconditional: 1545, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 630, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 554, negative conditional: 0, negative unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2326, positive: 666, positive conditional: 0, positive unconditional: 666, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 1598, unknown conditional: 0, unknown unconditional: 1598] , Statistics on independence cache: Total cache size (in pairs): 213, Positive cache size: 199, Positive conditional cache size: 0, Positive unconditional cache size: 199, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3460.1ms, 50 PlacesBefore, 38 PlacesAfterwards, 35 TransitionsBefore, 27 TransitionsAfterwards, 362 CoEnabledTransitionPairs, 3 FixpointIterations, 6 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 1154 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 467, positive: 398, positive conditional: 0, positive unconditional: 398, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 72, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 72, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 294, negative conditional: 0, negative unconditional: 294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 467, positive: 346, positive conditional: 0, positive unconditional: 346, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 72, unknown conditional: 0, unknown unconditional: 72] , Statistics on independence cache: Total cache size (in pairs): 237, Positive cache size: 209, Positive conditional cache size: 0, Positive unconditional cache size: 209, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1018.2ms, 39 PlacesBefore, 37 PlacesAfterwards, 29 TransitionsBefore, 27 TransitionsAfterwards, 356 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 996 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 348, positive: 288, positive conditional: 0, positive unconditional: 288, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 348, positive: 286, positive conditional: 0, positive unconditional: 286, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 239, Positive cache size: 211, Positive conditional cache size: 0, Positive unconditional cache size: 211, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27.7ms, 39 PlacesBefore, 39 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 394 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 280 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 76, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 76, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 241, Positive cache size: 211, Positive conditional cache size: 0, Positive unconditional cache size: 211, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.0ms, 41 PlacesBefore, 41 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 394 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 316 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 102, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 102, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 248, Positive cache size: 218, Positive conditional cache size: 0, Positive unconditional cache size: 218, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.0ms, 43 PlacesBefore, 43 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 428 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 260 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 77, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , 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: 33, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 77, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 221, Positive conditional cache size: 0, Positive unconditional cache size: 221, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 758.6ms, 47 PlacesBefore, 47 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 474 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 435 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 124, positive: 102, positive conditional: 0, positive unconditional: 102, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 124, positive: 98, positive conditional: 0, positive unconditional: 98, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 249, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.4ms, 50 PlacesBefore, 50 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 510 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 195 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 54, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 250, Positive cache size: 226, Positive conditional cache size: 0, Positive unconditional cache size: 226, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.0ms, 53 PlacesBefore, 53 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 548 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 242 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 52, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 52, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 228, Positive conditional cache size: 0, Positive unconditional cache size: 228, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.8ms, 55 PlacesBefore, 55 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 612 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 291 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 85, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 85, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 228, Positive conditional cache size: 0, Positive unconditional cache size: 228, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.9ms, 59 PlacesBefore, 59 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 652 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 351 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 82, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 82, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 228, Positive conditional cache size: 0, Positive unconditional cache size: 228, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.2ms, 64 PlacesBefore, 64 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 397 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 110, positive: 92, positive conditional: 0, positive unconditional: 92, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 110, positive: 92, positive conditional: 0, positive unconditional: 92, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 228, Positive conditional cache size: 0, Positive unconditional cache size: 228, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 187.8ms, 66 PlacesBefore, 66 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 970 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 202 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 41, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 41, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 256, Positive cache size: 232, Positive conditional cache size: 0, Positive unconditional cache size: 232, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 212.9ms, 71 PlacesBefore, 71 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 968 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 171 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 256, Positive cache size: 232, Positive conditional cache size: 0, Positive unconditional cache size: 232, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 155.0ms, 77 PlacesBefore, 77 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 1176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 240 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 34, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 34, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 257, Positive cache size: 233, Positive conditional cache size: 0, Positive unconditional cache size: 233, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 316.8ms, 77 PlacesBefore, 77 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 1176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 320 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 53, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 53, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 258, Positive cache size: 234, Positive conditional cache size: 0, Positive unconditional cache size: 234, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 325.0ms, 83 PlacesBefore, 83 PlacesAfterwards, 68 TransitionsBefore, 65 TransitionsAfterwards, 1252 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 749 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 178, positive: 160, positive conditional: 0, positive unconditional: 160, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 178, positive: 158, positive conditional: 0, positive unconditional: 158, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 238, Positive cache size: 218, Positive conditional cache size: 0, Positive unconditional cache size: 218, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4655.4ms, 77 PlacesBefore, 70 PlacesAfterwards, 50 TransitionsBefore, 44 TransitionsAfterwards, 404 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 472 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 269, positive: 247, positive conditional: 0, positive unconditional: 247, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 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: 269, positive: 232, positive conditional: 0, positive unconditional: 232, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 17, unknown conditional: 0, unknown unconditional: 17] , Statistics on independence cache: Total cache size (in pairs): 115, Positive cache size: 108, Positive conditional cache size: 0, Positive unconditional cache size: 108, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1321.8ms, 62 PlacesBefore, 56 PlacesAfterwards, 36 TransitionsBefore, 35 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 4 FixpointIterations, 1 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 18 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 18, positive conditional: 0, positive unconditional: 18, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 75, Positive conditional cache size: 0, Positive unconditional cache size: 75, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p3_EAX = 0; [L714] 0 int a = 0; [L715] 0 _Bool main$tmp_guard0; [L716] 0 _Bool main$tmp_guard1; [L718] 0 int x = 0; [L720] 0 int y = 0; [L722] 0 int z = 0; [L723] 0 _Bool z$flush_delayed; [L724] 0 int z$mem_tmp; [L725] 0 _Bool z$r_buff0_thd0; [L726] 0 _Bool z$r_buff0_thd1; [L727] 0 _Bool z$r_buff0_thd2; [L728] 0 _Bool z$r_buff0_thd3; [L729] 0 _Bool z$r_buff0_thd4; [L730] 0 _Bool z$r_buff1_thd0; [L731] 0 _Bool z$r_buff1_thd1; [L732] 0 _Bool z$r_buff1_thd2; [L733] 0 _Bool z$r_buff1_thd3; [L734] 0 _Bool z$r_buff1_thd4; [L735] 0 _Bool z$read_delayed; [L736] 0 int *z$read_delayed_var; [L737] 0 int z$w_buff0; [L738] 0 _Bool z$w_buff0_used; [L739] 0 int z$w_buff1; [L740] 0 _Bool z$w_buff1_used; [L741] 0 _Bool weak$$choice0; [L742] 0 _Bool weak$$choice2; [L834] 0 pthread_t t1517; [L835] FCALL, FORK 0 pthread_create(&t1517, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L836] 0 pthread_t t1518; [L837] FCALL, FORK 0 pthread_create(&t1518, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L838] 0 pthread_t t1519; [L839] FCALL, FORK 0 pthread_create(&t1519, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=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, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L840] 0 pthread_t t1520; [L841] FCALL, FORK 0 pthread_create(&t1520, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=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, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L796] 4 z$w_buff1 = z$w_buff0 [L797] 4 z$w_buff0 = 2 [L798] 4 z$w_buff1_used = z$w_buff0_used [L799] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L801] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L802] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L803] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L804] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L805] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L806] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L809] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=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, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L746] 1 a = 1 [L749] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=1, 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, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L761] 2 x = 2 [L764] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, 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, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L776] 3 y = 2 [L779] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, 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, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L782] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L782] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L782] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L783] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L783] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L784] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L784] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L785] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L785] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L786] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L786] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L754] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L756] 1 return 0; [L769] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L771] 2 return 0; [L789] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L791] 3 return 0; [L812] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L812] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L813] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L813] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L814] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L814] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L815] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L815] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L816] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L816] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L819] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L821] 4 return 0; [L843] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L847] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L847] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L848] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L848] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L849] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L850] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L850] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L851] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L851] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L854] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L855] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L856] 0 z$flush_delayed = weak$$choice2 [L857] 0 z$mem_tmp = z [L858] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L858] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L859] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L859] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0) [L859] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L859] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L860] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L860] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L860] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L860] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L861] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L861] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used) [L861] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L861] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L862] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L862] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L862] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L862] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L863] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L863] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0) [L863] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L863] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L864] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L864] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L864] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L864] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L865] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 0) [L866] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L866] 0 z = z$flush_delayed ? z$mem_tmp : z [L867] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 111 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 26181.9ms, OverallIterations: 19, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2676.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8692.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 64 SDtfs, 29 SDslu, 25 SDs, 0 SdLazy, 416 SolverSat, 131 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 502.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 504.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=587occurred in iteration=16, InterpolantAutomatonStates: 86, 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: 64.2ms SsaConstructionTime, 548.7ms SatisfiabilityAnalysisTime, 1181.3ms InterpolantComputationTime, 320 NumberOfCodeBlocks, 320 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 1633 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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...