/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix030_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 15:42:43,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 15:42:43,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 15:42:43,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 15:42:43,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 15:42:43,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 15:42:43,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 15:42:43,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 15:42:43,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 15:42:43,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 15:42:43,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 15:42:43,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 15:42:43,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 15:42:43,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 15:42:43,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 15:42:43,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 15:42:43,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 15:42:43,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 15:42:43,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 15:42:43,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 15:42:43,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 15:42:43,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 15:42:43,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 15:42:43,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 15:42:43,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-11 15:42:43,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 15:42:43,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 15:42:43,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 15:42:43,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 15:42:43,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 15:42:43,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 15:42:43,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 15:42:43,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 15:42:43,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 15:42:43,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 15:42:43,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 15:42:43,691 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-06-11 15:42:43,718 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 15:42:43,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 15:42:43,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 15:42:43,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 15:42:43,719 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 15:42:43,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 15:42:43,719 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 15:42:43,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 15:42:43,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 15:42:43,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 15:42:43,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 15:42:43,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 15:42:43,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 15:42:43,720 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 15:42:43,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 15:42:43,721 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 15:42:43,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 15:42:43,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 15:42:43,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 15:42:43,721 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 15:42:43,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 15:42:43,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 15:42:43,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 15:42:43,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 15:42:43,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 15:42:43,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 15:42:43,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 15:42:43,722 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 15:42:43,722 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 15:42:43,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 15:42:43,723 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 15:42:44,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 15:42:44,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 15:42:44,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 15:42:44,036 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 15:42:44,036 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 15:42:44,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix030_power.opt.i [2021-06-11 15:42:44,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84a3fa957/df1cad25635447a181fb1acdaf955720/FLAGe233a0042 [2021-06-11 15:42:44,606 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 15:42:44,606 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_power.opt.i [2021-06-11 15:42:44,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84a3fa957/df1cad25635447a181fb1acdaf955720/FLAGe233a0042 [2021-06-11 15:42:45,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84a3fa957/df1cad25635447a181fb1acdaf955720 [2021-06-11 15:42:45,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 15:42:45,123 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 15:42:45,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 15:42:45,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 15:42:45,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 15:42:45,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 03:42:45" (1/1) ... [2021-06-11 15:42:45,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d6dd25e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:42:45, skipping insertion in model container [2021-06-11 15:42:45,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 03:42:45" (1/1) ... [2021-06-11 15:42:45,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 15:42:45,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 15:42:45,305 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/mix030_power.opt.i[950,963] [2021-06-11 15:42:45,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 15:42:45,494 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 15:42:45,504 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/mix030_power.opt.i[950,963] [2021-06-11 15:42:45,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 15:42:45,647 INFO L208 MainTranslator]: Completed translation [2021-06-11 15:42:45,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:42:45 WrapperNode [2021-06-11 15:42:45,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 15:42:45,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 15:42:45,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 15:42:45,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 15:42:45,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:42:45" (1/1) ... [2021-06-11 15:42:45,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:42:45" (1/1) ... [2021-06-11 15:42:45,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 15:42:45,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 15:42:45,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 15:42:45,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 15:42:45,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:42:45" (1/1) ... [2021-06-11 15:42:45,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:42:45" (1/1) ... [2021-06-11 15:42:45,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:42:45" (1/1) ... [2021-06-11 15:42:45,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:42:45" (1/1) ... [2021-06-11 15:42:45,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:42:45" (1/1) ... [2021-06-11 15:42:45,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:42:45" (1/1) ... [2021-06-11 15:42:45,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:42:45" (1/1) ... [2021-06-11 15:42:45,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 15:42:45,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 15:42:45,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 15:42:45,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 15:42:45,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:42:45" (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 [2021-06-11 15:42:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 15:42:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 15:42:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 15:42:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 15:42:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 15:42:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 15:42:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 15:42:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 15:42:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 15:42:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 15:42:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-11 15:42:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-11 15:42:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 15:42:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 15:42:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 15:42:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 15:42:45,844 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 15:42:47,519 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 15:42:47,520 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-11 15:42:47,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 03:42:47 BoogieIcfgContainer [2021-06-11 15:42:47,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 15:42:47,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 15:42:47,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 15:42:47,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 15:42:47,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 03:42:45" (1/3) ... [2021-06-11 15:42:47,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a96d96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 03:42:47, skipping insertion in model container [2021-06-11 15:42:47,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:42:45" (2/3) ... [2021-06-11 15:42:47,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a96d96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 03:42:47, skipping insertion in model container [2021-06-11 15:42:47,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 03:42:47" (3/3) ... [2021-06-11 15:42:47,528 INFO L111 eAbstractionObserver]: Analyzing ICFG mix030_power.opt.i [2021-06-11 15:42:47,535 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 15:42:47,539 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-11 15:42:47,540 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 15:42:47,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,578 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,578 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,579 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,579 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,580 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,580 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,580 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,580 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,586 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,586 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,586 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,586 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,586 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,586 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,587 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,587 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,587 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,587 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,587 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,587 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,587 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,587 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,588 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,588 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,588 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,588 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,589 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,589 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,589 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,589 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,589 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,589 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,589 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,589 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,590 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,590 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,590 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,590 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,591 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,591 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,592 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,592 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,597 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,599 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,599 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,599 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,605 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,605 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,607 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,607 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,607 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,607 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,607 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,607 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,607 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,608 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,608 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,608 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,609 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,609 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,609 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,609 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,610 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,611 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:42:47,612 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 15:42:47,629 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-11 15:42:47,657 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 15:42:47,658 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 15:42:47,658 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 15:42:47,658 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 15:42:47,658 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 15:42:47,658 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 15:42:47,658 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 15:42:47,658 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 15:42:47,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 250 flow [2021-06-11 15:42:47,720 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-06-11 15:42:47,720 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:42:47,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-06-11 15:42:47,733 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 115 transitions, 250 flow [2021-06-11 15:42:47,737 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 111 transitions, 234 flow [2021-06-11 15:42:47,739 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:42:47,752 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 111 transitions, 234 flow [2021-06-11 15:42:47,755 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 111 transitions, 234 flow [2021-06-11 15:42:47,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 111 transitions, 234 flow [2021-06-11 15:42:47,791 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-06-11 15:42:47,791 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:42:47,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-06-11 15:42:47,797 INFO L151 LiptonReduction]: Number of co-enabled transitions 2630 [2021-06-11 15:42:48,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:48,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:42:48,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:42:48,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:48,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:48,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:48,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:48,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:48,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:48,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:48,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:48,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:48,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:48,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:42:48,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:42:48,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:48,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:48,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:48,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:48,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,722 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 15:42:48,723 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:42:48,749 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:48,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:48,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:48,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:48,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:48,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:48,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:49,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:49,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:42:49,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:42:49,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:49,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:49,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:49,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:42:49,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:42:49,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:49,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:49,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:49,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:42:49,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:42:49,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:49,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:49,692 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 15:42:49,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:49,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:49,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:49,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:49,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:49,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:49,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:49,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:49,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:50,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:50,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:50,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:50,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:50,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:50,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:50,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:50,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:50,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:50,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:50,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:50,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:50,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:50,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:50,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:50,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:50,582 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-11 15:42:50,984 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-06-11 15:42:51,128 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-06-11 15:42:51,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:51,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 15:42:51,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:51,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,177 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 2, 1] term [2021-06-11 15:42:51,177 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:42:51,180 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,182 INFO L147 QuantifierPusher]: treesize reduction 39, result has 69.0 percent of original size 87 [2021-06-11 15:42:51,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:51,186 INFO L142 QuantifierPusher]: treesize reduction 39, result has 75.6 percent of original size [2021-06-11 15:42:51,187 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 4, 2, 1] term [2021-06-11 15:42:51,189 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:42:51,193 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,195 INFO L147 QuantifierPusher]: treesize reduction 100, result has 38.7 percent of original size 63 [2021-06-11 15:42:51,196 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 3, 4, 2, 1] term [2021-06-11 15:42:51,196 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:42:51,198 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,202 INFO L147 QuantifierPusher]: treesize reduction 176, result has 33.3 percent of original size 88 [2021-06-11 15:42:51,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:51,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:51,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:42:51,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:42:51,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:51,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:51,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:51,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:51,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:51,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:42:51,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:42:51,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,864 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-11 15:42:51,951 INFO L142 QuantifierPusher]: treesize reduction 84, result has 91.3 percent of original size [2021-06-11 15:42:51,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:51,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,968 INFO L147 QuantifierPusher]: treesize reduction 13, result has 82.4 percent of original size 61 [2021-06-11 15:42:51,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:51,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 15:42:51,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:51,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 15:42:51,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:51,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 15:42:51,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:51,988 INFO L142 QuantifierPusher]: treesize reduction 13, result has 92.7 percent of original size [2021-06-11 15:42:51,989 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 2, 2, 4, 3, 2, 1] term [2021-06-11 15:42:51,989 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:42:51,991 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,992 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 3, 2, 1] term [2021-06-11 15:42:51,992 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:42:51,996 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:51,997 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 2, 2, 1] term [2021-06-11 15:42:51,997 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:42:52,001 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,005 INFO L147 QuantifierPusher]: treesize reduction 148, result has 52.1 percent of original size 161 [2021-06-11 15:42:52,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:52,008 INFO L142 QuantifierPusher]: treesize reduction 148, result has 64.3 percent of original size [2021-06-11 15:42:52,008 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 4, 4, 2, 2, 1] term [2021-06-11 15:42:52,009 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:42:52,011 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,011 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 4, 4, 2, 2, 1] term [2021-06-11 15:42:52,012 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:42:52,013 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,014 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 4, 4, 2, 2, 1] term [2021-06-11 15:42:52,014 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:42:52,015 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,019 INFO L147 QuantifierPusher]: treesize reduction 459, result has 26.3 percent of original size 164 [2021-06-11 15:42:52,020 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 4, 3, 4, 4, 4, 4, 3, 4, 2, 2, 1] term [2021-06-11 15:42:52,020 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:42:52,021 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,022 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 4, 3, 4, 4, 4, 4, 3, 4, 2, 2, 1] term [2021-06-11 15:42:52,023 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:42:52,024 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,025 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 4, 3, 4, 4, 4, 4, 3, 4, 2, 2, 1] term [2021-06-11 15:42:52,025 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:42:52,026 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:52,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,033 INFO L147 QuantifierPusher]: treesize reduction 36, result has 2.7 percent of original size 1 [2021-06-11 15:42:52,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:52,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:52,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:52,037 INFO L142 QuantifierPusher]: treesize reduction 38, result has 71.0 percent of original size [2021-06-11 15:42:52,040 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.2 percent of original size 55 [2021-06-11 15:42:52,047 INFO L147 QuantifierPusher]: treesize reduction 1935, result has 7.6 percent of original size 160 [2021-06-11 15:42:52,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:52,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:52,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:52,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:52,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:52,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 15:42:52,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:42:52,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:52,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:52,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 15:42:52,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 15:42:52,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:52,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 15:42:52,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 15:42:52,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:52,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:52,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:52,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:42:52,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:42:52,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:52,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:52,986 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-11 15:42:53,094 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-11 15:42:53,205 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-11 15:42:53,322 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-11 15:42:53,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:53,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:53,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:53,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:42:53,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:42:53,670 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-06-11 15:42:53,832 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-06-11 15:42:54,147 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-06-11 15:42:54,286 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-06-11 15:42:54,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:54,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:42:54,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:54,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:42:54,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:42:54,332 INFO L163 LiptonReduction]: Checked pairs total: 8174 [2021-06-11 15:42:54,332 INFO L165 LiptonReduction]: Total number of compositions: 98 [2021-06-11 15:42:54,334 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6596 [2021-06-11 15:42:54,342 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-06-11 15:42:54,342 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:42:54,342 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:42:54,343 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:42:54,343 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:42:54,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:42:54,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1689780489, now seen corresponding path program 1 times [2021-06-11 15:42:54,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:42:54,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819933747] [2021-06-11 15:42:54,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:42:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:42:54,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:54,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:42:54,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:42:54,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819933747] [2021-06-11 15:42:54,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:42:54,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 15:42:54,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101718857] [2021-06-11 15:42:54,508 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 15:42:54,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:42:54,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 15:42:54,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 15:42:54,524 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 213 [2021-06-11 15:42:54,529 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 34 transitions, 80 flow. Second operand has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:42:54,529 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:42:54,529 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 213 [2021-06-11 15:42:54,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:42:54,606 INFO L129 PetriNetUnfolder]: 49/140 cut-off events. [2021-06-11 15:42:54,606 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:42:54,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 140 events. 49/140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 598 event pairs, 27 based on Foata normal form. 23/141 useless extension candidates. Maximal degree in co-relation 228. Up to 65 conditions per place. [2021-06-11 15:42:54,610 INFO L132 encePairwiseOnDemand]: 208/213 looper letters, 9 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2021-06-11 15:42:54,610 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 35 transitions, 104 flow [2021-06-11 15:42:54,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 15:42:54,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 15:42:54,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions. [2021-06-11 15:42:54,628 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607198748043818 [2021-06-11 15:42:54,629 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 550 transitions. [2021-06-11 15:42:54,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 550 transitions. [2021-06-11 15:42:54,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:42:54,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 550 transitions. [2021-06-11 15:42:54,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:42:54,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:42:54,644 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:42:54,646 INFO L185 Difference]: Start difference. First operand has 46 places, 34 transitions, 80 flow. Second operand 3 states and 550 transitions. [2021-06-11 15:42:54,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 35 transitions, 104 flow [2021-06-11 15:42:54,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 35 transitions, 100 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 15:42:54,649 INFO L241 Difference]: Finished difference. Result has 42 places, 31 transitions, 74 flow [2021-06-11 15:42:54,650 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=42, PETRI_TRANSITIONS=31} [2021-06-11 15:42:54,651 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -4 predicate places. [2021-06-11 15:42:54,651 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:42:54,651 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 31 transitions, 74 flow [2021-06-11 15:42:54,651 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 31 transitions, 74 flow [2021-06-11 15:42:54,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 31 transitions, 74 flow [2021-06-11 15:42:54,656 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-06-11 15:42:54,656 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:42:54,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 31 events. 0/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 55 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 15:42:54,657 INFO L151 LiptonReduction]: Number of co-enabled transitions 488 [2021-06-11 15:42:55,549 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 192 [2021-06-11 15:42:55,839 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-06-11 15:42:57,401 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-06-11 15:42:57,995 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-06-11 15:42:58,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:42:58,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:42:59,168 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 249 DAG size of output: 208 [2021-06-11 15:42:59,758 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-06-11 15:43:02,496 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 339 DAG size of output: 293 [2021-06-11 15:43:03,773 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 289 [2021-06-11 15:43:04,231 INFO L163 LiptonReduction]: Checked pairs total: 1094 [2021-06-11 15:43:04,232 INFO L165 LiptonReduction]: Total number of compositions: 2 [2021-06-11 15:43:04,232 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9581 [2021-06-11 15:43:04,233 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 72 flow [2021-06-11 15:43:04,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:04,233 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:04,233 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:43:04,234 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 15:43:04,234 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:04,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:04,234 INFO L82 PathProgramCache]: Analyzing trace with hash -272401250, now seen corresponding path program 1 times [2021-06-11 15:43:04,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:04,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446109353] [2021-06-11 15:43:04,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:04,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:04,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:43:04,342 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-11 15:43:04,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 15:43:04,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:04,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446109353] [2021-06-11 15:43:04,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:04,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 15:43:04,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204925173] [2021-06-11 15:43:04,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 15:43:04,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:04,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 15:43:04,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 15:43:04,362 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 215 [2021-06-11 15:43:04,363 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:04,363 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:04,363 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 215 [2021-06-11 15:43:04,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:04,418 INFO L129 PetriNetUnfolder]: 14/64 cut-off events. [2021-06-11 15:43:04,418 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:43:04,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 64 events. 14/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 177 event pairs, 3 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 99. Up to 18 conditions per place. [2021-06-11 15:43:04,419 INFO L132 encePairwiseOnDemand]: 210/215 looper letters, 4 selfloop transitions, 3 changer transitions 8/38 dead transitions. [2021-06-11 15:43:04,419 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 38 transitions, 116 flow [2021-06-11 15:43:04,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 15:43:04,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 15:43:04,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 860 transitions. [2021-06-11 15:43:04,422 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8 [2021-06-11 15:43:04,422 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 860 transitions. [2021-06-11 15:43:04,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 860 transitions. [2021-06-11 15:43:04,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:04,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 860 transitions. [2021-06-11 15:43:04,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:04,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 215.0) internal successors, (1290), 6 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:04,428 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 215.0) internal successors, (1290), 6 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:04,428 INFO L185 Difference]: Start difference. First operand has 41 places, 30 transitions, 72 flow. Second operand 5 states and 860 transitions. [2021-06-11 15:43:04,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 38 transitions, 116 flow [2021-06-11 15:43:04,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 38 transitions, 112 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 15:43:04,429 INFO L241 Difference]: Finished difference. Result has 45 places, 30 transitions, 87 flow [2021-06-11 15:43:04,430 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=87, PETRI_PLACES=45, PETRI_TRANSITIONS=30} [2021-06-11 15:43:04,430 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2021-06-11 15:43:04,430 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:04,430 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 30 transitions, 87 flow [2021-06-11 15:43:04,431 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 30 transitions, 87 flow [2021-06-11 15:43:04,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 30 transitions, 87 flow [2021-06-11 15:43:04,436 INFO L129 PetriNetUnfolder]: 3/42 cut-off events. [2021-06-11 15:43:04,436 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-11 15:43:04,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 42 events. 3/42 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 84 event pairs, 1 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 61. Up to 10 conditions per place. [2021-06-11 15:43:04,437 INFO L151 LiptonReduction]: Number of co-enabled transitions 436 [2021-06-11 15:43:04,507 INFO L163 LiptonReduction]: Checked pairs total: 448 [2021-06-11 15:43:04,508 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:04,508 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 78 [2021-06-11 15:43:04,508 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 87 flow [2021-06-11 15:43:04,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:04,509 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:04,509 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:43:04,509 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 15:43:04,509 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:04,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:04,510 INFO L82 PathProgramCache]: Analyzing trace with hash -273244577, now seen corresponding path program 1 times [2021-06-11 15:43:04,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:04,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708151518] [2021-06-11 15:43:04,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:04,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:04,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:43:04,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:04,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708151518] [2021-06-11 15:43:04,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:04,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 15:43:04,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637509003] [2021-06-11 15:43:04,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 15:43:04,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:04,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 15:43:04,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 15:43:04,563 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 215 [2021-06-11 15:43:04,564 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:04,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:04,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 215 [2021-06-11 15:43:04,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:04,574 INFO L129 PetriNetUnfolder]: 2/36 cut-off events. [2021-06-11 15:43:04,575 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-06-11 15:43:04,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 36 events. 2/36 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 62 event pairs, 0 based on Foata normal form. 2/37 useless extension candidates. Maximal degree in co-relation 56. Up to 8 conditions per place. [2021-06-11 15:43:04,575 INFO L132 encePairwiseOnDemand]: 212/215 looper letters, 1 selfloop transitions, 2 changer transitions 0/30 dead transitions. [2021-06-11 15:43:04,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 30 transitions, 93 flow [2021-06-11 15:43:04,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 15:43:04,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 15:43:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 565 transitions. [2021-06-11 15:43:04,577 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.875968992248062 [2021-06-11 15:43:04,578 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 565 transitions. [2021-06-11 15:43:04,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 565 transitions. [2021-06-11 15:43:04,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:04,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 565 transitions. [2021-06-11 15:43:04,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:04,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:04,581 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:04,581 INFO L185 Difference]: Start difference. First operand has 41 places, 30 transitions, 87 flow. Second operand 3 states and 565 transitions. [2021-06-11 15:43:04,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 30 transitions, 93 flow [2021-06-11 15:43:04,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 30 transitions, 86 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-06-11 15:43:04,583 INFO L241 Difference]: Finished difference. Result has 42 places, 30 transitions, 88 flow [2021-06-11 15:43:04,583 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=42, PETRI_TRANSITIONS=30} [2021-06-11 15:43:04,583 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -4 predicate places. [2021-06-11 15:43:04,583 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:04,584 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 30 transitions, 88 flow [2021-06-11 15:43:04,584 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 30 transitions, 88 flow [2021-06-11 15:43:04,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 30 transitions, 88 flow [2021-06-11 15:43:04,588 INFO L129 PetriNetUnfolder]: 2/36 cut-off events. [2021-06-11 15:43:04,588 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 15:43:04,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 36 events. 2/36 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 69 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 53. Up to 8 conditions per place. [2021-06-11 15:43:04,589 INFO L151 LiptonReduction]: Number of co-enabled transitions 434 [2021-06-11 15:43:04,592 INFO L163 LiptonReduction]: Checked pairs total: 418 [2021-06-11 15:43:04,592 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:04,592 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-06-11 15:43:04,593 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 30 transitions, 88 flow [2021-06-11 15:43:04,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:04,594 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:04,594 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:43:04,594 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-11 15:43:04,594 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:04,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:04,594 INFO L82 PathProgramCache]: Analyzing trace with hash 119350334, now seen corresponding path program 1 times [2021-06-11 15:43:04,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:04,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649842509] [2021-06-11 15:43:04,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:04,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:04,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:43:04,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:04,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649842509] [2021-06-11 15:43:04,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:04,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 15:43:04,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660816046] [2021-06-11 15:43:04,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 15:43:04,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:04,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 15:43:04,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 15:43:04,655 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 215 [2021-06-11 15:43:04,656 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 30 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:04,656 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:04,656 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 215 [2021-06-11 15:43:04,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:04,673 INFO L129 PetriNetUnfolder]: 8/56 cut-off events. [2021-06-11 15:43:04,673 INFO L130 PetriNetUnfolder]: For 28/32 co-relation queries the response was YES. [2021-06-11 15:43:04,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 56 events. 8/56 cut-off events. For 28/32 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 147 event pairs, 2 based on Foata normal form. 2/53 useless extension candidates. Maximal degree in co-relation 96. Up to 15 conditions per place. [2021-06-11 15:43:04,675 INFO L132 encePairwiseOnDemand]: 211/215 looper letters, 3 selfloop transitions, 3 changer transitions 0/32 dead transitions. [2021-06-11 15:43:04,675 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 32 transitions, 104 flow [2021-06-11 15:43:04,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 15:43:04,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 15:43:04,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 559 transitions. [2021-06-11 15:43:04,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2021-06-11 15:43:04,677 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 559 transitions. [2021-06-11 15:43:04,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 559 transitions. [2021-06-11 15:43:04,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:04,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 559 transitions. [2021-06-11 15:43:04,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:04,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:04,683 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:04,683 INFO L185 Difference]: Start difference. First operand has 42 places, 30 transitions, 88 flow. Second operand 3 states and 559 transitions. [2021-06-11 15:43:04,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 32 transitions, 104 flow [2021-06-11 15:43:04,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 32 transitions, 100 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 15:43:04,686 INFO L241 Difference]: Finished difference. Result has 43 places, 32 transitions, 103 flow [2021-06-11 15:43:04,686 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=103, PETRI_PLACES=43, PETRI_TRANSITIONS=32} [2021-06-11 15:43:04,686 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -3 predicate places. [2021-06-11 15:43:04,686 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:04,686 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 32 transitions, 103 flow [2021-06-11 15:43:04,687 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 32 transitions, 103 flow [2021-06-11 15:43:04,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 32 transitions, 103 flow [2021-06-11 15:43:04,695 INFO L129 PetriNetUnfolder]: 8/56 cut-off events. [2021-06-11 15:43:04,696 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-06-11 15:43:04,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 56 events. 8/56 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 161 event pairs, 2 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 96. Up to 15 conditions per place. [2021-06-11 15:43:04,697 INFO L151 LiptonReduction]: Number of co-enabled transitions 500 [2021-06-11 15:43:04,700 INFO L163 LiptonReduction]: Checked pairs total: 346 [2021-06-11 15:43:04,700 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:04,700 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-06-11 15:43:04,701 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 32 transitions, 103 flow [2021-06-11 15:43:04,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:04,702 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:04,702 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:43:04,702 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-11 15:43:04,702 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:04,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:04,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1524036621, now seen corresponding path program 1 times [2021-06-11 15:43:04,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:04,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32943272] [2021-06-11 15:43:04,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:04,836 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-06-11 15:43:04,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 15:43:04,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:04,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:43:04,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:04,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32943272] [2021-06-11 15:43:04,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:04,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 15:43:04,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861176904] [2021-06-11 15:43:04,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 15:43:04,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:04,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 15:43:04,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 15:43:04,878 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 215 [2021-06-11 15:43:04,878 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 32 transitions, 103 flow. Second operand has 4 states, 4 states have (on average 164.75) internal successors, (659), 4 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:04,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:04,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 215 [2021-06-11 15:43:04,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:04,995 INFO L129 PetriNetUnfolder]: 230/448 cut-off events. [2021-06-11 15:43:04,996 INFO L130 PetriNetUnfolder]: For 270/285 co-relation queries the response was YES. [2021-06-11 15:43:04,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1010 conditions, 448 events. 230/448 cut-off events. For 270/285 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2403 event pairs, 137 based on Foata normal form. 1/390 useless extension candidates. Maximal degree in co-relation 997. Up to 298 conditions per place. [2021-06-11 15:43:05,000 INFO L132 encePairwiseOnDemand]: 210/215 looper letters, 8 selfloop transitions, 4 changer transitions 0/36 dead transitions. [2021-06-11 15:43:05,000 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 36 transitions, 135 flow [2021-06-11 15:43:05,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 15:43:05,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 15:43:05,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 505 transitions. [2021-06-11 15:43:05,003 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7829457364341085 [2021-06-11 15:43:05,003 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 505 transitions. [2021-06-11 15:43:05,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 505 transitions. [2021-06-11 15:43:05,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:05,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 505 transitions. [2021-06-11 15:43:05,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:05,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:05,007 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:05,007 INFO L185 Difference]: Start difference. First operand has 43 places, 32 transitions, 103 flow. Second operand 3 states and 505 transitions. [2021-06-11 15:43:05,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 36 transitions, 135 flow [2021-06-11 15:43:05,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 36 transitions, 132 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 15:43:05,010 INFO L241 Difference]: Finished difference. Result has 45 places, 35 transitions, 126 flow [2021-06-11 15:43:05,010 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=126, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2021-06-11 15:43:05,010 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2021-06-11 15:43:05,010 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:05,010 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 35 transitions, 126 flow [2021-06-11 15:43:05,011 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 35 transitions, 126 flow [2021-06-11 15:43:05,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 35 transitions, 126 flow [2021-06-11 15:43:05,032 INFO L129 PetriNetUnfolder]: 46/134 cut-off events. [2021-06-11 15:43:05,032 INFO L130 PetriNetUnfolder]: For 156/159 co-relation queries the response was YES. [2021-06-11 15:43:05,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 325 conditions, 134 events. 46/134 cut-off events. For 156/159 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 583 event pairs, 24 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 312. Up to 61 conditions per place. [2021-06-11 15:43:05,035 INFO L151 LiptonReduction]: Number of co-enabled transitions 556 [2021-06-11 15:43:05,139 INFO L163 LiptonReduction]: Checked pairs total: 247 [2021-06-11 15:43:05,139 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:05,139 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 129 [2021-06-11 15:43:05,140 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 126 flow [2021-06-11 15:43:05,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 164.75) internal successors, (659), 4 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:05,140 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:05,140 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:43:05,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-11 15:43:05,141 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:05,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:05,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1098676151, now seen corresponding path program 1 times [2021-06-11 15:43:05,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:05,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204579456] [2021-06-11 15:43:05,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:05,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:05,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:43:05,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:05,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 15:43:05,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:05,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 15:43:05,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:05,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204579456] [2021-06-11 15:43:05,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:05,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:43:05,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369792203] [2021-06-11 15:43:05,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 15:43:05,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:05,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 15:43:05,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 15:43:05,289 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 215 [2021-06-11 15:43:05,290 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 126 flow. Second operand has 5 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:05,290 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:05,290 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 215 [2021-06-11 15:43:05,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:05,518 INFO L129 PetriNetUnfolder]: 208/399 cut-off events. [2021-06-11 15:43:05,518 INFO L130 PetriNetUnfolder]: For 512/613 co-relation queries the response was YES. [2021-06-11 15:43:05,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1065 conditions, 399 events. 208/399 cut-off events. For 512/613 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2020 event pairs, 71 based on Foata normal form. 15/360 useless extension candidates. Maximal degree in co-relation 1050. Up to 238 conditions per place. [2021-06-11 15:43:05,523 INFO L132 encePairwiseOnDemand]: 208/215 looper letters, 10 selfloop transitions, 9 changer transitions 0/43 dead transitions. [2021-06-11 15:43:05,523 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 43 transitions, 188 flow [2021-06-11 15:43:05,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 15:43:05,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 15:43:05,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 690 transitions. [2021-06-11 15:43:05,527 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8023255813953488 [2021-06-11 15:43:05,527 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 690 transitions. [2021-06-11 15:43:05,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 690 transitions. [2021-06-11 15:43:05,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:05,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 690 transitions. [2021-06-11 15:43:05,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 172.5) internal successors, (690), 4 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:05,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:05,532 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:05,532 INFO L185 Difference]: Start difference. First operand has 45 places, 35 transitions, 126 flow. Second operand 4 states and 690 transitions. [2021-06-11 15:43:05,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 43 transitions, 188 flow [2021-06-11 15:43:05,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 43 transitions, 184 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 15:43:05,536 INFO L241 Difference]: Finished difference. Result has 49 places, 40 transitions, 182 flow [2021-06-11 15:43:05,536 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=182, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2021-06-11 15:43:05,536 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 3 predicate places. [2021-06-11 15:43:05,536 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:05,536 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 40 transitions, 182 flow [2021-06-11 15:43:05,537 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 40 transitions, 182 flow [2021-06-11 15:43:05,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 40 transitions, 182 flow [2021-06-11 15:43:05,574 INFO L129 PetriNetUnfolder]: 88/214 cut-off events. [2021-06-11 15:43:05,574 INFO L130 PetriNetUnfolder]: For 549/622 co-relation queries the response was YES. [2021-06-11 15:43:05,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 659 conditions, 214 events. 88/214 cut-off events. For 549/622 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1051 event pairs, 23 based on Foata normal form. 2/182 useless extension candidates. Maximal degree in co-relation 643. Up to 95 conditions per place. [2021-06-11 15:43:05,578 INFO L151 LiptonReduction]: Number of co-enabled transitions 626 [2021-06-11 15:43:05,585 INFO L163 LiptonReduction]: Checked pairs total: 226 [2021-06-11 15:43:05,585 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:05,585 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-06-11 15:43:05,586 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 182 flow [2021-06-11 15:43:05,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:05,587 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:05,587 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:43:05,587 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-11 15:43:05,588 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:05,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:05,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1573839795, now seen corresponding path program 1 times [2021-06-11 15:43:05,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:05,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076849886] [2021-06-11 15:43:05,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:05,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:05,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:43:05,692 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.6 percent of original size [2021-06-11 15:43:05,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 15:43:05,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:05,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 15:43:05,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:05,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076849886] [2021-06-11 15:43:05,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:05,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:43:05,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149815450] [2021-06-11 15:43:05,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 15:43:05,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:05,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 15:43:05,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 15:43:05,734 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 215 [2021-06-11 15:43:05,736 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 182 flow. Second operand has 5 states, 5 states have (on average 164.8) internal successors, (824), 5 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:05,736 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:05,736 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 215 [2021-06-11 15:43:05,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:05,900 INFO L129 PetriNetUnfolder]: 230/441 cut-off events. [2021-06-11 15:43:05,900 INFO L130 PetriNetUnfolder]: For 1129/1574 co-relation queries the response was YES. [2021-06-11 15:43:05,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1509 conditions, 441 events. 230/441 cut-off events. For 1129/1574 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2275 event pairs, 61 based on Foata normal form. 15/401 useless extension candidates. Maximal degree in co-relation 1491. Up to 299 conditions per place. [2021-06-11 15:43:05,908 INFO L132 encePairwiseOnDemand]: 207/215 looper letters, 17 selfloop transitions, 11 changer transitions 0/52 dead transitions. [2021-06-11 15:43:05,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 52 transitions, 295 flow [2021-06-11 15:43:05,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 15:43:05,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 15:43:05,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 842 transitions. [2021-06-11 15:43:05,912 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7832558139534884 [2021-06-11 15:43:05,912 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 842 transitions. [2021-06-11 15:43:05,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 842 transitions. [2021-06-11 15:43:05,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:05,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 842 transitions. [2021-06-11 15:43:05,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 168.4) internal successors, (842), 5 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:05,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 215.0) internal successors, (1290), 6 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:05,916 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 215.0) internal successors, (1290), 6 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:05,916 INFO L185 Difference]: Start difference. First operand has 49 places, 40 transitions, 182 flow. Second operand 5 states and 842 transitions. [2021-06-11 15:43:05,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 52 transitions, 295 flow [2021-06-11 15:43:05,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 52 transitions, 286 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-06-11 15:43:05,921 INFO L241 Difference]: Finished difference. Result has 55 places, 50 transitions, 277 flow [2021-06-11 15:43:05,921 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=277, PETRI_PLACES=55, PETRI_TRANSITIONS=50} [2021-06-11 15:43:05,922 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 9 predicate places. [2021-06-11 15:43:05,922 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:05,922 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 50 transitions, 277 flow [2021-06-11 15:43:05,922 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 50 transitions, 277 flow [2021-06-11 15:43:05,923 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 50 transitions, 277 flow [2021-06-11 15:43:05,954 INFO L129 PetriNetUnfolder]: 112/278 cut-off events. [2021-06-11 15:43:05,954 INFO L130 PetriNetUnfolder]: For 1079/1221 co-relation queries the response was YES. [2021-06-11 15:43:05,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 926 conditions, 278 events. 112/278 cut-off events. For 1079/1221 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1521 event pairs, 20 based on Foata normal form. 5/244 useless extension candidates. Maximal degree in co-relation 906. Up to 115 conditions per place. [2021-06-11 15:43:05,959 INFO L151 LiptonReduction]: Number of co-enabled transitions 814 [2021-06-11 15:43:05,972 INFO L163 LiptonReduction]: Checked pairs total: 359 [2021-06-11 15:43:05,972 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:05,972 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-06-11 15:43:05,973 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 50 transitions, 277 flow [2021-06-11 15:43:05,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 164.8) internal successors, (824), 5 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:05,973 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:05,973 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:43:05,973 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-11 15:43:05,973 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:05,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:05,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1125516571, now seen corresponding path program 2 times [2021-06-11 15:43:05,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:05,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539743149] [2021-06-11 15:43:05,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:06,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:06,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 15:43:06,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:06,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:43:06,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:06,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:43:06,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:06,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539743149] [2021-06-11 15:43:06,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:06,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:43:06,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739322511] [2021-06-11 15:43:06,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 15:43:06,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:06,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 15:43:06,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 15:43:06,094 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 215 [2021-06-11 15:43:06,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 50 transitions, 277 flow. Second operand has 5 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:06,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:06,095 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 215 [2021-06-11 15:43:06,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:06,213 INFO L129 PetriNetUnfolder]: 219/426 cut-off events. [2021-06-11 15:43:06,213 INFO L130 PetriNetUnfolder]: For 1986/2665 co-relation queries the response was YES. [2021-06-11 15:43:06,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1723 conditions, 426 events. 219/426 cut-off events. For 1986/2665 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2183 event pairs, 59 based on Foata normal form. 25/396 useless extension candidates. Maximal degree in co-relation 1701. Up to 288 conditions per place. [2021-06-11 15:43:06,219 INFO L132 encePairwiseOnDemand]: 209/215 looper letters, 19 selfloop transitions, 13 changer transitions 0/56 dead transitions. [2021-06-11 15:43:06,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 56 transitions, 379 flow [2021-06-11 15:43:06,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 15:43:06,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 15:43:06,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 689 transitions. [2021-06-11 15:43:06,222 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8011627906976744 [2021-06-11 15:43:06,222 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 689 transitions. [2021-06-11 15:43:06,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 689 transitions. [2021-06-11 15:43:06,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:06,223 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 689 transitions. [2021-06-11 15:43:06,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 172.25) internal successors, (689), 4 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:06,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:06,226 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:06,226 INFO L185 Difference]: Start difference. First operand has 55 places, 50 transitions, 277 flow. Second operand 4 states and 689 transitions. [2021-06-11 15:43:06,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 56 transitions, 379 flow [2021-06-11 15:43:06,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 56 transitions, 369 flow, removed 5 selfloop flow, removed 0 redundant places. [2021-06-11 15:43:06,233 INFO L241 Difference]: Finished difference. Result has 60 places, 54 transitions, 345 flow [2021-06-11 15:43:06,233 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=345, PETRI_PLACES=60, PETRI_TRANSITIONS=54} [2021-06-11 15:43:06,233 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 14 predicate places. [2021-06-11 15:43:06,233 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:06,233 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 54 transitions, 345 flow [2021-06-11 15:43:06,233 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 54 transitions, 345 flow [2021-06-11 15:43:06,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 54 transitions, 345 flow [2021-06-11 15:43:06,274 INFO L129 PetriNetUnfolder]: 123/290 cut-off events. [2021-06-11 15:43:06,274 INFO L130 PetriNetUnfolder]: For 1928/2064 co-relation queries the response was YES. [2021-06-11 15:43:06,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1193 conditions, 290 events. 123/290 cut-off events. For 1928/2064 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1534 event pairs, 28 based on Foata normal form. 7/250 useless extension candidates. Maximal degree in co-relation 1169. Up to 122 conditions per place. [2021-06-11 15:43:06,280 INFO L151 LiptonReduction]: Number of co-enabled transitions 886 [2021-06-11 15:43:06,288 INFO L163 LiptonReduction]: Checked pairs total: 419 [2021-06-11 15:43:06,289 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:06,289 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56 [2021-06-11 15:43:06,290 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 54 transitions, 345 flow [2021-06-11 15:43:06,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:06,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:06,290 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:43:06,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-11 15:43:06,291 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:06,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:06,291 INFO L82 PathProgramCache]: Analyzing trace with hash -721163371, now seen corresponding path program 1 times [2021-06-11 15:43:06,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:06,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121066911] [2021-06-11 15:43:06,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:06,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:06,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 15:43:06,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:06,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:43:06,386 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-06-11 15:43:06,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 15:43:06,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:06,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:43:06,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:06,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121066911] [2021-06-11 15:43:06,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:06,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 15:43:06,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206999005] [2021-06-11 15:43:06,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 15:43:06,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:06,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 15:43:06,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 15:43:06,420 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 215 [2021-06-11 15:43:06,422 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 54 transitions, 345 flow. Second operand has 6 states, 6 states have (on average 161.83333333333334) internal successors, (971), 6 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:06,422 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:06,422 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 215 [2021-06-11 15:43:06,422 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:06,581 INFO L129 PetriNetUnfolder]: 229/449 cut-off events. [2021-06-11 15:43:06,581 INFO L130 PetriNetUnfolder]: For 2452/3168 co-relation queries the response was YES. [2021-06-11 15:43:06,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2005 conditions, 449 events. 229/449 cut-off events. For 2452/3168 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2320 event pairs, 38 based on Foata normal form. 37/436 useless extension candidates. Maximal degree in co-relation 1979. Up to 258 conditions per place. [2021-06-11 15:43:06,588 INFO L132 encePairwiseOnDemand]: 207/215 looper letters, 22 selfloop transitions, 15 changer transitions 0/61 dead transitions. [2021-06-11 15:43:06,588 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 61 transitions, 469 flow [2021-06-11 15:43:06,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 15:43:06,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 15:43:06,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 826 transitions. [2021-06-11 15:43:06,591 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7683720930232558 [2021-06-11 15:43:06,591 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 826 transitions. [2021-06-11 15:43:06,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 826 transitions. [2021-06-11 15:43:06,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:06,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 826 transitions. [2021-06-11 15:43:06,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 165.2) internal successors, (826), 5 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:06,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 215.0) internal successors, (1290), 6 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:06,597 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 215.0) internal successors, (1290), 6 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:06,597 INFO L185 Difference]: Start difference. First operand has 60 places, 54 transitions, 345 flow. Second operand 5 states and 826 transitions. [2021-06-11 15:43:06,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 61 transitions, 469 flow [2021-06-11 15:43:06,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 61 transitions, 449 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-06-11 15:43:06,602 INFO L241 Difference]: Finished difference. Result has 64 places, 57 transitions, 389 flow [2021-06-11 15:43:06,602 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=389, PETRI_PLACES=64, PETRI_TRANSITIONS=57} [2021-06-11 15:43:06,602 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 18 predicate places. [2021-06-11 15:43:06,603 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:06,603 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 57 transitions, 389 flow [2021-06-11 15:43:06,603 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 57 transitions, 389 flow [2021-06-11 15:43:06,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 57 transitions, 389 flow [2021-06-11 15:43:06,645 INFO L129 PetriNetUnfolder]: 137/306 cut-off events. [2021-06-11 15:43:06,645 INFO L130 PetriNetUnfolder]: For 2230/2457 co-relation queries the response was YES. [2021-06-11 15:43:06,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1323 conditions, 306 events. 137/306 cut-off events. For 2230/2457 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1571 event pairs, 26 based on Foata normal form. 9/270 useless extension candidates. Maximal degree in co-relation 1297. Up to 141 conditions per place. [2021-06-11 15:43:06,650 INFO L151 LiptonReduction]: Number of co-enabled transitions 948 [2021-06-11 15:43:06,661 INFO L163 LiptonReduction]: Checked pairs total: 481 [2021-06-11 15:43:06,661 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:06,661 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59 [2021-06-11 15:43:06,662 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 57 transitions, 389 flow [2021-06-11 15:43:06,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 161.83333333333334) internal successors, (971), 6 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:06,663 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:06,663 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:43:06,663 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-11 15:43:06,663 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:06,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:06,664 INFO L82 PathProgramCache]: Analyzing trace with hash -659766631, now seen corresponding path program 2 times [2021-06-11 15:43:06,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:06,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574972626] [2021-06-11 15:43:06,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:06,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:06,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 15:43:06,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:06,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:43:06,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:06,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 15:43:06,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:06,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:43:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:06,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574972626] [2021-06-11 15:43:06,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:06,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 15:43:06,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443935959] [2021-06-11 15:43:06,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 15:43:06,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:06,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 15:43:06,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 15:43:06,767 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 215 [2021-06-11 15:43:06,768 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 57 transitions, 389 flow. Second operand has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:06,768 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:06,768 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 215 [2021-06-11 15:43:06,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:06,985 INFO L129 PetriNetUnfolder]: 218/424 cut-off events. [2021-06-11 15:43:06,985 INFO L130 PetriNetUnfolder]: For 2885/3947 co-relation queries the response was YES. [2021-06-11 15:43:06,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2056 conditions, 424 events. 218/424 cut-off events. For 2885/3947 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2170 event pairs, 37 based on Foata normal form. 65/437 useless extension candidates. Maximal degree in co-relation 2028. Up to 235 conditions per place. [2021-06-11 15:43:06,992 INFO L132 encePairwiseOnDemand]: 207/215 looper letters, 16 selfloop transitions, 34 changer transitions 0/74 dead transitions. [2021-06-11 15:43:06,992 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 74 transitions, 632 flow [2021-06-11 15:43:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 15:43:06,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 15:43:06,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1343 transitions. [2021-06-11 15:43:06,996 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7808139534883721 [2021-06-11 15:43:06,996 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1343 transitions. [2021-06-11 15:43:06,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1343 transitions. [2021-06-11 15:43:06,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:06,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1343 transitions. [2021-06-11 15:43:07,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 167.875) internal successors, (1343), 8 states have internal predecessors, (1343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:07,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 215.0) internal successors, (1935), 9 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:07,006 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 215.0) internal successors, (1935), 9 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:07,006 INFO L185 Difference]: Start difference. First operand has 64 places, 57 transitions, 389 flow. Second operand 8 states and 1343 transitions. [2021-06-11 15:43:07,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 74 transitions, 632 flow [2021-06-11 15:43:07,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 74 transitions, 585 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-06-11 15:43:07,011 INFO L241 Difference]: Finished difference. Result has 71 places, 70 transitions, 570 flow [2021-06-11 15:43:07,011 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=351, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=570, PETRI_PLACES=71, PETRI_TRANSITIONS=70} [2021-06-11 15:43:07,012 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 25 predicate places. [2021-06-11 15:43:07,012 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:07,012 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 70 transitions, 570 flow [2021-06-11 15:43:07,012 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 70 transitions, 570 flow [2021-06-11 15:43:07,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 70 transitions, 570 flow [2021-06-11 15:43:07,056 INFO L129 PetriNetUnfolder]: 130/292 cut-off events. [2021-06-11 15:43:07,056 INFO L130 PetriNetUnfolder]: For 2563/2881 co-relation queries the response was YES. [2021-06-11 15:43:07,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1441 conditions, 292 events. 130/292 cut-off events. For 2563/2881 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1494 event pairs, 19 based on Foata normal form. 13/261 useless extension candidates. Maximal degree in co-relation 1412. Up to 132 conditions per place. [2021-06-11 15:43:07,062 INFO L151 LiptonReduction]: Number of co-enabled transitions 1080 [2021-06-11 15:43:07,074 INFO L163 LiptonReduction]: Checked pairs total: 664 [2021-06-11 15:43:07,074 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:07,074 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-06-11 15:43:07,075 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 70 transitions, 570 flow [2021-06-11 15:43:07,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:07,075 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:07,075 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:43:07,076 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-11 15:43:07,076 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:07,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:07,076 INFO L82 PathProgramCache]: Analyzing trace with hash -765642936, now seen corresponding path program 1 times [2021-06-11 15:43:07,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:07,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127411781] [2021-06-11 15:43:07,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:07,155 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 15:43:07,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 15:43:07,178 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-06-11 15:43:07,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 15:43:07,211 INFO L142 QuantifierPusher]: treesize reduction 11, result has 87.4 percent of original size [2021-06-11 15:43:07,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-06-11 15:43:07,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:07,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:43:07,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:07,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:43:07,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:07,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127411781] [2021-06-11 15:43:07,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:07,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 15:43:07,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95751507] [2021-06-11 15:43:07,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 15:43:07,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:07,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 15:43:07,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 15:43:07,265 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 215 [2021-06-11 15:43:07,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 70 transitions, 570 flow. Second operand has 6 states, 6 states have (on average 159.0) internal successors, (954), 6 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:07,266 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:07,266 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 215 [2021-06-11 15:43:07,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:07,433 INFO L129 PetriNetUnfolder]: 232/458 cut-off events. [2021-06-11 15:43:07,433 INFO L130 PetriNetUnfolder]: For 4059/5540 co-relation queries the response was YES. [2021-06-11 15:43:07,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2459 conditions, 458 events. 232/458 cut-off events. For 4059/5540 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2419 event pairs, 24 based on Foata normal form. 61/469 useless extension candidates. Maximal degree in co-relation 2428. Up to 258 conditions per place. [2021-06-11 15:43:07,440 INFO L132 encePairwiseOnDemand]: 207/215 looper letters, 30 selfloop transitions, 21 changer transitions 0/75 dead transitions. [2021-06-11 15:43:07,440 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 75 transitions, 726 flow [2021-06-11 15:43:07,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 15:43:07,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 15:43:07,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 811 transitions. [2021-06-11 15:43:07,444 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7544186046511628 [2021-06-11 15:43:07,444 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 811 transitions. [2021-06-11 15:43:07,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 811 transitions. [2021-06-11 15:43:07,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:07,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 811 transitions. [2021-06-11 15:43:07,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 162.2) internal successors, (811), 5 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:07,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 215.0) internal successors, (1290), 6 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:07,448 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 215.0) internal successors, (1290), 6 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:07,449 INFO L185 Difference]: Start difference. First operand has 71 places, 70 transitions, 570 flow. Second operand 5 states and 811 transitions. [2021-06-11 15:43:07,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 75 transitions, 726 flow [2021-06-11 15:43:07,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 75 transitions, 689 flow, removed 15 selfloop flow, removed 1 redundant places. [2021-06-11 15:43:07,458 INFO L241 Difference]: Finished difference. Result has 75 places, 72 transitions, 613 flow [2021-06-11 15:43:07,458 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=533, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=613, PETRI_PLACES=75, PETRI_TRANSITIONS=72} [2021-06-11 15:43:07,458 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 29 predicate places. [2021-06-11 15:43:07,458 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:07,458 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 72 transitions, 613 flow [2021-06-11 15:43:07,459 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 72 transitions, 613 flow [2021-06-11 15:43:07,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 72 transitions, 613 flow [2021-06-11 15:43:07,504 INFO L129 PetriNetUnfolder]: 136/306 cut-off events. [2021-06-11 15:43:07,504 INFO L130 PetriNetUnfolder]: For 3517/3940 co-relation queries the response was YES. [2021-06-11 15:43:07,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1619 conditions, 306 events. 136/306 cut-off events. For 3517/3940 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1574 event pairs, 28 based on Foata normal form. 15/277 useless extension candidates. Maximal degree in co-relation 1588. Up to 142 conditions per place. [2021-06-11 15:43:07,510 INFO L151 LiptonReduction]: Number of co-enabled transitions 1120 [2021-06-11 15:43:07,523 INFO L163 LiptonReduction]: Checked pairs total: 724 [2021-06-11 15:43:07,524 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:07,524 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 66 [2021-06-11 15:43:07,526 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 72 transitions, 613 flow [2021-06-11 15:43:07,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 159.0) internal successors, (954), 6 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:07,527 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:07,527 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:43:07,527 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-11 15:43:07,527 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:07,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:07,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1309744136, now seen corresponding path program 2 times [2021-06-11 15:43:07,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:07,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690796622] [2021-06-11 15:43:07,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:07,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:07,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:43:07,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:07,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:43:07,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:07,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:43:07,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:07,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:43:07,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:07,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:43:07,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:07,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690796622] [2021-06-11 15:43:07,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:07,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 15:43:07,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191055111] [2021-06-11 15:43:07,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 15:43:07,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:07,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 15:43:07,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 15:43:07,641 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 215 [2021-06-11 15:43:07,642 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 72 transitions, 613 flow. Second operand has 6 states, 6 states have (on average 169.0) internal successors, (1014), 6 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:07,642 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:07,642 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 215 [2021-06-11 15:43:07,642 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:07,802 INFO L129 PetriNetUnfolder]: 250/512 cut-off events. [2021-06-11 15:43:07,802 INFO L130 PetriNetUnfolder]: For 4875/6881 co-relation queries the response was YES. [2021-06-11 15:43:07,806 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2867 conditions, 512 events. 250/512 cut-off events. For 4875/6881 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 2796 event pairs, 14 based on Foata normal form. 86/546 useless extension candidates. Maximal degree in co-relation 2834. Up to 260 conditions per place. [2021-06-11 15:43:07,811 INFO L132 encePairwiseOnDemand]: 207/215 looper letters, 20 selfloop transitions, 34 changer transitions 0/78 dead transitions. [2021-06-11 15:43:07,811 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 78 transitions, 791 flow [2021-06-11 15:43:07,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 15:43:07,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 15:43:07,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 862 transitions. [2021-06-11 15:43:07,814 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8018604651162791 [2021-06-11 15:43:07,814 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 862 transitions. [2021-06-11 15:43:07,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 862 transitions. [2021-06-11 15:43:07,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:07,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 862 transitions. [2021-06-11 15:43:07,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 172.4) internal successors, (862), 5 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:07,818 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 215.0) internal successors, (1290), 6 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:07,818 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 215.0) internal successors, (1290), 6 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:07,818 INFO L185 Difference]: Start difference. First operand has 75 places, 72 transitions, 613 flow. Second operand 5 states and 862 transitions. [2021-06-11 15:43:07,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 78 transitions, 791 flow [2021-06-11 15:43:07,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 78 transitions, 743 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-06-11 15:43:07,827 INFO L241 Difference]: Finished difference. Result has 77 places, 75 transitions, 706 flow [2021-06-11 15:43:07,827 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=706, PETRI_PLACES=77, PETRI_TRANSITIONS=75} [2021-06-11 15:43:07,827 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 31 predicate places. [2021-06-11 15:43:07,827 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:07,827 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 75 transitions, 706 flow [2021-06-11 15:43:07,827 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 75 transitions, 706 flow [2021-06-11 15:43:07,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 75 transitions, 706 flow [2021-06-11 15:43:07,876 INFO L129 PetriNetUnfolder]: 150/343 cut-off events. [2021-06-11 15:43:07,877 INFO L130 PetriNetUnfolder]: For 4247/4715 co-relation queries the response was YES. [2021-06-11 15:43:07,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1934 conditions, 343 events. 150/343 cut-off events. For 4247/4715 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1879 event pairs, 30 based on Foata normal form. 17/317 useless extension candidates. Maximal degree in co-relation 1902. Up to 151 conditions per place. [2021-06-11 15:43:07,883 INFO L151 LiptonReduction]: Number of co-enabled transitions 1174 [2021-06-11 15:43:07,896 INFO L163 LiptonReduction]: Checked pairs total: 792 [2021-06-11 15:43:07,896 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:07,897 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 70 [2021-06-11 15:43:07,898 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 75 transitions, 706 flow [2021-06-11 15:43:07,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 169.0) internal successors, (1014), 6 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:07,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:07,898 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:43:07,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-11 15:43:07,898 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:07,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:07,899 INFO L82 PathProgramCache]: Analyzing trace with hash -904668694, now seen corresponding path program 3 times [2021-06-11 15:43:07,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:07,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555043314] [2021-06-11 15:43:07,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:07,969 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.0 percent of original size [2021-06-11 15:43:07,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-06-11 15:43:08,011 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.1 percent of original size [2021-06-11 15:43:08,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-06-11 15:43:08,061 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-06-11 15:43:08,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 15:43:08,096 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-06-11 15:43:08,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 15:43:08,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:08,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:43:08,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:08,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555043314] [2021-06-11 15:43:08,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:08,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 15:43:08,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671498245] [2021-06-11 15:43:08,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 15:43:08,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:08,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 15:43:08,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 15:43:08,152 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 215 [2021-06-11 15:43:08,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 75 transitions, 706 flow. Second operand has 7 states, 7 states have (on average 160.85714285714286) internal successors, (1126), 7 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:08,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:08,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 215 [2021-06-11 15:43:08,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:08,445 INFO L129 PetriNetUnfolder]: 260/516 cut-off events. [2021-06-11 15:43:08,446 INFO L130 PetriNetUnfolder]: For 6833/9125 co-relation queries the response was YES. [2021-06-11 15:43:08,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3222 conditions, 516 events. 260/516 cut-off events. For 6833/9125 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 2818 event pairs, 25 based on Foata normal form. 149/609 useless extension candidates. Maximal degree in co-relation 3188. Up to 285 conditions per place. [2021-06-11 15:43:08,454 INFO L132 encePairwiseOnDemand]: 208/215 looper letters, 21 selfloop transitions, 40 changer transitions 0/85 dead transitions. [2021-06-11 15:43:08,455 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 85 transitions, 950 flow [2021-06-11 15:43:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 15:43:08,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 15:43:08,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1313 transitions. [2021-06-11 15:43:08,458 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7633720930232558 [2021-06-11 15:43:08,458 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1313 transitions. [2021-06-11 15:43:08,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1313 transitions. [2021-06-11 15:43:08,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:08,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1313 transitions. [2021-06-11 15:43:08,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 164.125) internal successors, (1313), 8 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:08,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 215.0) internal successors, (1935), 9 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:08,465 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 215.0) internal successors, (1935), 9 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:08,465 INFO L185 Difference]: Start difference. First operand has 77 places, 75 transitions, 706 flow. Second operand 8 states and 1313 transitions. [2021-06-11 15:43:08,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 85 transitions, 950 flow [2021-06-11 15:43:08,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 85 transitions, 896 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-06-11 15:43:08,474 INFO L241 Difference]: Finished difference. Result has 82 places, 80 transitions, 834 flow [2021-06-11 15:43:08,474 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=655, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=834, PETRI_PLACES=82, PETRI_TRANSITIONS=80} [2021-06-11 15:43:08,475 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 36 predicate places. [2021-06-11 15:43:08,475 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:08,475 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 80 transitions, 834 flow [2021-06-11 15:43:08,475 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 80 transitions, 834 flow [2021-06-11 15:43:08,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 80 transitions, 834 flow [2021-06-11 15:43:08,524 INFO L129 PetriNetUnfolder]: 150/350 cut-off events. [2021-06-11 15:43:08,524 INFO L130 PetriNetUnfolder]: For 4575/5119 co-relation queries the response was YES. [2021-06-11 15:43:08,526 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2016 conditions, 350 events. 150/350 cut-off events. For 4575/5119 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1909 event pairs, 23 based on Foata normal form. 29/337 useless extension candidates. Maximal degree in co-relation 1983. Up to 153 conditions per place. [2021-06-11 15:43:08,531 INFO L151 LiptonReduction]: Number of co-enabled transitions 1238 [2021-06-11 15:43:08,546 INFO L163 LiptonReduction]: Checked pairs total: 922 [2021-06-11 15:43:08,546 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:08,547 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 72 [2021-06-11 15:43:08,547 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 80 transitions, 834 flow [2021-06-11 15:43:08,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 160.85714285714286) internal successors, (1126), 7 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:08,548 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:08,548 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:43:08,548 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-11 15:43:08,548 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:08,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:08,548 INFO L82 PathProgramCache]: Analyzing trace with hash -271956580, now seen corresponding path program 1 times [2021-06-11 15:43:08,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:08,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371935117] [2021-06-11 15:43:08,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:08,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:08,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:43:08,590 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 15:43:08,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:43:08,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:08,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:43:08,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:08,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371935117] [2021-06-11 15:43:08,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:08,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:43:08,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964779306] [2021-06-11 15:43:08,599 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 15:43:08,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:08,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 15:43:08,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 15:43:08,601 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 215 [2021-06-11 15:43:08,601 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 80 transitions, 834 flow. Second operand has 4 states, 4 states have (on average 173.75) internal successors, (695), 4 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:08,601 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:08,602 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 215 [2021-06-11 15:43:08,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:08,850 INFO L129 PetriNetUnfolder]: 870/1585 cut-off events. [2021-06-11 15:43:08,851 INFO L130 PetriNetUnfolder]: For 13111/14559 co-relation queries the response was YES. [2021-06-11 15:43:08,862 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6640 conditions, 1585 events. 870/1585 cut-off events. For 13111/14559 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 10951 event pairs, 230 based on Foata normal form. 246/1524 useless extension candidates. Maximal degree in co-relation 6605. Up to 619 conditions per place. [2021-06-11 15:43:08,874 INFO L132 encePairwiseOnDemand]: 207/215 looper letters, 13 selfloop transitions, 12 changer transitions 0/94 dead transitions. [2021-06-11 15:43:08,874 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 94 transitions, 912 flow [2021-06-11 15:43:08,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 15:43:08,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 15:43:08,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 889 transitions. [2021-06-11 15:43:08,877 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8269767441860465 [2021-06-11 15:43:08,877 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 889 transitions. [2021-06-11 15:43:08,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 889 transitions. [2021-06-11 15:43:08,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:08,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 889 transitions. [2021-06-11 15:43:08,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 177.8) internal successors, (889), 5 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:08,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 215.0) internal successors, (1290), 6 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:08,881 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 215.0) internal successors, (1290), 6 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:08,881 INFO L185 Difference]: Start difference. First operand has 82 places, 80 transitions, 834 flow. Second operand 5 states and 889 transitions. [2021-06-11 15:43:08,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 94 transitions, 912 flow [2021-06-11 15:43:08,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 94 transitions, 830 flow, removed 15 selfloop flow, removed 5 redundant places. [2021-06-11 15:43:08,896 INFO L241 Difference]: Finished difference. Result has 84 places, 90 transitions, 848 flow [2021-06-11 15:43:08,896 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=848, PETRI_PLACES=84, PETRI_TRANSITIONS=90} [2021-06-11 15:43:08,896 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 38 predicate places. [2021-06-11 15:43:08,897 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:08,897 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 90 transitions, 848 flow [2021-06-11 15:43:08,897 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 90 transitions, 848 flow [2021-06-11 15:43:08,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 90 transitions, 848 flow [2021-06-11 15:43:09,037 INFO L129 PetriNetUnfolder]: 620/1200 cut-off events. [2021-06-11 15:43:09,037 INFO L130 PetriNetUnfolder]: For 8811/9642 co-relation queries the response was YES. [2021-06-11 15:43:09,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5371 conditions, 1200 events. 620/1200 cut-off events. For 8811/9642 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 8621 event pairs, 203 based on Foata normal form. 61/1026 useless extension candidates. Maximal degree in co-relation 5335. Up to 677 conditions per place. [2021-06-11 15:43:09,065 INFO L151 LiptonReduction]: Number of co-enabled transitions 1610 [2021-06-11 15:43:09,082 INFO L163 LiptonReduction]: Checked pairs total: 832 [2021-06-11 15:43:09,082 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:09,082 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 185 [2021-06-11 15:43:09,083 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 90 transitions, 848 flow [2021-06-11 15:43:09,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 173.75) internal successors, (695), 4 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:09,083 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:09,084 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:43:09,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-11 15:43:09,084 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:09,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:09,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1384727171, now seen corresponding path program 1 times [2021-06-11 15:43:09,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:09,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476982245] [2021-06-11 15:43:09,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:09,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:09,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:43:09,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:09,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:43:09,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:09,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476982245] [2021-06-11 15:43:09,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:09,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 15:43:09,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766761525] [2021-06-11 15:43:09,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 15:43:09,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:09,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 15:43:09,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 15:43:09,127 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 215 [2021-06-11 15:43:09,134 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 90 transitions, 848 flow. Second operand has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:09,134 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:09,134 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 215 [2021-06-11 15:43:09,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:09,417 INFO L129 PetriNetUnfolder]: 1040/1934 cut-off events. [2021-06-11 15:43:09,417 INFO L130 PetriNetUnfolder]: For 20687/22780 co-relation queries the response was YES. [2021-06-11 15:43:09,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8625 conditions, 1934 events. 1040/1934 cut-off events. For 20687/22780 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 14261 event pairs, 360 based on Foata normal form. 190/1788 useless extension candidates. Maximal degree in co-relation 8587. Up to 1098 conditions per place. [2021-06-11 15:43:09,445 INFO L132 encePairwiseOnDemand]: 212/215 looper letters, 3 selfloop transitions, 3 changer transitions 0/90 dead transitions. [2021-06-11 15:43:09,446 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 90 transitions, 860 flow [2021-06-11 15:43:09,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 15:43:09,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 15:43:09,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 558 transitions. [2021-06-11 15:43:09,448 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8651162790697674 [2021-06-11 15:43:09,448 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 558 transitions. [2021-06-11 15:43:09,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 558 transitions. [2021-06-11 15:43:09,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:09,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 558 transitions. [2021-06-11 15:43:09,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:09,451 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:09,451 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:09,451 INFO L185 Difference]: Start difference. First operand has 84 places, 90 transitions, 848 flow. Second operand 3 states and 558 transitions. [2021-06-11 15:43:09,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 90 transitions, 860 flow [2021-06-11 15:43:09,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 90 transitions, 860 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 15:43:09,473 INFO L241 Difference]: Finished difference. Result has 87 places, 90 transitions, 859 flow [2021-06-11 15:43:09,473 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=859, PETRI_PLACES=87, PETRI_TRANSITIONS=90} [2021-06-11 15:43:09,473 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 41 predicate places. [2021-06-11 15:43:09,473 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:09,473 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 90 transitions, 859 flow [2021-06-11 15:43:09,474 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 90 transitions, 859 flow [2021-06-11 15:43:09,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 90 transitions, 859 flow [2021-06-11 15:43:09,662 INFO L129 PetriNetUnfolder]: 988/1915 cut-off events. [2021-06-11 15:43:09,662 INFO L130 PetriNetUnfolder]: For 13828/15637 co-relation queries the response was YES. [2021-06-11 15:43:09,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8181 conditions, 1915 events. 988/1915 cut-off events. For 13828/15637 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 14914 event pairs, 304 based on Foata normal form. 91/1653 useless extension candidates. Maximal degree in co-relation 8143. Up to 1136 conditions per place. [2021-06-11 15:43:09,696 INFO L151 LiptonReduction]: Number of co-enabled transitions 1610 [2021-06-11 15:43:09,704 INFO L163 LiptonReduction]: Checked pairs total: 832 [2021-06-11 15:43:09,705 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:09,705 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 232 [2021-06-11 15:43:09,705 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 90 transitions, 859 flow [2021-06-11 15:43:09,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:09,706 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:09,706 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] [2021-06-11 15:43:09,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-11 15:43:09,706 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:09,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:09,706 INFO L82 PathProgramCache]: Analyzing trace with hash -62591690, now seen corresponding path program 1 times [2021-06-11 15:43:09,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:09,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564507665] [2021-06-11 15:43:09,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:09,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:09,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:43:09,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:09,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:43:09,753 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 15:43:09,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:43:09,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:09,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:43:09,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:09,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564507665] [2021-06-11 15:43:09,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:09,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 15:43:09,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852624494] [2021-06-11 15:43:09,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 15:43:09,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:09,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 15:43:09,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 15:43:09,765 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 215 [2021-06-11 15:43:09,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 90 transitions, 859 flow. Second operand has 5 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:09,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:09,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 215 [2021-06-11 15:43:09,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:10,067 INFO L129 PetriNetUnfolder]: 823/1623 cut-off events. [2021-06-11 15:43:10,068 INFO L130 PetriNetUnfolder]: For 11680/20353 co-relation queries the response was YES. [2021-06-11 15:43:10,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7433 conditions, 1623 events. 823/1623 cut-off events. For 11680/20353 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 11839 event pairs, 86 based on Foata normal form. 578/1912 useless extension candidates. Maximal degree in co-relation 7393. Up to 1041 conditions per place. [2021-06-11 15:43:10,090 INFO L132 encePairwiseOnDemand]: 207/215 looper letters, 11 selfloop transitions, 22 changer transitions 0/89 dead transitions. [2021-06-11 15:43:10,090 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 89 transitions, 824 flow [2021-06-11 15:43:10,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 15:43:10,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 15:43:10,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1245 transitions. [2021-06-11 15:43:10,094 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8272425249169435 [2021-06-11 15:43:10,094 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1245 transitions. [2021-06-11 15:43:10,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1245 transitions. [2021-06-11 15:43:10,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:10,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1245 transitions. [2021-06-11 15:43:10,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 177.85714285714286) internal successors, (1245), 7 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:10,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 215.0) internal successors, (1720), 8 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:10,100 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 215.0) internal successors, (1720), 8 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:10,101 INFO L185 Difference]: Start difference. First operand has 87 places, 90 transitions, 859 flow. Second operand 7 states and 1245 transitions. [2021-06-11 15:43:10,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 89 transitions, 824 flow [2021-06-11 15:43:10,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 89 transitions, 762 flow, removed 5 selfloop flow, removed 8 redundant places. [2021-06-11 15:43:10,118 INFO L241 Difference]: Finished difference. Result has 88 places, 85 transitions, 767 flow [2021-06-11 15:43:10,119 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=615, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=767, PETRI_PLACES=88, PETRI_TRANSITIONS=85} [2021-06-11 15:43:10,120 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 42 predicate places. [2021-06-11 15:43:10,120 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:10,120 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 85 transitions, 767 flow [2021-06-11 15:43:10,120 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 85 transitions, 767 flow [2021-06-11 15:43:10,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 85 transitions, 767 flow [2021-06-11 15:43:10,319 INFO L129 PetriNetUnfolder]: 760/1531 cut-off events. [2021-06-11 15:43:10,319 INFO L130 PetriNetUnfolder]: For 12681/14930 co-relation queries the response was YES. [2021-06-11 15:43:10,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7970 conditions, 1531 events. 760/1531 cut-off events. For 12681/14930 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 11629 event pairs, 92 based on Foata normal form. 67/1372 useless extension candidates. Maximal degree in co-relation 7933. Up to 966 conditions per place. [2021-06-11 15:43:10,352 INFO L151 LiptonReduction]: Number of co-enabled transitions 1812 [2021-06-11 15:43:10,359 INFO L163 LiptonReduction]: Checked pairs total: 496 [2021-06-11 15:43:10,359 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:10,359 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 239 [2021-06-11 15:43:10,359 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 85 transitions, 767 flow [2021-06-11 15:43:10,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:10,360 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:10,360 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] [2021-06-11 15:43:10,360 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-11 15:43:10,360 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:10,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:10,361 INFO L82 PathProgramCache]: Analyzing trace with hash -2022490872, now seen corresponding path program 1 times [2021-06-11 15:43:10,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:10,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905367427] [2021-06-11 15:43:10,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:10,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:10,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:43:10,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:10,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:43:10,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:10,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:43:10,411 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 15:43:10,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:43:10,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:10,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:43:10,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:10,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905367427] [2021-06-11 15:43:10,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:10,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 15:43:10,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398426043] [2021-06-11 15:43:10,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 15:43:10,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:10,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 15:43:10,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 15:43:10,424 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 215 [2021-06-11 15:43:10,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 85 transitions, 767 flow. Second operand has 6 states, 6 states have (on average 173.83333333333334) internal successors, (1043), 6 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:10,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:10,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 215 [2021-06-11 15:43:10,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:10,690 INFO L129 PetriNetUnfolder]: 648/1328 cut-off events. [2021-06-11 15:43:10,690 INFO L130 PetriNetUnfolder]: For 12342/33962 co-relation queries the response was YES. [2021-06-11 15:43:10,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7477 conditions, 1328 events. 648/1328 cut-off events. For 12342/33962 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 9599 event pairs, 7 based on Foata normal form. 777/1839 useless extension candidates. Maximal degree in co-relation 7438. Up to 947 conditions per place. [2021-06-11 15:43:10,714 INFO L132 encePairwiseOnDemand]: 207/215 looper letters, 6 selfloop transitions, 32 changer transitions 4/93 dead transitions. [2021-06-11 15:43:10,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 93 transitions, 923 flow [2021-06-11 15:43:10,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 15:43:10,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 15:43:10,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1601 transitions. [2021-06-11 15:43:10,718 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.827390180878553 [2021-06-11 15:43:10,718 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1601 transitions. [2021-06-11 15:43:10,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1601 transitions. [2021-06-11 15:43:10,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:10,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1601 transitions. [2021-06-11 15:43:10,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 177.88888888888889) internal successors, (1601), 9 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:10,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 215.0) internal successors, (2150), 10 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:10,725 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 215.0) internal successors, (2150), 10 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:10,725 INFO L185 Difference]: Start difference. First operand has 88 places, 85 transitions, 767 flow. Second operand 9 states and 1601 transitions. [2021-06-11 15:43:10,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 93 transitions, 923 flow [2021-06-11 15:43:10,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 93 transitions, 859 flow, removed 19 selfloop flow, removed 4 redundant places. [2021-06-11 15:43:10,763 INFO L241 Difference]: Finished difference. Result has 94 places, 89 transitions, 838 flow [2021-06-11 15:43:10,763 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=838, PETRI_PLACES=94, PETRI_TRANSITIONS=89} [2021-06-11 15:43:10,764 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 48 predicate places. [2021-06-11 15:43:10,764 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:10,764 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 89 transitions, 838 flow [2021-06-11 15:43:10,764 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 89 transitions, 838 flow [2021-06-11 15:43:10,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 89 transitions, 838 flow [2021-06-11 15:43:10,877 INFO L129 PetriNetUnfolder]: 598/1233 cut-off events. [2021-06-11 15:43:10,878 INFO L130 PetriNetUnfolder]: For 10150/12029 co-relation queries the response was YES. [2021-06-11 15:43:10,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6464 conditions, 1233 events. 598/1233 cut-off events. For 10150/12029 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 9276 event pairs, 4 based on Foata normal form. 18/1020 useless extension candidates. Maximal degree in co-relation 6424. Up to 654 conditions per place. [2021-06-11 15:43:10,901 INFO L151 LiptonReduction]: Number of co-enabled transitions 1924 [2021-06-11 15:43:10,908 INFO L163 LiptonReduction]: Checked pairs total: 546 [2021-06-11 15:43:10,909 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:10,909 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 145 [2021-06-11 15:43:10,909 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 89 transitions, 838 flow [2021-06-11 15:43:10,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 173.83333333333334) internal successors, (1043), 6 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:10,910 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:10,910 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] [2021-06-11 15:43:10,910 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-11 15:43:10,910 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:10,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:10,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1701891096, now seen corresponding path program 1 times [2021-06-11 15:43:10,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:10,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759050357] [2021-06-11 15:43:10,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:10,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:10,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:43:10,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:10,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:43:10,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:10,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:43:10,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:10,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:43:10,994 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 15:43:10,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:43:11,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:11,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:43:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:11,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759050357] [2021-06-11 15:43:11,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:11,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 15:43:11,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742655431] [2021-06-11 15:43:11,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 15:43:11,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:11,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 15:43:11,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-11 15:43:11,007 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 215 [2021-06-11 15:43:11,008 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 89 transitions, 838 flow. Second operand has 7 states, 7 states have (on average 173.85714285714286) internal successors, (1217), 7 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:11,008 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:11,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 215 [2021-06-11 15:43:11,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:11,353 INFO L129 PetriNetUnfolder]: 603/1245 cut-off events. [2021-06-11 15:43:11,353 INFO L130 PetriNetUnfolder]: For 12602/21722 co-relation queries the response was YES. [2021-06-11 15:43:11,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7393 conditions, 1245 events. 603/1245 cut-off events. For 12602/21722 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 9205 event pairs, 0 based on Foata normal form. 646/1653 useless extension candidates. Maximal degree in co-relation 7351. Up to 649 conditions per place. [2021-06-11 15:43:11,369 INFO L132 encePairwiseOnDemand]: 207/215 looper letters, 2 selfloop transitions, 37 changer transitions 5/95 dead transitions. [2021-06-11 15:43:11,370 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 95 transitions, 992 flow [2021-06-11 15:43:11,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 15:43:11,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 15:43:11,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1949 transitions. [2021-06-11 15:43:11,374 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8241014799154334 [2021-06-11 15:43:11,374 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1949 transitions. [2021-06-11 15:43:11,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1949 transitions. [2021-06-11 15:43:11,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:11,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1949 transitions. [2021-06-11 15:43:11,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 177.1818181818182) internal successors, (1949), 11 states have internal predecessors, (1949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:11,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 215.0) internal successors, (2580), 12 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:11,381 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 215.0) internal successors, (2580), 12 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:11,381 INFO L185 Difference]: Start difference. First operand has 94 places, 89 transitions, 838 flow. Second operand 11 states and 1949 transitions. [2021-06-11 15:43:11,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 95 transitions, 992 flow [2021-06-11 15:43:11,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 95 transitions, 851 flow, removed 49 selfloop flow, removed 6 redundant places. [2021-06-11 15:43:11,461 INFO L241 Difference]: Finished difference. Result has 101 places, 90 transitions, 802 flow [2021-06-11 15:43:11,461 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=698, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=802, PETRI_PLACES=101, PETRI_TRANSITIONS=90} [2021-06-11 15:43:11,462 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 55 predicate places. [2021-06-11 15:43:11,462 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:11,462 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 90 transitions, 802 flow [2021-06-11 15:43:11,462 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 90 transitions, 802 flow [2021-06-11 15:43:11,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 90 transitions, 802 flow [2021-06-11 15:43:11,564 INFO L129 PetriNetUnfolder]: 573/1175 cut-off events. [2021-06-11 15:43:11,565 INFO L130 PetriNetUnfolder]: For 6284/7338 co-relation queries the response was YES. [2021-06-11 15:43:11,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5468 conditions, 1175 events. 573/1175 cut-off events. For 6284/7338 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 8790 event pairs, 0 based on Foata normal form. 17/960 useless extension candidates. Maximal degree in co-relation 5426. Up to 408 conditions per place. [2021-06-11 15:43:11,590 INFO L151 LiptonReduction]: Number of co-enabled transitions 1888 [2021-06-11 15:43:11,601 INFO L163 LiptonReduction]: Checked pairs total: 622 [2021-06-11 15:43:11,601 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:11,602 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 140 [2021-06-11 15:43:11,602 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 90 transitions, 802 flow [2021-06-11 15:43:11,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 173.85714285714286) internal successors, (1217), 7 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:11,602 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:11,603 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:43:11,603 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-06-11 15:43:11,603 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:11,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:11,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1336717204, now seen corresponding path program 1 times [2021-06-11 15:43:11,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:11,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528121956] [2021-06-11 15:43:11,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:11,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:11,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:43:11,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:11,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 15:43:11,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:11,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:43:11,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:11,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:43:11,685 INFO L142 QuantifierPusher]: treesize reduction 14, result has 36.4 percent of original size [2021-06-11 15:43:11,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 15:43:11,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:11,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 15:43:11,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:11,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528121956] [2021-06-11 15:43:11,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:11,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 15:43:11,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892061230] [2021-06-11 15:43:11,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 15:43:11,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:11,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 15:43:11,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-06-11 15:43:11,702 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 215 [2021-06-11 15:43:11,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 90 transitions, 802 flow. Second operand has 8 states, 8 states have (on average 165.125) internal successors, (1321), 8 states have internal predecessors, (1321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:11,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:11,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 215 [2021-06-11 15:43:11,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:12,239 INFO L129 PetriNetUnfolder]: 1820/3886 cut-off events. [2021-06-11 15:43:12,239 INFO L130 PetriNetUnfolder]: For 24346/28300 co-relation queries the response was YES. [2021-06-11 15:43:12,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18436 conditions, 3886 events. 1820/3886 cut-off events. For 24346/28300 co-relation queries the response was YES. Maximal size of possible extension queue 765. Compared 36965 event pairs, 12 based on Foata normal form. 206/3427 useless extension candidates. Maximal degree in co-relation 18392. Up to 1320 conditions per place. [2021-06-11 15:43:12,280 INFO L132 encePairwiseOnDemand]: 208/215 looper letters, 70 selfloop transitions, 42 changer transitions 15/185 dead transitions. [2021-06-11 15:43:12,280 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 185 transitions, 2100 flow [2021-06-11 15:43:12,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 15:43:12,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 15:43:12,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1342 transitions. [2021-06-11 15:43:12,296 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7802325581395348 [2021-06-11 15:43:12,296 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1342 transitions. [2021-06-11 15:43:12,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1342 transitions. [2021-06-11 15:43:12,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:12,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1342 transitions. [2021-06-11 15:43:12,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 167.75) internal successors, (1342), 8 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:12,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 215.0) internal successors, (1935), 9 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:12,301 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 215.0) internal successors, (1935), 9 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:12,301 INFO L185 Difference]: Start difference. First operand has 100 places, 90 transitions, 802 flow. Second operand 8 states and 1342 transitions. [2021-06-11 15:43:12,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 185 transitions, 2100 flow [2021-06-11 15:43:12,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 185 transitions, 1977 flow, removed 27 selfloop flow, removed 10 redundant places. [2021-06-11 15:43:12,921 INFO L241 Difference]: Finished difference. Result has 101 places, 134 transitions, 1377 flow [2021-06-11 15:43:12,921 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=683, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1377, PETRI_PLACES=101, PETRI_TRANSITIONS=134} [2021-06-11 15:43:12,921 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 55 predicate places. [2021-06-11 15:43:12,921 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:12,921 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 134 transitions, 1377 flow [2021-06-11 15:43:12,921 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 134 transitions, 1377 flow [2021-06-11 15:43:12,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 134 transitions, 1377 flow [2021-06-11 15:43:13,216 INFO L129 PetriNetUnfolder]: 1939/3878 cut-off events. [2021-06-11 15:43:13,216 INFO L130 PetriNetUnfolder]: For 11775/12569 co-relation queries the response was YES. [2021-06-11 15:43:13,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15710 conditions, 3878 events. 1939/3878 cut-off events. For 11775/12569 co-relation queries the response was YES. Maximal size of possible extension queue 772. Compared 34761 event pairs, 7 based on Foata normal form. 60/3199 useless extension candidates. Maximal degree in co-relation 15667. Up to 1432 conditions per place. [2021-06-11 15:43:13,293 INFO L151 LiptonReduction]: Number of co-enabled transitions 3184 [2021-06-11 15:43:13,321 INFO L163 LiptonReduction]: Checked pairs total: 165 [2021-06-11 15:43:13,321 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:13,321 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 400 [2021-06-11 15:43:13,321 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 134 transitions, 1377 flow [2021-06-11 15:43:13,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 165.125) internal successors, (1321), 8 states have internal predecessors, (1321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:13,322 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:13,322 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:43:13,322 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-11 15:43:13,322 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:13,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:13,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1599159130, now seen corresponding path program 2 times [2021-06-11 15:43:13,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:13,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771941537] [2021-06-11 15:43:13,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:43:13,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:13,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:43:13,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:43:13,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:43:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:43:13,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771941537] [2021-06-11 15:43:13,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:43:13,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 15:43:13,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982544498] [2021-06-11 15:43:13,361 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 15:43:13,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:43:13,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 15:43:13,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 15:43:13,362 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 215 [2021-06-11 15:43:13,363 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 134 transitions, 1377 flow. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:13,363 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:43:13,363 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 215 [2021-06-11 15:43:13,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:43:13,975 INFO L129 PetriNetUnfolder]: 2710/5334 cut-off events. [2021-06-11 15:43:13,975 INFO L130 PetriNetUnfolder]: For 15849/16837 co-relation queries the response was YES. [2021-06-11 15:43:14,008 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21677 conditions, 5334 events. 2710/5334 cut-off events. For 15849/16837 co-relation queries the response was YES. Maximal size of possible extension queue 1022. Compared 49346 event pairs, 8 based on Foata normal form. 87/4447 useless extension candidates. Maximal degree in co-relation 21632. Up to 1932 conditions per place. [2021-06-11 15:43:14,034 INFO L132 encePairwiseOnDemand]: 212/215 looper letters, 5 selfloop transitions, 3 changer transitions 0/135 dead transitions. [2021-06-11 15:43:14,034 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 135 transitions, 1395 flow [2021-06-11 15:43:14,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 15:43:14,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 15:43:14,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 557 transitions. [2021-06-11 15:43:14,036 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8635658914728682 [2021-06-11 15:43:14,036 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 557 transitions. [2021-06-11 15:43:14,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 557 transitions. [2021-06-11 15:43:14,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:43:14,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 557 transitions. [2021-06-11 15:43:14,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:14,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:14,039 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:14,039 INFO L185 Difference]: Start difference. First operand has 101 places, 134 transitions, 1377 flow. Second operand 3 states and 557 transitions. [2021-06-11 15:43:14,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 135 transitions, 1395 flow [2021-06-11 15:43:14,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 135 transitions, 1388 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-06-11 15:43:14,817 INFO L241 Difference]: Finished difference. Result has 103 places, 134 transitions, 1381 flow [2021-06-11 15:43:14,817 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=1370, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1381, PETRI_PLACES=103, PETRI_TRANSITIONS=134} [2021-06-11 15:43:14,817 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 57 predicate places. [2021-06-11 15:43:14,817 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:43:14,817 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 134 transitions, 1381 flow [2021-06-11 15:43:14,818 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 134 transitions, 1381 flow [2021-06-11 15:43:14,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 134 transitions, 1381 flow [2021-06-11 15:43:15,212 INFO L129 PetriNetUnfolder]: 2542/4963 cut-off events. [2021-06-11 15:43:15,212 INFO L130 PetriNetUnfolder]: For 15349/16325 co-relation queries the response was YES. [2021-06-11 15:43:15,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20286 conditions, 4963 events. 2542/4963 cut-off events. For 15349/16325 co-relation queries the response was YES. Maximal size of possible extension queue 925. Compared 45236 event pairs, 16 based on Foata normal form. 79/4106 useless extension candidates. Maximal degree in co-relation 20242. Up to 1784 conditions per place. [2021-06-11 15:43:15,309 INFO L151 LiptonReduction]: Number of co-enabled transitions 3184 [2021-06-11 15:43:15,325 INFO L163 LiptonReduction]: Checked pairs total: 165 [2021-06-11 15:43:15,325 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:43:15,326 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 509 [2021-06-11 15:43:15,326 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 134 transitions, 1381 flow [2021-06-11 15:43:15,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:43:15,327 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:43:15,327 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:43:15,327 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-11 15:43:15,327 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:43:15,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:43:15,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1034214268, now seen corresponding path program 3 times [2021-06-11 15:43:15,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:43:15,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402847278] [2021-06-11 15:43:15,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:43:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 15:43:15,365 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 15:43:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 15:43:15,402 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 15:43:15,432 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 15:43:15,432 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 15:43:15,432 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-06-11 15:43:15,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 03:43:15 BasicIcfg [2021-06-11 15:43:15,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 15:43:15,536 INFO L168 Benchmark]: Toolchain (without parser) took 30413.49 ms. Allocated memory was 383.8 MB in the beginning and 1.2 GB in the end (delta: 807.4 MB). Free memory was 346.1 MB in the beginning and 950.2 MB in the end (delta: -604.1 MB). Peak memory consumption was 204.7 MB. Max. memory is 16.0 GB. [2021-06-11 15:43:15,537 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 383.8 MB. Free memory was 364.6 MB in the beginning and 364.6 MB in the end (delta: 71.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 15:43:15,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.06 ms. Allocated memory is still 383.8 MB. Free memory was 345.9 MB in the beginning and 342.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-06-11 15:43:15,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.78 ms. Allocated memory is still 383.8 MB. Free memory was 342.3 MB in the beginning and 339.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 15:43:15,541 INFO L168 Benchmark]: Boogie Preprocessor took 30.43 ms. Allocated memory is still 383.8 MB. Free memory was 339.2 MB in the beginning and 337.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 15:43:15,541 INFO L168 Benchmark]: RCFGBuilder took 1768.78 ms. Allocated memory is still 383.8 MB. Free memory was 337.1 MB in the beginning and 321.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 204.3 MB. Max. memory is 16.0 GB. [2021-06-11 15:43:15,541 INFO L168 Benchmark]: TraceAbstraction took 28012.82 ms. Allocated memory was 383.8 MB in the beginning and 1.2 GB in the end (delta: 807.4 MB). Free memory was 320.4 MB in the beginning and 950.2 MB in the end (delta: -629.8 MB). Peak memory consumption was 177.6 MB. Max. memory is 16.0 GB. [2021-06-11 15:43:15,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 383.8 MB. Free memory was 364.6 MB in the beginning and 364.6 MB in the end (delta: 71.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 523.06 ms. Allocated memory is still 383.8 MB. Free memory was 345.9 MB in the beginning and 342.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 72.78 ms. Allocated memory is still 383.8 MB. Free memory was 342.3 MB in the beginning and 339.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 30.43 ms. Allocated memory is still 383.8 MB. Free memory was 339.2 MB in the beginning and 337.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1768.78 ms. Allocated memory is still 383.8 MB. Free memory was 337.1 MB in the beginning and 321.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 204.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 28012.82 ms. Allocated memory was 383.8 MB in the beginning and 1.2 GB in the end (delta: 807.4 MB). Free memory was 320.4 MB in the beginning and 950.2 MB in the end (delta: -629.8 MB). Peak memory consumption was 177.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6576.4ms, 122 PlacesBefore, 46 PlacesAfterwards, 111 TransitionsBefore, 34 TransitionsAfterwards, 2630 CoEnabledTransitionPairs, 8 FixpointIterations, 39 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 98 TotalNumberOfCompositions, 8174 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3003, positive: 2782, positive conditional: 2782, positive unconditional: 0, negative: 221, negative conditional: 221, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3003, positive: 2782, positive conditional: 0, positive unconditional: 2782, negative: 221, negative conditional: 0, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3003, positive: 2782, positive conditional: 0, positive unconditional: 2782, negative: 221, negative conditional: 0, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1948, positive: 1905, positive conditional: 0, positive unconditional: 1905, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1948, positive: 1874, positive conditional: 0, positive unconditional: 1874, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 858, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 792, negative conditional: 0, negative unconditional: 792, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3003, positive: 877, positive conditional: 0, positive unconditional: 877, negative: 178, negative conditional: 0, negative unconditional: 178, unknown: 1948, unknown conditional: 0, unknown unconditional: 1948] , Statistics on independence cache: Total cache size (in pairs): 1948, Positive cache size: 1905, Positive conditional cache size: 0, Positive unconditional cache size: 1905, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9580.3ms, 42 PlacesBefore, 41 PlacesAfterwards, 31 TransitionsBefore, 30 TransitionsAfterwards, 488 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1094 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 345, positive: 291, positive conditional: 291, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 345, positive: 291, positive conditional: 4, positive unconditional: 287, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 345, positive: 291, positive conditional: 4, positive unconditional: 287, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 92, positive: 76, positive conditional: 2, positive unconditional: 74, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 92, positive: 74, positive conditional: 0, positive unconditional: 74, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 482, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 420, negative conditional: 0, negative unconditional: 420, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 345, positive: 215, positive conditional: 2, positive unconditional: 213, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 92, unknown conditional: 2, unknown unconditional: 90] , Statistics on independence cache: Total cache size (in pairs): 2040, Positive cache size: 1981, Positive conditional cache size: 2, Positive unconditional cache size: 1979, Negative cache size: 59, Negative conditional cache size: 0, Negative unconditional cache size: 59, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 76.8ms, 45 PlacesBefore, 41 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 436 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 448 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 142, positive: 119, positive conditional: 119, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 142, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 142, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 142, positive: 115, positive conditional: 0, positive unconditional: 115, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 2047, Positive cache size: 1985, Positive conditional cache size: 2, Positive unconditional cache size: 1983, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62, Eliminated conditions: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.4ms, 42 PlacesBefore, 42 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 434 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 418 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 142, positive: 121, positive conditional: 121, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 142, positive: 121, positive conditional: 0, positive unconditional: 121, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 142, positive: 121, positive conditional: 0, positive unconditional: 121, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 142, positive: 118, positive conditional: 0, positive unconditional: 118, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 2050, Positive cache size: 1988, Positive conditional cache size: 2, Positive unconditional cache size: 1986, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62, Eliminated conditions: 23 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.6ms, 43 PlacesBefore, 43 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 500 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 346 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 76, positive: 59, positive conditional: 59, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 76, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 76, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 76, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 2059, Positive cache size: 1997, Positive conditional cache size: 2, Positive unconditional cache size: 1995, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62, Eliminated conditions: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 128.3ms, 45 PlacesBefore, 45 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 556 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 247 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 96, positive: 85, positive conditional: 85, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 96, positive: 85, positive conditional: 4, positive unconditional: 81, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 85, positive conditional: 4, positive unconditional: 81, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 13, positive conditional: 3, positive unconditional: 10, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 96, positive: 72, positive conditional: 1, positive unconditional: 71, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 17, unknown conditional: 3, unknown unconditional: 14] , Statistics on independence cache: Total cache size (in pairs): 2076, Positive cache size: 2010, Positive conditional cache size: 5, Positive unconditional cache size: 2005, Negative cache size: 66, Negative conditional cache size: 0, Negative unconditional cache size: 66, Eliminated conditions: 26 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.3ms, 49 PlacesBefore, 49 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 626 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 226 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 101, positive: 92, positive conditional: 92, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 101, positive: 92, positive conditional: 27, positive unconditional: 65, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 92, positive conditional: 27, positive unconditional: 65, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 3, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 101, positive: 87, positive conditional: 24, positive unconditional: 63, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 2081, Positive cache size: 2015, Positive conditional cache size: 8, Positive unconditional cache size: 2007, Negative cache size: 66, Negative conditional cache size: 0, Negative unconditional cache size: 66, Eliminated conditions: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.8ms, 55 PlacesBefore, 55 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 814 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 359 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 124, positive: 113, positive conditional: 113, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 124, positive: 113, positive conditional: 33, positive unconditional: 80, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 124, positive: 113, positive conditional: 33, positive unconditional: 80, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 124, positive: 113, positive conditional: 33, positive unconditional: 80, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 2082, Positive cache size: 2015, Positive conditional cache size: 8, Positive unconditional cache size: 2007, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Eliminated conditions: 30 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 55.2ms, 60 PlacesBefore, 60 PlacesAfterwards, 54 TransitionsBefore, 54 TransitionsAfterwards, 886 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 419 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 177, positive: 165, positive conditional: 165, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 177, positive: 165, positive conditional: 60, positive unconditional: 105, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 177, positive: 165, positive conditional: 60, positive unconditional: 105, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, 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: 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: 177, positive: 161, positive conditional: 56, positive unconditional: 105, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2086, Positive cache size: 2019, Positive conditional cache size: 12, Positive unconditional cache size: 2007, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Eliminated conditions: 50 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.1ms, 64 PlacesBefore, 64 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 481 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 208, positive: 195, positive conditional: 195, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 208, positive: 195, positive conditional: 61, positive unconditional: 134, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 208, positive: 195, positive conditional: 61, positive unconditional: 134, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 1, positive unconditional: 6, 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: 208, positive: 188, positive conditional: 60, positive unconditional: 128, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 7, unknown conditional: 1, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 2093, Positive cache size: 2026, Positive conditional cache size: 13, Positive unconditional cache size: 2013, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Eliminated conditions: 54 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.3ms, 71 PlacesBefore, 71 PlacesAfterwards, 70 TransitionsBefore, 70 TransitionsAfterwards, 1080 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 664 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 274, positive: 258, positive conditional: 258, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 274, positive: 258, positive conditional: 98, positive unconditional: 160, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 274, positive: 258, positive conditional: 98, positive unconditional: 160, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, 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: 6, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 274, positive: 252, positive conditional: 92, positive unconditional: 160, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2099, Positive cache size: 2032, Positive conditional cache size: 19, Positive unconditional cache size: 2013, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Eliminated conditions: 58 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 65.0ms, 75 PlacesBefore, 75 PlacesAfterwards, 72 TransitionsBefore, 72 TransitionsAfterwards, 1120 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 724 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 231, positive: 214, positive conditional: 214, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 231, positive: 214, positive conditional: 57, positive unconditional: 157, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 231, positive: 214, positive conditional: 57, positive unconditional: 157, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 231, positive: 211, positive conditional: 55, positive unconditional: 156, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 3, unknown conditional: 2, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 2102, Positive cache size: 2035, Positive conditional cache size: 21, Positive unconditional cache size: 2014, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Eliminated conditions: 68 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 69.2ms, 77 PlacesBefore, 77 PlacesAfterwards, 75 TransitionsBefore, 75 TransitionsAfterwards, 1174 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 792 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 186, positive: 168, positive conditional: 168, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 186, positive: 168, positive conditional: 68, positive unconditional: 100, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 186, positive: 168, positive conditional: 68, positive unconditional: 100, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 186, positive: 165, positive conditional: 65, positive unconditional: 100, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2105, Positive cache size: 2038, Positive conditional cache size: 24, Positive unconditional cache size: 2014, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Eliminated conditions: 42 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.4ms, 82 PlacesBefore, 82 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 1238 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 922 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 318, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 318, positive: 298, positive conditional: 106, positive unconditional: 192, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 318, positive: 298, positive conditional: 106, positive unconditional: 192, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 318, positive: 297, positive conditional: 105, positive unconditional: 192, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2106, Positive cache size: 2039, Positive conditional cache size: 25, Positive unconditional cache size: 2014, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Eliminated conditions: 74 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 185.5ms, 84 PlacesBefore, 84 PlacesAfterwards, 90 TransitionsBefore, 90 TransitionsAfterwards, 1610 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 832 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 206, positive: 190, positive conditional: 190, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 206, positive: 190, positive conditional: 126, positive unconditional: 64, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 206, positive: 190, positive conditional: 126, positive unconditional: 64, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 206, positive: 189, positive conditional: 125, positive unconditional: 64, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2107, Positive cache size: 2040, Positive conditional cache size: 26, Positive unconditional cache size: 2014, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Eliminated conditions: 34 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 231.0ms, 87 PlacesBefore, 87 PlacesAfterwards, 90 TransitionsBefore, 90 TransitionsAfterwards, 1610 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 832 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 458, positive: 442, positive conditional: 442, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 458, positive: 442, positive conditional: 280, positive unconditional: 162, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 458, positive: 442, positive conditional: 280, positive unconditional: 162, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.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: 458, positive: 441, positive conditional: 280, positive unconditional: 161, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 2108, Positive cache size: 2041, Positive conditional cache size: 26, Positive unconditional cache size: 2015, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Eliminated conditions: 48 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 238.7ms, 88 PlacesBefore, 88 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 1812 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 496 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 100, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 100, positive: 90, positive conditional: 50, positive unconditional: 40, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 100, positive: 90, positive conditional: 50, positive unconditional: 40, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 100, positive: 89, positive conditional: 49, positive unconditional: 40, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2109, Positive cache size: 2042, Positive conditional cache size: 27, Positive unconditional cache size: 2015, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Eliminated conditions: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 144.3ms, 94 PlacesBefore, 94 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 1924 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 546 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 290, positive: 280, positive conditional: 280, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 290, positive: 280, positive conditional: 180, positive unconditional: 100, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 290, positive: 280, positive conditional: 180, positive unconditional: 100, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.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: 290, positive: 280, positive conditional: 180, positive unconditional: 100, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2109, Positive cache size: 2042, Positive conditional cache size: 27, Positive unconditional cache size: 2015, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Eliminated conditions: 42 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 139.4ms, 101 PlacesBefore, 100 PlacesAfterwards, 90 TransitionsBefore, 90 TransitionsAfterwards, 1888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 622 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 298, positive: 286, positive conditional: 286, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 298, positive: 286, positive conditional: 219, positive unconditional: 67, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 298, positive: 286, positive conditional: 219, positive unconditional: 67, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 14, positive unconditional: 3, 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: 17, positive: 17, positive conditional: 0, positive unconditional: 17, 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: 298, positive: 269, positive conditional: 205, positive unconditional: 64, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 17, unknown conditional: 14, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 2126, Positive cache size: 2059, Positive conditional cache size: 41, Positive unconditional cache size: 2018, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Eliminated conditions: 29 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 399.3ms, 101 PlacesBefore, 101 PlacesAfterwards, 134 TransitionsBefore, 134 TransitionsAfterwards, 3184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 165 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 111, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 111, positive: 108, positive conditional: 87, positive unconditional: 21, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 111, positive: 108, positive conditional: 87, positive unconditional: 21, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 12, positive unconditional: 3, 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: 15, positive: 15, positive conditional: 0, positive unconditional: 15, 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: 111, positive: 93, positive conditional: 75, positive unconditional: 18, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 15, unknown conditional: 12, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 2141, Positive cache size: 2074, Positive conditional cache size: 53, Positive unconditional cache size: 2021, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Eliminated conditions: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 508.0ms, 103 PlacesBefore, 103 PlacesAfterwards, 134 TransitionsBefore, 134 TransitionsAfterwards, 3184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 165 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 39, positive: 36, positive conditional: 27, positive unconditional: 9, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 36, positive conditional: 27, positive unconditional: 9, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.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: 39, positive: 36, positive conditional: 27, positive unconditional: 9, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2141, Positive cache size: 2074, Positive conditional cache size: 53, Positive unconditional cache size: 2021, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Eliminated conditions: 9 - 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 __unbuffered_p3_EBX = 0; [L716] 0 int a = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L722] 0 int y = 0; [L723] 0 _Bool y$flush_delayed; [L724] 0 int y$mem_tmp; [L725] 0 _Bool y$r_buff0_thd0; [L726] 0 _Bool y$r_buff0_thd1; [L727] 0 _Bool y$r_buff0_thd2; [L728] 0 _Bool y$r_buff0_thd3; [L729] 0 _Bool y$r_buff0_thd4; [L730] 0 _Bool y$r_buff1_thd0; [L731] 0 _Bool y$r_buff1_thd1; [L732] 0 _Bool y$r_buff1_thd2; [L733] 0 _Bool y$r_buff1_thd3; [L734] 0 _Bool y$r_buff1_thd4; [L735] 0 _Bool y$read_delayed; [L736] 0 int *y$read_delayed_var; [L737] 0 int y$w_buff0; [L738] 0 _Bool y$w_buff0_used; [L739] 0 int y$w_buff1; [L740] 0 _Bool y$w_buff1_used; [L742] 0 int z = 0; [L743] 0 _Bool weak$$choice0; [L744] 0 _Bool weak$$choice2; [L844] 0 pthread_t t805; [L845] FCALL, FORK 0 pthread_create(&t805, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L846] 0 pthread_t t806; [L847] FCALL, FORK 0 pthread_create(&t806, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=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, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L848] 0 pthread_t t807; [L849] FCALL, FORK 0 pthread_create(&t807, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=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, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L783] 3 y$w_buff1 = y$w_buff0 [L784] 3 y$w_buff0 = 2 [L785] 3 y$w_buff1_used = y$w_buff0_used [L786] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L788] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L789] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L790] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L791] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L792] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L793] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L796] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=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, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L850] 0 pthread_t t808; [L851] FCALL, FORK 0 pthread_create(&t808, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=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, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L813] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=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=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L816] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=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=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L819] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=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=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L748] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=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=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L751] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=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=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L763] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=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=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L766] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=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=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L769] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L769] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L770] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L770] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L771] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L772] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L773] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L799] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L799] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L800] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L800] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L801] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L801] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L802] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L802] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L803] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L803] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L822] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L822] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L822] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L822] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L823] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L823] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L824] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L824] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L825] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L825] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L826] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L826] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L758] 1 return 0; [L776] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L778] 2 return 0; [L806] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L808] 3 return 0; [L829] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L831] 4 return 0; [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L858] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L859] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L860] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L860] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L861] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L864] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L865] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L866] 0 y$flush_delayed = weak$$choice2 [L867] 0 y$mem_tmp = y [L868] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L868] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L869] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L869] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L870] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L870] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L871] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L871] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L872] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L873] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L873] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L874] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L876] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L876] 0 y = y$flush_delayed ? y$mem_tmp : y [L877] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 114 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 27780.0ms, OverallIterations: 21, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 6575.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6680.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 103 SDtfs, 68 SDslu, 36 SDs, 0 SdLazy, 686 SolverSat, 171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 847.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 888.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1381occurred in iteration=20, InterpolantAutomatonStates: 107, 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: 60.1ms SsaConstructionTime, 471.2ms SatisfiabilityAnalysisTime, 1545.5ms InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 321 ConstructedInterpolants, 0 QuantifiedInterpolants, 2626 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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...