/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/safe011_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 16:05:29,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 16:05:29,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 16:05:29,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 16:05:29,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 16:05:29,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 16:05:29,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 16:05:29,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 16:05:29,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 16:05:29,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 16:05:29,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 16:05:29,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 16:05:29,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 16:05:29,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 16:05:29,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 16:05:29,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 16:05:29,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 16:05:29,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 16:05:29,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 16:05:29,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 16:05:29,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 16:05:29,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 16:05:29,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 16:05:29,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 16:05:29,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-11 16:05:29,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 16:05:29,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 16:05:29,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 16:05:29,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 16:05:29,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 16:05:29,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 16:05:29,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 16:05:29,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 16:05:29,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 16:05:29,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 16:05:29,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 16:05:29,780 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 16:05:29,820 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 16:05:29,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 16:05:29,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 16:05:29,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 16:05:29,822 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 16:05:29,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 16:05:29,822 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 16:05:29,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 16:05:29,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 16:05:29,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 16:05:29,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 16:05:29,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 16:05:29,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 16:05:29,824 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 16:05:29,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 16:05:29,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 16:05:29,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 16:05:29,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 16:05:29,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 16:05:29,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 16:05:29,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 16:05:29,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 16:05:29,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 16:05:29,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 16:05:29,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 16:05:29,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 16:05:29,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 16:05:29,826 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 16:05:29,826 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 16:05:29,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 16:05:29,827 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 16:05:30,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 16:05:30,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 16:05:30,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 16:05:30,147 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 16:05:30,147 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 16:05:30,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe011_rmo.oepc.i [2021-06-11 16:05:30,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f1b929fb/58add3c8500c4b2bb0c60aa929b1c975/FLAG5a5ee6d40 [2021-06-11 16:05:30,891 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 16:05:30,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_rmo.oepc.i [2021-06-11 16:05:30,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f1b929fb/58add3c8500c4b2bb0c60aa929b1c975/FLAG5a5ee6d40 [2021-06-11 16:05:31,229 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f1b929fb/58add3c8500c4b2bb0c60aa929b1c975 [2021-06-11 16:05:31,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 16:05:31,234 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 16:05:31,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 16:05:31,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 16:05:31,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 16:05:31,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 04:05:31" (1/1) ... [2021-06-11 16:05:31,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c5fd728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:05:31, skipping insertion in model container [2021-06-11 16:05:31,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 04:05:31" (1/1) ... [2021-06-11 16:05:31,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 16:05:31,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 16:05:31,478 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/safe011_rmo.oepc.i[950,963] [2021-06-11 16:05:31,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 16:05:31,706 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 16:05:31,720 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/safe011_rmo.oepc.i[950,963] [2021-06-11 16:05:31,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 16:05:31,812 INFO L208 MainTranslator]: Completed translation [2021-06-11 16:05:31,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:05:31 WrapperNode [2021-06-11 16:05:31,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 16:05:31,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 16:05:31,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 16:05:31,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 16:05:31,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:05:31" (1/1) ... [2021-06-11 16:05:31,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:05:31" (1/1) ... [2021-06-11 16:05:31,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 16:05:31,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 16:05:31,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 16:05:31,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 16:05:31,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:05:31" (1/1) ... [2021-06-11 16:05:31,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:05:31" (1/1) ... [2021-06-11 16:05:31,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:05:31" (1/1) ... [2021-06-11 16:05:31,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:05:31" (1/1) ... [2021-06-11 16:05:31,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:05:31" (1/1) ... [2021-06-11 16:05:31,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:05:31" (1/1) ... [2021-06-11 16:05:31,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:05:31" (1/1) ... [2021-06-11 16:05:31,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 16:05:31,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 16:05:31,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 16:05:31,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 16:05:31,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:05:31" (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 16:05:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 16:05:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 16:05:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 16:05:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 16:05:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 16:05:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 16:05:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 16:05:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 16:05:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 16:05:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 16:05:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 16:05:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 16:05:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 16:05:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 16:05:31,985 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 16:05:33,649 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 16:05:33,649 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-11 16:05:33,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 04:05:33 BoogieIcfgContainer [2021-06-11 16:05:33,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 16:05:33,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 16:05:33,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 16:05:33,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 16:05:33,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 04:05:31" (1/3) ... [2021-06-11 16:05:33,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78935b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 04:05:33, skipping insertion in model container [2021-06-11 16:05:33,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:05:31" (2/3) ... [2021-06-11 16:05:33,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78935b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 04:05:33, skipping insertion in model container [2021-06-11 16:05:33,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 04:05:33" (3/3) ... [2021-06-11 16:05:33,658 INFO L111 eAbstractionObserver]: Analyzing ICFG safe011_rmo.oepc.i [2021-06-11 16:05:33,666 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 16:05:33,670 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-11 16:05:33,671 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 16:05:33,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,706 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,706 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,706 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,706 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,706 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,707 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,707 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,707 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,709 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,709 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,710 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,710 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,710 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,710 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,710 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,710 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,712 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,713 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,713 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,713 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,713 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,713 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,713 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,716 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,716 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,716 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,717 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,717 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,717 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,717 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,717 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,718 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,718 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,720 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,720 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,720 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,720 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,721 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,721 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,722 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,722 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,724 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,724 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,727 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,729 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,729 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,731 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,732 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,737 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,738 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,739 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,739 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:05:33,740 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 16:05:33,756 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-11 16:05:33,784 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 16:05:33,784 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 16:05:33,784 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 16:05:33,784 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 16:05:33,784 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 16:05:33,784 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 16:05:33,784 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 16:05:33,784 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 16:05:33,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2021-06-11 16:05:33,827 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-06-11 16:05:33,827 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:05:33,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-06-11 16:05:33,830 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 97 transitions, 209 flow [2021-06-11 16:05:33,834 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 94 transitions, 197 flow [2021-06-11 16:05:33,835 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:05:33,845 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 94 transitions, 197 flow [2021-06-11 16:05:33,848 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 94 transitions, 197 flow [2021-06-11 16:05:33,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 94 transitions, 197 flow [2021-06-11 16:05:33,866 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-06-11 16:05:33,866 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:05:33,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-06-11 16:05:33,869 INFO L151 LiptonReduction]: Number of co-enabled transitions 1694 [2021-06-11 16:05:33,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:33,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:33,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:33,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:05:33,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:05:34,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:34,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:34,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:34,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:34,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:34,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:34,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:34,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:34,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:34,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:34,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:34,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:34,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:34,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:05:34,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:05:34,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:34,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:05:34,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:05:34,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:34,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:34,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:34,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:34,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:34,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:05:34,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:05:34,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:34,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,925 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 16:05:34,925 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:34,959 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:34,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:35,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:35,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:35,266 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 16:05:35,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:35,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:35,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:35,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:35,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:35,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:35,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:35,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:35,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:35,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:35,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:35,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:35,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:35,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:35,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:35,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:35,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:35,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:35,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:35,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:35,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:35,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:35,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:35,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:35,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:35,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:35,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:35,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:35,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:36,170 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-11 16:05:36,561 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-06-11 16:05:36,690 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-11 16:05:36,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:36,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:36,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:36,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 16:05:36,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:36,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:36,730 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 1] term [2021-06-11 16:05:36,730 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:36,734 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:36,740 INFO L147 QuantifierPusher]: treesize reduction 37, result has 63.0 percent of original size 63 [2021-06-11 16:05:36,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:36,743 INFO L142 QuantifierPusher]: treesize reduction 37, result has 76.9 percent of original size [2021-06-11 16:05:36,745 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 4, 2, 1] term [2021-06-11 16:05:36,745 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:36,747 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:36,752 INFO L147 QuantifierPusher]: treesize reduction 89, result has 36.0 percent of original size 50 [2021-06-11 16:05:36,754 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 4, 2, 1] term [2021-06-11 16:05:36,755 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:36,757 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:36,766 INFO L147 QuantifierPusher]: treesize reduction 154, result has 42.1 percent of original size 112 [2021-06-11 16:05:36,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:36,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:37,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:37,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:05:37,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:05:37,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:37,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:37,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:37,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:05:37,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:05:37,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:37,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:37,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,344 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-11 16:05:37,390 INFO L142 QuantifierPusher]: treesize reduction 84, result has 91.1 percent of original size [2021-06-11 16:05:37,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:37,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-06-11 16:05:37,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:37,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,402 INFO L147 QuantifierPusher]: treesize reduction 22, result has 4.3 percent of original size 1 [2021-06-11 16:05:37,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:37,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:37,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:37,405 INFO L142 QuantifierPusher]: treesize reduction 24, result has 78.4 percent of original size [2021-06-11 16:05:37,407 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.2 percent of original size 55 [2021-06-11 16:05:37,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:37,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 16:05:37,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:37,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 16:05:37,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:37,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,426 INFO L147 QuantifierPusher]: treesize reduction 13, result has 82.4 percent of original size 61 [2021-06-11 16:05:37,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:37,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 16:05:37,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:37,432 INFO L142 QuantifierPusher]: treesize reduction 13, result has 92.7 percent of original size [2021-06-11 16:05:37,433 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 2, 2, 4, 3, 2, 1] term [2021-06-11 16:05:37,433 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:37,434 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,435 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 3, 2, 1] term [2021-06-11 16:05:37,435 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:37,436 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,437 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 2, 2, 1] term [2021-06-11 16:05:37,437 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:37,438 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,445 INFO L147 QuantifierPusher]: treesize reduction 178, result has 42.4 percent of original size 131 [2021-06-11 16:05:37,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:37,449 INFO L142 QuantifierPusher]: treesize reduction 178, result has 57.0 percent of original size [2021-06-11 16:05:37,450 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 4, 4, 2, 2, 1] term [2021-06-11 16:05:37,450 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:37,451 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,452 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 3, 4, 2, 2, 1] term [2021-06-11 16:05:37,452 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:37,455 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,455 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 3, 4, 2, 2, 1] term [2021-06-11 16:05:37,455 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:37,457 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,461 INFO L147 QuantifierPusher]: treesize reduction 432, result has 23.3 percent of original size 131 [2021-06-11 16:05:37,461 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 4, 3, 3, 4, 3, 4, 3, 4, 2, 2, 1] term [2021-06-11 16:05:37,462 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:37,463 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,464 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 4, 3, 3, 4, 3, 4, 3, 4, 2, 2, 1] term [2021-06-11 16:05:37,464 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:37,465 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,466 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 4, 3, 3, 4, 3, 4, 3, 4, 2, 2, 1] term [2021-06-11 16:05:37,466 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:37,467 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,479 INFO L147 QuantifierPusher]: treesize reduction 1685, result has 15.3 percent of original size 304 [2021-06-11 16:05:37,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:37,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:37,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:37,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:05:37,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:05:37,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:37,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:37,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:37,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 16:05:37,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:05:37,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:37,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:37,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 16:05:37,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 16:05:37,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:37,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:37,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 16:05:37,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 16:05:38,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:38,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:38,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:38,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:05:38,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:05:38,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:38,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:38,713 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-06-11 16:05:38,848 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-11 16:05:39,137 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-06-11 16:05:39,257 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-11 16:05:39,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:39,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:39,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:39,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:05:39,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:05:39,292 INFO L163 LiptonReduction]: Checked pairs total: 4849 [2021-06-11 16:05:39,292 INFO L165 LiptonReduction]: Total number of compositions: 86 [2021-06-11 16:05:39,295 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5461 [2021-06-11 16:05:39,301 INFO L129 PetriNetUnfolder]: 0/4 cut-off events. [2021-06-11 16:05:39,301 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:05:39,301 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:05:39,302 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 16:05:39,302 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:05:39,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:05:39,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1062770, now seen corresponding path program 1 times [2021-06-11 16:05:39,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:05:39,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634742824] [2021-06-11 16:05:39,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:05:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:05:39,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:39,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:05:39,450 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 16:05:39,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634742824] [2021-06-11 16:05:39,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:05:39,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 16:05:39,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848682604] [2021-06-11 16:05:39,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 16:05:39,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:05:39,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 16:05:39,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 16:05:39,471 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 183 [2021-06-11 16:05:39,473 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 67 flow. Second operand has 3 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:05:39,473 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:05:39,473 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 183 [2021-06-11 16:05:39,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:05:39,555 INFO L129 PetriNetUnfolder]: 49/137 cut-off events. [2021-06-11 16:05:39,555 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:05:39,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 137 events. 49/137 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 626 event pairs, 38 based on Foata normal form. 23/140 useless extension candidates. Maximal degree in co-relation 223. Up to 65 conditions per place. [2021-06-11 16:05:39,558 INFO L132 encePairwiseOnDemand]: 178/183 looper letters, 9 selfloop transitions, 2 changer transitions 1/30 dead transitions. [2021-06-11 16:05:39,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 30 transitions, 91 flow [2021-06-11 16:05:39,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 16:05:39,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 16:05:39,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions. [2021-06-11 16:05:39,576 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8542805100182149 [2021-06-11 16:05:39,577 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 469 transitions. [2021-06-11 16:05:39,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 469 transitions. [2021-06-11 16:05:39,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:05:39,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 469 transitions. [2021-06-11 16:05:39,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 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 16:05:39,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 183.0) internal successors, (732), 4 states have internal predecessors, (732), 0 states have call successors, (0), 0 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 16:05:39,595 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 183.0) internal successors, (732), 4 states have internal predecessors, (732), 0 states have call successors, (0), 0 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 16:05:39,597 INFO L185 Difference]: Start difference. First operand has 38 places, 29 transitions, 67 flow. Second operand 3 states and 469 transitions. [2021-06-11 16:05:39,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 30 transitions, 91 flow [2021-06-11 16:05:39,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 30 transitions, 88 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 16:05:39,602 INFO L241 Difference]: Finished difference. Result has 35 places, 25 transitions, 60 flow [2021-06-11 16:05:39,604 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=35, PETRI_TRANSITIONS=25} [2021-06-11 16:05:39,605 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -3 predicate places. [2021-06-11 16:05:39,605 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:05:39,605 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 25 transitions, 60 flow [2021-06-11 16:05:39,606 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 25 transitions, 60 flow [2021-06-11 16:05:39,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 25 transitions, 60 flow [2021-06-11 16:05:39,611 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2021-06-11 16:05:39,611 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:05:39,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 25 events. 0/25 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 47 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 16:05:39,612 INFO L151 LiptonReduction]: Number of co-enabled transitions 304 [2021-06-11 16:05:40,550 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-06-11 16:05:40,963 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-06-11 16:05:42,399 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-06-11 16:05:43,067 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-06-11 16:05:43,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:43,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:43,760 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 203 [2021-06-11 16:05:44,341 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 200 [2021-06-11 16:05:45,820 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 333 DAG size of output: 287 [2021-06-11 16:05:46,457 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2021-06-11 16:05:46,745 INFO L163 LiptonReduction]: Checked pairs total: 676 [2021-06-11 16:05:46,745 INFO L165 LiptonReduction]: Total number of compositions: 2 [2021-06-11 16:05:46,746 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7141 [2021-06-11 16:05:46,749 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 58 flow [2021-06-11 16:05:46,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:05:46,750 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:05:46,750 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:05:46,750 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 16:05:46,750 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:05:46,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:05:46,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1616601022, now seen corresponding path program 1 times [2021-06-11 16:05:46,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:05:46,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083317356] [2021-06-11 16:05:46,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:05:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:05:46,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:46,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:05:46,925 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-11 16:05:46,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 16:05:46,942 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 16:05:46,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083317356] [2021-06-11 16:05:46,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:05:46,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:05:46,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099614198] [2021-06-11 16:05:46,943 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:05:46,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:05:46,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:05:46,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:05:46,946 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 185 [2021-06-11 16:05:46,947 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 0 states have call successors, (0), 0 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 16:05:46,947 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:05:46,947 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 185 [2021-06-11 16:05:46,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:05:46,991 INFO L129 PetriNetUnfolder]: 1/26 cut-off events. [2021-06-11 16:05:46,991 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:05:46,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 26 events. 1/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 52 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 34. Up to 3 conditions per place. [2021-06-11 16:05:46,991 INFO L132 encePairwiseOnDemand]: 181/185 looper letters, 1 selfloop transitions, 2 changer transitions 5/26 dead transitions. [2021-06-11 16:05:46,991 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 26 transitions, 74 flow [2021-06-11 16:05:46,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 16:05:46,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 16:05:46,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 742 transitions. [2021-06-11 16:05:46,994 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8021621621621622 [2021-06-11 16:05:46,994 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 742 transitions. [2021-06-11 16:05:46,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 742 transitions. [2021-06-11 16:05:46,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:05:46,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 742 transitions. [2021-06-11 16:05:46,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 148.4) internal successors, (742), 5 states have internal predecessors, (742), 0 states have call successors, (0), 0 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 16:05:46,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 185.0) internal successors, (1110), 6 states have internal predecessors, (1110), 0 states have call successors, (0), 0 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 16:05:46,999 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 185.0) internal successors, (1110), 6 states have internal predecessors, (1110), 0 states have call successors, (0), 0 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 16:05:46,999 INFO L185 Difference]: Start difference. First operand has 33 places, 24 transitions, 58 flow. Second operand 5 states and 742 transitions. [2021-06-11 16:05:46,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 26 transitions, 74 flow [2021-06-11 16:05:47,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 26 transitions, 70 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 16:05:47,001 INFO L241 Difference]: Finished difference. Result has 36 places, 21 transitions, 56 flow [2021-06-11 16:05:47,001 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=56, PETRI_PLACES=36, PETRI_TRANSITIONS=21} [2021-06-11 16:05:47,002 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -2 predicate places. [2021-06-11 16:05:47,002 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:05:47,002 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 21 transitions, 56 flow [2021-06-11 16:05:47,002 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 21 transitions, 56 flow [2021-06-11 16:05:47,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 21 transitions, 56 flow [2021-06-11 16:05:47,010 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-06-11 16:05:47,010 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:05:47,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 21 events. 0/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-06-11 16:05:47,011 INFO L151 LiptonReduction]: Number of co-enabled transitions 214 [2021-06-11 16:05:47,409 INFO L163 LiptonReduction]: Checked pairs total: 248 [2021-06-11 16:05:47,409 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:05:47,409 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 407 [2021-06-11 16:05:47,410 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 21 transitions, 56 flow [2021-06-11 16:05:47,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 0 states have call successors, (0), 0 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 16:05:47,411 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:05:47,411 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:05:47,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 16:05:47,411 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:05:47,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:05:47,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1615797434, now seen corresponding path program 1 times [2021-06-11 16:05:47,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:05:47,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645634336] [2021-06-11 16:05:47,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:05:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:05:47,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:47,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:05:47,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:47,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:05:47,500 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 16:05:47,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645634336] [2021-06-11 16:05:47,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:05:47,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:05:47,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393319124] [2021-06-11 16:05:47,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:05:47,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:05:47,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:05:47,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:05:47,502 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 185 [2021-06-11 16:05:47,503 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 21 transitions, 56 flow. Second operand has 4 states, 4 states have (on average 151.75) internal successors, (607), 4 states have internal predecessors, (607), 0 states have call successors, (0), 0 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 16:05:47,503 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:05:47,503 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 185 [2021-06-11 16:05:47,503 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:05:47,524 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-06-11 16:05:47,524 INFO L130 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2021-06-11 16:05:47,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 28 events. 0/28 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 61 event pairs, 0 based on Foata normal form. 3/31 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-06-11 16:05:47,525 INFO L132 encePairwiseOnDemand]: 181/185 looper letters, 1 selfloop transitions, 3 changer transitions 1/22 dead transitions. [2021-06-11 16:05:47,525 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 22 transitions, 71 flow [2021-06-11 16:05:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:05:47,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:05:47,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 611 transitions. [2021-06-11 16:05:47,527 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8256756756756757 [2021-06-11 16:05:47,527 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 611 transitions. [2021-06-11 16:05:47,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 611 transitions. [2021-06-11 16:05:47,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:05:47,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 611 transitions. [2021-06-11 16:05:47,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 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 16:05:47,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 185.0) internal successors, (925), 5 states have internal predecessors, (925), 0 states have call successors, (0), 0 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 16:05:47,531 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 185.0) internal successors, (925), 5 states have internal predecessors, (925), 0 states have call successors, (0), 0 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 16:05:47,531 INFO L185 Difference]: Start difference. First operand has 31 places, 21 transitions, 56 flow. Second operand 4 states and 611 transitions. [2021-06-11 16:05:47,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 22 transitions, 71 flow [2021-06-11 16:05:47,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 22 transitions, 65 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 16:05:47,531 INFO L241 Difference]: Finished difference. Result has 34 places, 21 transitions, 66 flow [2021-06-11 16:05:47,532 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=66, PETRI_PLACES=34, PETRI_TRANSITIONS=21} [2021-06-11 16:05:47,532 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -4 predicate places. [2021-06-11 16:05:47,532 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:05:47,532 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 21 transitions, 66 flow [2021-06-11 16:05:47,532 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 21 transitions, 66 flow [2021-06-11 16:05:47,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 21 transitions, 66 flow [2021-06-11 16:05:47,536 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-06-11 16:05:47,536 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 16:05:47,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 21 events. 0/21 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-06-11 16:05:47,536 INFO L151 LiptonReduction]: Number of co-enabled transitions 194 [2021-06-11 16:05:47,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:47,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:47,568 INFO L163 LiptonReduction]: Checked pairs total: 383 [2021-06-11 16:05:47,568 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 16:05:47,568 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-06-11 16:05:47,569 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 20 transitions, 64 flow [2021-06-11 16:05:47,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 151.75) internal successors, (607), 4 states have internal predecessors, (607), 0 states have call successors, (0), 0 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 16:05:47,569 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:05:47,569 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:05:47,569 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-11 16:05:47,569 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:05:47,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:05:47,570 INFO L82 PathProgramCache]: Analyzing trace with hash -2035613172, now seen corresponding path program 1 times [2021-06-11 16:05:47,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:05:47,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702523944] [2021-06-11 16:05:47,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:05:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:05:47,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:47,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:05:47,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:47,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 16:05:47,669 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 16:05:47,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702523944] [2021-06-11 16:05:47,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:05:47,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:05:47,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230073486] [2021-06-11 16:05:47,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:05:47,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:05:47,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:05:47,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:05:47,673 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 186 [2021-06-11 16:05:47,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 20 transitions, 64 flow. Second operand has 4 states, 4 states have (on average 140.75) internal successors, (563), 4 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 16:05:47,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:05:47,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 186 [2021-06-11 16:05:47,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:05:47,739 INFO L129 PetriNetUnfolder]: 76/156 cut-off events. [2021-06-11 16:05:47,739 INFO L130 PetriNetUnfolder]: For 91/94 co-relation queries the response was YES. [2021-06-11 16:05:47,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 350 conditions, 156 events. 76/156 cut-off events. For 91/94 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 573 event pairs, 28 based on Foata normal form. 2/154 useless extension candidates. Maximal degree in co-relation 338. Up to 124 conditions per place. [2021-06-11 16:05:47,745 INFO L132 encePairwiseOnDemand]: 180/186 looper letters, 9 selfloop transitions, 7 changer transitions 0/28 dead transitions. [2021-06-11 16:05:47,745 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 28 transitions, 112 flow [2021-06-11 16:05:47,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:05:47,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:05:47,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 578 transitions. [2021-06-11 16:05:47,747 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7768817204301075 [2021-06-11 16:05:47,748 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 578 transitions. [2021-06-11 16:05:47,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 578 transitions. [2021-06-11 16:05:47,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:05:47,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 578 transitions. [2021-06-11 16:05:47,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 144.5) internal successors, (578), 4 states have internal predecessors, (578), 0 states have call successors, (0), 0 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 16:05:47,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 186.0) internal successors, (930), 5 states have internal predecessors, (930), 0 states have call successors, (0), 0 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 16:05:47,751 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 186.0) internal successors, (930), 5 states have internal predecessors, (930), 0 states have call successors, (0), 0 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 16:05:47,751 INFO L185 Difference]: Start difference. First operand has 33 places, 20 transitions, 64 flow. Second operand 4 states and 578 transitions. [2021-06-11 16:05:47,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 28 transitions, 112 flow [2021-06-11 16:05:47,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 28 transitions, 100 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-06-11 16:05:47,754 INFO L241 Difference]: Finished difference. Result has 34 places, 26 transitions, 98 flow [2021-06-11 16:05:47,754 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=98, PETRI_PLACES=34, PETRI_TRANSITIONS=26} [2021-06-11 16:05:47,754 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -4 predicate places. [2021-06-11 16:05:47,754 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:05:47,754 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 26 transitions, 98 flow [2021-06-11 16:05:47,755 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 26 transitions, 98 flow [2021-06-11 16:05:47,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 26 transitions, 98 flow [2021-06-11 16:05:47,761 INFO L129 PetriNetUnfolder]: 9/50 cut-off events. [2021-06-11 16:05:47,762 INFO L130 PetriNetUnfolder]: For 21/24 co-relation queries the response was YES. [2021-06-11 16:05:47,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 50 events. 9/50 cut-off events. For 21/24 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 185 event pairs, 4 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 99. Up to 15 conditions per place. [2021-06-11 16:05:47,762 INFO L151 LiptonReduction]: Number of co-enabled transitions 224 [2021-06-11 16:05:47,882 INFO L163 LiptonReduction]: Checked pairs total: 101 [2021-06-11 16:05:47,882 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:05:47,882 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 128 [2021-06-11 16:05:47,883 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 26 transitions, 98 flow [2021-06-11 16:05:47,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 140.75) internal successors, (563), 4 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 16:05:47,883 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:05:47,883 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:05:47,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-11 16:05:47,884 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:05:47,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:05:47,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1194669941, now seen corresponding path program 1 times [2021-06-11 16:05:47,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:05:47,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512880332] [2021-06-11 16:05:47,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:05:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:05:48,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:48,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 16:05:48,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:48,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:05:48,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:48,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 16:05:48,043 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 16:05:48,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512880332] [2021-06-11 16:05:48,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:05:48,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:05:48,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311585715] [2021-06-11 16:05:48,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 16:05:48,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:05:48,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 16:05:48,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-11 16:05:48,045 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 186 [2021-06-11 16:05:48,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 26 transitions, 98 flow. Second operand has 5 states, 5 states have (on average 137.8) internal successors, (689), 5 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 16:05:48,047 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:05:48,047 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 186 [2021-06-11 16:05:48,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:05:48,116 INFO L129 PetriNetUnfolder]: 77/161 cut-off events. [2021-06-11 16:05:48,116 INFO L130 PetriNetUnfolder]: For 134/160 co-relation queries the response was YES. [2021-06-11 16:05:48,117 INFO L84 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 161 events. 77/161 cut-off events. For 134/160 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 608 event pairs, 19 based on Foata normal form. 8/166 useless extension candidates. Maximal degree in co-relation 428. Up to 120 conditions per place. [2021-06-11 16:05:48,118 INFO L132 encePairwiseOnDemand]: 180/186 looper letters, 10 selfloop transitions, 10 changer transitions 0/32 dead transitions. [2021-06-11 16:05:48,118 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 32 transitions, 158 flow [2021-06-11 16:05:48,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:05:48,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:05:48,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 566 transitions. [2021-06-11 16:05:48,121 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.760752688172043 [2021-06-11 16:05:48,121 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 566 transitions. [2021-06-11 16:05:48,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 566 transitions. [2021-06-11 16:05:48,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:05:48,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 566 transitions. [2021-06-11 16:05:48,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 141.5) internal successors, (566), 4 states have internal predecessors, (566), 0 states have call successors, (0), 0 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 16:05:48,124 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 186.0) internal successors, (930), 5 states have internal predecessors, (930), 0 states have call successors, (0), 0 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 16:05:48,124 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 186.0) internal successors, (930), 5 states have internal predecessors, (930), 0 states have call successors, (0), 0 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 16:05:48,124 INFO L185 Difference]: Start difference. First operand has 34 places, 26 transitions, 98 flow. Second operand 4 states and 566 transitions. [2021-06-11 16:05:48,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 32 transitions, 158 flow [2021-06-11 16:05:48,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 32 transitions, 158 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 16:05:48,126 INFO L241 Difference]: Finished difference. Result has 39 places, 30 transitions, 156 flow [2021-06-11 16:05:48,126 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=156, PETRI_PLACES=39, PETRI_TRANSITIONS=30} [2021-06-11 16:05:48,126 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 1 predicate places. [2021-06-11 16:05:48,126 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:05:48,127 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 30 transitions, 156 flow [2021-06-11 16:05:48,127 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 30 transitions, 156 flow [2021-06-11 16:05:48,127 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 30 transitions, 156 flow [2021-06-11 16:05:48,134 INFO L129 PetriNetUnfolder]: 9/52 cut-off events. [2021-06-11 16:05:48,134 INFO L130 PetriNetUnfolder]: For 76/105 co-relation queries the response was YES. [2021-06-11 16:05:48,134 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 52 events. 9/52 cut-off events. For 76/105 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 199 event pairs, 3 based on Foata normal form. 0/50 useless extension candidates. Maximal degree in co-relation 138. Up to 16 conditions per place. [2021-06-11 16:05:48,135 INFO L151 LiptonReduction]: Number of co-enabled transitions 254 [2021-06-11 16:05:48,191 INFO L163 LiptonReduction]: Checked pairs total: 132 [2021-06-11 16:05:48,191 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:05:48,191 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 65 [2021-06-11 16:05:48,192 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 30 transitions, 156 flow [2021-06-11 16:05:48,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 137.8) internal successors, (689), 5 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 16:05:48,193 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:05:48,193 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:05:48,193 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-11 16:05:48,193 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:05:48,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:05:48,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1324220391, now seen corresponding path program 1 times [2021-06-11 16:05:48,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:05:48,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049302148] [2021-06-11 16:05:48,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:05:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:05:48,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:48,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 16:05:48,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:48,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:05:48,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:48,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 16:05:48,257 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 16:05:48,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049302148] [2021-06-11 16:05:48,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:05:48,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:05:48,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921141699] [2021-06-11 16:05:48,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 16:05:48,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:05:48,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 16:05:48,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 16:05:48,259 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 186 [2021-06-11 16:05:48,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 30 transitions, 156 flow. Second operand has 5 states, 5 states have (on average 140.8) internal successors, (704), 5 states have internal predecessors, (704), 0 states have call successors, (0), 0 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 16:05:48,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:05:48,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 186 [2021-06-11 16:05:48,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:05:48,356 INFO L129 PetriNetUnfolder]: 85/180 cut-off events. [2021-06-11 16:05:48,356 INFO L130 PetriNetUnfolder]: For 365/422 co-relation queries the response was YES. [2021-06-11 16:05:48,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 584 conditions, 180 events. 85/180 cut-off events. For 365/422 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 724 event pairs, 29 based on Foata normal form. 11/187 useless extension candidates. Maximal degree in co-relation 568. Up to 109 conditions per place. [2021-06-11 16:05:48,358 INFO L132 encePairwiseOnDemand]: 179/186 looper letters, 18 selfloop transitions, 12 changer transitions 0/42 dead transitions. [2021-06-11 16:05:48,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 42 transitions, 264 flow [2021-06-11 16:05:48,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 16:05:48,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 16:05:48,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 723 transitions. [2021-06-11 16:05:48,361 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7774193548387097 [2021-06-11 16:05:48,361 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 723 transitions. [2021-06-11 16:05:48,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 723 transitions. [2021-06-11 16:05:48,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:05:48,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 723 transitions. [2021-06-11 16:05:48,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 144.6) internal successors, (723), 5 states have internal predecessors, (723), 0 states have call successors, (0), 0 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 16:05:48,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 186.0) internal successors, (1116), 6 states have internal predecessors, (1116), 0 states have call successors, (0), 0 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 16:05:48,368 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 186.0) internal successors, (1116), 6 states have internal predecessors, (1116), 0 states have call successors, (0), 0 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 16:05:48,368 INFO L185 Difference]: Start difference. First operand has 39 places, 30 transitions, 156 flow. Second operand 5 states and 723 transitions. [2021-06-11 16:05:48,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 42 transitions, 264 flow [2021-06-11 16:05:48,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 42 transitions, 248 flow, removed 8 selfloop flow, removed 0 redundant places. [2021-06-11 16:05:48,376 INFO L241 Difference]: Finished difference. Result has 45 places, 36 transitions, 215 flow [2021-06-11 16:05:48,376 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=215, PETRI_PLACES=45, PETRI_TRANSITIONS=36} [2021-06-11 16:05:48,376 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 7 predicate places. [2021-06-11 16:05:48,376 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:05:48,377 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 36 transitions, 215 flow [2021-06-11 16:05:48,377 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 36 transitions, 215 flow [2021-06-11 16:05:48,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 36 transitions, 215 flow [2021-06-11 16:05:48,397 INFO L129 PetriNetUnfolder]: 39/107 cut-off events. [2021-06-11 16:05:48,397 INFO L130 PetriNetUnfolder]: For 203/221 co-relation queries the response was YES. [2021-06-11 16:05:48,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 107 events. 39/107 cut-off events. For 203/221 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 407 event pairs, 10 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 338. Up to 53 conditions per place. [2021-06-11 16:05:48,399 INFO L151 LiptonReduction]: Number of co-enabled transitions 280 [2021-06-11 16:05:48,453 INFO L163 LiptonReduction]: Checked pairs total: 157 [2021-06-11 16:05:48,453 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:05:48,453 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 77 [2021-06-11 16:05:48,454 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 215 flow [2021-06-11 16:05:48,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 140.8) internal successors, (704), 5 states have internal predecessors, (704), 0 states have call successors, (0), 0 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 16:05:48,454 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:05:48,454 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:05:48,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-11 16:05:48,454 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:05:48,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:05:48,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1049621657, now seen corresponding path program 1 times [2021-06-11 16:05:48,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:05:48,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070523832] [2021-06-11 16:05:48,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:05:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:05:48,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:48,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 16:05:48,574 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.3 percent of original size [2021-06-11 16:05:48,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 16:05:48,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:48,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 16:05:48,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:48,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 16:05:48,606 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 16:05:48,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070523832] [2021-06-11 16:05:48,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:05:48,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:05:48,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567437338] [2021-06-11 16:05:48,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 16:05:48,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:05:48,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 16:05:48,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 16:05:48,609 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 186 [2021-06-11 16:05:48,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 215 flow. Second operand has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 0 states have call successors, (0), 0 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 16:05:48,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:05:48,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 186 [2021-06-11 16:05:48,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:05:48,704 INFO L129 PetriNetUnfolder]: 83/177 cut-off events. [2021-06-11 16:05:48,705 INFO L130 PetriNetUnfolder]: For 355/412 co-relation queries the response was YES. [2021-06-11 16:05:48,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 679 conditions, 177 events. 83/177 cut-off events. For 355/412 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 723 event pairs, 15 based on Foata normal form. 12/187 useless extension candidates. Maximal degree in co-relation 659. Up to 127 conditions per place. [2021-06-11 16:05:48,706 INFO L132 encePairwiseOnDemand]: 181/186 looper letters, 17 selfloop transitions, 11 changer transitions 0/40 dead transitions. [2021-06-11 16:05:48,707 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 40 transitions, 287 flow [2021-06-11 16:05:48,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:05:48,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:05:48,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 549 transitions. [2021-06-11 16:05:48,709 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7379032258064516 [2021-06-11 16:05:48,709 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 549 transitions. [2021-06-11 16:05:48,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 549 transitions. [2021-06-11 16:05:48,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:05:48,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 549 transitions. [2021-06-11 16:05:48,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 137.25) internal successors, (549), 4 states have internal predecessors, (549), 0 states have call successors, (0), 0 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 16:05:48,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 186.0) internal successors, (930), 5 states have internal predecessors, (930), 0 states have call successors, (0), 0 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 16:05:48,712 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 186.0) internal successors, (930), 5 states have internal predecessors, (930), 0 states have call successors, (0), 0 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 16:05:48,712 INFO L185 Difference]: Start difference. First operand has 45 places, 36 transitions, 215 flow. Second operand 4 states and 549 transitions. [2021-06-11 16:05:48,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 40 transitions, 287 flow [2021-06-11 16:05:48,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 40 transitions, 272 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-06-11 16:05:48,715 INFO L241 Difference]: Finished difference. Result has 48 places, 38 transitions, 248 flow [2021-06-11 16:05:48,715 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=248, PETRI_PLACES=48, PETRI_TRANSITIONS=38} [2021-06-11 16:05:48,715 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 10 predicate places. [2021-06-11 16:05:48,715 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:05:48,716 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 38 transitions, 248 flow [2021-06-11 16:05:48,716 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 38 transitions, 248 flow [2021-06-11 16:05:48,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 38 transitions, 248 flow [2021-06-11 16:05:48,730 INFO L129 PetriNetUnfolder]: 40/103 cut-off events. [2021-06-11 16:05:48,730 INFO L130 PetriNetUnfolder]: For 296/325 co-relation queries the response was YES. [2021-06-11 16:05:48,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 103 events. 40/103 cut-off events. For 296/325 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 388 event pairs, 9 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 353. Up to 50 conditions per place. [2021-06-11 16:05:48,731 INFO L151 LiptonReduction]: Number of co-enabled transitions 288 [2021-06-11 16:05:49,114 INFO L163 LiptonReduction]: Checked pairs total: 182 [2021-06-11 16:05:49,114 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:05:49,114 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 399 [2021-06-11 16:05:49,115 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 38 transitions, 248 flow [2021-06-11 16:05:49,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 0 states have call successors, (0), 0 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 16:05:49,115 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:05:49,116 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:05:49,116 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-11 16:05:49,116 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:05:49,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:05:49,116 INFO L82 PathProgramCache]: Analyzing trace with hash 2839177, now seen corresponding path program 1 times [2021-06-11 16:05:49,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:05:49,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165237844] [2021-06-11 16:05:49,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:05:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:05:49,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:49,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:05:49,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:49,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 16:05:49,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:49,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 16:05:49,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:49,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 16:05:49,178 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 16:05:49,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165237844] [2021-06-11 16:05:49,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:05:49,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:05:49,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137402445] [2021-06-11 16:05:49,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 16:05:49,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:05:49,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 16:05:49,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-11 16:05:49,181 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 186 [2021-06-11 16:05:49,182 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 38 transitions, 248 flow. Second operand has 5 states, 5 states have (on average 146.0) internal successors, (730), 5 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:05:49,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:05:49,182 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 186 [2021-06-11 16:05:49,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:05:49,256 INFO L129 PetriNetUnfolder]: 88/196 cut-off events. [2021-06-11 16:05:49,256 INFO L130 PetriNetUnfolder]: For 517/596 co-relation queries the response was YES. [2021-06-11 16:05:49,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 757 conditions, 196 events. 88/196 cut-off events. For 517/596 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 861 event pairs, 23 based on Foata normal form. 4/196 useless extension candidates. Maximal degree in co-relation 735. Up to 124 conditions per place. [2021-06-11 16:05:49,258 INFO L132 encePairwiseOnDemand]: 180/186 looper letters, 15 selfloop transitions, 15 changer transitions 0/42 dead transitions. [2021-06-11 16:05:49,258 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 42 transitions, 332 flow [2021-06-11 16:05:49,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:05:49,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:05:49,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 594 transitions. [2021-06-11 16:05:49,261 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7983870967741935 [2021-06-11 16:05:49,261 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 594 transitions. [2021-06-11 16:05:49,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 594 transitions. [2021-06-11 16:05:49,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:05:49,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 594 transitions. [2021-06-11 16:05:49,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 148.5) internal successors, (594), 4 states have internal predecessors, (594), 0 states have call successors, (0), 0 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 16:05:49,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 186.0) internal successors, (930), 5 states have internal predecessors, (930), 0 states have call successors, (0), 0 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 16:05:49,265 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 186.0) internal successors, (930), 5 states have internal predecessors, (930), 0 states have call successors, (0), 0 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 16:05:49,265 INFO L185 Difference]: Start difference. First operand has 48 places, 38 transitions, 248 flow. Second operand 4 states and 594 transitions. [2021-06-11 16:05:49,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 42 transitions, 332 flow [2021-06-11 16:05:49,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 42 transitions, 310 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-06-11 16:05:49,268 INFO L241 Difference]: Finished difference. Result has 50 places, 41 transitions, 300 flow [2021-06-11 16:05:49,268 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=300, PETRI_PLACES=50, PETRI_TRANSITIONS=41} [2021-06-11 16:05:49,268 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 12 predicate places. [2021-06-11 16:05:49,268 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:05:49,269 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 41 transitions, 300 flow [2021-06-11 16:05:49,269 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 41 transitions, 300 flow [2021-06-11 16:05:49,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 41 transitions, 300 flow [2021-06-11 16:05:49,287 INFO L129 PetriNetUnfolder]: 39/106 cut-off events. [2021-06-11 16:05:49,288 INFO L130 PetriNetUnfolder]: For 334/363 co-relation queries the response was YES. [2021-06-11 16:05:49,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 106 events. 39/106 cut-off events. For 334/363 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 404 event pairs, 4 based on Foata normal form. 2/108 useless extension candidates. Maximal degree in co-relation 414. Up to 56 conditions per place. [2021-06-11 16:05:49,289 INFO L151 LiptonReduction]: Number of co-enabled transitions 312 [2021-06-11 16:05:49,294 INFO L163 LiptonReduction]: Checked pairs total: 222 [2021-06-11 16:05:49,294 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:05:49,294 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-06-11 16:05:49,295 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 41 transitions, 300 flow [2021-06-11 16:05:49,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 146.0) internal successors, (730), 5 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:05:49,295 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:05:49,295 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:05:49,295 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-11 16:05:49,296 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:05:49,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:05:49,296 INFO L82 PathProgramCache]: Analyzing trace with hash 857070480, now seen corresponding path program 1 times [2021-06-11 16:05:49,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:05:49,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762144857] [2021-06-11 16:05:49,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:05:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:05:49,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:49,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:05:49,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:49,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:05:49,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:49,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 16:05:49,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:49,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:05:49,376 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 16:05:49,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762144857] [2021-06-11 16:05:49,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:05:49,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:05:49,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860429303] [2021-06-11 16:05:49,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 16:05:49,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:05:49,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 16:05:49,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 16:05:49,379 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 186 [2021-06-11 16:05:49,380 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 300 flow. Second operand has 5 states, 5 states have (on average 138.0) internal successors, (690), 5 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 16:05:49,380 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:05:49,380 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 186 [2021-06-11 16:05:49,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:05:49,494 INFO L129 PetriNetUnfolder]: 93/205 cut-off events. [2021-06-11 16:05:49,495 INFO L130 PetriNetUnfolder]: For 686/765 co-relation queries the response was YES. [2021-06-11 16:05:49,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 888 conditions, 205 events. 93/205 cut-off events. For 686/765 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 924 event pairs, 13 based on Foata normal form. 20/223 useless extension candidates. Maximal degree in co-relation 865. Up to 112 conditions per place. [2021-06-11 16:05:49,497 INFO L132 encePairwiseOnDemand]: 179/186 looper letters, 19 selfloop transitions, 21 changer transitions 0/52 dead transitions. [2021-06-11 16:05:49,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 52 transitions, 459 flow [2021-06-11 16:05:49,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 16:05:49,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 16:05:49,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 708 transitions. [2021-06-11 16:05:49,500 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7612903225806451 [2021-06-11 16:05:49,500 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 708 transitions. [2021-06-11 16:05:49,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 708 transitions. [2021-06-11 16:05:49,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:05:49,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 708 transitions. [2021-06-11 16:05:49,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 141.6) internal successors, (708), 5 states have internal predecessors, (708), 0 states have call successors, (0), 0 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 16:05:49,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 186.0) internal successors, (1116), 6 states have internal predecessors, (1116), 0 states have call successors, (0), 0 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 16:05:49,505 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 186.0) internal successors, (1116), 6 states have internal predecessors, (1116), 0 states have call successors, (0), 0 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 16:05:49,505 INFO L185 Difference]: Start difference. First operand has 50 places, 41 transitions, 300 flow. Second operand 5 states and 708 transitions. [2021-06-11 16:05:49,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 52 transitions, 459 flow [2021-06-11 16:05:49,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 52 transitions, 400 flow, removed 20 selfloop flow, removed 2 redundant places. [2021-06-11 16:05:49,509 INFO L241 Difference]: Finished difference. Result has 54 places, 47 transitions, 386 flow [2021-06-11 16:05:49,509 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=386, PETRI_PLACES=54, PETRI_TRANSITIONS=47} [2021-06-11 16:05:49,509 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 16 predicate places. [2021-06-11 16:05:49,509 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:05:49,509 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 47 transitions, 386 flow [2021-06-11 16:05:49,510 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 47 transitions, 386 flow [2021-06-11 16:05:49,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 47 transitions, 386 flow [2021-06-11 16:05:49,525 INFO L129 PetriNetUnfolder]: 39/112 cut-off events. [2021-06-11 16:05:49,525 INFO L130 PetriNetUnfolder]: For 363/398 co-relation queries the response was YES. [2021-06-11 16:05:49,526 INFO L84 FinitePrefix]: Finished finitePrefix Result has 454 conditions, 112 events. 39/112 cut-off events. For 363/398 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 442 event pairs, 3 based on Foata normal form. 3/115 useless extension candidates. Maximal degree in co-relation 431. Up to 58 conditions per place. [2021-06-11 16:05:49,527 INFO L151 LiptonReduction]: Number of co-enabled transitions 350 [2021-06-11 16:05:49,663 INFO L163 LiptonReduction]: Checked pairs total: 306 [2021-06-11 16:05:49,663 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:05:49,664 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 155 [2021-06-11 16:05:49,664 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 47 transitions, 386 flow [2021-06-11 16:05:49,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 138.0) internal successors, (690), 5 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 16:05:49,665 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:05:49,665 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:05:49,665 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-11 16:05:49,665 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:05:49,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:05:49,665 INFO L82 PathProgramCache]: Analyzing trace with hash 575024545, now seen corresponding path program 1 times [2021-06-11 16:05:49,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:05:49,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162805814] [2021-06-11 16:05:49,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:05:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:05:49,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:49,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:49,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:49,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:05:49,707 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 16:05:49,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162805814] [2021-06-11 16:05:49,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:05:49,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:05:49,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968959668] [2021-06-11 16:05:49,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 16:05:49,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:05:49,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 16:05:49,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 16:05:49,709 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 186 [2021-06-11 16:05:49,709 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 47 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 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 16:05:49,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:05:49,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 186 [2021-06-11 16:05:49,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:05:49,746 INFO L129 PetriNetUnfolder]: 54/167 cut-off events. [2021-06-11 16:05:49,746 INFO L130 PetriNetUnfolder]: For 732/816 co-relation queries the response was YES. [2021-06-11 16:05:49,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 668 conditions, 167 events. 54/167 cut-off events. For 732/816 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 786 event pairs, 7 based on Foata normal form. 12/177 useless extension candidates. Maximal degree in co-relation 643. Up to 88 conditions per place. [2021-06-11 16:05:49,747 INFO L132 encePairwiseOnDemand]: 183/186 looper letters, 3 selfloop transitions, 2 changer transitions 3/48 dead transitions. [2021-06-11 16:05:49,747 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 48 transitions, 399 flow [2021-06-11 16:05:49,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 16:05:49,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 16:05:49,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2021-06-11 16:05:49,750 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8494623655913979 [2021-06-11 16:05:49,750 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 474 transitions. [2021-06-11 16:05:49,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 474 transitions. [2021-06-11 16:05:49,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:05:49,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 474 transitions. [2021-06-11 16:05:49,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 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 16:05:49,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 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 16:05:49,752 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 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 16:05:49,752 INFO L185 Difference]: Start difference. First operand has 54 places, 47 transitions, 386 flow. Second operand 3 states and 474 transitions. [2021-06-11 16:05:49,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 48 transitions, 399 flow [2021-06-11 16:05:49,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 48 transitions, 361 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-06-11 16:05:49,756 INFO L241 Difference]: Finished difference. Result has 54 places, 45 transitions, 334 flow [2021-06-11 16:05:49,756 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=54, PETRI_TRANSITIONS=45} [2021-06-11 16:05:49,756 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 16 predicate places. [2021-06-11 16:05:49,757 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:05:49,757 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 45 transitions, 334 flow [2021-06-11 16:05:49,757 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 45 transitions, 334 flow [2021-06-11 16:05:49,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 45 transitions, 334 flow [2021-06-11 16:05:49,777 INFO L129 PetriNetUnfolder]: 48/160 cut-off events. [2021-06-11 16:05:49,777 INFO L130 PetriNetUnfolder]: For 448/515 co-relation queries the response was YES. [2021-06-11 16:05:49,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 582 conditions, 160 events. 48/160 cut-off events. For 448/515 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 781 event pairs, 3 based on Foata normal form. 3/161 useless extension candidates. Maximal degree in co-relation 559. Up to 82 conditions per place. [2021-06-11 16:05:49,779 INFO L151 LiptonReduction]: Number of co-enabled transitions 328 [2021-06-11 16:05:49,784 INFO L163 LiptonReduction]: Checked pairs total: 108 [2021-06-11 16:05:49,784 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:05:49,784 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-06-11 16:05:49,785 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 45 transitions, 334 flow [2021-06-11 16:05:49,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 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 16:05:49,785 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:05:49,785 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:05:49,785 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-11 16:05:49,785 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:05:49,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:05:49,786 INFO L82 PathProgramCache]: Analyzing trace with hash 465904031, now seen corresponding path program 2 times [2021-06-11 16:05:49,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:05:49,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319066047] [2021-06-11 16:05:49,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:05:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:05:49,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:49,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:05:49,829 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 16:05:49,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:05:49,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:49,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:49,839 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 16:05:49,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319066047] [2021-06-11 16:05:49,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:05:49,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:05:49,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656938228] [2021-06-11 16:05:49,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:05:49,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:05:49,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:05:49,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:05:49,840 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 186 [2021-06-11 16:05:49,841 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 45 transitions, 334 flow. Second operand has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 0 states have call successors, (0), 0 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 16:05:49,841 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:05:49,841 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 186 [2021-06-11 16:05:49,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:05:49,916 INFO L129 PetriNetUnfolder]: 161/424 cut-off events. [2021-06-11 16:05:49,916 INFO L130 PetriNetUnfolder]: For 731/804 co-relation queries the response was YES. [2021-06-11 16:05:49,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1233 conditions, 424 events. 161/424 cut-off events. For 731/804 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 2783 event pairs, 54 based on Foata normal form. 47/445 useless extension candidates. Maximal degree in co-relation 1208. Up to 214 conditions per place. [2021-06-11 16:05:49,920 INFO L132 encePairwiseOnDemand]: 180/186 looper letters, 8 selfloop transitions, 8 changer transitions 0/55 dead transitions. [2021-06-11 16:05:49,920 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 55 transitions, 386 flow [2021-06-11 16:05:49,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 16:05:49,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 16:05:49,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 753 transitions. [2021-06-11 16:05:49,922 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8096774193548387 [2021-06-11 16:05:49,922 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 753 transitions. [2021-06-11 16:05:49,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 753 transitions. [2021-06-11 16:05:49,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:05:49,923 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 753 transitions. [2021-06-11 16:05:49,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 150.6) internal successors, (753), 5 states have internal predecessors, (753), 0 states have call successors, (0), 0 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 16:05:49,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 186.0) internal successors, (1116), 6 states have internal predecessors, (1116), 0 states have call successors, (0), 0 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 16:05:49,926 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 186.0) internal successors, (1116), 6 states have internal predecessors, (1116), 0 states have call successors, (0), 0 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 16:05:49,926 INFO L185 Difference]: Start difference. First operand has 54 places, 45 transitions, 334 flow. Second operand 5 states and 753 transitions. [2021-06-11 16:05:49,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 55 transitions, 386 flow [2021-06-11 16:05:49,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 55 transitions, 380 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 16:05:49,930 INFO L241 Difference]: Finished difference. Result has 59 places, 52 transitions, 388 flow [2021-06-11 16:05:49,930 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=388, PETRI_PLACES=59, PETRI_TRANSITIONS=52} [2021-06-11 16:05:49,930 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 21 predicate places. [2021-06-11 16:05:49,930 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:05:49,931 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 52 transitions, 388 flow [2021-06-11 16:05:49,931 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 52 transitions, 388 flow [2021-06-11 16:05:49,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 52 transitions, 388 flow [2021-06-11 16:05:49,975 INFO L129 PetriNetUnfolder]: 160/424 cut-off events. [2021-06-11 16:05:49,975 INFO L130 PetriNetUnfolder]: For 944/1062 co-relation queries the response was YES. [2021-06-11 16:05:49,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1469 conditions, 424 events. 160/424 cut-off events. For 944/1062 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 2726 event pairs, 44 based on Foata normal form. 25/427 useless extension candidates. Maximal degree in co-relation 1443. Up to 204 conditions per place. [2021-06-11 16:05:49,981 INFO L151 LiptonReduction]: Number of co-enabled transitions 438 [2021-06-11 16:05:49,988 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 16:05:49,988 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:05:49,988 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 58 [2021-06-11 16:05:49,989 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 52 transitions, 388 flow [2021-06-11 16:05:49,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 0 states have call successors, (0), 0 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 16:05:49,989 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:05:49,989 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:05:49,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-11 16:05:49,989 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:05:49,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:05:49,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1415997906, now seen corresponding path program 1 times [2021-06-11 16:05:49,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:05:49,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813899634] [2021-06-11 16:05:49,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:05:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:05:50,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:50,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:05:50,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:50,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:05:50,035 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 16:05:50,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:05:50,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:50,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:50,044 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 16:05:50,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813899634] [2021-06-11 16:05:50,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:05:50,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 16:05:50,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298570270] [2021-06-11 16:05:50,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 16:05:50,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:05:50,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 16:05:50,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 16:05:50,046 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 186 [2021-06-11 16:05:50,046 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 52 transitions, 388 flow. Second operand has 5 states, 5 states have (on average 147.8) internal successors, (739), 5 states have internal predecessors, (739), 0 states have call successors, (0), 0 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 16:05:50,046 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:05:50,046 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 186 [2021-06-11 16:05:50,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:05:50,130 INFO L129 PetriNetUnfolder]: 98/319 cut-off events. [2021-06-11 16:05:50,130 INFO L130 PetriNetUnfolder]: For 750/1192 co-relation queries the response was YES. [2021-06-11 16:05:50,132 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1268 conditions, 319 events. 98/319 cut-off events. For 750/1192 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2085 event pairs, 8 based on Foata normal form. 170/473 useless extension candidates. Maximal degree in co-relation 1240. Up to 175 conditions per place. [2021-06-11 16:05:50,133 INFO L132 encePairwiseOnDemand]: 180/186 looper letters, 5 selfloop transitions, 15 changer transitions 3/62 dead transitions. [2021-06-11 16:05:50,133 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 62 transitions, 492 flow [2021-06-11 16:05:50,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 16:05:50,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 16:05:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1054 transitions. [2021-06-11 16:05:50,136 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8095238095238095 [2021-06-11 16:05:50,136 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1054 transitions. [2021-06-11 16:05:50,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1054 transitions. [2021-06-11 16:05:50,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:05:50,137 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1054 transitions. [2021-06-11 16:05:50,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 150.57142857142858) internal successors, (1054), 7 states have internal predecessors, (1054), 0 states have call successors, (0), 0 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 16:05:50,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 186.0) internal successors, (1488), 8 states have internal predecessors, (1488), 0 states have call successors, (0), 0 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 16:05:50,141 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 186.0) internal successors, (1488), 8 states have internal predecessors, (1488), 0 states have call successors, (0), 0 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 16:05:50,141 INFO L185 Difference]: Start difference. First operand has 59 places, 52 transitions, 388 flow. Second operand 7 states and 1054 transitions. [2021-06-11 16:05:50,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 62 transitions, 492 flow [2021-06-11 16:05:50,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 62 transitions, 488 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 16:05:50,146 INFO L241 Difference]: Finished difference. Result has 67 places, 59 transitions, 483 flow [2021-06-11 16:05:50,146 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=483, PETRI_PLACES=67, PETRI_TRANSITIONS=59} [2021-06-11 16:05:50,146 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 29 predicate places. [2021-06-11 16:05:50,146 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:05:50,146 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 59 transitions, 483 flow [2021-06-11 16:05:50,146 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 59 transitions, 483 flow [2021-06-11 16:05:50,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 59 transitions, 483 flow [2021-06-11 16:05:50,178 INFO L129 PetriNetUnfolder]: 91/308 cut-off events. [2021-06-11 16:05:50,178 INFO L130 PetriNetUnfolder]: For 979/1086 co-relation queries the response was YES. [2021-06-11 16:05:50,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1322 conditions, 308 events. 91/308 cut-off events. For 979/1086 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2039 event pairs, 5 based on Foata normal form. 6/305 useless extension candidates. Maximal degree in co-relation 1292. Up to 163 conditions per place. [2021-06-11 16:05:50,182 INFO L151 LiptonReduction]: Number of co-enabled transitions 456 [2021-06-11 16:05:50,188 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 16:05:50,188 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:05:50,188 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-06-11 16:05:50,189 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 59 transitions, 483 flow [2021-06-11 16:05:50,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 147.8) internal successors, (739), 5 states have internal predecessors, (739), 0 states have call successors, (0), 0 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 16:05:50,189 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:05:50,189 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 16:05:50,190 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-11 16:05:50,190 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:05:50,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:05:50,190 INFO L82 PathProgramCache]: Analyzing trace with hash -827373994, now seen corresponding path program 1 times [2021-06-11 16:05:50,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:05:50,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308749437] [2021-06-11 16:05:50,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:05:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:05:50,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:50,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:05:50,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:50,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:05:50,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:50,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:05:50,250 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 16:05:50,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:05:50,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:50,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:50,259 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 16:05:50,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308749437] [2021-06-11 16:05:50,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:05:50,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 16:05:50,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087517963] [2021-06-11 16:05:50,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 16:05:50,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:05:50,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 16:05:50,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 16:05:50,261 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 186 [2021-06-11 16:05:50,262 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 59 transitions, 483 flow. Second operand has 6 states, 6 states have (on average 147.83333333333334) internal successors, (887), 6 states have internal predecessors, (887), 0 states have call successors, (0), 0 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 16:05:50,262 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:05:50,262 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 186 [2021-06-11 16:05:50,262 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:05:50,398 INFO L129 PetriNetUnfolder]: 78/272 cut-off events. [2021-06-11 16:05:50,398 INFO L130 PetriNetUnfolder]: For 1152/1657 co-relation queries the response was YES. [2021-06-11 16:05:50,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1325 conditions, 272 events. 78/272 cut-off events. For 1152/1657 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 1774 event pairs, 2 based on Foata normal form. 169/427 useless extension candidates. Maximal degree in co-relation 1293. Up to 155 conditions per place. [2021-06-11 16:05:50,401 INFO L132 encePairwiseOnDemand]: 180/186 looper letters, 2 selfloop transitions, 19 changer transitions 17/63 dead transitions. [2021-06-11 16:05:50,401 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 63 transitions, 561 flow [2021-06-11 16:05:50,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 16:05:50,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 16:05:50,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1349 transitions. [2021-06-11 16:05:50,404 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8058542413381123 [2021-06-11 16:05:50,405 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1349 transitions. [2021-06-11 16:05:50,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1349 transitions. [2021-06-11 16:05:50,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:05:50,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1349 transitions. [2021-06-11 16:05:50,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 149.88888888888889) internal successors, (1349), 9 states have internal predecessors, (1349), 0 states have call successors, (0), 0 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 16:05:50,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 186.0) internal successors, (1860), 10 states have internal predecessors, (1860), 0 states have call successors, (0), 0 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 16:05:50,412 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 186.0) internal successors, (1860), 10 states have internal predecessors, (1860), 0 states have call successors, (0), 0 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 16:05:50,412 INFO L185 Difference]: Start difference. First operand has 67 places, 59 transitions, 483 flow. Second operand 9 states and 1349 transitions. [2021-06-11 16:05:50,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 63 transitions, 561 flow [2021-06-11 16:05:50,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 63 transitions, 506 flow, removed 18 selfloop flow, removed 4 redundant places. [2021-06-11 16:05:50,417 INFO L241 Difference]: Finished difference. Result has 74 places, 46 transitions, 371 flow [2021-06-11 16:05:50,417 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=371, PETRI_PLACES=74, PETRI_TRANSITIONS=46} [2021-06-11 16:05:50,417 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 36 predicate places. [2021-06-11 16:05:50,418 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:05:50,418 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 46 transitions, 371 flow [2021-06-11 16:05:50,418 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 46 transitions, 371 flow [2021-06-11 16:05:50,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 46 transitions, 371 flow [2021-06-11 16:05:50,430 INFO L129 PetriNetUnfolder]: 31/114 cut-off events. [2021-06-11 16:05:50,430 INFO L130 PetriNetUnfolder]: For 346/376 co-relation queries the response was YES. [2021-06-11 16:05:50,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 495 conditions, 114 events. 31/114 cut-off events. For 346/376 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 538 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 463. Up to 30 conditions per place. [2021-06-11 16:05:50,431 INFO L151 LiptonReduction]: Number of co-enabled transitions 258 [2021-06-11 16:05:50,640 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-06-11 16:05:51,030 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-06-11 16:05:51,154 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-11 16:05:51,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:51,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:51,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:51,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 16:05:51,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:51,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:51,175 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 2, 1] term [2021-06-11 16:05:51,175 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:51,177 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:51,178 INFO L147 QuantifierPusher]: treesize reduction 39, result has 69.0 percent of original size 87 [2021-06-11 16:05:51,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:51,179 INFO L142 QuantifierPusher]: treesize reduction 39, result has 75.6 percent of original size [2021-06-11 16:05:51,179 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 4, 2, 1] term [2021-06-11 16:05:51,180 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:51,180 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:51,186 INFO L147 QuantifierPusher]: treesize reduction 100, result has 38.7 percent of original size 63 [2021-06-11 16:05:51,187 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 3, 4, 2, 1] term [2021-06-11 16:05:51,187 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:51,188 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:51,192 INFO L147 QuantifierPusher]: treesize reduction 176, result has 33.3 percent of original size 88 [2021-06-11 16:05:51,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:51,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:51,283 INFO L163 LiptonReduction]: Checked pairs total: 52 [2021-06-11 16:05:51,283 INFO L165 LiptonReduction]: Total number of compositions: 4 [2021-06-11 16:05:51,283 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 865 [2021-06-11 16:05:51,283 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 45 transitions, 373 flow [2021-06-11 16:05:51,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 147.83333333333334) internal successors, (887), 6 states have internal predecessors, (887), 0 states have call successors, (0), 0 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 16:05:51,284 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:05:51,284 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 16:05:51,284 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-11 16:05:51,284 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:05:51,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:05:51,285 INFO L82 PathProgramCache]: Analyzing trace with hash -514334825, now seen corresponding path program 1 times [2021-06-11 16:05:51,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:05:51,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202136134] [2021-06-11 16:05:51,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:05:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:05:51,363 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-06-11 16:05:51,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 16:05:51,387 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-06-11 16:05:51,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 16:05:51,427 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-06-11 16:05:51,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 16:05:51,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:51,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 16:05:51,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:51,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 16:05:51,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:51,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 16:05:51,545 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 16:05:51,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202136134] [2021-06-11 16:05:51,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:05:51,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 16:05:51,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569852465] [2021-06-11 16:05:51,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 16:05:51,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:05:51,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 16:05:51,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-06-11 16:05:51,548 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 190 [2021-06-11 16:05:51,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 45 transitions, 373 flow. Second operand has 8 states, 8 states have (on average 132.0) internal successors, (1056), 8 states have internal predecessors, (1056), 0 states have call successors, (0), 0 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 16:05:51,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:05:51,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 190 [2021-06-11 16:05:51,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:05:51,698 INFO L129 PetriNetUnfolder]: 44/158 cut-off events. [2021-06-11 16:05:51,698 INFO L130 PetriNetUnfolder]: For 609/685 co-relation queries the response was YES. [2021-06-11 16:05:51,699 INFO L84 FinitePrefix]: Finished finitePrefix Result has 722 conditions, 158 events. 44/158 cut-off events. For 609/685 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 866 event pairs, 1 based on Foata normal form. 18/167 useless extension candidates. Maximal degree in co-relation 688. Up to 50 conditions per place. [2021-06-11 16:05:51,700 INFO L132 encePairwiseOnDemand]: 181/190 looper letters, 7 selfloop transitions, 11 changer transitions 5/49 dead transitions. [2021-06-11 16:05:51,700 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 49 transitions, 455 flow [2021-06-11 16:05:51,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 16:05:51,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 16:05:51,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 803 transitions. [2021-06-11 16:05:51,703 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7043859649122807 [2021-06-11 16:05:51,703 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 803 transitions. [2021-06-11 16:05:51,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 803 transitions. [2021-06-11 16:05:51,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:05:51,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 803 transitions. [2021-06-11 16:05:51,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 133.83333333333334) internal successors, (803), 6 states have internal predecessors, (803), 0 states have call successors, (0), 0 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 16:05:51,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:05:51,707 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:05:51,707 INFO L185 Difference]: Start difference. First operand has 70 places, 45 transitions, 373 flow. Second operand 6 states and 803 transitions. [2021-06-11 16:05:51,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 49 transitions, 455 flow [2021-06-11 16:05:51,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 49 transitions, 354 flow, removed 23 selfloop flow, removed 18 redundant places. [2021-06-11 16:05:51,711 INFO L241 Difference]: Finished difference. Result has 59 places, 43 transitions, 300 flow [2021-06-11 16:05:51,711 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=300, PETRI_PLACES=59, PETRI_TRANSITIONS=43} [2021-06-11 16:05:51,711 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 21 predicate places. [2021-06-11 16:05:51,711 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:05:51,712 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 43 transitions, 300 flow [2021-06-11 16:05:51,712 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 43 transitions, 300 flow [2021-06-11 16:05:51,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 43 transitions, 300 flow [2021-06-11 16:05:51,720 INFO L129 PetriNetUnfolder]: 24/92 cut-off events. [2021-06-11 16:05:51,721 INFO L130 PetriNetUnfolder]: For 140/140 co-relation queries the response was YES. [2021-06-11 16:05:51,721 INFO L84 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 92 events. 24/92 cut-off events. For 140/140 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 399 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 325. Up to 25 conditions per place. [2021-06-11 16:05:51,722 INFO L151 LiptonReduction]: Number of co-enabled transitions 150 [2021-06-11 16:05:51,930 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-06-11 16:05:52,382 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 93 [2021-06-11 16:05:52,526 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-06-11 16:05:52,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:52,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:52,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:52,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 16:05:52,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:52,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:52,542 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 2, 1] term [2021-06-11 16:05:52,543 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:52,546 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:52,547 INFO L147 QuantifierPusher]: treesize reduction 39, result has 69.0 percent of original size 87 [2021-06-11 16:05:52,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:05:52,548 INFO L142 QuantifierPusher]: treesize reduction 39, result has 75.6 percent of original size [2021-06-11 16:05:52,549 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 4, 2, 1] term [2021-06-11 16:05:52,549 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:52,550 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:52,551 INFO L147 QuantifierPusher]: treesize reduction 113, result has 30.7 percent of original size 50 [2021-06-11 16:05:52,551 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 3, 4, 2, 1] term [2021-06-11 16:05:52,551 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:05:52,552 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:52,557 INFO L147 QuantifierPusher]: treesize reduction 189, result has 28.4 percent of original size 75 [2021-06-11 16:05:52,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:05:52,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:05:52,699 INFO L163 LiptonReduction]: Checked pairs total: 8 [2021-06-11 16:05:52,699 INFO L165 LiptonReduction]: Total number of compositions: 2 [2021-06-11 16:05:52,699 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 988 [2021-06-11 16:05:52,700 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 42 transitions, 300 flow [2021-06-11 16:05:52,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 132.0) internal successors, (1056), 8 states have internal predecessors, (1056), 0 states have call successors, (0), 0 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 16:05:52,700 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:05:52,701 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 16:05:52,701 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-11 16:05:52,701 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:05:52,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:05:52,701 INFO L82 PathProgramCache]: Analyzing trace with hash 192801313, now seen corresponding path program 1 times [2021-06-11 16:05:52,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:05:52,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186014204] [2021-06-11 16:05:52,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:05:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 16:05:52,731 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 16:05:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 16:05:52,769 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 16:05:52,840 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 16:05:52,841 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 16:05:52,841 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-06-11 16:05:52,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 04:05:52 BasicIcfg [2021-06-11 16:05:52,896 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 16:05:52,897 INFO L168 Benchmark]: Toolchain (without parser) took 21663.10 ms. Allocated memory was 371.2 MB in the beginning and 748.7 MB in the end (delta: 377.5 MB). Free memory was 333.3 MB in the beginning and 700.9 MB in the end (delta: -367.6 MB). Peak memory consumption was 427.9 MB. Max. memory is 16.0 GB. [2021-06-11 16:05:52,897 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 371.2 MB. Free memory is still 351.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 16:05:52,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.86 ms. Allocated memory is still 371.2 MB. Free memory was 333.2 MB in the beginning and 329.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.0 GB. [2021-06-11 16:05:52,897 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.43 ms. Allocated memory is still 371.2 MB. Free memory was 329.6 MB in the beginning and 326.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 16:05:52,897 INFO L168 Benchmark]: Boogie Preprocessor took 54.84 ms. Allocated memory is still 371.2 MB. Free memory was 326.5 MB in the beginning and 324.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 16:05:52,898 INFO L168 Benchmark]: RCFGBuilder took 1726.38 ms. Allocated memory is still 371.2 MB. Free memory was 324.4 MB in the beginning and 247.7 MB in the end (delta: 76.7 MB). Peak memory consumption was 133.3 MB. Max. memory is 16.0 GB. [2021-06-11 16:05:52,898 INFO L168 Benchmark]: TraceAbstraction took 19243.13 ms. Allocated memory was 371.2 MB in the beginning and 748.7 MB in the end (delta: 377.5 MB). Free memory was 246.6 MB in the beginning and 700.9 MB in the end (delta: -454.3 MB). Peak memory consumption was 339.5 MB. Max. memory is 16.0 GB. [2021-06-11 16:05:52,898 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 371.2 MB. Free memory is still 351.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 575.86 ms. Allocated memory is still 371.2 MB. Free memory was 333.2 MB in the beginning and 329.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 55.43 ms. Allocated memory is still 371.2 MB. Free memory was 329.6 MB in the beginning and 326.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 54.84 ms. Allocated memory is still 371.2 MB. Free memory was 326.5 MB in the beginning and 324.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1726.38 ms. Allocated memory is still 371.2 MB. Free memory was 324.4 MB in the beginning and 247.7 MB in the end (delta: 76.7 MB). Peak memory consumption was 133.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 19243.13 ms. Allocated memory was 371.2 MB in the beginning and 748.7 MB in the end (delta: 377.5 MB). Free memory was 246.6 MB in the beginning and 700.9 MB in the end (delta: -454.3 MB). Peak memory consumption was 339.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5444.3ms, 102 PlacesBefore, 38 PlacesAfterwards, 94 TransitionsBefore, 29 TransitionsAfterwards, 1694 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 86 TotalNumberOfCompositions, 4849 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2277, positive: 2123, positive conditional: 2123, positive unconditional: 0, negative: 154, negative conditional: 154, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2277, positive: 2123, positive conditional: 0, positive unconditional: 2123, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2277, positive: 2123, positive conditional: 0, positive unconditional: 2123, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1406, positive: 1367, positive conditional: 0, positive unconditional: 1367, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1406, positive: 1343, positive conditional: 0, positive unconditional: 1343, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 426, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 377, negative conditional: 0, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2277, positive: 756, positive conditional: 0, positive unconditional: 756, negative: 115, negative conditional: 0, negative unconditional: 115, unknown: 1406, unknown conditional: 0, unknown unconditional: 1406] , Statistics on independence cache: Total cache size (in pairs): 1406, Positive cache size: 1367, Positive conditional cache size: 0, Positive unconditional cache size: 1367, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7140.4ms, 35 PlacesBefore, 33 PlacesAfterwards, 25 TransitionsBefore, 24 TransitionsAfterwards, 304 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 676 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 196, positive: 152, positive conditional: 152, positive unconditional: 0, negative: 44, negative conditional: 44, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 196, positive: 152, positive conditional: 20, positive unconditional: 132, negative: 44, negative conditional: 18, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 196, positive: 152, positive conditional: 20, positive unconditional: 132, negative: 44, negative conditional: 18, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40, positive: 26, positive conditional: 5, positive unconditional: 21, negative: 14, negative conditional: 10, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 40, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 10, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 410, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 410, negative conditional: 294, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 196, positive: 126, positive conditional: 15, positive unconditional: 111, negative: 30, negative conditional: 8, negative unconditional: 22, unknown: 40, unknown conditional: 15, unknown unconditional: 25] , Statistics on independence cache: Total cache size (in pairs): 1446, Positive cache size: 1393, Positive conditional cache size: 5, Positive unconditional cache size: 1388, Negative cache size: 53, Negative conditional cache size: 10, Negative unconditional cache size: 43, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 406.9ms, 36 PlacesBefore, 31 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 214 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 248 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 69, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 69, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 69, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 394, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 377, negative conditional: 0, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 69, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 19, unknown conditional: 0, unknown unconditional: 19] , Statistics on independence cache: Total cache size (in pairs): 1465, Positive cache size: 1402, Positive conditional cache size: 5, Positive unconditional cache size: 1397, Negative cache size: 63, Negative conditional cache size: 10, Negative unconditional cache size: 53, Eliminated conditions: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.7ms, 34 PlacesBefore, 33 PlacesAfterwards, 21 TransitionsBefore, 20 TransitionsAfterwards, 194 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 383 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 124, positive: 93, positive conditional: 93, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 124, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 124, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 124, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 1475, Positive cache size: 1410, Positive conditional cache size: 5, Positive unconditional cache size: 1405, Negative cache size: 65, Negative conditional cache size: 10, Negative unconditional cache size: 55, Eliminated conditions: 13 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 127.4ms, 34 PlacesBefore, 34 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 224 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 101 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 46, positive: 39, positive conditional: 7, positive unconditional: 32, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46, positive: 39, positive conditional: 7, positive unconditional: 32, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, positive: 8, positive conditional: 5, positive unconditional: 3, 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: 11, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 116, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 46, positive: 31, positive conditional: 2, positive unconditional: 29, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 11, unknown conditional: 5, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 1486, Positive cache size: 1418, Positive conditional cache size: 10, Positive unconditional cache size: 1408, Negative cache size: 68, Negative conditional cache size: 10, Negative unconditional cache size: 58, Eliminated conditions: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 64.5ms, 39 PlacesBefore, 39 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 254 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 132 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 58, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 58, positive: 50, positive conditional: 4, positive unconditional: 46, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 58, positive: 50, positive conditional: 4, positive unconditional: 46, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 58, positive: 46, positive conditional: 1, positive unconditional: 45, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 4, unknown conditional: 3, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1490, Positive cache size: 1422, Positive conditional cache size: 13, Positive unconditional cache size: 1409, Negative cache size: 68, Negative conditional cache size: 10, Negative unconditional cache size: 58, Eliminated conditions: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 75.9ms, 45 PlacesBefore, 45 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 157 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 82, positive: 75, positive conditional: 75, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 82, positive: 75, positive conditional: 18, positive unconditional: 57, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82, positive: 75, positive conditional: 18, positive unconditional: 57, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 7, 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: 13, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 82, positive: 62, positive conditional: 11, positive unconditional: 51, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 13, unknown conditional: 7, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 1503, Positive cache size: 1435, Positive conditional cache size: 20, Positive unconditional cache size: 1415, Negative cache size: 68, Negative conditional cache size: 10, Negative unconditional cache size: 58, Eliminated conditions: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 398.4ms, 48 PlacesBefore, 48 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 182 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 119, positive: 111, positive conditional: 111, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 119, positive: 111, positive conditional: 38, positive unconditional: 73, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 119, positive: 111, positive conditional: 38, positive unconditional: 73, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18, positive: 16, positive conditional: 15, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 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.Independence Queries: [ total: 16, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 378, positive: 322, positive conditional: 322, positive unconditional: 0, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 119, positive: 95, positive conditional: 23, positive unconditional: 72, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 18, unknown conditional: 15, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 1521, Positive cache size: 1451, Positive conditional cache size: 35, Positive unconditional cache size: 1416, Negative cache size: 70, Negative conditional cache size: 10, Negative unconditional cache size: 60, Eliminated conditions: 26 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.2ms, 50 PlacesBefore, 50 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 312 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 222 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 131, positive: 122, positive conditional: 122, 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: 131, positive: 122, positive conditional: 42, positive unconditional: 80, 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: 131, positive: 122, positive conditional: 42, positive unconditional: 80, 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: 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: 131, positive: 122, positive conditional: 42, positive unconditional: 80, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1521, Positive cache size: 1451, Positive conditional cache size: 35, Positive unconditional cache size: 1416, Negative cache size: 70, Negative conditional cache size: 10, Negative unconditional cache size: 60, Eliminated conditions: 23 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 153.8ms, 54 PlacesBefore, 54 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 350 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 306 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 208, positive: 197, positive conditional: 197, 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: 208, positive: 197, positive conditional: 77, positive unconditional: 120, 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: 208, positive: 197, positive conditional: 77, positive unconditional: 120, 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: 9, positive: 9, positive conditional: 8, 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: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, positive: 130, positive conditional: 130, 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: 69, positive unconditional: 119, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 9, unknown conditional: 8, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1530, Positive cache size: 1460, Positive conditional cache size: 43, Positive unconditional cache size: 1417, Negative cache size: 70, Negative conditional cache size: 10, Negative unconditional cache size: 60, Eliminated conditions: 35 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27.3ms, 54 PlacesBefore, 54 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 328 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 108 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 22, positive conditional: 22, 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: 25, positive: 22, positive conditional: 14, positive unconditional: 8, 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: 25, positive: 22, positive conditional: 14, positive unconditional: 8, 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: 25, positive: 22, positive conditional: 14, positive unconditional: 8, 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): 1530, Positive cache size: 1460, Positive conditional cache size: 43, Positive unconditional cache size: 1417, Negative cache size: 70, Negative conditional cache size: 10, Negative unconditional cache size: 60, Eliminated conditions: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 57.3ms, 59 PlacesBefore, 59 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 438 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1530, Positive cache size: 1460, Positive conditional cache size: 43, Positive unconditional cache size: 1417, Negative cache size: 70, Negative conditional cache size: 10, Negative unconditional cache size: 60, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.9ms, 67 PlacesBefore, 67 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 456 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1530, Positive cache size: 1460, Positive conditional cache size: 43, Positive unconditional cache size: 1417, Negative cache size: 70, Negative conditional cache size: 10, Negative unconditional cache size: 60, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 864.8ms, 74 PlacesBefore, 70 PlacesAfterwards, 46 TransitionsBefore, 45 TransitionsAfterwards, 258 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 52 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 52, positive: 52, positive conditional: 7, positive unconditional: 45, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 52, positive: 52, positive conditional: 7, positive unconditional: 45, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 5, 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: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 52, positive: 44, positive conditional: 2, positive unconditional: 42, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8, unknown conditional: 5, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 1538, Positive cache size: 1468, Positive conditional cache size: 48, Positive unconditional cache size: 1420, Negative cache size: 70, Negative conditional cache size: 10, Negative unconditional cache size: 60, Eliminated conditions: 45 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 987.5ms, 59 PlacesBefore, 58 PlacesAfterwards, 43 TransitionsBefore, 42 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8, positive: 8, positive conditional: 5, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 5, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 4, 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: 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: 8, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 4, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 1545, Positive cache size: 1475, Positive conditional cache size: 52, Positive unconditional cache size: 1423, Negative cache size: 70, Negative conditional cache size: 10, Negative unconditional cache size: 60, Eliminated conditions: 3 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L717] 0 int y = 0; [L719] 0 int z = 0; [L720] 0 _Bool z$flush_delayed; [L721] 0 int z$mem_tmp; [L722] 0 _Bool z$r_buff0_thd0; [L723] 0 _Bool z$r_buff0_thd1; [L724] 0 _Bool z$r_buff0_thd2; [L725] 0 _Bool z$r_buff0_thd3; [L726] 0 _Bool z$r_buff1_thd0; [L727] 0 _Bool z$r_buff1_thd1; [L728] 0 _Bool z$r_buff1_thd2; [L729] 0 _Bool z$r_buff1_thd3; [L730] 0 _Bool z$read_delayed; [L731] 0 int *z$read_delayed_var; [L732] 0 int z$w_buff0; [L733] 0 _Bool z$w_buff0_used; [L734] 0 int z$w_buff1; [L735] 0 _Bool z$w_buff1_used; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L818] 0 pthread_t t2037; [L819] FCALL, FORK 0 pthread_create(&t2037, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L741] 1 z$w_buff1 = z$w_buff0 [L742] 1 z$w_buff0 = 2 [L743] 1 z$w_buff1_used = z$w_buff0_used [L744] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L746] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L747] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L748] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L749] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L750] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L753] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L820] 0 pthread_t t2038; [L821] FCALL, FORK 0 pthread_create(&t2038, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 x = 2 [L773] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L822] 0 pthread_t t2039; [L823] FCALL, FORK 0 pthread_create(&t2039, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L790] 3 __unbuffered_p2_EAX = y [L793] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L756] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L757] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L757] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L758] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L758] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L759] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L759] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L760] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L776] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L776] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L776] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L776] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L777] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L777] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L778] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L778] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L779] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L779] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L780] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L796] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L796] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L796] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L796] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L797] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L797] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L798] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L798] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L799] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L799] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L800] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L800] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L763] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L765] 1 return 0; [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L785] 2 return 0; [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L805] 3 return 0; [L825] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L829] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L829] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L829] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L829] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L830] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L830] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L831] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L831] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L832] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L832] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L833] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L833] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L836] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L837] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L838] 0 z$flush_delayed = weak$$choice2 [L839] 0 z$mem_tmp = z [L840] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L840] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L841] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L841] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0) [L841] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L841] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L842] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L842] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L842] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L842] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L843] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L843] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used) [L843] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L843] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L844] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L844] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L845] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L845] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0) [L845] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L845] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L846] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L846] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L846] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L846] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L847] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p2_EAX == 1) [L848] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L848] 0 z = z$flush_delayed ? z$mem_tmp : z [L849] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 19062.8ms, OverallIterations: 15, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1398.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5514.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 58 SDtfs, 28 SDslu, 17 SDs, 0 SdLazy, 311 SolverSat, 101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 410.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 518.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=483occurred in iteration=12, InterpolantAutomatonStates: 68, 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: 44.6ms SsaConstructionTime, 400.2ms SatisfiabilityAnalysisTime, 987.2ms InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 1528 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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...