/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix055_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 14:38:24,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 14:38:24,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 14:38:24,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 14:38:24,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 14:38:24,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 14:38:24,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 14:38:24,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 14:38:24,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 14:38:24,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 14:38:24,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 14:38:24,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 14:38:24,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 14:38:24,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 14:38:24,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 14:38:24,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 14:38:24,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 14:38:24,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 14:38:24,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 14:38:24,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 14:38:24,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 14:38:24,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 14:38:24,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 14:38:24,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 14:38:24,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 14:38:24,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 14:38:24,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 14:38:24,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 14:38:24,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 14:38:24,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 14:38:24,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 14:38:24,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 14:38:24,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 14:38:24,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 14:38:24,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 14:38:24,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 14:38:24,991 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2021-03-25 14:38:25,020 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 14:38:25,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 14:38:25,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 14:38:25,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 14:38:25,021 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 14:38:25,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 14:38:25,022 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 14:38:25,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 14:38:25,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 14:38:25,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 14:38:25,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 14:38:25,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 14:38:25,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 14:38:25,023 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 14:38:25,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 14:38:25,023 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 14:38:25,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 14:38:25,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 14:38:25,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 14:38:25,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 14:38:25,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 14:38:25,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:38:25,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 14:38:25,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 14:38:25,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 14:38:25,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 14:38:25,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 14:38:25,024 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 14:38:25,025 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 14:38:25,025 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 14:38:25,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 14:38:25,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 14:38:25,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 14:38:25,332 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 14:38:25,332 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 14:38:25,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix055_rmo.opt.i [2021-03-25 14:38:25,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d91718566/4baf99ed61344dc2aec3c40b3cacbda9/FLAG2879ae581 [2021-03-25 14:38:25,926 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 14:38:25,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix055_rmo.opt.i [2021-03-25 14:38:25,940 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d91718566/4baf99ed61344dc2aec3c40b3cacbda9/FLAG2879ae581 [2021-03-25 14:38:26,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d91718566/4baf99ed61344dc2aec3c40b3cacbda9 [2021-03-25 14:38:26,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 14:38:26,394 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 14:38:26,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 14:38:26,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 14:38:26,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 14:38:26,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:38:26" (1/1) ... [2021-03-25 14:38:26,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4713a24f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:38:26, skipping insertion in model container [2021-03-25 14:38:26,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:38:26" (1/1) ... [2021-03-25 14:38:26,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 14:38:26,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 14:38:26,612 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/mix055_rmo.opt.i[948,961] [2021-03-25 14:38:26,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:38:26,815 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 14:38:26,825 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/mix055_rmo.opt.i[948,961] [2021-03-25 14:38:26,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:38:26,975 INFO L208 MainTranslator]: Completed translation [2021-03-25 14:38:26,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:38:26 WrapperNode [2021-03-25 14:38:26,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 14:38:26,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 14:38:26,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 14:38:26,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 14:38:26,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:38:26" (1/1) ... [2021-03-25 14:38:27,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:38:26" (1/1) ... [2021-03-25 14:38:27,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 14:38:27,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 14:38:27,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 14:38:27,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 14:38:27,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:38:26" (1/1) ... [2021-03-25 14:38:27,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:38:26" (1/1) ... [2021-03-25 14:38:27,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:38:26" (1/1) ... [2021-03-25 14:38:27,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:38:26" (1/1) ... [2021-03-25 14:38:27,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:38:26" (1/1) ... [2021-03-25 14:38:27,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:38:26" (1/1) ... [2021-03-25 14:38:27,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:38:26" (1/1) ... [2021-03-25 14:38:27,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 14:38:27,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 14:38:27,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 14:38:27,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 14:38:27,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:38:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:38:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 14:38:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 14:38:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 14:38:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 14:38:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 14:38:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 14:38:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 14:38:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 14:38:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 14:38:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 14:38:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-25 14:38:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-25 14:38:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 14:38:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 14:38:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 14:38:27,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 14:38:27,175 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 14:38:28,813 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 14:38:28,813 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 14:38:28,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:38:28 BoogieIcfgContainer [2021-03-25 14:38:28,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 14:38:28,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 14:38:28,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 14:38:28,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 14:38:28,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 02:38:26" (1/3) ... [2021-03-25 14:38:28,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786e5d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:38:28, skipping insertion in model container [2021-03-25 14:38:28,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:38:26" (2/3) ... [2021-03-25 14:38:28,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786e5d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:38:28, skipping insertion in model container [2021-03-25 14:38:28,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:38:28" (3/3) ... [2021-03-25 14:38:28,822 INFO L111 eAbstractionObserver]: Analyzing ICFG mix055_rmo.opt.i [2021-03-25 14:38:28,828 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 14:38:28,832 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 14:38:28,832 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 14:38:28,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,872 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,872 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,873 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,873 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,874 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,874 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,874 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,874 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,876 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,876 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,876 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,876 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,876 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,876 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,877 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,877 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,879 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,879 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,879 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,879 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,879 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,879 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,879 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,880 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,880 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,880 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,881 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,881 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,881 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,881 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,881 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,882 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,884 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,884 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,884 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,884 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,884 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,884 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,886 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,887 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,888 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,888 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,888 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,889 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,889 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,889 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,889 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,889 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,889 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,889 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,890 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,891 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,892 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,893 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,893 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,893 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,893 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:38:28,894 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 14:38:28,909 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 14:38:28,927 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 14:38:28,927 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 14:38:28,927 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 14:38:28,927 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 14:38:28,927 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 14:38:28,928 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 14:38:28,928 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 14:38:28,928 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 14:38:28,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 246 flow [2021-03-25 14:38:28,971 INFO L129 PetriNetUnfolder]: 2/109 cut-off events. [2021-03-25 14:38:28,971 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:38:28,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 109 events. 2/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-03-25 14:38:28,975 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 113 transitions, 246 flow [2021-03-25 14:38:28,979 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 109 transitions, 230 flow [2021-03-25 14:38:28,980 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:38:28,991 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 109 transitions, 230 flow [2021-03-25 14:38:28,994 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 109 transitions, 230 flow [2021-03-25 14:38:28,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 109 transitions, 230 flow [2021-03-25 14:38:29,012 INFO L129 PetriNetUnfolder]: 2/109 cut-off events. [2021-03-25 14:38:29,013 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:38:29,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 109 events. 2/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-03-25 14:38:29,016 INFO L142 LiptonReduction]: Number of co-enabled transitions 2406 [2021-03-25 14:38:31,032 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-03-25 14:38:31,376 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-03-25 14:38:32,687 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-25 14:38:33,279 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-25 14:38:33,876 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 14:38:34,295 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 14:38:34,457 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-25 14:38:35,724 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-25 14:38:36,032 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-25 14:38:36,680 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-25 14:38:37,317 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-25 14:38:37,838 INFO L154 LiptonReduction]: Checked pairs total: 4266 [2021-03-25 14:38:37,839 INFO L156 LiptonReduction]: Total number of compositions: 72 [2021-03-25 14:38:37,841 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8862 [2021-03-25 14:38:37,850 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-03-25 14:38:37,850 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:38:37,850 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:38:37,851 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:38:37,851 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:38:37,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:38:37,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1508011334, now seen corresponding path program 1 times [2021-03-25 14:38:37,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:38:37,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699066364] [2021-03-25 14:38:37,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:38:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:38:38,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:38,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:38:38,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:38,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:38,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:38:38,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699066364] [2021-03-25 14:38:38,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:38:38,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:38:38,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817549424] [2021-03-25 14:38:38,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:38:38,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:38:38,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:38:38,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:38:38,081 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 185 [2021-03-25 14:38:38,084 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:38,084 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:38:38,084 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 185 [2021-03-25 14:38:38,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:38:38,163 INFO L129 PetriNetUnfolder]: 23/110 cut-off events. [2021-03-25 14:38:38,163 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:38:38,165 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 110 events. 23/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 371 event pairs, 9 based on Foata normal form. 6/109 useless extension candidates. Maximal degree in co-relation 150. Up to 37 conditions per place. [2021-03-25 14:38:38,166 INFO L132 encePairwiseOnDemand]: 181/185 looper letters, 7 selfloop transitions, 2 changer transitions 6/46 dead transitions. [2021-03-25 14:38:38,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 46 transitions, 126 flow [2021-03-25 14:38:38,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:38:38,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:38:38,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 506 transitions. [2021-03-25 14:38:38,184 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9117117117117117 [2021-03-25 14:38:38,185 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 506 transitions. [2021-03-25 14:38:38,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 506 transitions. [2021-03-25 14:38:38,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:38:38,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 506 transitions. [2021-03-25 14:38:38,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 168.66666666666666) internal successors, (506), 3 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:38,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 185.0) internal successors, (740), 4 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:38,211 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 185.0) internal successors, (740), 4 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:38,212 INFO L185 Difference]: Start difference. First operand has 57 places, 45 transitions, 102 flow. Second operand 3 states and 506 transitions. [2021-03-25 14:38:38,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 46 transitions, 126 flow [2021-03-25 14:38:38,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 46 transitions, 122 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 14:38:38,218 INFO L241 Difference]: Finished difference. Result has 53 places, 37 transitions, 86 flow [2021-03-25 14:38:38,219 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=53, PETRI_TRANSITIONS=37} [2021-03-25 14:38:38,220 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -4 predicate places. [2021-03-25 14:38:38,220 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:38:38,220 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 37 transitions, 86 flow [2021-03-25 14:38:38,221 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 37 transitions, 86 flow [2021-03-25 14:38:38,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 37 transitions, 86 flow [2021-03-25 14:38:38,231 INFO L129 PetriNetUnfolder]: 0/37 cut-off events. [2021-03-25 14:38:38,231 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:38:38,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 37 events. 0/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 33 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 14:38:38,232 INFO L142 LiptonReduction]: Number of co-enabled transitions 362 [2021-03-25 14:38:38,594 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 14:38:38,726 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 14:38:39,151 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-25 14:38:39,462 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-25 14:38:40,154 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-25 14:38:40,830 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-25 14:38:41,492 INFO L154 LiptonReduction]: Checked pairs total: 1530 [2021-03-25 14:38:41,492 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-25 14:38:41,492 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3272 [2021-03-25 14:38:41,493 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 66 flow [2021-03-25 14:38:41,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:41,493 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:38:41,494 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:38:41,494 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 14:38:41,494 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:38:41,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:38:41,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1703571502, now seen corresponding path program 1 times [2021-03-25 14:38:41,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:38:41,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666988078] [2021-03-25 14:38:41,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:38:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:38:41,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:41,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:38:41,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:41,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:41,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:41,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 14:38:41,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:38:41,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666988078] [2021-03-25 14:38:41,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:38:41,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:38:41,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694441569] [2021-03-25 14:38:41,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:38:41,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:38:41,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:38:41,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:38:41,671 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 195 [2021-03-25 14:38:41,671 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 66 flow. Second operand has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:41,671 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:38:41,671 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 195 [2021-03-25 14:38:41,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:38:41,689 INFO L129 PetriNetUnfolder]: 3/37 cut-off events. [2021-03-25 14:38:41,689 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:38:41,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 37 events. 3/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 69 event pairs, 1 based on Foata normal form. 1/36 useless extension candidates. Maximal degree in co-relation 49. Up to 10 conditions per place. [2021-03-25 14:38:41,690 INFO L132 encePairwiseOnDemand]: 191/195 looper letters, 3 selfloop transitions, 3 changer transitions 0/29 dead transitions. [2021-03-25 14:38:41,690 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 29 transitions, 82 flow [2021-03-25 14:38:41,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:38:41,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:38:41,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 520 transitions. [2021-03-25 14:38:41,692 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2021-03-25 14:38:41,692 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 520 transitions. [2021-03-25 14:38:41,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 520 transitions. [2021-03-25 14:38:41,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:38:41,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 520 transitions. [2021-03-25 14:38:41,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:41,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:41,697 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:41,697 INFO L185 Difference]: Start difference. First operand has 38 places, 27 transitions, 66 flow. Second operand 3 states and 520 transitions. [2021-03-25 14:38:41,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 29 transitions, 82 flow [2021-03-25 14:38:41,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 29 transitions, 78 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:38:41,698 INFO L241 Difference]: Finished difference. Result has 39 places, 29 transitions, 81 flow [2021-03-25 14:38:41,698 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=81, PETRI_PLACES=39, PETRI_TRANSITIONS=29} [2021-03-25 14:38:41,698 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -18 predicate places. [2021-03-25 14:38:41,699 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:38:41,699 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 29 transitions, 81 flow [2021-03-25 14:38:41,699 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 29 transitions, 81 flow [2021-03-25 14:38:41,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 29 transitions, 81 flow [2021-03-25 14:38:41,704 INFO L129 PetriNetUnfolder]: 3/37 cut-off events. [2021-03-25 14:38:41,704 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:38:41,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 37 events. 3/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 1 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 50. Up to 10 conditions per place. [2021-03-25 14:38:41,705 INFO L142 LiptonReduction]: Number of co-enabled transitions 356 [2021-03-25 14:38:42,341 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-03-25 14:38:42,496 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-25 14:38:42,817 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-03-25 14:38:42,971 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-25 14:38:42,974 INFO L154 LiptonReduction]: Checked pairs total: 1020 [2021-03-25 14:38:42,974 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:38:42,974 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1275 [2021-03-25 14:38:42,975 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 27 transitions, 77 flow [2021-03-25 14:38:42,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:42,976 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:38:42,976 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:38:42,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 14:38:42,976 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:38:42,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:38:42,977 INFO L82 PathProgramCache]: Analyzing trace with hash 582134895, now seen corresponding path program 1 times [2021-03-25 14:38:42,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:38:42,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490509308] [2021-03-25 14:38:42,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:38:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:38:43,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:43,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:43,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:43,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:38:43,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:43,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:38:43,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:43,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:38:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:38:43,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490509308] [2021-03-25 14:38:43,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:38:43,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:38:43,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029089181] [2021-03-25 14:38:43,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:38:43,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:38:43,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:38:43,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:38:43,142 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 197 [2021-03-25 14:38:43,143 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 27 transitions, 77 flow. Second operand has 5 states, 5 states have (on average 157.0) internal successors, (785), 5 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:43,143 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:38:43,143 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 197 [2021-03-25 14:38:43,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:38:43,196 INFO L129 PetriNetUnfolder]: 47/130 cut-off events. [2021-03-25 14:38:43,196 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-03-25 14:38:43,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 130 events. 47/130 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 489 event pairs, 30 based on Foata normal form. 2/116 useless extension candidates. Maximal degree in co-relation 245. Up to 67 conditions per place. [2021-03-25 14:38:43,198 INFO L132 encePairwiseOnDemand]: 192/197 looper letters, 8 selfloop transitions, 5 changer transitions 0/33 dead transitions. [2021-03-25 14:38:43,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 33 transitions, 115 flow [2021-03-25 14:38:43,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:38:43,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:38:43,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 639 transitions. [2021-03-25 14:38:43,201 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8109137055837563 [2021-03-25 14:38:43,201 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 639 transitions. [2021-03-25 14:38:43,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 639 transitions. [2021-03-25 14:38:43,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:38:43,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 639 transitions. [2021-03-25 14:38:43,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 159.75) internal successors, (639), 4 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:43,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 197.0) internal successors, (985), 5 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:43,204 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 197.0) internal successors, (985), 5 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:43,204 INFO L185 Difference]: Start difference. First operand has 37 places, 27 transitions, 77 flow. Second operand 4 states and 639 transitions. [2021-03-25 14:38:43,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 33 transitions, 115 flow [2021-03-25 14:38:43,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 33 transitions, 112 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 14:38:43,206 INFO L241 Difference]: Finished difference. Result has 41 places, 31 transitions, 108 flow [2021-03-25 14:38:43,206 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=108, PETRI_PLACES=41, PETRI_TRANSITIONS=31} [2021-03-25 14:38:43,206 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -16 predicate places. [2021-03-25 14:38:43,206 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:38:43,207 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 31 transitions, 108 flow [2021-03-25 14:38:43,207 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 31 transitions, 108 flow [2021-03-25 14:38:43,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 31 transitions, 108 flow [2021-03-25 14:38:43,216 INFO L129 PetriNetUnfolder]: 11/59 cut-off events. [2021-03-25 14:38:43,217 INFO L130 PetriNetUnfolder]: For 34/37 co-relation queries the response was YES. [2021-03-25 14:38:43,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 59 events. 11/59 cut-off events. For 34/37 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 179 event pairs, 3 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 115. Up to 20 conditions per place. [2021-03-25 14:38:43,218 INFO L142 LiptonReduction]: Number of co-enabled transitions 428 [2021-03-25 14:38:43,220 INFO L154 LiptonReduction]: Checked pairs total: 310 [2021-03-25 14:38:43,221 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:38:43,221 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-25 14:38:43,221 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 31 transitions, 108 flow [2021-03-25 14:38:43,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 157.0) internal successors, (785), 5 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:43,222 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:38:43,222 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:38:43,222 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 14:38:43,223 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:38:43,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:38:43,223 INFO L82 PathProgramCache]: Analyzing trace with hash 438995751, now seen corresponding path program 1 times [2021-03-25 14:38:43,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:38:43,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532198044] [2021-03-25 14:38:43,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:38:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:38:43,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:43,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:38:43,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:43,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:38:43,350 INFO L142 QuantifierPusher]: treesize reduction 31, result has 40.4 percent of original size [2021-03-25 14:38:43,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:38:43,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:38:43,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532198044] [2021-03-25 14:38:43,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:38:43,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:38:43,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253699298] [2021-03-25 14:38:43,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:38:43,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:38:43,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:38:43,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:38:43,372 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 197 [2021-03-25 14:38:43,373 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 31 transitions, 108 flow. Second operand has 5 states, 5 states have (on average 159.8) internal successors, (799), 5 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:43,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:38:43,373 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 197 [2021-03-25 14:38:43,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:38:43,430 INFO L129 PetriNetUnfolder]: 38/110 cut-off events. [2021-03-25 14:38:43,431 INFO L130 PetriNetUnfolder]: For 120/120 co-relation queries the response was YES. [2021-03-25 14:38:43,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 110 events. 38/110 cut-off events. For 120/120 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 371 event pairs, 20 based on Foata normal form. 3/103 useless extension candidates. Maximal degree in co-relation 266. Up to 53 conditions per place. [2021-03-25 14:38:43,435 INFO L132 encePairwiseOnDemand]: 191/197 looper letters, 9 selfloop transitions, 7 changer transitions 0/36 dead transitions. [2021-03-25 14:38:43,435 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 36 transitions, 152 flow [2021-03-25 14:38:43,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:38:43,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:38:43,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 651 transitions. [2021-03-25 14:38:43,442 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8261421319796954 [2021-03-25 14:38:43,442 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 651 transitions. [2021-03-25 14:38:43,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 651 transitions. [2021-03-25 14:38:43,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:38:43,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 651 transitions. [2021-03-25 14:38:43,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 162.75) internal successors, (651), 4 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:43,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 197.0) internal successors, (985), 5 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:43,447 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 197.0) internal successors, (985), 5 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:43,447 INFO L185 Difference]: Start difference. First operand has 41 places, 31 transitions, 108 flow. Second operand 4 states and 651 transitions. [2021-03-25 14:38:43,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 36 transitions, 152 flow [2021-03-25 14:38:43,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 36 transitions, 152 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 14:38:43,449 INFO L241 Difference]: Finished difference. Result has 46 places, 34 transitions, 148 flow [2021-03-25 14:38:43,449 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=148, PETRI_PLACES=46, PETRI_TRANSITIONS=34} [2021-03-25 14:38:43,449 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -11 predicate places. [2021-03-25 14:38:43,449 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:38:43,450 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 34 transitions, 148 flow [2021-03-25 14:38:43,450 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 34 transitions, 148 flow [2021-03-25 14:38:43,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 34 transitions, 148 flow [2021-03-25 14:38:43,462 INFO L129 PetriNetUnfolder]: 27/93 cut-off events. [2021-03-25 14:38:43,463 INFO L130 PetriNetUnfolder]: For 161/169 co-relation queries the response was YES. [2021-03-25 14:38:43,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 93 events. 27/93 cut-off events. For 161/169 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 326 event pairs, 11 based on Foata normal form. 2/84 useless extension candidates. Maximal degree in co-relation 242. Up to 31 conditions per place. [2021-03-25 14:38:43,464 INFO L142 LiptonReduction]: Number of co-enabled transitions 474 [2021-03-25 14:38:43,468 INFO L154 LiptonReduction]: Checked pairs total: 284 [2021-03-25 14:38:43,468 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:38:43,468 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-03-25 14:38:43,469 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 34 transitions, 148 flow [2021-03-25 14:38:43,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 159.8) internal successors, (799), 5 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:43,470 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:38:43,470 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:38:43,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 14:38:43,470 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:38:43,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:38:43,470 INFO L82 PathProgramCache]: Analyzing trace with hash -183385002, now seen corresponding path program 1 times [2021-03-25 14:38:43,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:38:43,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932303446] [2021-03-25 14:38:43,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:38:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:38:43,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:43,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:38:43,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:43,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:38:43,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:43,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:38:43,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:43,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:38:43,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:38:43,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932303446] [2021-03-25 14:38:43,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:38:43,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:38:43,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776494533] [2021-03-25 14:38:43,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:38:43,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:38:43,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:38:43,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:38:43,607 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 197 [2021-03-25 14:38:43,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 34 transitions, 148 flow. Second operand has 6 states, 6 states have (on average 152.83333333333334) internal successors, (917), 6 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:43,608 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:38:43,608 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 197 [2021-03-25 14:38:43,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:38:43,710 INFO L129 PetriNetUnfolder]: 35/108 cut-off events. [2021-03-25 14:38:43,711 INFO L130 PetriNetUnfolder]: For 200/202 co-relation queries the response was YES. [2021-03-25 14:38:43,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 108 events. 35/108 cut-off events. For 200/202 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 374 event pairs, 6 based on Foata normal form. 4/104 useless extension candidates. Maximal degree in co-relation 317. Up to 41 conditions per place. [2021-03-25 14:38:43,712 INFO L132 encePairwiseOnDemand]: 191/197 looper letters, 11 selfloop transitions, 13 changer transitions 0/44 dead transitions. [2021-03-25 14:38:43,712 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 44 transitions, 239 flow [2021-03-25 14:38:43,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:38:43,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:38:43,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1087 transitions. [2021-03-25 14:38:43,716 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7882523567802756 [2021-03-25 14:38:43,716 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1087 transitions. [2021-03-25 14:38:43,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1087 transitions. [2021-03-25 14:38:43,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:38:43,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1087 transitions. [2021-03-25 14:38:43,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 155.28571428571428) internal successors, (1087), 7 states have internal predecessors, (1087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:43,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 197.0) internal successors, (1576), 8 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:43,723 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 197.0) internal successors, (1576), 8 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:43,723 INFO L185 Difference]: Start difference. First operand has 46 places, 34 transitions, 148 flow. Second operand 7 states and 1087 transitions. [2021-03-25 14:38:43,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 44 transitions, 239 flow [2021-03-25 14:38:43,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 44 transitions, 232 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-25 14:38:43,728 INFO L241 Difference]: Finished difference. Result has 53 places, 40 transitions, 210 flow [2021-03-25 14:38:43,728 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=210, PETRI_PLACES=53, PETRI_TRANSITIONS=40} [2021-03-25 14:38:43,728 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -4 predicate places. [2021-03-25 14:38:43,728 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:38:43,729 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 40 transitions, 210 flow [2021-03-25 14:38:43,732 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 40 transitions, 210 flow [2021-03-25 14:38:43,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 40 transitions, 210 flow [2021-03-25 14:38:43,758 INFO L129 PetriNetUnfolder]: 30/93 cut-off events. [2021-03-25 14:38:43,760 INFO L130 PetriNetUnfolder]: For 433/446 co-relation queries the response was YES. [2021-03-25 14:38:43,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 93 events. 30/93 cut-off events. For 433/446 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 339 event pairs, 8 based on Foata normal form. 1/80 useless extension candidates. Maximal degree in co-relation 318. Up to 38 conditions per place. [2021-03-25 14:38:43,762 INFO L142 LiptonReduction]: Number of co-enabled transitions 580 [2021-03-25 14:38:43,813 INFO L154 LiptonReduction]: Checked pairs total: 413 [2021-03-25 14:38:43,818 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:38:43,818 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 90 [2021-03-25 14:38:43,821 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 40 transitions, 210 flow [2021-03-25 14:38:43,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 152.83333333333334) internal successors, (917), 6 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:43,822 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:38:43,822 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:38:43,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 14:38:43,822 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:38:43,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:38:43,823 INFO L82 PathProgramCache]: Analyzing trace with hash 2013898248, now seen corresponding path program 1 times [2021-03-25 14:38:43,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:38:43,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306111797] [2021-03-25 14:38:43,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:38:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:38:43,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:43,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:43,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:43,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:43,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:43,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:38:43,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:38:43,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306111797] [2021-03-25 14:38:43,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:38:43,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:38:43,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141604579] [2021-03-25 14:38:43,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:38:43,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:38:43,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:38:43,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:38:43,921 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 197 [2021-03-25 14:38:43,921 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 40 transitions, 210 flow. Second operand has 4 states, 4 states have (on average 164.75) internal successors, (659), 4 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:43,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:38:43,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 197 [2021-03-25 14:38:43,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:38:44,023 INFO L129 PetriNetUnfolder]: 256/498 cut-off events. [2021-03-25 14:38:44,023 INFO L130 PetriNetUnfolder]: For 921/967 co-relation queries the response was YES. [2021-03-25 14:38:44,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1407 conditions, 498 events. 256/498 cut-off events. For 921/967 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 2988 event pairs, 117 based on Foata normal form. 45/456 useless extension candidates. Maximal degree in co-relation 1387. Up to 269 conditions per place. [2021-03-25 14:38:44,030 INFO L132 encePairwiseOnDemand]: 190/197 looper letters, 11 selfloop transitions, 10 changer transitions 0/53 dead transitions. [2021-03-25 14:38:44,030 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 53 transitions, 278 flow [2021-03-25 14:38:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:38:44,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:38:44,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 842 transitions. [2021-03-25 14:38:44,033 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8548223350253807 [2021-03-25 14:38:44,033 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 842 transitions. [2021-03-25 14:38:44,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 842 transitions. [2021-03-25 14:38:44,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:38:44,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 842 transitions. [2021-03-25 14:38:44,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 168.4) internal successors, (842), 5 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:44,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 197.0) internal successors, (1182), 6 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:44,038 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 197.0) internal successors, (1182), 6 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:44,038 INFO L185 Difference]: Start difference. First operand has 53 places, 40 transitions, 210 flow. Second operand 5 states and 842 transitions. [2021-03-25 14:38:44,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 53 transitions, 278 flow [2021-03-25 14:38:44,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 53 transitions, 264 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-25 14:38:44,045 INFO L241 Difference]: Finished difference. Result has 58 places, 49 transitions, 275 flow [2021-03-25 14:38:44,045 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=275, PETRI_PLACES=58, PETRI_TRANSITIONS=49} [2021-03-25 14:38:44,045 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 1 predicate places. [2021-03-25 14:38:44,046 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:38:44,046 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 49 transitions, 275 flow [2021-03-25 14:38:44,046 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 49 transitions, 275 flow [2021-03-25 14:38:44,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 49 transitions, 275 flow [2021-03-25 14:38:44,123 INFO L129 PetriNetUnfolder]: 281/516 cut-off events. [2021-03-25 14:38:44,123 INFO L130 PetriNetUnfolder]: For 1061/1268 co-relation queries the response was YES. [2021-03-25 14:38:44,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1766 conditions, 516 events. 281/516 cut-off events. For 1061/1268 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 3050 event pairs, 121 based on Foata normal form. 3/419 useless extension candidates. Maximal degree in co-relation 1745. Up to 299 conditions per place. [2021-03-25 14:38:44,132 INFO L142 LiptonReduction]: Number of co-enabled transitions 816 [2021-03-25 14:38:44,151 INFO L154 LiptonReduction]: Checked pairs total: 356 [2021-03-25 14:38:44,151 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:38:44,152 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 106 [2021-03-25 14:38:44,156 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 49 transitions, 275 flow [2021-03-25 14:38:44,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 164.75) internal successors, (659), 4 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:44,156 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:38:44,156 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:38:44,156 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 14:38:44,156 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:38:44,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:38:44,157 INFO L82 PathProgramCache]: Analyzing trace with hash -819099530, now seen corresponding path program 1 times [2021-03-25 14:38:44,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:38:44,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699076903] [2021-03-25 14:38:44,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:38:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:38:44,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:44,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:44,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:44,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:44,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:44,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:44,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:44,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:38:44,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:38:44,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699076903] [2021-03-25 14:38:44,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:38:44,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:38:44,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734174832] [2021-03-25 14:38:44,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:38:44,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:38:44,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:38:44,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:38:44,268 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 197 [2021-03-25 14:38:44,268 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 49 transitions, 275 flow. Second operand has 5 states, 5 states have (on average 164.8) internal successors, (824), 5 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:44,268 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:38:44,268 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 197 [2021-03-25 14:38:44,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:38:44,368 INFO L129 PetriNetUnfolder]: 186/396 cut-off events. [2021-03-25 14:38:44,408 INFO L130 PetriNetUnfolder]: For 892/1434 co-relation queries the response was YES. [2021-03-25 14:38:44,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1580 conditions, 396 events. 186/396 cut-off events. For 892/1434 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 2212 event pairs, 37 based on Foata normal form. 79/413 useless extension candidates. Maximal degree in co-relation 1557. Up to 258 conditions per place. [2021-03-25 14:38:44,411 INFO L132 encePairwiseOnDemand]: 190/197 looper letters, 11 selfloop transitions, 19 changer transitions 0/62 dead transitions. [2021-03-25 14:38:44,411 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 62 transitions, 411 flow [2021-03-25 14:38:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:38:44,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:38:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1179 transitions. [2021-03-25 14:38:44,416 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.854967367657723 [2021-03-25 14:38:44,416 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1179 transitions. [2021-03-25 14:38:44,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1179 transitions. [2021-03-25 14:38:44,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:38:44,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1179 transitions. [2021-03-25 14:38:44,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 168.42857142857142) internal successors, (1179), 7 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:44,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 197.0) internal successors, (1576), 8 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:44,422 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 197.0) internal successors, (1576), 8 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:44,422 INFO L185 Difference]: Start difference. First operand has 58 places, 49 transitions, 275 flow. Second operand 7 states and 1179 transitions. [2021-03-25 14:38:44,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 62 transitions, 411 flow [2021-03-25 14:38:44,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 62 transitions, 406 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 14:38:44,428 INFO L241 Difference]: Finished difference. Result has 66 places, 58 transitions, 408 flow [2021-03-25 14:38:44,428 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=408, PETRI_PLACES=66, PETRI_TRANSITIONS=58} [2021-03-25 14:38:44,428 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 9 predicate places. [2021-03-25 14:38:44,429 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:38:44,429 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 58 transitions, 408 flow [2021-03-25 14:38:44,429 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 58 transitions, 408 flow [2021-03-25 14:38:44,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 58 transitions, 408 flow [2021-03-25 14:38:44,475 INFO L129 PetriNetUnfolder]: 193/396 cut-off events. [2021-03-25 14:38:44,475 INFO L130 PetriNetUnfolder]: For 1395/1970 co-relation queries the response was YES. [2021-03-25 14:38:44,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1857 conditions, 396 events. 193/396 cut-off events. For 1395/1970 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 2270 event pairs, 33 based on Foata normal form. 4/334 useless extension candidates. Maximal degree in co-relation 1832. Up to 258 conditions per place. [2021-03-25 14:38:44,483 INFO L142 LiptonReduction]: Number of co-enabled transitions 1008 [2021-03-25 14:38:44,491 INFO L154 LiptonReduction]: Checked pairs total: 425 [2021-03-25 14:38:44,491 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:38:44,491 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-03-25 14:38:44,492 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 58 transitions, 408 flow [2021-03-25 14:38:44,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 164.8) internal successors, (824), 5 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:44,493 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:38:44,493 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:38:44,493 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 14:38:44,493 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:38:44,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:38:44,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1047574259, now seen corresponding path program 1 times [2021-03-25 14:38:44,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:38:44,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180855987] [2021-03-25 14:38:44,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:38:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:38:44,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:44,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:38:44,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:44,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:44,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:38:44,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180855987] [2021-03-25 14:38:44,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:38:44,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:38:44,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950515064] [2021-03-25 14:38:44,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:38:44,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:38:44,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:38:44,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:38:44,562 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 197 [2021-03-25 14:38:44,562 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 58 transitions, 408 flow. Second operand has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:44,562 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:38:44,562 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 197 [2021-03-25 14:38:44,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:38:44,633 INFO L129 PetriNetUnfolder]: 272/545 cut-off events. [2021-03-25 14:38:44,634 INFO L130 PetriNetUnfolder]: For 2223/3146 co-relation queries the response was YES. [2021-03-25 14:38:44,637 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2599 conditions, 545 events. 272/545 cut-off events. For 2223/3146 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 3242 event pairs, 50 based on Foata normal form. 28/478 useless extension candidates. Maximal degree in co-relation 2572. Up to 397 conditions per place. [2021-03-25 14:38:44,640 INFO L132 encePairwiseOnDemand]: 194/197 looper letters, 3 selfloop transitions, 3 changer transitions 2/58 dead transitions. [2021-03-25 14:38:44,640 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 58 transitions, 420 flow [2021-03-25 14:38:44,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:38:44,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:38:44,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2021-03-25 14:38:44,643 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8984771573604061 [2021-03-25 14:38:44,643 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 531 transitions. [2021-03-25 14:38:44,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 531 transitions. [2021-03-25 14:38:44,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:38:44,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 531 transitions. [2021-03-25 14:38:44,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:44,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 197.0) internal successors, (788), 4 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:44,645 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 197.0) internal successors, (788), 4 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:44,646 INFO L185 Difference]: Start difference. First operand has 66 places, 58 transitions, 408 flow. Second operand 3 states and 531 transitions. [2021-03-25 14:38:44,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 58 transitions, 420 flow [2021-03-25 14:38:44,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 58 transitions, 370 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-25 14:38:44,654 INFO L241 Difference]: Finished difference. Result has 66 places, 56 transitions, 355 flow [2021-03-25 14:38:44,654 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=355, PETRI_PLACES=66, PETRI_TRANSITIONS=56} [2021-03-25 14:38:44,654 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 9 predicate places. [2021-03-25 14:38:44,654 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:38:44,654 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 56 transitions, 355 flow [2021-03-25 14:38:44,655 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 56 transitions, 355 flow [2021-03-25 14:38:44,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 56 transitions, 355 flow [2021-03-25 14:38:44,713 INFO L129 PetriNetUnfolder]: 258/528 cut-off events. [2021-03-25 14:38:44,713 INFO L130 PetriNetUnfolder]: For 2077/2268 co-relation queries the response was YES. [2021-03-25 14:38:44,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2270 conditions, 528 events. 258/528 cut-off events. For 2077/2268 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 3323 event pairs, 47 based on Foata normal form. 6/442 useless extension candidates. Maximal degree in co-relation 2245. Up to 323 conditions per place. [2021-03-25 14:38:44,723 INFO L142 LiptonReduction]: Number of co-enabled transitions 972 [2021-03-25 14:38:44,736 INFO L154 LiptonReduction]: Checked pairs total: 489 [2021-03-25 14:38:44,736 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:38:44,736 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 82 [2021-03-25 14:38:44,736 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 56 transitions, 355 flow [2021-03-25 14:38:44,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:44,737 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:38:44,737 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:38:44,737 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 14:38:44,737 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:38:44,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:38:44,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1068196340, now seen corresponding path program 1 times [2021-03-25 14:38:44,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:38:44,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995584757] [2021-03-25 14:38:44,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:38:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:38:44,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:44,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:44,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:44,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:44,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:44,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:44,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:44,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:44,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:44,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:38:44,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:38:44,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995584757] [2021-03-25 14:38:44,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:38:44,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:38:44,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477740935] [2021-03-25 14:38:44,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:38:44,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:38:44,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:38:44,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:38:44,840 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 197 [2021-03-25 14:38:44,841 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 56 transitions, 355 flow. Second operand has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:44,841 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:38:44,841 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 197 [2021-03-25 14:38:44,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:38:44,965 INFO L129 PetriNetUnfolder]: 181/399 cut-off events. [2021-03-25 14:38:44,965 INFO L130 PetriNetUnfolder]: For 1957/3293 co-relation queries the response was YES. [2021-03-25 14:38:44,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1978 conditions, 399 events. 181/399 cut-off events. For 1957/3293 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 2235 event pairs, 6 based on Foata normal form. 109/429 useless extension candidates. Maximal degree in co-relation 1951. Up to 262 conditions per place. [2021-03-25 14:38:44,970 INFO L132 encePairwiseOnDemand]: 190/197 looper letters, 6 selfloop transitions, 25 changer transitions 5/66 dead transitions. [2021-03-25 14:38:44,970 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 66 transitions, 526 flow [2021-03-25 14:38:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 14:38:44,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 14:38:44,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1514 transitions. [2021-03-25 14:38:44,974 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8539199097574732 [2021-03-25 14:38:44,974 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1514 transitions. [2021-03-25 14:38:44,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1514 transitions. [2021-03-25 14:38:44,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:38:44,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1514 transitions. [2021-03-25 14:38:44,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 168.22222222222223) internal successors, (1514), 9 states have internal predecessors, (1514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:44,981 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 197.0) internal successors, (1970), 10 states have internal predecessors, (1970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:44,982 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 197.0) internal successors, (1970), 10 states have internal predecessors, (1970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:44,982 INFO L185 Difference]: Start difference. First operand has 66 places, 56 transitions, 355 flow. Second operand 9 states and 1514 transitions. [2021-03-25 14:38:44,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 66 transitions, 526 flow [2021-03-25 14:38:44,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 66 transitions, 498 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-25 14:38:44,987 INFO L241 Difference]: Finished difference. Result has 72 places, 61 transitions, 461 flow [2021-03-25 14:38:44,987 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=461, PETRI_PLACES=72, PETRI_TRANSITIONS=61} [2021-03-25 14:38:44,988 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 15 predicate places. [2021-03-25 14:38:44,988 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:38:44,988 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 61 transitions, 461 flow [2021-03-25 14:38:44,988 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 61 transitions, 461 flow [2021-03-25 14:38:44,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 61 transitions, 461 flow [2021-03-25 14:38:45,025 INFO L129 PetriNetUnfolder]: 146/375 cut-off events. [2021-03-25 14:38:45,025 INFO L130 PetriNetUnfolder]: For 2066/2411 co-relation queries the response was YES. [2021-03-25 14:38:45,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1961 conditions, 375 events. 146/375 cut-off events. For 2066/2411 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 2400 event pairs, 7 based on Foata normal form. 7/313 useless extension candidates. Maximal degree in co-relation 1935. Up to 244 conditions per place. [2021-03-25 14:38:45,032 INFO L142 LiptonReduction]: Number of co-enabled transitions 1024 [2021-03-25 14:38:45,230 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-03-25 14:38:45,637 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2021-03-25 14:38:45,738 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-25 14:38:45,760 INFO L154 LiptonReduction]: Checked pairs total: 1219 [2021-03-25 14:38:45,761 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 14:38:45,761 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 773 [2021-03-25 14:38:45,761 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 58 transitions, 436 flow [2021-03-25 14:38:45,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:45,763 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:38:45,763 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:38:45,763 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 14:38:45,763 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:38:45,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:38:45,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1811612672, now seen corresponding path program 1 times [2021-03-25 14:38:45,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:38:45,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928414938] [2021-03-25 14:38:45,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:38:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:38:45,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:45,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:38:45,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:45,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:45,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:45,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:38:45,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928414938] [2021-03-25 14:38:45,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:38:45,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:38:45,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192660345] [2021-03-25 14:38:45,820 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:38:45,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:38:45,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:38:45,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:38:45,821 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 198 [2021-03-25 14:38:45,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 58 transitions, 436 flow. Second operand has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:45,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:38:45,822 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 198 [2021-03-25 14:38:45,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:38:45,918 INFO L129 PetriNetUnfolder]: 149/359 cut-off events. [2021-03-25 14:38:45,918 INFO L130 PetriNetUnfolder]: For 1751/1942 co-relation queries the response was YES. [2021-03-25 14:38:45,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1748 conditions, 359 events. 149/359 cut-off events. For 1751/1942 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 1982 event pairs, 10 based on Foata normal form. 10/327 useless extension candidates. Maximal degree in co-relation 1720. Up to 234 conditions per place. [2021-03-25 14:38:45,921 INFO L132 encePairwiseOnDemand]: 195/198 looper letters, 4 selfloop transitions, 2 changer transitions 0/51 dead transitions. [2021-03-25 14:38:45,921 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 51 transitions, 363 flow [2021-03-25 14:38:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:38:45,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:38:45,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 703 transitions. [2021-03-25 14:38:45,924 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8876262626262627 [2021-03-25 14:38:45,924 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 703 transitions. [2021-03-25 14:38:45,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 703 transitions. [2021-03-25 14:38:45,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:38:45,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 703 transitions. [2021-03-25 14:38:45,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:45,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:45,928 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:45,928 INFO L185 Difference]: Start difference. First operand has 72 places, 58 transitions, 436 flow. Second operand 4 states and 703 transitions. [2021-03-25 14:38:45,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 51 transitions, 363 flow [2021-03-25 14:38:45,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 51 transitions, 296 flow, removed 27 selfloop flow, removed 7 redundant places. [2021-03-25 14:38:45,933 INFO L241 Difference]: Finished difference. Result has 62 places, 50 transitions, 283 flow [2021-03-25 14:38:45,934 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=283, PETRI_PLACES=62, PETRI_TRANSITIONS=50} [2021-03-25 14:38:45,934 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 5 predicate places. [2021-03-25 14:38:45,934 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:38:45,935 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 50 transitions, 283 flow [2021-03-25 14:38:45,935 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 50 transitions, 283 flow [2021-03-25 14:38:45,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 50 transitions, 283 flow [2021-03-25 14:38:45,963 INFO L129 PetriNetUnfolder]: 147/356 cut-off events. [2021-03-25 14:38:45,963 INFO L130 PetriNetUnfolder]: For 580/603 co-relation queries the response was YES. [2021-03-25 14:38:45,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1219 conditions, 356 events. 147/356 cut-off events. For 580/603 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2011 event pairs, 9 based on Foata normal form. 2/312 useless extension candidates. Maximal degree in co-relation 1196. Up to 162 conditions per place. [2021-03-25 14:38:45,968 INFO L142 LiptonReduction]: Number of co-enabled transitions 682 [2021-03-25 14:38:45,975 INFO L154 LiptonReduction]: Checked pairs total: 236 [2021-03-25 14:38:45,976 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:38:45,976 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-03-25 14:38:45,977 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 50 transitions, 283 flow [2021-03-25 14:38:45,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:45,977 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:38:45,977 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:38:45,977 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 14:38:45,977 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:38:45,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:38:45,978 INFO L82 PathProgramCache]: Analyzing trace with hash -378335578, now seen corresponding path program 1 times [2021-03-25 14:38:45,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:38:45,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460067164] [2021-03-25 14:38:45,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:38:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:38:46,044 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-25 14:38:46,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 14:38:46,069 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 14:38:46,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 14:38:46,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:46,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 14:38:46,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:46,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 14:38:46,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:38:46,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460067164] [2021-03-25 14:38:46,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:38:46,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:38:46,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505716196] [2021-03-25 14:38:46,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:38:46,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:38:46,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:38:46,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:38:46,111 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 198 [2021-03-25 14:38:46,112 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 50 transitions, 283 flow. Second operand has 6 states, 6 states have (on average 156.16666666666666) internal successors, (937), 6 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:46,112 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:38:46,112 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 198 [2021-03-25 14:38:46,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:38:46,289 INFO L129 PetriNetUnfolder]: 416/970 cut-off events. [2021-03-25 14:38:46,290 INFO L130 PetriNetUnfolder]: For 1743/1861 co-relation queries the response was YES. [2021-03-25 14:38:46,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3344 conditions, 970 events. 416/970 cut-off events. For 1743/1861 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 6801 event pairs, 21 based on Foata normal form. 16/903 useless extension candidates. Maximal degree in co-relation 3319. Up to 387 conditions per place. [2021-03-25 14:38:46,298 INFO L132 encePairwiseOnDemand]: 193/198 looper letters, 24 selfloop transitions, 8 changer transitions 6/72 dead transitions. [2021-03-25 14:38:46,298 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 72 transitions, 478 flow [2021-03-25 14:38:46,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:38:46,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:38:46,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1110 transitions. [2021-03-25 14:38:46,302 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8008658008658008 [2021-03-25 14:38:46,302 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1110 transitions. [2021-03-25 14:38:46,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1110 transitions. [2021-03-25 14:38:46,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:38:46,303 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1110 transitions. [2021-03-25 14:38:46,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 158.57142857142858) internal successors, (1110), 7 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) [2021-03-25 14:38:46,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 198.0) internal successors, (1584), 8 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:46,308 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 198.0) internal successors, (1584), 8 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:46,308 INFO L185 Difference]: Start difference. First operand has 62 places, 50 transitions, 283 flow. Second operand 7 states and 1110 transitions. [2021-03-25 14:38:46,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 72 transitions, 478 flow [2021-03-25 14:38:46,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 72 transitions, 477 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 14:38:46,317 INFO L241 Difference]: Finished difference. Result has 70 places, 53 transitions, 325 flow [2021-03-25 14:38:46,317 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=325, PETRI_PLACES=70, PETRI_TRANSITIONS=53} [2021-03-25 14:38:46,317 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 13 predicate places. [2021-03-25 14:38:46,317 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:38:46,317 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 53 transitions, 325 flow [2021-03-25 14:38:46,318 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 53 transitions, 325 flow [2021-03-25 14:38:46,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 53 transitions, 325 flow [2021-03-25 14:38:46,383 INFO L129 PetriNetUnfolder]: 319/764 cut-off events. [2021-03-25 14:38:46,383 INFO L130 PetriNetUnfolder]: For 1271/1353 co-relation queries the response was YES. [2021-03-25 14:38:46,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2603 conditions, 764 events. 319/764 cut-off events. For 1271/1353 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 5313 event pairs, 18 based on Foata normal form. 6/694 useless extension candidates. Maximal degree in co-relation 2576. Up to 346 conditions per place. [2021-03-25 14:38:46,394 INFO L142 LiptonReduction]: Number of co-enabled transitions 722 [2021-03-25 14:38:46,403 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 14:38:46,403 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:38:46,403 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 86 [2021-03-25 14:38:46,404 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 53 transitions, 325 flow [2021-03-25 14:38:46,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 156.16666666666666) internal successors, (937), 6 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:46,404 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:38:46,404 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:38:46,404 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 14:38:46,404 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:38:46,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:38:46,405 INFO L82 PathProgramCache]: Analyzing trace with hash -621391966, now seen corresponding path program 2 times [2021-03-25 14:38:46,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:38:46,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172321417] [2021-03-25 14:38:46,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:38:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:38:46,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:46,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:38:46,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:46,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:38:46,481 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-03-25 14:38:46,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 14:38:46,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:46,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:38:46,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:38:46,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172321417] [2021-03-25 14:38:46,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:38:46,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:38:46,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299733332] [2021-03-25 14:38:46,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:38:46,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:38:46,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:38:46,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:38:46,513 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 198 [2021-03-25 14:38:46,514 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 53 transitions, 325 flow. Second operand has 6 states, 6 states have (on average 150.83333333333334) internal successors, (905), 6 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:46,514 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:38:46,514 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 198 [2021-03-25 14:38:46,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:38:46,669 INFO L129 PetriNetUnfolder]: 373/868 cut-off events. [2021-03-25 14:38:46,670 INFO L130 PetriNetUnfolder]: For 1675/1777 co-relation queries the response was YES. [2021-03-25 14:38:46,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3114 conditions, 868 events. 373/868 cut-off events. For 1675/1777 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 6002 event pairs, 18 based on Foata normal form. 14/807 useless extension candidates. Maximal degree in co-relation 3085. Up to 376 conditions per place. [2021-03-25 14:38:46,678 INFO L132 encePairwiseOnDemand]: 190/198 looper letters, 9 selfloop transitions, 12 changer transitions 1/57 dead transitions. [2021-03-25 14:38:46,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 57 transitions, 396 flow [2021-03-25 14:38:46,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:38:46,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:38:46,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 765 transitions. [2021-03-25 14:38:46,681 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7727272727272727 [2021-03-25 14:38:46,681 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 765 transitions. [2021-03-25 14:38:46,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 765 transitions. [2021-03-25 14:38:46,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:38:46,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 765 transitions. [2021-03-25 14:38:46,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 153.0) internal successors, (765), 5 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:46,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:46,685 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:46,685 INFO L185 Difference]: Start difference. First operand has 69 places, 53 transitions, 325 flow. Second operand 5 states and 765 transitions. [2021-03-25 14:38:46,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 57 transitions, 396 flow [2021-03-25 14:38:46,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 57 transitions, 396 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 14:38:46,691 INFO L241 Difference]: Finished difference. Result has 75 places, 56 transitions, 386 flow [2021-03-25 14:38:46,691 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=386, PETRI_PLACES=75, PETRI_TRANSITIONS=56} [2021-03-25 14:38:46,691 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 18 predicate places. [2021-03-25 14:38:46,691 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:38:46,691 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 56 transitions, 386 flow [2021-03-25 14:38:46,692 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 56 transitions, 386 flow [2021-03-25 14:38:46,692 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 56 transitions, 386 flow [2021-03-25 14:38:46,766 INFO L129 PetriNetUnfolder]: 351/841 cut-off events. [2021-03-25 14:38:46,766 INFO L130 PetriNetUnfolder]: For 1681/1775 co-relation queries the response was YES. [2021-03-25 14:38:46,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2994 conditions, 841 events. 351/841 cut-off events. For 1681/1775 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 5973 event pairs, 18 based on Foata normal form. 10/761 useless extension candidates. Maximal degree in co-relation 2963. Up to 379 conditions per place. [2021-03-25 14:38:46,778 INFO L142 LiptonReduction]: Number of co-enabled transitions 754 [2021-03-25 14:38:47,276 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 14:38:47,469 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 14:38:47,489 INFO L154 LiptonReduction]: Checked pairs total: 11 [2021-03-25 14:38:47,489 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:38:47,489 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 798 [2021-03-25 14:38:47,490 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 56 transitions, 392 flow [2021-03-25 14:38:47,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 150.83333333333334) internal successors, (905), 6 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:47,490 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:38:47,491 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:38:47,491 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 14:38:47,491 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:38:47,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:38:47,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1375945286, now seen corresponding path program 3 times [2021-03-25 14:38:47,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:38:47,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880893728] [2021-03-25 14:38:47,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:38:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:38:47,553 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-25 14:38:47,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 14:38:47,582 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-25 14:38:47,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 14:38:47,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:47,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:38:47,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:47,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:38:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:38:47,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880893728] [2021-03-25 14:38:47,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:38:47,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:38:47,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816216967] [2021-03-25 14:38:47,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:38:47,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:38:47,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:38:47,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:38:47,648 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 199 [2021-03-25 14:38:47,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 56 transitions, 392 flow. Second operand has 6 states, 6 states have (on average 151.83333333333334) internal successors, (911), 6 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:47,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:38:47,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 199 [2021-03-25 14:38:47,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:38:47,831 INFO L129 PetriNetUnfolder]: 373/870 cut-off events. [2021-03-25 14:38:47,831 INFO L130 PetriNetUnfolder]: For 2228/2347 co-relation queries the response was YES. [2021-03-25 14:38:47,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3303 conditions, 870 events. 373/870 cut-off events. For 2228/2347 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 6032 event pairs, 16 based on Foata normal form. 26/821 useless extension candidates. Maximal degree in co-relation 3270. Up to 378 conditions per place. [2021-03-25 14:38:47,839 INFO L132 encePairwiseOnDemand]: 194/199 looper letters, 8 selfloop transitions, 11 changer transitions 4/58 dead transitions. [2021-03-25 14:38:47,839 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 58 transitions, 454 flow [2021-03-25 14:38:47,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:38:47,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:38:47,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 619 transitions. [2021-03-25 14:38:47,841 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7776381909547738 [2021-03-25 14:38:47,842 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 619 transitions. [2021-03-25 14:38:47,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 619 transitions. [2021-03-25 14:38:47,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:38:47,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 619 transitions. [2021-03-25 14:38:47,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 154.75) internal successors, (619), 4 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:47,845 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 199.0) internal successors, (995), 5 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:47,845 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 199.0) internal successors, (995), 5 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:47,845 INFO L185 Difference]: Start difference. First operand has 75 places, 56 transitions, 392 flow. Second operand 4 states and 619 transitions. [2021-03-25 14:38:47,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 58 transitions, 454 flow [2021-03-25 14:38:47,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 58 transitions, 443 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-25 14:38:47,853 INFO L241 Difference]: Finished difference. Result has 78 places, 54 transitions, 394 flow [2021-03-25 14:38:47,853 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=394, PETRI_PLACES=78, PETRI_TRANSITIONS=54} [2021-03-25 14:38:47,853 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 21 predicate places. [2021-03-25 14:38:47,853 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:38:47,853 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 54 transitions, 394 flow [2021-03-25 14:38:47,854 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 54 transitions, 394 flow [2021-03-25 14:38:47,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 54 transitions, 394 flow [2021-03-25 14:38:47,924 INFO L129 PetriNetUnfolder]: 347/831 cut-off events. [2021-03-25 14:38:47,924 INFO L130 PetriNetUnfolder]: For 1849/1947 co-relation queries the response was YES. [2021-03-25 14:38:47,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3016 conditions, 831 events. 347/831 cut-off events. For 1849/1947 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 5960 event pairs, 18 based on Foata normal form. 13/757 useless extension candidates. Maximal degree in co-relation 2983. Up to 377 conditions per place. [2021-03-25 14:38:47,936 INFO L142 LiptonReduction]: Number of co-enabled transitions 754 [2021-03-25 14:38:47,952 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 14:38:47,952 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:38:47,952 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 99 [2021-03-25 14:38:47,953 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 54 transitions, 394 flow [2021-03-25 14:38:47,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 151.83333333333334) internal successors, (911), 6 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:47,953 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:38:47,953 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:38:47,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 14:38:47,953 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:38:47,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:38:47,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1282819220, now seen corresponding path program 2 times [2021-03-25 14:38:47,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:38:47,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546390679] [2021-03-25 14:38:47,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:38:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:38:48,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:48,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:48,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:48,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:48,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:48,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:48,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:48,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:48,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:48,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:38:48,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:38:48,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:38:48,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:38:48,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546390679] [2021-03-25 14:38:48,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:38:48,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:38:48,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505008379] [2021-03-25 14:38:48,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:38:48,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:38:48,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:38:48,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:38:48,046 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 199 [2021-03-25 14:38:48,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 54 transitions, 394 flow. Second operand has 7 states, 7 states have (on average 165.85714285714286) internal successors, (1161), 7 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:48,047 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:38:48,047 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 199 [2021-03-25 14:38:48,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:38:48,182 INFO L129 PetriNetUnfolder]: 297/713 cut-off events. [2021-03-25 14:38:48,182 INFO L130 PetriNetUnfolder]: For 1784/2616 co-relation queries the response was YES. [2021-03-25 14:38:48,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3039 conditions, 713 events. 297/713 cut-off events. For 1784/2616 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 4888 event pairs, 0 based on Foata normal form. 272/911 useless extension candidates. Maximal degree in co-relation 3004. Up to 341 conditions per place. [2021-03-25 14:38:48,188 INFO L132 encePairwiseOnDemand]: 192/199 looper letters, 2 selfloop transitions, 18 changer transitions 17/59 dead transitions. [2021-03-25 14:38:48,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 59 transitions, 490 flow [2021-03-25 14:38:48,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 14:38:48,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 14:38:48,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1346 transitions. [2021-03-25 14:38:48,192 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8454773869346733 [2021-03-25 14:38:48,192 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1346 transitions. [2021-03-25 14:38:48,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1346 transitions. [2021-03-25 14:38:48,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:38:48,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1346 transitions. [2021-03-25 14:38:48,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 168.25) internal successors, (1346), 8 states have internal predecessors, (1346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:48,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 199.0) internal successors, (1791), 9 states have internal predecessors, (1791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:48,211 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 199.0) internal successors, (1791), 9 states have internal predecessors, (1791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:48,211 INFO L185 Difference]: Start difference. First operand has 78 places, 54 transitions, 394 flow. Second operand 8 states and 1346 transitions. [2021-03-25 14:38:48,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 59 transitions, 490 flow [2021-03-25 14:38:48,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 59 transitions, 417 flow, removed 16 selfloop flow, removed 7 redundant places. [2021-03-25 14:38:48,219 INFO L241 Difference]: Finished difference. Result has 81 places, 42 transitions, 297 flow [2021-03-25 14:38:48,219 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=297, PETRI_PLACES=81, PETRI_TRANSITIONS=42} [2021-03-25 14:38:48,220 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 24 predicate places. [2021-03-25 14:38:48,220 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:38:48,220 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 42 transitions, 297 flow [2021-03-25 14:38:48,220 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 42 transitions, 297 flow [2021-03-25 14:38:48,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 42 transitions, 297 flow [2021-03-25 14:38:48,232 INFO L129 PetriNetUnfolder]: 41/123 cut-off events. [2021-03-25 14:38:48,232 INFO L130 PetriNetUnfolder]: For 225/242 co-relation queries the response was YES. [2021-03-25 14:38:48,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 499 conditions, 123 events. 41/123 cut-off events. For 225/242 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 467 event pairs, 0 based on Foata normal form. 1/116 useless extension candidates. Maximal degree in co-relation 471. Up to 50 conditions per place. [2021-03-25 14:38:48,234 INFO L142 LiptonReduction]: Number of co-enabled transitions 308 [2021-03-25 14:38:48,935 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 184 [2021-03-25 14:38:49,153 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-03-25 14:38:50,387 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 339 DAG size of output: 260 [2021-03-25 14:38:50,818 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2021-03-25 14:38:51,066 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-25 14:38:51,317 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-25 14:38:51,793 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-03-25 14:38:52,319 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-03-25 14:38:52,336 INFO L154 LiptonReduction]: Checked pairs total: 120 [2021-03-25 14:38:52,336 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-25 14:38:52,336 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4116 [2021-03-25 14:38:52,337 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 36 transitions, 278 flow [2021-03-25 14:38:52,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 165.85714285714286) internal successors, (1161), 7 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:38:52,337 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:38:52,337 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:38:52,337 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 14:38:52,337 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:38:52,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:38:52,338 INFO L82 PathProgramCache]: Analyzing trace with hash 375001003, now seen corresponding path program 1 times [2021-03-25 14:38:52,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:38:52,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991327005] [2021-03-25 14:38:52,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:38:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 14:38:52,382 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 14:38:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 14:38:52,423 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 14:38:52,462 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 14:38:52,463 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 14:38:52,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 14:38:52,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 02:38:52 BasicIcfg [2021-03-25 14:38:52,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 14:38:52,585 INFO L168 Benchmark]: Toolchain (without parser) took 26190.39 ms. Allocated memory was 343.9 MB in the beginning and 765.5 MB in the end (delta: 421.5 MB). Free memory was 306.5 MB in the beginning and 485.5 MB in the end (delta: -178.9 MB). Peak memory consumption was 243.0 MB. Max. memory is 16.0 GB. [2021-03-25 14:38:52,585 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 343.9 MB. Free memory is still 325.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 14:38:52,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.84 ms. Allocated memory is still 343.9 MB. Free memory was 306.4 MB in the beginning and 301.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:38:52,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.29 ms. Allocated memory is still 343.9 MB. Free memory was 301.8 MB in the beginning and 299.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:38:52,586 INFO L168 Benchmark]: Boogie Preprocessor took 39.72 ms. Allocated memory is still 343.9 MB. Free memory was 299.7 MB in the beginning and 297.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:38:52,586 INFO L168 Benchmark]: RCFGBuilder took 1710.63 ms. Allocated memory is still 343.9 MB. Free memory was 297.7 MB in the beginning and 264.6 MB in the end (delta: 33.0 MB). Peak memory consumption was 156.8 MB. Max. memory is 16.0 GB. [2021-03-25 14:38:52,586 INFO L168 Benchmark]: TraceAbstraction took 23767.18 ms. Allocated memory was 343.9 MB in the beginning and 765.5 MB in the end (delta: 421.5 MB). Free memory was 264.6 MB in the beginning and 485.5 MB in the end (delta: -220.8 MB). Peak memory consumption was 200.7 MB. Max. memory is 16.0 GB. [2021-03-25 14:38:52,587 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 343.9 MB. Free memory is still 325.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 578.84 ms. Allocated memory is still 343.9 MB. Free memory was 306.4 MB in the beginning and 301.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 85.29 ms. Allocated memory is still 343.9 MB. Free memory was 301.8 MB in the beginning and 299.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 39.72 ms. Allocated memory is still 343.9 MB. Free memory was 299.7 MB in the beginning and 297.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1710.63 ms. Allocated memory is still 343.9 MB. Free memory was 297.7 MB in the beginning and 264.6 MB in the end (delta: 33.0 MB). Peak memory consumption was 156.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 23767.18 ms. Allocated memory was 343.9 MB in the beginning and 765.5 MB in the end (delta: 421.5 MB). Free memory was 264.6 MB in the beginning and 485.5 MB in the end (delta: -220.8 MB). Peak memory consumption was 200.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8844.6ms, 120 PlacesBefore, 57 PlacesAfterwards, 109 TransitionsBefore, 45 TransitionsAfterwards, 2406 CoEnabledTransitionPairs, 6 FixpointIterations, 29 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 72 TotalNumberOfCompositions, 4266 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2336, positive: 2237, positive conditional: 0, positive unconditional: 2237, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1577, positive: 1532, positive conditional: 0, positive unconditional: 1532, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1577, positive: 1532, positive conditional: 0, positive unconditional: 1532, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1577, positive: 1518, positive conditional: 0, positive unconditional: 1518, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 733, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 696, negative conditional: 0, negative unconditional: 696, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2336, positive: 705, positive conditional: 0, positive unconditional: 705, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 1577, unknown conditional: 0, unknown unconditional: 1577] , Statistics on independence cache: Total cache size (in pairs): 248, Positive cache size: 227, Positive conditional cache size: 0, Positive unconditional cache size: 227, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3270.5ms, 53 PlacesBefore, 38 PlacesAfterwards, 37 TransitionsBefore, 27 TransitionsAfterwards, 362 CoEnabledTransitionPairs, 4 FixpointIterations, 8 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 1530 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 430, positive: 337, positive conditional: 0, positive unconditional: 337, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 56, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 56, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 56, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 279, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 267, negative conditional: 0, negative unconditional: 267, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 430, positive: 300, positive conditional: 0, positive unconditional: 300, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 56, unknown conditional: 0, unknown unconditional: 56] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1275.2ms, 39 PlacesBefore, 37 PlacesAfterwards, 29 TransitionsBefore, 27 TransitionsAfterwards, 356 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1020 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 241, positive: 181, positive conditional: 0, positive unconditional: 181, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 17, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 241, positive: 172, positive conditional: 0, positive unconditional: 172, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 262, Positive cache size: 232, Positive conditional cache size: 0, Positive unconditional cache size: 232, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.8ms, 41 PlacesBefore, 41 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 428 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 310 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 77, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 77, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 263, Positive cache size: 233, Positive conditional cache size: 0, Positive unconditional cache size: 233, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.1ms, 46 PlacesBefore, 46 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 474 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 284 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 112, positive: 98, positive conditional: 0, positive unconditional: 98, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 112, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 268, Positive cache size: 238, Positive conditional cache size: 0, Positive unconditional cache size: 238, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.0ms, 53 PlacesBefore, 53 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 580 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 413 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 62, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 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: 46, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 62, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 272, Positive cache size: 240, Positive conditional cache size: 0, Positive unconditional cache size: 240, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 105.5ms, 58 PlacesBefore, 58 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 816 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 356 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 123, positive: 111, positive conditional: 0, positive unconditional: 111, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 123, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 274, Positive cache size: 242, Positive conditional cache size: 0, Positive unconditional cache size: 242, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.0ms, 66 PlacesBefore, 66 PlacesAfterwards, 58 TransitionsBefore, 58 TransitionsAfterwards, 1008 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 425 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 188, positive: 176, positive conditional: 0, positive unconditional: 176, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 188, positive: 176, positive conditional: 0, positive unconditional: 176, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 274, Positive cache size: 242, Positive conditional cache size: 0, Positive unconditional cache size: 242, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 81.3ms, 66 PlacesBefore, 66 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 972 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 489 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 90, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 90, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 274, Positive cache size: 242, Positive conditional cache size: 0, Positive unconditional cache size: 242, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 772.7ms, 72 PlacesBefore, 72 PlacesAfterwards, 61 TransitionsBefore, 58 TransitionsAfterwards, 1024 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 1219 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 599, positive: 567, positive conditional: 0, positive unconditional: 567, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, 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: 11, positive: 11, positive conditional: 0, positive unconditional: 11, 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: 599, positive: 556, positive conditional: 0, positive unconditional: 556, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 253, Positive cache size: 230, Positive conditional cache size: 0, Positive unconditional cache size: 230, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.9ms, 62 PlacesBefore, 62 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 236 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 68, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 253, Positive cache size: 230, Positive conditional cache size: 0, Positive unconditional cache size: 230, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 85.4ms, 70 PlacesBefore, 69 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 722 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 253, Positive cache size: 230, Positive conditional cache size: 0, Positive unconditional cache size: 230, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 797.4ms, 75 PlacesBefore, 75 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 754 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 11 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 250, Positive cache size: 231, Positive conditional cache size: 0, Positive unconditional cache size: 231, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 98.4ms, 78 PlacesBefore, 78 PlacesAfterwards, 54 TransitionsBefore, 54 TransitionsAfterwards, 754 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 250, Positive cache size: 231, Positive conditional cache size: 0, Positive unconditional cache size: 231, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4115.9ms, 81 PlacesBefore, 67 PlacesAfterwards, 42 TransitionsBefore, 36 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 120 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 83, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 83, positive: 74, positive conditional: 0, positive unconditional: 74, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 122, Positive cache size: 119, Positive conditional cache size: 0, Positive unconditional cache size: 119, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int a = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L722] 0 int y = 0; [L724] 0 int z = 0; [L725] 0 _Bool z$flush_delayed; [L726] 0 int z$mem_tmp; [L727] 0 _Bool z$r_buff0_thd0; [L728] 0 _Bool z$r_buff0_thd1; [L729] 0 _Bool z$r_buff0_thd2; [L730] 0 _Bool z$r_buff0_thd3; [L731] 0 _Bool z$r_buff0_thd4; [L732] 0 _Bool z$r_buff1_thd0; [L733] 0 _Bool z$r_buff1_thd1; [L734] 0 _Bool z$r_buff1_thd2; [L735] 0 _Bool z$r_buff1_thd3; [L736] 0 _Bool z$r_buff1_thd4; [L737] 0 _Bool z$read_delayed; [L738] 0 int *z$read_delayed_var; [L739] 0 int z$w_buff0; [L740] 0 _Bool z$w_buff0_used; [L741] 0 int z$w_buff1; [L742] 0 _Bool z$w_buff1_used; [L743] 0 _Bool weak$$choice0; [L744] 0 _Bool weak$$choice2; [L836] 0 pthread_t t1477; [L837] FCALL, FORK 0 pthread_create(&t1477, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L838] 0 pthread_t t1478; [L839] FCALL, FORK 0 pthread_create(&t1478, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L840] 0 pthread_t t1479; [L841] FCALL, FORK 0 pthread_create(&t1479, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L842] 0 pthread_t t1480; [L843] FCALL, FORK 0 pthread_create(&t1480, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L798] 4 z$w_buff1 = z$w_buff0 [L799] 4 z$w_buff0 = 2 [L800] 4 z$w_buff1_used = z$w_buff0_used [L801] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L803] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L804] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L805] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L806] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L807] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L808] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L811] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L748] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L751] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L763] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L766] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L758] 1 return 0; [L771] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L773] 2 return 0; [L778] 3 y = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L781] 3 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L814] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L814] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L815] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L815] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L816] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L816] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L817] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L817] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L818] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L818] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L784] 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) [L784] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L784] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L784] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L785] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L785] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L786] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L786] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L787] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L787] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L788] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L791] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L793] 3 return 0; [L821] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L823] 4 return 0; [L845] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L849] 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) [L849] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L849] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L850] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L850] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L851] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L851] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L852] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L852] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L853] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L853] 0 z$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 [L856] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L857] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L858] 0 z$flush_delayed = weak$$choice2 [L859] 0 z$mem_tmp = z [L860] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L860] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L861] EXPR 0 weak$$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$w_buff0)) [L861] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L862] EXPR 0 weak$$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$w_buff1)) [L862] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L863] EXPR 0 weak$$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)) [L863] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L864] EXPR 0 weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L864] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L865] EXPR 0 weak$$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)) [L865] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L866] EXPR 0 weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L866] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L867] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 0) [L868] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L868] 0 z = z$flush_delayed ? z$mem_tmp : z [L869] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 112 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 23540.1ms, OverallIterations: 15, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1851.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8917.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 58 SDtfs, 36 SDslu, 36 SDs, 0 SdLazy, 350 SolverSat, 111 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 367.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 426.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=461occurred in iteration=9, InterpolantAutomatonStates: 73, 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: 50.7ms SsaConstructionTime, 534.7ms SatisfiabilityAnalysisTime, 1042.6ms InterpolantComputationTime, 282 NumberOfCodeBlocks, 282 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 243 ConstructedInterpolants, 0 QuantifiedInterpolants, 1732 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...