/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe016_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:34:02,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:34:02,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:34:02,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:34:02,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:34:02,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:34:02,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:34:02,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:34:02,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:34:02,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:34:02,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:34:02,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:34:02,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:34:02,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:34:02,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:34:02,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:34:02,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:34:02,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:34:02,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:34:02,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:34:02,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:34:02,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:34:02,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:34:02,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:34:02,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 10:34:02,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 10:34:02,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 10:34:02,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 10:34:02,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 10:34:02,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 10:34:02,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 10:34:02,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 10:34:02,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 10:34:02,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:34:02,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:34:02,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:34:02,896 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 10:34:02,935 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:34:02,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:34:02,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:34:02,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:34:02,940 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:34:02,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:34:02,940 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:34:02,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:34:02,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:34:02,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:34:02,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:34:02,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:34:02,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:34:02,942 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:34:02,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:34:02,942 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:34:02,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:34:02,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:34:02,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:34:02,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:34:02,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:34:02,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:34:02,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:34:02,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:34:02,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:34:02,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:34:02,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:34:02,944 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:34:02,945 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:34:02,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:34:02,945 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:34:03,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:34:03,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:34:03,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:34:03,310 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:34:03,311 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:34:03,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_pso.opt.i [2021-03-26 10:34:03,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5287682f2/a6be60b9e0a3436b98a50d89f40f10e9/FLAG081a87f49 [2021-03-26 10:34:03,913 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:34:03,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_pso.opt.i [2021-03-26 10:34:03,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5287682f2/a6be60b9e0a3436b98a50d89f40f10e9/FLAG081a87f49 [2021-03-26 10:34:04,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5287682f2/a6be60b9e0a3436b98a50d89f40f10e9 [2021-03-26 10:34:04,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:34:04,392 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:34:04,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:34:04,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:34:04,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:34:04,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:34:04" (1/1) ... [2021-03-26 10:34:04,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f58841c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:04, skipping insertion in model container [2021-03-26 10:34:04,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:34:04" (1/1) ... [2021-03-26 10:34:04,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:34:04,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:34:04,583 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/safe016_pso.opt.i[949,962] [2021-03-26 10:34:04,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:34:04,793 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:34:04,805 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/safe016_pso.opt.i[949,962] [2021-03-26 10:34:04,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:34:04,927 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:34:04,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:04 WrapperNode [2021-03-26 10:34:04,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:34:04,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:34:04,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:34:04,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:34:04,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:04" (1/1) ... [2021-03-26 10:34:04,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:04" (1/1) ... [2021-03-26 10:34:04,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:34:04,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:34:04,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:34:04,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:34:05,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:04" (1/1) ... [2021-03-26 10:34:05,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:04" (1/1) ... [2021-03-26 10:34:05,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:04" (1/1) ... [2021-03-26 10:34:05,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:04" (1/1) ... [2021-03-26 10:34:05,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:04" (1/1) ... [2021-03-26 10:34:05,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:04" (1/1) ... [2021-03-26 10:34:05,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:04" (1/1) ... [2021-03-26 10:34:05,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:34:05,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:34:05,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:34:05,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:34:05,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:04" (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 [2021-03-26 10:34:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:34:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:34:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:34:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:34:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:34:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:34:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:34:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:34:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 10:34:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 10:34:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-26 10:34:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-26 10:34:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:34:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:34:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:34:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:34:05,094 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 10:34:05,402 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:34:05,402 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-26 10:34:05,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:34:05 BoogieIcfgContainer [2021-03-26 10:34:05,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:34:05,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:34:05,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:34:05,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:34:05,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:34:04" (1/3) ... [2021-03-26 10:34:05,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dee2dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:34:05, skipping insertion in model container [2021-03-26 10:34:05,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:04" (2/3) ... [2021-03-26 10:34:05,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dee2dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:34:05, skipping insertion in model container [2021-03-26 10:34:05,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:34:05" (3/3) ... [2021-03-26 10:34:05,411 INFO L111 eAbstractionObserver]: Analyzing ICFG safe016_pso.opt.i [2021-03-26 10:34:05,416 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:34:05,420 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 10:34:05,421 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:34:05,448 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,448 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,449 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,449 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,449 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,449 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,449 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,449 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,450 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,451 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,451 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,451 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,451 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,451 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,451 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,452 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,452 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,452 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,452 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,452 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,453 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,454 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,454 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,454 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,460 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,460 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,460 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,460 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,461 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,461 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,461 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,462 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,462 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,462 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,463 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,463 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,463 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,464 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,464 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,464 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,464 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,464 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,465 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,465 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,465 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,465 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,465 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,466 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,467 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,468 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,468 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,468 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,476 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,476 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,477 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,477 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,480 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,480 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,480 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,480 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,490 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,491 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:05,497 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:34:05,514 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 10:34:05,533 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:34:05,533 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:34:05,533 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:34:05,533 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:34:05,533 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:34:05,533 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:34:05,533 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:34:05,534 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:34:05,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 85 transitions, 190 flow [2021-03-26 10:34:05,597 INFO L129 PetriNetUnfolder]: 2/81 cut-off events. [2021-03-26 10:34:05,598 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:34:05,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 81 events. 2/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2021-03-26 10:34:05,604 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 85 transitions, 190 flow [2021-03-26 10:34:05,612 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 67 transitions, 146 flow [2021-03-26 10:34:05,613 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:05,630 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 67 transitions, 146 flow [2021-03-26 10:34:05,635 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 67 transitions, 146 flow [2021-03-26 10:34:05,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions, 146 flow [2021-03-26 10:34:05,673 INFO L129 PetriNetUnfolder]: 1/67 cut-off events. [2021-03-26 10:34:05,674 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:34:05,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 67 events. 1/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2021-03-26 10:34:05,678 INFO L142 LiptonReduction]: Number of co-enabled transitions 1250 [2021-03-26 10:34:07,468 INFO L154 LiptonReduction]: Checked pairs total: 1383 [2021-03-26 10:34:07,469 INFO L156 LiptonReduction]: Total number of compositions: 44 [2021-03-26 10:34:07,475 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1863 [2021-03-26 10:34:07,489 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-26 10:34:07,490 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:34:07,490 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:07,491 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:07,492 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:07,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:07,498 INFO L82 PathProgramCache]: Analyzing trace with hash -592752111, now seen corresponding path program 1 times [2021-03-26 10:34:07,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:07,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034098219] [2021-03-26 10:34:07,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:07,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:07,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:07,770 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:34:07,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:34:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:34:07,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034098219] [2021-03-26 10:34:07,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:07,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:34:07,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147731520] [2021-03-26 10:34:07,794 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:34:07,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:07,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:34:07,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:34:07,810 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 129 [2021-03-26 10:34:07,815 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 23 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:07,815 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:07,816 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 129 [2021-03-26 10:34:07,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:07,889 INFO L129 PetriNetUnfolder]: 117/286 cut-off events. [2021-03-26 10:34:07,890 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:34:07,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 506 conditions, 286 events. 117/286 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1486 event pairs, 57 based on Foata normal form. 14/282 useless extension candidates. Maximal degree in co-relation 492. Up to 129 conditions per place. [2021-03-26 10:34:07,893 INFO L132 encePairwiseOnDemand]: 121/129 looper letters, 11 selfloop transitions, 7 changer transitions 0/32 dead transitions. [2021-03-26 10:34:07,893 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 32 transitions, 112 flow [2021-03-26 10:34:07,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:34:07,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:34:07,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 428 transitions. [2021-03-26 10:34:07,905 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8294573643410853 [2021-03-26 10:34:07,906 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 428 transitions. [2021-03-26 10:34:07,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 428 transitions. [2021-03-26 10:34:07,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:07,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 428 transitions. [2021-03-26 10:34:07,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:07,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:07,925 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:07,927 INFO L185 Difference]: Start difference. First operand has 36 places, 23 transitions, 58 flow. Second operand 4 states and 428 transitions. [2021-03-26 10:34:07,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 32 transitions, 112 flow [2021-03-26 10:34:07,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 32 transitions, 108 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 10:34:07,932 INFO L241 Difference]: Finished difference. Result has 38 places, 28 transitions, 106 flow [2021-03-26 10:34:07,936 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=106, PETRI_PLACES=38, PETRI_TRANSITIONS=28} [2021-03-26 10:34:07,936 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 2 predicate places. [2021-03-26 10:34:07,936 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:07,937 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 28 transitions, 106 flow [2021-03-26 10:34:07,937 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 28 transitions, 106 flow [2021-03-26 10:34:07,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 28 transitions, 106 flow [2021-03-26 10:34:07,958 INFO L129 PetriNetUnfolder]: 99/246 cut-off events. [2021-03-26 10:34:07,959 INFO L130 PetriNetUnfolder]: For 51/65 co-relation queries the response was YES. [2021-03-26 10:34:07,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 546 conditions, 246 events. 99/246 cut-off events. For 51/65 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1302 event pairs, 43 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 534. Up to 115 conditions per place. [2021-03-26 10:34:07,962 INFO L142 LiptonReduction]: Number of co-enabled transitions 240 [2021-03-26 10:34:08,264 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-26 10:34:08,475 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-26 10:34:08,564 INFO L154 LiptonReduction]: Checked pairs total: 146 [2021-03-26 10:34:08,564 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:34:08,564 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 628 [2021-03-26 10:34:08,565 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 25 transitions, 100 flow [2021-03-26 10:34:08,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:08,566 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:08,566 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:08,566 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:34:08,566 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:08,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:08,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1195447099, now seen corresponding path program 1 times [2021-03-26 10:34:08,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:08,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622042326] [2021-03-26 10:34:08,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:08,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:08,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:34:08,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:08,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:08,647 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:34:08,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:34:08,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:34:08,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622042326] [2021-03-26 10:34:08,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:08,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:34:08,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291013345] [2021-03-26 10:34:08,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:34:08,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:08,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:34:08,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:34:08,660 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 10:34:08,661 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 25 transitions, 100 flow. Second operand has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:08,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:08,661 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 10:34:08,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:08,724 INFO L129 PetriNetUnfolder]: 89/230 cut-off events. [2021-03-26 10:34:08,724 INFO L130 PetriNetUnfolder]: For 143/370 co-relation queries the response was YES. [2021-03-26 10:34:08,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 669 conditions, 230 events. 89/230 cut-off events. For 143/370 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1120 event pairs, 6 based on Foata normal form. 3/221 useless extension candidates. Maximal degree in co-relation 657. Up to 104 conditions per place. [2021-03-26 10:34:08,727 INFO L132 encePairwiseOnDemand]: 124/132 looper letters, 13 selfloop transitions, 14 changer transitions 0/39 dead transitions. [2021-03-26 10:34:08,727 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 39 transitions, 224 flow [2021-03-26 10:34:08,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:34:08,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:34:08,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2021-03-26 10:34:08,730 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8200757575757576 [2021-03-26 10:34:08,730 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 433 transitions. [2021-03-26 10:34:08,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 433 transitions. [2021-03-26 10:34:08,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:08,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 433 transitions. [2021-03-26 10:34:08,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:08,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:08,734 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:08,734 INFO L185 Difference]: Start difference. First operand has 35 places, 25 transitions, 100 flow. Second operand 4 states and 433 transitions. [2021-03-26 10:34:08,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 39 transitions, 224 flow [2021-03-26 10:34:08,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 39 transitions, 220 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:34:08,737 INFO L241 Difference]: Finished difference. Result has 40 places, 36 transitions, 225 flow [2021-03-26 10:34:08,737 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=225, PETRI_PLACES=40, PETRI_TRANSITIONS=36} [2021-03-26 10:34:08,737 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 4 predicate places. [2021-03-26 10:34:08,737 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:08,738 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 36 transitions, 225 flow [2021-03-26 10:34:08,738 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 36 transitions, 225 flow [2021-03-26 10:34:08,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 36 transitions, 225 flow [2021-03-26 10:34:08,754 INFO L129 PetriNetUnfolder]: 82/212 cut-off events. [2021-03-26 10:34:08,754 INFO L130 PetriNetUnfolder]: For 283/321 co-relation queries the response was YES. [2021-03-26 10:34:08,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 691 conditions, 212 events. 82/212 cut-off events. For 283/321 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1030 event pairs, 24 based on Foata normal form. 1/202 useless extension candidates. Maximal degree in co-relation 677. Up to 96 conditions per place. [2021-03-26 10:34:08,757 INFO L142 LiptonReduction]: Number of co-enabled transitions 286 [2021-03-26 10:34:08,810 INFO L154 LiptonReduction]: Checked pairs total: 137 [2021-03-26 10:34:08,810 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:08,811 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 74 [2021-03-26 10:34:08,812 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 36 transitions, 225 flow [2021-03-26 10:34:08,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:08,812 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:08,812 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:08,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:34:08,813 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:08,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:08,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1648942037, now seen corresponding path program 1 times [2021-03-26 10:34:08,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:08,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940872467] [2021-03-26 10:34:08,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:08,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:08,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:08,882 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:34:08,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:34:08,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:34:08,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940872467] [2021-03-26 10:34:08,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:08,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:34:08,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261764256] [2021-03-26 10:34:08,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:34:08,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:08,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:34:08,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:34:08,896 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 10:34:08,896 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 36 transitions, 225 flow. Second operand has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:08,896 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:08,896 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 10:34:08,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:08,938 INFO L129 PetriNetUnfolder]: 80/210 cut-off events. [2021-03-26 10:34:08,938 INFO L130 PetriNetUnfolder]: For 349/627 co-relation queries the response was YES. [2021-03-26 10:34:08,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 821 conditions, 210 events. 80/210 cut-off events. For 349/627 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1008 event pairs, 6 based on Foata normal form. 8/207 useless extension candidates. Maximal degree in co-relation 805. Up to 91 conditions per place. [2021-03-26 10:34:08,941 INFO L132 encePairwiseOnDemand]: 124/132 looper letters, 16 selfloop transitions, 17 changer transitions 0/45 dead transitions. [2021-03-26 10:34:08,941 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 45 transitions, 366 flow [2021-03-26 10:34:08,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:34:08,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:34:08,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 430 transitions. [2021-03-26 10:34:08,943 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8143939393939394 [2021-03-26 10:34:08,944 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 430 transitions. [2021-03-26 10:34:08,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 430 transitions. [2021-03-26 10:34:08,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:08,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 430 transitions. [2021-03-26 10:34:08,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 107.5) internal successors, (430), 4 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:08,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:08,947 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:08,948 INFO L185 Difference]: Start difference. First operand has 40 places, 36 transitions, 225 flow. Second operand 4 states and 430 transitions. [2021-03-26 10:34:08,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 45 transitions, 366 flow [2021-03-26 10:34:08,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 45 transitions, 366 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 10:34:08,956 INFO L241 Difference]: Finished difference. Result has 46 places, 42 transitions, 361 flow [2021-03-26 10:34:08,956 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=361, PETRI_PLACES=46, PETRI_TRANSITIONS=42} [2021-03-26 10:34:08,956 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 10 predicate places. [2021-03-26 10:34:08,957 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:08,957 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 42 transitions, 361 flow [2021-03-26 10:34:08,959 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 42 transitions, 361 flow [2021-03-26 10:34:08,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 42 transitions, 361 flow [2021-03-26 10:34:08,983 INFO L129 PetriNetUnfolder]: 71/195 cut-off events. [2021-03-26 10:34:08,983 INFO L130 PetriNetUnfolder]: For 539/630 co-relation queries the response was YES. [2021-03-26 10:34:08,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 195 events. 71/195 cut-off events. For 539/630 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 958 event pairs, 16 based on Foata normal form. 2/187 useless extension candidates. Maximal degree in co-relation 767. Up to 82 conditions per place. [2021-03-26 10:34:08,999 INFO L142 LiptonReduction]: Number of co-enabled transitions 328 [2021-03-26 10:34:09,011 INFO L154 LiptonReduction]: Checked pairs total: 271 [2021-03-26 10:34:09,011 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:09,011 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-03-26 10:34:09,014 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 361 flow [2021-03-26 10:34:09,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,015 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:09,015 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:09,015 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:34:09,015 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:09,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:09,016 INFO L82 PathProgramCache]: Analyzing trace with hash 37932222, now seen corresponding path program 1 times [2021-03-26 10:34:09,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:09,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251112737] [2021-03-26 10:34:09,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:09,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:09,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:09,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:09,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:09,098 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:34:09,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:34:09,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:34:09,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251112737] [2021-03-26 10:34:09,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:09,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:34:09,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717587826] [2021-03-26 10:34:09,114 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:34:09,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:09,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:34:09,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:34:09,116 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 10:34:09,117 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 361 flow. Second operand has 5 states, 5 states have (on average 104.0) internal successors, (520), 5 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) [2021-03-26 10:34:09,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:09,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 10:34:09,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:09,191 INFO L129 PetriNetUnfolder]: 80/242 cut-off events. [2021-03-26 10:34:09,192 INFO L130 PetriNetUnfolder]: For 792/1220 co-relation queries the response was YES. [2021-03-26 10:34:09,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1117 conditions, 242 events. 80/242 cut-off events. For 792/1220 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1384 event pairs, 5 based on Foata normal form. 18/250 useless extension candidates. Maximal degree in co-relation 1096. Up to 94 conditions per place. [2021-03-26 10:34:09,196 INFO L132 encePairwiseOnDemand]: 124/132 looper letters, 18 selfloop transitions, 18 changer transitions 30/78 dead transitions. [2021-03-26 10:34:09,196 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 78 transitions, 877 flow [2021-03-26 10:34:09,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:34:09,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:34:09,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 541 transitions. [2021-03-26 10:34:09,201 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8196969696969697 [2021-03-26 10:34:09,202 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 541 transitions. [2021-03-26 10:34:09,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 541 transitions. [2021-03-26 10:34:09,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:09,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 541 transitions. [2021-03-26 10:34:09,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 108.2) internal successors, (541), 5 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 132.0) internal successors, (792), 6 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,207 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 132.0) internal successors, (792), 6 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,207 INFO L185 Difference]: Start difference. First operand has 46 places, 42 transitions, 361 flow. Second operand 5 states and 541 transitions. [2021-03-26 10:34:09,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 78 transitions, 877 flow [2021-03-26 10:34:09,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 78 transitions, 872 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:34:09,216 INFO L241 Difference]: Finished difference. Result has 51 places, 43 transitions, 419 flow [2021-03-26 10:34:09,217 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=357, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=419, PETRI_PLACES=51, PETRI_TRANSITIONS=43} [2021-03-26 10:34:09,217 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 15 predicate places. [2021-03-26 10:34:09,217 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:09,217 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 43 transitions, 419 flow [2021-03-26 10:34:09,218 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 43 transitions, 419 flow [2021-03-26 10:34:09,219 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 419 flow [2021-03-26 10:34:09,233 INFO L129 PetriNetUnfolder]: 36/123 cut-off events. [2021-03-26 10:34:09,234 INFO L130 PetriNetUnfolder]: For 513/562 co-relation queries the response was YES. [2021-03-26 10:34:09,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 580 conditions, 123 events. 36/123 cut-off events. For 513/562 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 560 event pairs, 5 based on Foata normal form. 2/119 useless extension candidates. Maximal degree in co-relation 558. Up to 51 conditions per place. [2021-03-26 10:34:09,236 INFO L142 LiptonReduction]: Number of co-enabled transitions 330 [2021-03-26 10:34:09,242 INFO L154 LiptonReduction]: Checked pairs total: 361 [2021-03-26 10:34:09,242 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:09,242 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-03-26 10:34:09,248 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 43 transitions, 419 flow [2021-03-26 10:34:09,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 104.0) internal successors, (520), 5 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) [2021-03-26 10:34:09,248 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:09,249 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:09,249 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:34:09,250 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:09,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:09,251 INFO L82 PathProgramCache]: Analyzing trace with hash -16236178, now seen corresponding path program 1 times [2021-03-26 10:34:09,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:09,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597746382] [2021-03-26 10:34:09,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:09,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:09,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:34:09,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:09,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:09,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:09,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:09,329 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:34:09,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:34:09,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:34:09,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597746382] [2021-03-26 10:34:09,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:09,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:34:09,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958195541] [2021-03-26 10:34:09,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:34:09,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:09,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:34:09,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:34:09,345 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 10:34:09,346 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 43 transitions, 419 flow. Second operand has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:09,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 10:34:09,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:09,403 INFO L129 PetriNetUnfolder]: 31/153 cut-off events. [2021-03-26 10:34:09,404 INFO L130 PetriNetUnfolder]: For 727/964 co-relation queries the response was YES. [2021-03-26 10:34:09,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 762 conditions, 153 events. 31/153 cut-off events. For 727/964 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 867 event pairs, 3 based on Foata normal form. 20/167 useless extension candidates. Maximal degree in co-relation 738. Up to 55 conditions per place. [2021-03-26 10:34:09,405 INFO L132 encePairwiseOnDemand]: 124/132 looper letters, 9 selfloop transitions, 18 changer transitions 20/59 dead transitions. [2021-03-26 10:34:09,405 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 59 transitions, 706 flow [2021-03-26 10:34:09,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:34:09,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:34:09,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 642 transitions. [2021-03-26 10:34:09,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8106060606060606 [2021-03-26 10:34:09,408 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 642 transitions. [2021-03-26 10:34:09,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 642 transitions. [2021-03-26 10:34:09,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:09,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 642 transitions. [2021-03-26 10:34:09,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 107.0) internal successors, (642), 6 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,413 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,413 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,413 INFO L185 Difference]: Start difference. First operand has 51 places, 43 transitions, 419 flow. Second operand 6 states and 642 transitions. [2021-03-26 10:34:09,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 59 transitions, 706 flow [2021-03-26 10:34:09,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 59 transitions, 649 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-03-26 10:34:09,419 INFO L241 Difference]: Finished difference. Result has 57 places, 39 transitions, 388 flow [2021-03-26 10:34:09,419 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=388, PETRI_PLACES=57, PETRI_TRANSITIONS=39} [2021-03-26 10:34:09,420 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 21 predicate places. [2021-03-26 10:34:09,420 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:09,420 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 39 transitions, 388 flow [2021-03-26 10:34:09,420 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 39 transitions, 388 flow [2021-03-26 10:34:09,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 39 transitions, 388 flow [2021-03-26 10:34:09,431 INFO L129 PetriNetUnfolder]: 21/101 cut-off events. [2021-03-26 10:34:09,431 INFO L130 PetriNetUnfolder]: For 682/755 co-relation queries the response was YES. [2021-03-26 10:34:09,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 101 events. 21/101 cut-off events. For 682/755 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 449 event pairs, 1 based on Foata normal form. 2/99 useless extension candidates. Maximal degree in co-relation 467. Up to 35 conditions per place. [2021-03-26 10:34:09,432 INFO L142 LiptonReduction]: Number of co-enabled transitions 276 [2021-03-26 10:34:09,480 INFO L154 LiptonReduction]: Checked pairs total: 639 [2021-03-26 10:34:09,481 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 10:34:09,481 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 61 [2021-03-26 10:34:09,483 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 39 transitions, 398 flow [2021-03-26 10:34:09,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,484 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:09,484 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:09,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:34:09,484 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:09,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:09,485 INFO L82 PathProgramCache]: Analyzing trace with hash -946872542, now seen corresponding path program 1 times [2021-03-26 10:34:09,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:09,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314827546] [2021-03-26 10:34:09,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:09,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:09,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:09,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:09,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:09,542 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:34:09,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:34:09,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:34:09,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314827546] [2021-03-26 10:34:09,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:09,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:34:09,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172150720] [2021-03-26 10:34:09,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:34:09,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:09,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:34:09,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:34:09,554 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 134 [2021-03-26 10:34:09,555 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 39 transitions, 398 flow. Second operand has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:09,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 134 [2021-03-26 10:34:09,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:09,604 INFO L129 PetriNetUnfolder]: 20/127 cut-off events. [2021-03-26 10:34:09,605 INFO L130 PetriNetUnfolder]: For 1090/1536 co-relation queries the response was YES. [2021-03-26 10:34:09,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 653 conditions, 127 events. 20/127 cut-off events. For 1090/1536 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 664 event pairs, 1 based on Foata normal form. 15/137 useless extension candidates. Maximal degree in co-relation 625. Up to 40 conditions per place. [2021-03-26 10:34:09,606 INFO L132 encePairwiseOnDemand]: 125/134 looper letters, 12 selfloop transitions, 11 changer transitions 16/51 dead transitions. [2021-03-26 10:34:09,606 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 51 transitions, 624 flow [2021-03-26 10:34:09,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:34:09,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:34:09,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 540 transitions. [2021-03-26 10:34:09,608 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8059701492537313 [2021-03-26 10:34:09,608 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 540 transitions. [2021-03-26 10:34:09,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 540 transitions. [2021-03-26 10:34:09,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:09,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 540 transitions. [2021-03-26 10:34:09,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 108.0) internal successors, (540), 5 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,613 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,613 INFO L185 Difference]: Start difference. First operand has 55 places, 39 transitions, 398 flow. Second operand 5 states and 540 transitions. [2021-03-26 10:34:09,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 51 transitions, 624 flow [2021-03-26 10:34:09,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 51 transitions, 596 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-03-26 10:34:09,618 INFO L241 Difference]: Finished difference. Result has 57 places, 32 transitions, 313 flow [2021-03-26 10:34:09,619 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=313, PETRI_PLACES=57, PETRI_TRANSITIONS=32} [2021-03-26 10:34:09,619 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 21 predicate places. [2021-03-26 10:34:09,619 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:09,619 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 32 transitions, 313 flow [2021-03-26 10:34:09,619 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 32 transitions, 313 flow [2021-03-26 10:34:09,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 32 transitions, 313 flow [2021-03-26 10:34:09,629 INFO L129 PetriNetUnfolder]: 10/72 cut-off events. [2021-03-26 10:34:09,629 INFO L130 PetriNetUnfolder]: For 507/549 co-relation queries the response was YES. [2021-03-26 10:34:09,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 72 events. 10/72 cut-off events. For 507/549 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 289 event pairs, 2 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 323. Up to 21 conditions per place. [2021-03-26 10:34:09,630 INFO L142 LiptonReduction]: Number of co-enabled transitions 178 [2021-03-26 10:34:09,638 INFO L154 LiptonReduction]: Checked pairs total: 178 [2021-03-26 10:34:09,639 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:09,639 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-03-26 10:34:09,643 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 32 transitions, 313 flow [2021-03-26 10:34:09,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,644 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:09,644 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:09,644 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:34:09,644 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:09,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:09,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1438121769, now seen corresponding path program 1 times [2021-03-26 10:34:09,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:09,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683523814] [2021-03-26 10:34:09,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:09,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:09,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:34:09,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:09,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:09,692 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:34:09,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:34:09,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:34:09,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683523814] [2021-03-26 10:34:09,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:09,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:34:09,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789529920] [2021-03-26 10:34:09,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:34:09,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:09,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:34:09,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:34:09,704 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 134 [2021-03-26 10:34:09,705 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 32 transitions, 313 flow. Second operand has 4 states, 4 states have (on average 104.25) internal successors, (417), 4 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,705 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:09,705 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 134 [2021-03-26 10:34:09,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:09,734 INFO L129 PetriNetUnfolder]: 8/70 cut-off events. [2021-03-26 10:34:09,734 INFO L130 PetriNetUnfolder]: For 578/668 co-relation queries the response was YES. [2021-03-26 10:34:09,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 382 conditions, 70 events. 8/70 cut-off events. For 578/668 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 254 event pairs, 2 based on Foata normal form. 12/81 useless extension candidates. Maximal degree in co-relation 354. Up to 22 conditions per place. [2021-03-26 10:34:09,735 INFO L132 encePairwiseOnDemand]: 127/134 looper letters, 7 selfloop transitions, 11 changer transitions 3/33 dead transitions. [2021-03-26 10:34:09,735 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 33 transitions, 373 flow [2021-03-26 10:34:09,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:34:09,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:34:09,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 428 transitions. [2021-03-26 10:34:09,737 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7985074626865671 [2021-03-26 10:34:09,737 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 428 transitions. [2021-03-26 10:34:09,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 428 transitions. [2021-03-26 10:34:09,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:09,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 428 transitions. [2021-03-26 10:34:09,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,740 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,740 INFO L185 Difference]: Start difference. First operand has 57 places, 32 transitions, 313 flow. Second operand 4 states and 428 transitions. [2021-03-26 10:34:09,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 33 transitions, 373 flow [2021-03-26 10:34:09,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 33 transitions, 312 flow, removed 5 selfloop flow, removed 8 redundant places. [2021-03-26 10:34:09,744 INFO L241 Difference]: Finished difference. Result has 53 places, 30 transitions, 260 flow [2021-03-26 10:34:09,744 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=260, PETRI_PLACES=53, PETRI_TRANSITIONS=30} [2021-03-26 10:34:09,744 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 17 predicate places. [2021-03-26 10:34:09,744 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:09,744 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 30 transitions, 260 flow [2021-03-26 10:34:09,745 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 30 transitions, 260 flow [2021-03-26 10:34:09,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 30 transitions, 260 flow [2021-03-26 10:34:09,750 INFO L129 PetriNetUnfolder]: 6/60 cut-off events. [2021-03-26 10:34:09,751 INFO L130 PetriNetUnfolder]: For 321/352 co-relation queries the response was YES. [2021-03-26 10:34:09,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 60 events. 6/60 cut-off events. For 321/352 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 204 event pairs, 1 based on Foata normal form. 1/61 useless extension candidates. Maximal degree in co-relation 236. Up to 17 conditions per place. [2021-03-26 10:34:09,752 INFO L142 LiptonReduction]: Number of co-enabled transitions 154 [2021-03-26 10:34:09,755 INFO L154 LiptonReduction]: Checked pairs total: 155 [2021-03-26 10:34:09,755 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:09,755 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-26 10:34:09,755 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 30 transitions, 260 flow [2021-03-26 10:34:09,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 104.25) internal successors, (417), 4 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,756 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:09,756 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:09,756 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:34:09,756 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:09,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:09,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1632080205, now seen corresponding path program 1 times [2021-03-26 10:34:09,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:09,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061752489] [2021-03-26 10:34:09,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:09,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:09,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:34:09,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:09,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:09,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:09,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:09,806 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:34:09,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:34:09,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:34:09,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061752489] [2021-03-26 10:34:09,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:09,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:34:09,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233307143] [2021-03-26 10:34:09,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:34:09,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:09,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:34:09,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:34:09,818 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 134 [2021-03-26 10:34:09,818 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 30 transitions, 260 flow. Second operand has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,818 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:09,818 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 134 [2021-03-26 10:34:09,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:09,846 INFO L129 PetriNetUnfolder]: 6/64 cut-off events. [2021-03-26 10:34:09,847 INFO L130 PetriNetUnfolder]: For 426/504 co-relation queries the response was YES. [2021-03-26 10:34:09,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 314 conditions, 64 events. 6/64 cut-off events. For 426/504 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 223 event pairs, 2 based on Foata normal form. 13/76 useless extension candidates. Maximal degree in co-relation 290. Up to 20 conditions per place. [2021-03-26 10:34:09,847 INFO L132 encePairwiseOnDemand]: 126/134 looper letters, 6 selfloop transitions, 10 changer transitions 3/31 dead transitions. [2021-03-26 10:34:09,847 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 31 transitions, 314 flow [2021-03-26 10:34:09,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:34:09,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:34:09,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 636 transitions. [2021-03-26 10:34:09,850 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7910447761194029 [2021-03-26 10:34:09,850 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 636 transitions. [2021-03-26 10:34:09,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 636 transitions. [2021-03-26 10:34:09,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:09,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 636 transitions. [2021-03-26 10:34:09,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 106.0) internal successors, (636), 6 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,854 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,854 INFO L185 Difference]: Start difference. First operand has 53 places, 30 transitions, 260 flow. Second operand 6 states and 636 transitions. [2021-03-26 10:34:09,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 31 transitions, 314 flow [2021-03-26 10:34:09,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 31 transitions, 279 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-26 10:34:09,860 INFO L241 Difference]: Finished difference. Result has 55 places, 28 transitions, 231 flow [2021-03-26 10:34:09,860 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=231, PETRI_PLACES=55, PETRI_TRANSITIONS=28} [2021-03-26 10:34:09,860 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 19 predicate places. [2021-03-26 10:34:09,860 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:09,860 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 28 transitions, 231 flow [2021-03-26 10:34:09,861 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 28 transitions, 231 flow [2021-03-26 10:34:09,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 28 transitions, 231 flow [2021-03-26 10:34:09,867 INFO L129 PetriNetUnfolder]: 5/57 cut-off events. [2021-03-26 10:34:09,867 INFO L130 PetriNetUnfolder]: For 303/319 co-relation queries the response was YES. [2021-03-26 10:34:09,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 57 events. 5/57 cut-off events. For 303/319 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 170 event pairs, 1 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 211. Up to 16 conditions per place. [2021-03-26 10:34:09,868 INFO L142 LiptonReduction]: Number of co-enabled transitions 138 [2021-03-26 10:34:09,897 INFO L154 LiptonReduction]: Checked pairs total: 286 [2021-03-26 10:34:09,897 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:34:09,897 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-26 10:34:09,898 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 28 transitions, 233 flow [2021-03-26 10:34:09,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:09,898 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:09,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 10:34:09,899 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:09,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:09,899 INFO L82 PathProgramCache]: Analyzing trace with hash -697804178, now seen corresponding path program 2 times [2021-03-26 10:34:09,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:09,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466770086] [2021-03-26 10:34:09,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:09,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:09,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:09,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:09,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:34:09,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:34:09,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466770086] [2021-03-26 10:34:09,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:09,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:34:09,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278381788] [2021-03-26 10:34:09,953 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:34:09,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:09,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:34:09,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:34:09,954 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 135 [2021-03-26 10:34:09,954 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 28 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:09,954 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:09,954 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 135 [2021-03-26 10:34:09,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:09,993 INFO L129 PetriNetUnfolder]: 182/360 cut-off events. [2021-03-26 10:34:09,993 INFO L130 PetriNetUnfolder]: For 686/706 co-relation queries the response was YES. [2021-03-26 10:34:09,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 958 conditions, 360 events. 182/360 cut-off events. For 686/706 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 1892 event pairs, 92 based on Foata normal form. 1/313 useless extension candidates. Maximal degree in co-relation 934. Up to 298 conditions per place. [2021-03-26 10:34:09,996 INFO L132 encePairwiseOnDemand]: 129/135 looper letters, 5 selfloop transitions, 5 changer transitions 0/32 dead transitions. [2021-03-26 10:34:09,996 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 32 transitions, 261 flow [2021-03-26 10:34:09,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:34:09,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:34:09,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 344 transitions. [2021-03-26 10:34:09,998 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8493827160493828 [2021-03-26 10:34:09,998 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 344 transitions. [2021-03-26 10:34:09,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 344 transitions. [2021-03-26 10:34:09,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:09,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 344 transitions. [2021-03-26 10:34:09,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,000 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,000 INFO L185 Difference]: Start difference. First operand has 53 places, 28 transitions, 233 flow. Second operand 3 states and 344 transitions. [2021-03-26 10:34:10,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 32 transitions, 261 flow [2021-03-26 10:34:10,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 32 transitions, 235 flow, removed 1 selfloop flow, removed 5 redundant places. [2021-03-26 10:34:10,004 INFO L241 Difference]: Finished difference. Result has 51 places, 32 transitions, 240 flow [2021-03-26 10:34:10,004 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=51, PETRI_TRANSITIONS=32} [2021-03-26 10:34:10,004 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 15 predicate places. [2021-03-26 10:34:10,004 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:10,004 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 32 transitions, 240 flow [2021-03-26 10:34:10,005 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 32 transitions, 240 flow [2021-03-26 10:34:10,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 32 transitions, 240 flow [2021-03-26 10:34:10,034 INFO L129 PetriNetUnfolder]: 181/353 cut-off events. [2021-03-26 10:34:10,034 INFO L130 PetriNetUnfolder]: For 409/425 co-relation queries the response was YES. [2021-03-26 10:34:10,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 876 conditions, 353 events. 181/353 cut-off events. For 409/425 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 1875 event pairs, 92 based on Foata normal form. 0/310 useless extension candidates. Maximal degree in co-relation 854. Up to 298 conditions per place. [2021-03-26 10:34:10,037 INFO L142 LiptonReduction]: Number of co-enabled transitions 166 [2021-03-26 10:34:10,040 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:34:10,040 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:10,040 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-03-26 10:34:10,041 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 32 transitions, 240 flow [2021-03-26 10:34:10,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,041 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:10,041 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:10,041 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 10:34:10,042 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:10,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:10,042 INFO L82 PathProgramCache]: Analyzing trace with hash 536570181, now seen corresponding path program 1 times [2021-03-26 10:34:10,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:10,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977975061] [2021-03-26 10:34:10,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:10,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:10,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:10,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:10,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:10,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:10,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:34:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:34:10,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977975061] [2021-03-26 10:34:10,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:10,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:34:10,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508817509] [2021-03-26 10:34:10,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:34:10,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:10,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:34:10,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:34:10,092 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 135 [2021-03-26 10:34:10,093 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 32 transitions, 240 flow. Second operand has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,093 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:10,093 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 135 [2021-03-26 10:34:10,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:10,133 INFO L129 PetriNetUnfolder]: 118/258 cut-off events. [2021-03-26 10:34:10,134 INFO L130 PetriNetUnfolder]: For 409/622 co-relation queries the response was YES. [2021-03-26 10:34:10,134 INFO L84 FinitePrefix]: Finished finitePrefix Result has 880 conditions, 258 events. 118/258 cut-off events. For 409/622 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1252 event pairs, 26 based on Foata normal form. 39/277 useless extension candidates. Maximal degree in co-relation 856. Up to 210 conditions per place. [2021-03-26 10:34:10,135 INFO L132 encePairwiseOnDemand]: 129/135 looper letters, 5 selfloop transitions, 9 changer transitions 0/36 dead transitions. [2021-03-26 10:34:10,135 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 36 transitions, 284 flow [2021-03-26 10:34:10,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:34:10,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:34:10,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 459 transitions. [2021-03-26 10:34:10,137 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.85 [2021-03-26 10:34:10,137 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 459 transitions. [2021-03-26 10:34:10,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 459 transitions. [2021-03-26 10:34:10,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:10,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 459 transitions. [2021-03-26 10:34:10,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 114.75) internal successors, (459), 4 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,141 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,141 INFO L185 Difference]: Start difference. First operand has 51 places, 32 transitions, 240 flow. Second operand 4 states and 459 transitions. [2021-03-26 10:34:10,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 36 transitions, 284 flow [2021-03-26 10:34:10,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 36 transitions, 279 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:34:10,144 INFO L241 Difference]: Finished difference. Result has 54 places, 36 transitions, 287 flow [2021-03-26 10:34:10,145 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=287, PETRI_PLACES=54, PETRI_TRANSITIONS=36} [2021-03-26 10:34:10,145 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 18 predicate places. [2021-03-26 10:34:10,145 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:10,145 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 36 transitions, 287 flow [2021-03-26 10:34:10,146 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 36 transitions, 287 flow [2021-03-26 10:34:10,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 36 transitions, 287 flow [2021-03-26 10:34:10,184 INFO L129 PetriNetUnfolder]: 118/260 cut-off events. [2021-03-26 10:34:10,185 INFO L130 PetriNetUnfolder]: For 453/587 co-relation queries the response was YES. [2021-03-26 10:34:10,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 918 conditions, 260 events. 118/260 cut-off events. For 453/587 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1314 event pairs, 26 based on Foata normal form. 3/251 useless extension candidates. Maximal degree in co-relation 894. Up to 210 conditions per place. [2021-03-26 10:34:10,187 INFO L142 LiptonReduction]: Number of co-enabled transitions 194 [2021-03-26 10:34:10,190 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:34:10,190 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:10,190 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-03-26 10:34:10,191 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 36 transitions, 287 flow [2021-03-26 10:34:10,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,191 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:10,192 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:10,192 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 10:34:10,192 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:10,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:10,193 INFO L82 PathProgramCache]: Analyzing trace with hash -546512506, now seen corresponding path program 1 times [2021-03-26 10:34:10,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:10,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985041901] [2021-03-26 10:34:10,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:10,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:10,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:10,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:10,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:10,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:10,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:10,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:10,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:34:10,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:34:10,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985041901] [2021-03-26 10:34:10,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:10,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:34:10,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261542359] [2021-03-26 10:34:10,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:34:10,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:10,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:34:10,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:34:10,238 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 135 [2021-03-26 10:34:10,239 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 36 transitions, 287 flow. Second operand has 5 states, 5 states have (on average 111.8) internal successors, (559), 5 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,239 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:10,239 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 135 [2021-03-26 10:34:10,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:10,276 INFO L129 PetriNetUnfolder]: 71/167 cut-off events. [2021-03-26 10:34:10,276 INFO L130 PetriNetUnfolder]: For 364/788 co-relation queries the response was YES. [2021-03-26 10:34:10,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 744 conditions, 167 events. 71/167 cut-off events. For 364/788 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 693 event pairs, 4 based on Foata normal form. 74/226 useless extension candidates. Maximal degree in co-relation 718. Up to 134 conditions per place. [2021-03-26 10:34:10,277 INFO L132 encePairwiseOnDemand]: 129/135 looper letters, 3 selfloop transitions, 13 changer transitions 6/40 dead transitions. [2021-03-26 10:34:10,277 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 40 transitions, 347 flow [2021-03-26 10:34:10,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:34:10,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:34:10,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 574 transitions. [2021-03-26 10:34:10,280 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8503703703703703 [2021-03-26 10:34:10,280 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 574 transitions. [2021-03-26 10:34:10,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 574 transitions. [2021-03-26 10:34:10,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:10,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 574 transitions. [2021-03-26 10:34:10,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 135.0) internal successors, (810), 6 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,284 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 135.0) internal successors, (810), 6 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,284 INFO L185 Difference]: Start difference. First operand has 54 places, 36 transitions, 287 flow. Second operand 5 states and 574 transitions. [2021-03-26 10:34:10,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 40 transitions, 347 flow [2021-03-26 10:34:10,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 40 transitions, 329 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-26 10:34:10,286 INFO L241 Difference]: Finished difference. Result has 57 places, 34 transitions, 287 flow [2021-03-26 10:34:10,287 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=287, PETRI_PLACES=57, PETRI_TRANSITIONS=34} [2021-03-26 10:34:10,287 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 21 predicate places. [2021-03-26 10:34:10,287 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:10,287 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 34 transitions, 287 flow [2021-03-26 10:34:10,287 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 34 transitions, 287 flow [2021-03-26 10:34:10,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 34 transitions, 287 flow [2021-03-26 10:34:10,295 INFO L129 PetriNetUnfolder]: 34/100 cut-off events. [2021-03-26 10:34:10,295 INFO L130 PetriNetUnfolder]: For 263/333 co-relation queries the response was YES. [2021-03-26 10:34:10,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 100 events. 34/100 cut-off events. For 263/333 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 368 event pairs, 2 based on Foata normal form. 5/98 useless extension candidates. Maximal degree in co-relation 404. Up to 69 conditions per place. [2021-03-26 10:34:10,296 INFO L142 LiptonReduction]: Number of co-enabled transitions 136 [2021-03-26 10:34:10,367 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 10:34:10,368 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:34:10,368 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 81 [2021-03-26 10:34:10,371 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 33 transitions, 285 flow [2021-03-26 10:34:10,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 111.8) internal successors, (559), 5 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,371 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:10,371 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:10,371 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 10:34:10,372 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:10,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:10,373 INFO L82 PathProgramCache]: Analyzing trace with hash -509475224, now seen corresponding path program 1 times [2021-03-26 10:34:10,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:10,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259487911] [2021-03-26 10:34:10,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:10,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:10,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:10,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:10,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:10,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:10,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:10,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:10,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:10,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:10,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:34:10,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:34:10,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259487911] [2021-03-26 10:34:10,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:10,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:34:10,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100321393] [2021-03-26 10:34:10,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:34:10,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:10,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:34:10,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:34:10,428 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 136 [2021-03-26 10:34:10,429 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 33 transitions, 285 flow. Second operand has 6 states, 6 states have (on average 111.83333333333333) internal successors, (671), 6 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,429 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:10,429 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 136 [2021-03-26 10:34:10,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:10,465 INFO L129 PetriNetUnfolder]: 30/80 cut-off events. [2021-03-26 10:34:10,465 INFO L130 PetriNetUnfolder]: For 395/656 co-relation queries the response was YES. [2021-03-26 10:34:10,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 407 conditions, 80 events. 30/80 cut-off events. For 395/656 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 250 event pairs, 0 based on Foata normal form. 41/111 useless extension candidates. Maximal degree in co-relation 380. Up to 53 conditions per place. [2021-03-26 10:34:10,466 INFO L132 encePairwiseOnDemand]: 130/136 looper letters, 0 selfloop transitions, 0 changer transitions 32/32 dead transitions. [2021-03-26 10:34:10,466 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 32 transitions, 297 flow [2021-03-26 10:34:10,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:34:10,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:34:10,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 682 transitions. [2021-03-26 10:34:10,468 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8357843137254902 [2021-03-26 10:34:10,468 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 682 transitions. [2021-03-26 10:34:10,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 682 transitions. [2021-03-26 10:34:10,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:10,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 682 transitions. [2021-03-26 10:34:10,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 113.66666666666667) internal successors, (682), 6 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 136.0) internal successors, (952), 7 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,472 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 136.0) internal successors, (952), 7 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,472 INFO L185 Difference]: Start difference. First operand has 56 places, 33 transitions, 285 flow. Second operand 6 states and 682 transitions. [2021-03-26 10:34:10,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 32 transitions, 297 flow [2021-03-26 10:34:10,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 32 transitions, 245 flow, removed 8 selfloop flow, removed 8 redundant places. [2021-03-26 10:34:10,474 INFO L241 Difference]: Finished difference. Result has 52 places, 0 transitions, 0 flow [2021-03-26 10:34:10,474 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=52, PETRI_TRANSITIONS=0} [2021-03-26 10:34:10,474 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 16 predicate places. [2021-03-26 10:34:10,474 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:10,474 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 0 transitions, 0 flow [2021-03-26 10:34:10,474 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 0 transitions, 0 flow [2021-03-26 10:34:10,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 10:34:10,475 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 10:34:10,475 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:34:10,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-26 10:34:10,475 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 10:34:10,475 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:34:10,475 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:10,475 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-26 10:34:10,477 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 10:34:10,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 111.83333333333333) internal successors, (671), 6 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:10,477 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 10:34:10,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:34:10 BasicIcfg [2021-03-26 10:34:10,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:34:10,481 INFO L168 Benchmark]: Toolchain (without parser) took 6089.32 ms. Allocated memory was 255.9 MB in the beginning and 411.0 MB in the end (delta: 155.2 MB). Free memory was 234.2 MB in the beginning and 315.3 MB in the end (delta: -81.1 MB). Peak memory consumption was 73.0 MB. Max. memory is 16.0 GB. [2021-03-26 10:34:10,481 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:34:10,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.56 ms. Allocated memory was 255.9 MB in the beginning and 341.8 MB in the end (delta: 86.0 MB). Free memory was 233.8 MB in the beginning and 303.7 MB in the end (delta: -69.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-26 10:34:10,482 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.80 ms. Allocated memory is still 341.8 MB. Free memory was 303.7 MB in the beginning and 301.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:34:10,482 INFO L168 Benchmark]: Boogie Preprocessor took 36.99 ms. Allocated memory is still 341.8 MB. Free memory was 301.6 MB in the beginning and 300.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:34:10,482 INFO L168 Benchmark]: RCFGBuilder took 372.04 ms. Allocated memory is still 341.8 MB. Free memory was 300.2 MB in the beginning and 276.5 MB in the end (delta: 23.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-03-26 10:34:10,484 INFO L168 Benchmark]: TraceAbstraction took 5075.05 ms. Allocated memory was 341.8 MB in the beginning and 411.0 MB in the end (delta: 69.2 MB). Free memory was 276.0 MB in the beginning and 315.3 MB in the end (delta: -39.4 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.0 GB. [2021-03-26 10:34:10,489 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 537.56 ms. Allocated memory was 255.9 MB in the beginning and 341.8 MB in the end (delta: 86.0 MB). Free memory was 233.8 MB in the beginning and 303.7 MB in the end (delta: -69.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 62.80 ms. Allocated memory is still 341.8 MB. Free memory was 303.7 MB in the beginning and 301.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 36.99 ms. Allocated memory is still 341.8 MB. Free memory was 301.6 MB in the beginning and 300.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 372.04 ms. Allocated memory is still 341.8 MB. Free memory was 300.2 MB in the beginning and 276.5 MB in the end (delta: 23.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5075.05 ms. Allocated memory was 341.8 MB in the beginning and 411.0 MB in the end (delta: 69.2 MB). Free memory was 276.0 MB in the beginning and 315.3 MB in the end (delta: -39.4 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1834.6ms, 79 PlacesBefore, 36 PlacesAfterwards, 67 TransitionsBefore, 23 TransitionsAfterwards, 1250 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 44 TotalNumberOfCompositions, 1383 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 874, positive: 838, positive conditional: 838, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 874, positive: 838, positive conditional: 0, positive unconditional: 838, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 874, positive: 838, positive conditional: 0, positive unconditional: 838, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 746, positive: 723, positive conditional: 0, positive unconditional: 723, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 746, positive: 714, positive conditional: 0, positive unconditional: 714, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 874, positive: 115, positive conditional: 0, positive unconditional: 115, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 746, unknown conditional: 0, unknown unconditional: 746] , Statistics on independence cache: Total cache size (in pairs): 746, Positive cache size: 723, Positive conditional cache size: 0, Positive unconditional cache size: 723, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 627.1ms, 38 PlacesBefore, 35 PlacesAfterwards, 28 TransitionsBefore, 25 TransitionsAfterwards, 240 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 146 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84, positive: 77, positive conditional: 77, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 84, positive: 77, positive conditional: 7, positive unconditional: 70, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 84, positive: 77, positive conditional: 7, positive unconditional: 70, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, positive: 19, positive conditional: 1, positive unconditional: 18, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 84, positive: 58, positive conditional: 6, positive unconditional: 52, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 22, unknown conditional: 1, unknown unconditional: 21] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 742, Positive conditional cache size: 1, Positive unconditional cache size: 741, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Eliminated conditions: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.6ms, 40 PlacesBefore, 40 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 286 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 137 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 64, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 64, positive: 57, positive conditional: 2, positive unconditional: 55, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 64, positive: 57, positive conditional: 2, positive unconditional: 55, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 64, positive: 34, positive conditional: 2, positive unconditional: 32, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 26, unknown conditional: 0, unknown unconditional: 26] , Statistics on independence cache: Total cache size (in pairs): 794, Positive cache size: 765, Positive conditional cache size: 1, Positive unconditional cache size: 764, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 52.2ms, 46 PlacesBefore, 46 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 328 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 271 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 150, positive: 138, positive conditional: 138, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 150, positive: 138, positive conditional: 0, positive unconditional: 138, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 150, positive: 138, positive conditional: 0, positive unconditional: 138, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 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: 150, positive: 138, positive conditional: 0, positive unconditional: 138, 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): 794, Positive cache size: 765, Positive conditional cache size: 1, Positive unconditional cache size: 764, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 44 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.3ms, 51 PlacesBefore, 51 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 330 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 361 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 190, positive: 174, positive conditional: 174, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 190, positive: 174, positive conditional: 21, positive unconditional: 153, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 190, positive: 174, positive conditional: 21, positive unconditional: 153, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 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: 190, positive: 172, positive conditional: 21, positive unconditional: 151, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 796, Positive cache size: 767, Positive conditional cache size: 1, Positive unconditional cache size: 766, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 47 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 60.5ms, 57 PlacesBefore, 55 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 276 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 639 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 258, positive: 224, positive conditional: 224, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 258, positive: 224, positive conditional: 28, positive unconditional: 196, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258, positive: 224, positive conditional: 28, positive unconditional: 196, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 258, positive: 220, positive conditional: 27, positive unconditional: 193, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 4, unknown conditional: 1, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 800, Positive cache size: 771, Positive conditional cache size: 2, Positive unconditional cache size: 769, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 80 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.2ms, 57 PlacesBefore, 57 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 178 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 178 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 79, positive: 68, positive conditional: 68, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 79, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 79, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 804, Positive cache size: 775, Positive conditional cache size: 2, Positive unconditional cache size: 773, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 36 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.3ms, 53 PlacesBefore, 53 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 154 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 155 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 60, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 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: 60, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 804, Positive cache size: 775, Positive conditional cache size: 2, Positive unconditional cache size: 773, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.5ms, 55 PlacesBefore, 53 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 138 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 286 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 191, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 191, positive: 171, positive conditional: 0, positive unconditional: 171, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 191, positive: 171, positive conditional: 0, positive unconditional: 171, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 191, positive: 167, positive conditional: 0, positive unconditional: 167, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 808, Positive cache size: 779, Positive conditional cache size: 2, Positive unconditional cache size: 777, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 75 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.4ms, 51 PlacesBefore, 51 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 166 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 808, Positive cache size: 779, Positive conditional cache size: 2, Positive unconditional cache size: 777, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.6ms, 54 PlacesBefore, 54 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 194 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 808, Positive cache size: 779, Positive conditional cache size: 2, Positive unconditional cache size: 777, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 80.6ms, 57 PlacesBefore, 56 PlacesAfterwards, 34 TransitionsBefore, 33 TransitionsAfterwards, 136 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 812, Positive cache size: 783, Positive conditional cache size: 2, Positive unconditional cache size: 781, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.6ms, 52 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 812, Positive cache size: 783, Positive conditional cache size: 2, Positive unconditional cache size: 781, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 7.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 4948.9ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 803.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1948.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 92 SDtfs, 57 SDslu, 69 SDs, 0 SdLazy, 179 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 155.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 133.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=419occurred in iteration=4, InterpolantAutomatonStates: 56, 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: 33.5ms SsaConstructionTime, 241.8ms SatisfiabilityAnalysisTime, 618.6ms InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 759 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...