/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_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:34:19,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:34:19,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:34:19,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:34:19,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:34:19,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:34:19,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:34:19,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:34:19,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:34:19,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:34:19,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:34:19,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:34:19,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:34:19,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:34:19,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:34:19,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:34:19,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:34:19,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:34:19,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:34:19,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:34:19,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:34:19,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:34:19,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:34:19,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:34:20,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-26 10:34:20,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-26 10:34:20,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-26 10:34:20,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-26 10:34:20,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-26 10:34:20,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-26 10:34:20,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 10:34:20,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 10:34:20,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 10:34:20,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 10:34:20,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 10:34:20,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 10:34:20,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 10:34:20,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 10:34:20,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:34:20,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:34:20,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:34:20,015 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 10:34:20,051 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:34:20,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:34:20,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:34:20,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:34:20,055 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:34:20,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:34:20,055 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:34:20,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:34:20,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:34:20,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:34:20,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:34:20,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:34:20,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:34:20,057 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:34:20,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:34:20,057 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:34:20,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:34:20,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:34:20,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:34:20,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:34:20,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:34:20,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:34:20,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:34:20,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:34:20,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:34:20,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:34:20,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:34:20,059 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:34:20,060 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:34:20,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:34:20,060 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:34:20,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:34:20,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:34:20,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:34:20,407 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:34:20,408 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:34:20,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_tso.oepc.i [2021-03-26 10:34:20,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88fe4989d/40b6108d08454ab6864fac1f66ac4c53/FLAG78b705aa4 [2021-03-26 10:34:21,082 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:34:21,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_tso.oepc.i [2021-03-26 10:34:21,096 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88fe4989d/40b6108d08454ab6864fac1f66ac4c53/FLAG78b705aa4 [2021-03-26 10:34:21,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88fe4989d/40b6108d08454ab6864fac1f66ac4c53 [2021-03-26 10:34:21,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:34:21,358 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:34:21,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:34:21,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:34:21,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:34:21,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:34:21" (1/1) ... [2021-03-26 10:34:21,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b83a7c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:21, skipping insertion in model container [2021-03-26 10:34:21,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:34:21" (1/1) ... [2021-03-26 10:34:21,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:34:21,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:34:21,559 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_tso.oepc.i[950,963] [2021-03-26 10:34:21,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:34:21,732 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:34:21,741 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_tso.oepc.i[950,963] [2021-03-26 10:34:21,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:34:21,854 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:34:21,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:21 WrapperNode [2021-03-26 10:34:21,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:34:21,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:34:21,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:34:21,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:34:21,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:21" (1/1) ... [2021-03-26 10:34:21,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:21" (1/1) ... [2021-03-26 10:34:21,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:34:21,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:34:21,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:34:21,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:34:21,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:21" (1/1) ... [2021-03-26 10:34:21,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:21" (1/1) ... [2021-03-26 10:34:21,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:21" (1/1) ... [2021-03-26 10:34:21,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:21" (1/1) ... [2021-03-26 10:34:21,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:21" (1/1) ... [2021-03-26 10:34:21,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:21" (1/1) ... [2021-03-26 10:34:21,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:21" (1/1) ... [2021-03-26 10:34:21,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:34:21,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:34:21,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:34:21,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:34:21,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:21" (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 10:34:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:34:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:34:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:34:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:34:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:34:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:34:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:34:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:34:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 10:34:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 10:34:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-26 10:34:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-26 10:34:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:34:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:34:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:34:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:34:22,022 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 10:34:22,312 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:34:22,312 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-26 10:34:22,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:34:22 BoogieIcfgContainer [2021-03-26 10:34:22,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:34:22,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:34:22,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:34:22,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:34:22,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:34:21" (1/3) ... [2021-03-26 10:34:22,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb400ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:34:22, skipping insertion in model container [2021-03-26 10:34:22,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:34:21" (2/3) ... [2021-03-26 10:34:22,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb400ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:34:22, skipping insertion in model container [2021-03-26 10:34:22,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:34:22" (3/3) ... [2021-03-26 10:34:22,320 INFO L111 eAbstractionObserver]: Analyzing ICFG safe016_tso.oepc.i [2021-03-26 10:34:22,324 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:34:22,327 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 10:34:22,329 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:34:22,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,352 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,352 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,354 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,354 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,355 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,355 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,356 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,356 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,357 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,357 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,358 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,358 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,359 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,359 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,360 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,360 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,361 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,362 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,365 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,366 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,366 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,366 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,367 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,368 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,370 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,370 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,370 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:34:22,371 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:34:22,386 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 10:34:22,403 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:34:22,403 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:34:22,403 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:34:22,403 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:34:22,403 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:34:22,403 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:34:22,403 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:34:22,404 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:34:22,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 85 transitions, 190 flow [2021-03-26 10:34:22,465 INFO L129 PetriNetUnfolder]: 2/81 cut-off events. [2021-03-26 10:34:22,465 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:34:22,468 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 10:34:22,469 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 85 transitions, 190 flow [2021-03-26 10:34:22,472 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 67 transitions, 146 flow [2021-03-26 10:34:22,473 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:22,484 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 67 transitions, 146 flow [2021-03-26 10:34:22,487 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 67 transitions, 146 flow [2021-03-26 10:34:22,488 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions, 146 flow [2021-03-26 10:34:22,503 INFO L129 PetriNetUnfolder]: 1/67 cut-off events. [2021-03-26 10:34:22,503 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:34:22,504 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 10:34:22,506 INFO L142 LiptonReduction]: Number of co-enabled transitions 1250 [2021-03-26 10:34:24,113 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-03-26 10:34:24,170 INFO L154 LiptonReduction]: Checked pairs total: 1383 [2021-03-26 10:34:24,170 INFO L156 LiptonReduction]: Total number of compositions: 44 [2021-03-26 10:34:24,172 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1700 [2021-03-26 10:34:24,191 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-26 10:34:24,191 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:34:24,192 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:24,192 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:24,192 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:24,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:24,196 INFO L82 PathProgramCache]: Analyzing trace with hash -592752111, now seen corresponding path program 1 times [2021-03-26 10:34:24,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:24,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126194885] [2021-03-26 10:34:24,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:24,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:24,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:24,468 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:34:24,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:34:24,483 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 10:34:24,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126194885] [2021-03-26 10:34:24,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:24,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:34:24,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818084567] [2021-03-26 10:34:24,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:34:24,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:24,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:34:24,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:34:24,506 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 129 [2021-03-26 10:34:24,510 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 10:34:24,510 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:24,510 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 129 [2021-03-26 10:34:24,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:24,599 INFO L129 PetriNetUnfolder]: 117/286 cut-off events. [2021-03-26 10:34:24,600 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:34:24,602 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 10:34:24,605 INFO L132 encePairwiseOnDemand]: 121/129 looper letters, 11 selfloop transitions, 7 changer transitions 0/32 dead transitions. [2021-03-26 10:34:24,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 32 transitions, 112 flow [2021-03-26 10:34:24,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:34:24,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:34:24,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 428 transitions. [2021-03-26 10:34:24,640 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8294573643410853 [2021-03-26 10:34:24,640 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 428 transitions. [2021-03-26 10:34:24,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 428 transitions. [2021-03-26 10:34:24,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:24,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 428 transitions. [2021-03-26 10:34:24,649 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 10:34:24,662 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 10:34:24,662 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 10:34:24,664 INFO L185 Difference]: Start difference. First operand has 36 places, 23 transitions, 58 flow. Second operand 4 states and 428 transitions. [2021-03-26 10:34:24,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 32 transitions, 112 flow [2021-03-26 10:34:24,666 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 10:34:24,667 INFO L241 Difference]: Finished difference. Result has 38 places, 28 transitions, 106 flow [2021-03-26 10:34:24,668 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 10:34:24,669 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 2 predicate places. [2021-03-26 10:34:24,669 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:24,669 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 28 transitions, 106 flow [2021-03-26 10:34:24,670 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 28 transitions, 106 flow [2021-03-26 10:34:24,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 28 transitions, 106 flow [2021-03-26 10:34:24,690 INFO L129 PetriNetUnfolder]: 99/246 cut-off events. [2021-03-26 10:34:24,690 INFO L130 PetriNetUnfolder]: For 51/65 co-relation queries the response was YES. [2021-03-26 10:34:24,691 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 10:34:24,693 INFO L142 LiptonReduction]: Number of co-enabled transitions 240 [2021-03-26 10:34:24,983 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-26 10:34:25,183 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-26 10:34:25,270 INFO L154 LiptonReduction]: Checked pairs total: 146 [2021-03-26 10:34:25,270 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:34:25,271 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 602 [2021-03-26 10:34:25,272 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 25 transitions, 100 flow [2021-03-26 10:34:25,272 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 10:34:25,272 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:25,272 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:25,272 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:34:25,273 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:25,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:25,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1195447099, now seen corresponding path program 1 times [2021-03-26 10:34:25,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:25,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561859202] [2021-03-26 10:34:25,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:25,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:25,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:34:25,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:25,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:25,333 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:34:25,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:34:25,344 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 10:34:25,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561859202] [2021-03-26 10:34:25,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:25,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:34:25,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701322032] [2021-03-26 10:34:25,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:34:25,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:25,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:34:25,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:34:25,351 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 10:34:25,351 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 10:34:25,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:25,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 10:34:25,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:25,394 INFO L129 PetriNetUnfolder]: 90/231 cut-off events. [2021-03-26 10:34:25,395 INFO L130 PetriNetUnfolder]: For 137/432 co-relation queries the response was YES. [2021-03-26 10:34:25,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 672 conditions, 231 events. 90/231 cut-off events. For 137/432 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1173 event pairs, 25 based on Foata normal form. 13/231 useless extension candidates. Maximal degree in co-relation 660. Up to 106 conditions per place. [2021-03-26 10:34:25,398 INFO L132 encePairwiseOnDemand]: 124/132 looper letters, 13 selfloop transitions, 13 changer transitions 0/38 dead transitions. [2021-03-26 10:34:25,398 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 38 transitions, 216 flow [2021-03-26 10:34:25,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:34:25,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:34:25,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2021-03-26 10:34:25,400 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8200757575757576 [2021-03-26 10:34:25,400 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 433 transitions. [2021-03-26 10:34:25,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 433 transitions. [2021-03-26 10:34:25,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:25,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 433 transitions. [2021-03-26 10:34:25,401 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 10:34:25,403 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 10:34:25,403 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 10:34:25,403 INFO L185 Difference]: Start difference. First operand has 35 places, 25 transitions, 100 flow. Second operand 4 states and 433 transitions. [2021-03-26 10:34:25,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 38 transitions, 216 flow [2021-03-26 10:34:25,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 38 transitions, 212 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:34:25,405 INFO L241 Difference]: Finished difference. Result has 40 places, 34 transitions, 211 flow [2021-03-26 10:34:25,406 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=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=211, PETRI_PLACES=40, PETRI_TRANSITIONS=34} [2021-03-26 10:34:25,406 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 4 predicate places. [2021-03-26 10:34:25,406 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:25,406 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 34 transitions, 211 flow [2021-03-26 10:34:25,407 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 34 transitions, 211 flow [2021-03-26 10:34:25,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 34 transitions, 211 flow [2021-03-26 10:34:25,424 INFO L129 PetriNetUnfolder]: 87/219 cut-off events. [2021-03-26 10:34:25,424 INFO L130 PetriNetUnfolder]: For 283/358 co-relation queries the response was YES. [2021-03-26 10:34:25,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 219 events. 87/219 cut-off events. For 283/358 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1084 event pairs, 33 based on Foata normal form. 5/210 useless extension candidates. Maximal degree in co-relation 702. Up to 101 conditions per place. [2021-03-26 10:34:25,427 INFO L142 LiptonReduction]: Number of co-enabled transitions 290 [2021-03-26 10:34:25,481 INFO L154 LiptonReduction]: Checked pairs total: 204 [2021-03-26 10:34:25,481 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:25,482 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 76 [2021-03-26 10:34:25,483 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 34 transitions, 211 flow [2021-03-26 10:34:25,483 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 10:34:25,484 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:25,484 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:25,486 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:34:25,486 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:25,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:25,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1648942409, now seen corresponding path program 1 times [2021-03-26 10:34:25,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:25,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236040691] [2021-03-26 10:34:25,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:25,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:25,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:25,565 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:34:25,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:34:25,573 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 10:34:25,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236040691] [2021-03-26 10:34:25,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:25,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:34:25,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371732691] [2021-03-26 10:34:25,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:34:25,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:25,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:34:25,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:34:25,581 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 10:34:25,582 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 34 transitions, 211 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 10:34:25,582 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:25,582 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 10:34:25,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:25,623 INFO L129 PetriNetUnfolder]: 80/217 cut-off events. [2021-03-26 10:34:25,623 INFO L130 PetriNetUnfolder]: For 354/713 co-relation queries the response was YES. [2021-03-26 10:34:25,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 834 conditions, 217 events. 80/217 cut-off events. For 354/713 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1076 event pairs, 13 based on Foata normal form. 10/215 useless extension candidates. Maximal degree in co-relation 818. Up to 91 conditions per place. [2021-03-26 10:34:25,625 INFO L132 encePairwiseOnDemand]: 124/132 looper letters, 16 selfloop transitions, 18 changer transitions 0/46 dead transitions. [2021-03-26 10:34:25,625 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 46 transitions, 373 flow [2021-03-26 10:34:25,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:34:25,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:34:25,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 430 transitions. [2021-03-26 10:34:25,627 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8143939393939394 [2021-03-26 10:34:25,627 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 430 transitions. [2021-03-26 10:34:25,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 430 transitions. [2021-03-26 10:34:25,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:25,628 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 430 transitions. [2021-03-26 10:34:25,629 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 10:34:25,630 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 10:34:25,630 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 10:34:25,631 INFO L185 Difference]: Start difference. First operand has 40 places, 34 transitions, 211 flow. Second operand 4 states and 430 transitions. [2021-03-26 10:34:25,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 46 transitions, 373 flow [2021-03-26 10:34:25,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 46 transitions, 373 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 10:34:25,638 INFO L241 Difference]: Finished difference. Result has 46 places, 42 transitions, 368 flow [2021-03-26 10:34:25,638 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=368, PETRI_PLACES=46, PETRI_TRANSITIONS=42} [2021-03-26 10:34:25,638 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 10 predicate places. [2021-03-26 10:34:25,638 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:25,639 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 42 transitions, 368 flow [2021-03-26 10:34:25,639 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 42 transitions, 368 flow [2021-03-26 10:34:25,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 42 transitions, 368 flow [2021-03-26 10:34:25,659 INFO L129 PetriNetUnfolder]: 79/211 cut-off events. [2021-03-26 10:34:25,659 INFO L130 PetriNetUnfolder]: For 571/748 co-relation queries the response was YES. [2021-03-26 10:34:25,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 887 conditions, 211 events. 79/211 cut-off events. For 571/748 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1069 event pairs, 25 based on Foata normal form. 4/203 useless extension candidates. Maximal degree in co-relation 868. Up to 89 conditions per place. [2021-03-26 10:34:25,662 INFO L142 LiptonReduction]: Number of co-enabled transitions 352 [2021-03-26 10:34:25,671 INFO L154 LiptonReduction]: Checked pairs total: 246 [2021-03-26 10:34:25,671 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:25,671 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-03-26 10:34:25,672 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 368 flow [2021-03-26 10:34:25,673 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 10:34:25,673 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:25,673 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:25,673 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:34:25,673 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:25,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:25,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1409197544, now seen corresponding path program 1 times [2021-03-26 10:34:25,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:25,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537653510] [2021-03-26 10:34:25,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:25,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:25,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:25,747 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:34:25,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:34:25,754 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 10:34:25,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537653510] [2021-03-26 10:34:25,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:25,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:34:25,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681131759] [2021-03-26 10:34:25,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:34:25,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:25,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:34:25,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:34:25,756 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 10:34:25,757 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 368 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 10:34:25,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:25,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 10:34:25,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:25,811 INFO L129 PetriNetUnfolder]: 69/193 cut-off events. [2021-03-26 10:34:25,811 INFO L130 PetriNetUnfolder]: For 573/911 co-relation queries the response was YES. [2021-03-26 10:34:25,812 INFO L84 FinitePrefix]: Finished finitePrefix Result has 931 conditions, 193 events. 69/193 cut-off events. For 573/911 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 921 event pairs, 5 based on Foata normal form. 3/184 useless extension candidates. Maximal degree in co-relation 910. Up to 80 conditions per place. [2021-03-26 10:34:25,814 INFO L132 encePairwiseOnDemand]: 124/132 looper letters, 20 selfloop transitions, 28 changer transitions 0/60 dead transitions. [2021-03-26 10:34:25,814 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 60 transitions, 667 flow [2021-03-26 10:34:25,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:34:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:34:25,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2021-03-26 10:34:25,816 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8200757575757576 [2021-03-26 10:34:25,816 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 433 transitions. [2021-03-26 10:34:25,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 433 transitions. [2021-03-26 10:34:25,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:25,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 433 transitions. [2021-03-26 10:34:25,817 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 10:34:25,818 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 10:34:25,819 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 10:34:25,819 INFO L185 Difference]: Start difference. First operand has 46 places, 42 transitions, 368 flow. Second operand 4 states and 433 transitions. [2021-03-26 10:34:25,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 60 transitions, 667 flow [2021-03-26 10:34:25,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 60 transitions, 662 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:34:25,823 INFO L241 Difference]: Finished difference. Result has 51 places, 56 transitions, 666 flow [2021-03-26 10:34:25,823 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=365, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=666, PETRI_PLACES=51, PETRI_TRANSITIONS=56} [2021-03-26 10:34:25,824 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 15 predicate places. [2021-03-26 10:34:25,824 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:25,824 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 56 transitions, 666 flow [2021-03-26 10:34:25,824 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 56 transitions, 666 flow [2021-03-26 10:34:25,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 56 transitions, 666 flow [2021-03-26 10:34:25,843 INFO L129 PetriNetUnfolder]: 68/187 cut-off events. [2021-03-26 10:34:25,843 INFO L130 PetriNetUnfolder]: For 1051/1276 co-relation queries the response was YES. [2021-03-26 10:34:25,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 950 conditions, 187 events. 68/187 cut-off events. For 1051/1276 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 935 event pairs, 19 based on Foata normal form. 7/182 useless extension candidates. Maximal degree in co-relation 927. Up to 78 conditions per place. [2021-03-26 10:34:25,846 INFO L142 LiptonReduction]: Number of co-enabled transitions 422 [2021-03-26 10:34:25,858 INFO L154 LiptonReduction]: Checked pairs total: 616 [2021-03-26 10:34:25,859 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:25,859 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-03-26 10:34:25,862 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 56 transitions, 666 flow [2021-03-26 10:34:25,863 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 10:34:25,863 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:25,863 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:25,864 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:34:25,866 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:25,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:25,867 INFO L82 PathProgramCache]: Analyzing trace with hash -16236178, now seen corresponding path program 1 times [2021-03-26 10:34:25,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:25,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972678643] [2021-03-26 10:34:25,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:25,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:25,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:25,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:25,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:25,907 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:34:25,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:34:25,922 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 10:34:25,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972678643] [2021-03-26 10:34:25,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:25,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:34:25,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630206407] [2021-03-26 10:34:25,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:34:25,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:25,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:34:25,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:34:25,924 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 10:34:25,925 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 56 transitions, 666 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 10:34:25,925 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:25,925 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 10:34:25,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:25,987 INFO L129 PetriNetUnfolder]: 80/243 cut-off events. [2021-03-26 10:34:25,988 INFO L130 PetriNetUnfolder]: For 1103/1457 co-relation queries the response was YES. [2021-03-26 10:34:25,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1376 conditions, 243 events. 80/243 cut-off events. For 1103/1457 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1337 event pairs, 7 based on Foata normal form. 10/241 useless extension candidates. Maximal degree in co-relation 1351. Up to 99 conditions per place. [2021-03-26 10:34:25,990 INFO L132 encePairwiseOnDemand]: 124/132 looper letters, 18 selfloop transitions, 18 changer transitions 30/78 dead transitions. [2021-03-26 10:34:25,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 78 transitions, 1076 flow [2021-03-26 10:34:25,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:34:25,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:34:25,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 540 transitions. [2021-03-26 10:34:25,992 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8181818181818182 [2021-03-26 10:34:25,992 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 540 transitions. [2021-03-26 10:34:25,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 540 transitions. [2021-03-26 10:34:25,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:25,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 540 transitions. [2021-03-26 10:34:25,994 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 10:34:25,995 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 10:34:25,997 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 10:34:25,997 INFO L185 Difference]: Start difference. First operand has 51 places, 56 transitions, 666 flow. Second operand 5 states and 540 transitions. [2021-03-26 10:34:25,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 78 transitions, 1076 flow [2021-03-26 10:34:26,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 78 transitions, 1076 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 10:34:26,004 INFO L241 Difference]: Finished difference. Result has 56 places, 43 transitions, 509 flow [2021-03-26 10:34:26,004 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=666, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=509, PETRI_PLACES=56, PETRI_TRANSITIONS=43} [2021-03-26 10:34:26,004 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 20 predicate places. [2021-03-26 10:34:26,004 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:26,004 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 43 transitions, 509 flow [2021-03-26 10:34:26,005 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 43 transitions, 509 flow [2021-03-26 10:34:26,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 43 transitions, 509 flow [2021-03-26 10:34:26,022 INFO L129 PetriNetUnfolder]: 39/132 cut-off events. [2021-03-26 10:34:26,022 INFO L130 PetriNetUnfolder]: For 781/824 co-relation queries the response was YES. [2021-03-26 10:34:26,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 722 conditions, 132 events. 39/132 cut-off events. For 781/824 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 605 event pairs, 9 based on Foata normal form. 2/129 useless extension candidates. Maximal degree in co-relation 696. Up to 52 conditions per place. [2021-03-26 10:34:26,024 INFO L142 LiptonReduction]: Number of co-enabled transitions 276 [2021-03-26 10:34:26,029 INFO L154 LiptonReduction]: Checked pairs total: 354 [2021-03-26 10:34:26,029 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:26,030 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-03-26 10:34:26,031 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 43 transitions, 509 flow [2021-03-26 10:34:26,032 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 10:34:26,032 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:26,032 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:26,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:34:26,032 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:26,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:26,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1975932805, now seen corresponding path program 1 times [2021-03-26 10:34:26,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:26,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4967617] [2021-03-26 10:34:26,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:26,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:26,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:34:26,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:26,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:26,097 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:34:26,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:34:26,107 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 10:34:26,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4967617] [2021-03-26 10:34:26,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:26,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:34:26,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427024305] [2021-03-26 10:34:26,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:34:26,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:26,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:34:26,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:34:26,109 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 10:34:26,110 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 43 transitions, 509 flow. Second operand has 4 states, 4 states have (on average 104.5) internal successors, (418), 4 states have internal predecessors, (418), 0 states have call successors, (0), 0 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 10:34:26,110 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:26,110 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 10:34:26,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:26,140 INFO L129 PetriNetUnfolder]: 35/136 cut-off events. [2021-03-26 10:34:26,140 INFO L130 PetriNetUnfolder]: For 748/766 co-relation queries the response was YES. [2021-03-26 10:34:26,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 830 conditions, 136 events. 35/136 cut-off events. For 748/766 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 632 event pairs, 2 based on Foata normal form. 4/138 useless extension candidates. Maximal degree in co-relation 802. Up to 51 conditions per place. [2021-03-26 10:34:26,141 INFO L132 encePairwiseOnDemand]: 125/132 looper letters, 15 selfloop transitions, 19 changer transitions 5/51 dead transitions. [2021-03-26 10:34:26,141 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 51 transitions, 701 flow [2021-03-26 10:34:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:34:26,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:34:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 429 transitions. [2021-03-26 10:34:26,143 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8125 [2021-03-26 10:34:26,143 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 429 transitions. [2021-03-26 10:34:26,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 429 transitions. [2021-03-26 10:34:26,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:26,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 429 transitions. [2021-03-26 10:34:26,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 0 states have call successors, (0), 0 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 10:34:26,145 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 10:34:26,146 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 10:34:26,146 INFO L185 Difference]: Start difference. First operand has 56 places, 43 transitions, 509 flow. Second operand 4 states and 429 transitions. [2021-03-26 10:34:26,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 51 transitions, 701 flow [2021-03-26 10:34:26,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 51 transitions, 570 flow, removed 5 selfloop flow, removed 8 redundant places. [2021-03-26 10:34:26,154 INFO L241 Difference]: Finished difference. Result has 54 places, 44 transitions, 503 flow [2021-03-26 10:34:26,154 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=503, PETRI_PLACES=54, PETRI_TRANSITIONS=44} [2021-03-26 10:34:26,154 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 18 predicate places. [2021-03-26 10:34:26,154 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:26,155 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 44 transitions, 503 flow [2021-03-26 10:34:26,155 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 44 transitions, 503 flow [2021-03-26 10:34:26,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 44 transitions, 503 flow [2021-03-26 10:34:26,168 INFO L129 PetriNetUnfolder]: 29/119 cut-off events. [2021-03-26 10:34:26,168 INFO L130 PetriNetUnfolder]: For 696/732 co-relation queries the response was YES. [2021-03-26 10:34:26,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 631 conditions, 119 events. 29/119 cut-off events. For 696/732 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 544 event pairs, 6 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 606. Up to 47 conditions per place. [2021-03-26 10:34:26,169 INFO L142 LiptonReduction]: Number of co-enabled transitions 276 [2021-03-26 10:34:26,176 INFO L154 LiptonReduction]: Checked pairs total: 431 [2021-03-26 10:34:26,176 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:26,176 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-03-26 10:34:26,180 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 44 transitions, 503 flow [2021-03-26 10:34:26,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 104.5) internal successors, (418), 4 states have internal predecessors, (418), 0 states have call successors, (0), 0 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 10:34:26,181 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:26,181 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:26,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:34:26,181 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:26,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:26,181 INFO L82 PathProgramCache]: Analyzing trace with hash -697804178, now seen corresponding path program 1 times [2021-03-26 10:34:26,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:26,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495989487] [2021-03-26 10:34:26,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:26,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:26,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:26,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:26,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:34:26,234 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 10:34:26,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495989487] [2021-03-26 10:34:26,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:26,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:34:26,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093412783] [2021-03-26 10:34:26,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:34:26,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:26,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:34:26,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:34:26,236 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 132 [2021-03-26 10:34:26,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 44 transitions, 503 flow. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 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 10:34:26,237 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:26,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 132 [2021-03-26 10:34:26,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:26,311 INFO L129 PetriNetUnfolder]: 342/657 cut-off events. [2021-03-26 10:34:26,311 INFO L130 PetriNetUnfolder]: For 1530/1580 co-relation queries the response was YES. [2021-03-26 10:34:26,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2004 conditions, 657 events. 342/657 cut-off events. For 1530/1580 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 3954 event pairs, 150 based on Foata normal form. 5/581 useless extension candidates. Maximal degree in co-relation 1977. Up to 520 conditions per place. [2021-03-26 10:34:26,317 INFO L132 encePairwiseOnDemand]: 126/132 looper letters, 5 selfloop transitions, 5 changer transitions 0/48 dead transitions. [2021-03-26 10:34:26,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 48 transitions, 531 flow [2021-03-26 10:34:26,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:34:26,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:34:26,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 335 transitions. [2021-03-26 10:34:26,319 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8459595959595959 [2021-03-26 10:34:26,319 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 335 transitions. [2021-03-26 10:34:26,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 335 transitions. [2021-03-26 10:34:26,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:26,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 335 transitions. [2021-03-26 10:34:26,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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 10:34:26,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 132.0) internal successors, (528), 4 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:26,321 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 132.0) internal successors, (528), 4 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:34:26,322 INFO L185 Difference]: Start difference. First operand has 54 places, 44 transitions, 503 flow. Second operand 3 states and 335 transitions. [2021-03-26 10:34:26,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 48 transitions, 531 flow [2021-03-26 10:34:26,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 48 transitions, 503 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-26 10:34:26,328 INFO L241 Difference]: Finished difference. Result has 56 places, 48 transitions, 508 flow [2021-03-26 10:34:26,329 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=508, PETRI_PLACES=56, PETRI_TRANSITIONS=48} [2021-03-26 10:34:26,329 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 20 predicate places. [2021-03-26 10:34:26,329 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:26,329 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 48 transitions, 508 flow [2021-03-26 10:34:26,330 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 48 transitions, 508 flow [2021-03-26 10:34:26,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 48 transitions, 508 flow [2021-03-26 10:34:26,376 INFO L129 PetriNetUnfolder]: 346/658 cut-off events. [2021-03-26 10:34:26,377 INFO L130 PetriNetUnfolder]: For 975/1026 co-relation queries the response was YES. [2021-03-26 10:34:26,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1855 conditions, 658 events. 346/658 cut-off events. For 975/1026 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 4055 event pairs, 163 based on Foata normal form. 4/582 useless extension candidates. Maximal degree in co-relation 1828. Up to 548 conditions per place. [2021-03-26 10:34:26,384 INFO L142 LiptonReduction]: Number of co-enabled transitions 360 [2021-03-26 10:34:26,389 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:34:26,389 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:26,389 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 60 [2021-03-26 10:34:26,390 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 48 transitions, 508 flow [2021-03-26 10:34:26,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 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 10:34:26,390 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:26,390 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:26,390 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:34:26,391 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:26,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:26,391 INFO L82 PathProgramCache]: Analyzing trace with hash -473586466, now seen corresponding path program 1 times [2021-03-26 10:34:26,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:26,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226323140] [2021-03-26 10:34:26,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:26,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:26,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:26,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:26,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:26,437 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 10:34:26,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226323140] [2021-03-26 10:34:26,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:26,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:34:26,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017293936] [2021-03-26 10:34:26,438 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:34:26,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:26,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:34:26,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:34:26,439 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 132 [2021-03-26 10:34:26,440 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 48 transitions, 508 flow. Second operand has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 0 states have call successors, (0), 0 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 10:34:26,440 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:26,440 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 132 [2021-03-26 10:34:26,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:26,525 INFO L129 PetriNetUnfolder]: 530/980 cut-off events. [2021-03-26 10:34:26,525 INFO L130 PetriNetUnfolder]: For 2008/2146 co-relation queries the response was YES. [2021-03-26 10:34:26,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2763 conditions, 980 events. 530/980 cut-off events. For 2008/2146 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 6367 event pairs, 253 based on Foata normal form. 39/891 useless extension candidates. Maximal degree in co-relation 2734. Up to 840 conditions per place. [2021-03-26 10:34:26,532 INFO L132 encePairwiseOnDemand]: 127/132 looper letters, 8 selfloop transitions, 6 changer transitions 14/54 dead transitions. [2021-03-26 10:34:26,532 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 54 transitions, 629 flow [2021-03-26 10:34:26,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:34:26,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:34:26,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 451 transitions. [2021-03-26 10:34:26,534 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8541666666666666 [2021-03-26 10:34:26,534 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 451 transitions. [2021-03-26 10:34:26,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 451 transitions. [2021-03-26 10:34:26,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:26,535 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 451 transitions. [2021-03-26 10:34:26,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 112.75) internal successors, (451), 4 states have internal predecessors, (451), 0 states have call successors, (0), 0 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 10:34:26,537 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 10:34:26,537 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 10:34:26,537 INFO L185 Difference]: Start difference. First operand has 56 places, 48 transitions, 508 flow. Second operand 4 states and 451 transitions. [2021-03-26 10:34:26,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 54 transitions, 629 flow [2021-03-26 10:34:26,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 54 transitions, 624 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:34:26,544 INFO L241 Difference]: Finished difference. Result has 59 places, 40 transitions, 407 flow [2021-03-26 10:34:26,545 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=503, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=407, PETRI_PLACES=59, PETRI_TRANSITIONS=40} [2021-03-26 10:34:26,545 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 23 predicate places. [2021-03-26 10:34:26,545 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:26,545 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 40 transitions, 407 flow [2021-03-26 10:34:26,545 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 40 transitions, 407 flow [2021-03-26 10:34:26,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 40 transitions, 407 flow [2021-03-26 10:34:26,602 INFO L129 PetriNetUnfolder]: 282/545 cut-off events. [2021-03-26 10:34:26,602 INFO L130 PetriNetUnfolder]: For 1286/1330 co-relation queries the response was YES. [2021-03-26 10:34:26,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1611 conditions, 545 events. 282/545 cut-off events. For 1286/1330 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 3244 event pairs, 140 based on Foata normal form. 1/480 useless extension candidates. Maximal degree in co-relation 1582. Up to 448 conditions per place. [2021-03-26 10:34:26,608 INFO L142 LiptonReduction]: Number of co-enabled transitions 274 [2021-03-26 10:34:26,611 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:34:26,611 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:26,612 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 67 [2021-03-26 10:34:26,612 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 40 transitions, 407 flow [2021-03-26 10:34:26,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 0 states have call successors, (0), 0 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 10:34:26,613 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:26,613 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:26,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 10:34:26,613 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:26,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:26,613 INFO L82 PathProgramCache]: Analyzing trace with hash -174087894, now seen corresponding path program 1 times [2021-03-26 10:34:26,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:26,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263379304] [2021-03-26 10:34:26,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:26,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:26,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:26,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:26,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:26,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:26,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:34:26,667 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 10:34:26,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263379304] [2021-03-26 10:34:26,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:26,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:34:26,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890383197] [2021-03-26 10:34:26,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:34:26,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:26,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:34:26,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:34:26,669 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 132 [2021-03-26 10:34:26,670 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 40 transitions, 407 flow. Second operand has 4 states, 4 states have (on average 108.75) internal successors, (435), 4 states have internal predecessors, (435), 0 states have call successors, (0), 0 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 10:34:26,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:26,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 132 [2021-03-26 10:34:26,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:26,717 INFO L129 PetriNetUnfolder]: 178/379 cut-off events. [2021-03-26 10:34:26,718 INFO L130 PetriNetUnfolder]: For 952/1255 co-relation queries the response was YES. [2021-03-26 10:34:26,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1456 conditions, 379 events. 178/379 cut-off events. For 952/1255 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2061 event pairs, 36 based on Foata normal form. 59/409 useless extension candidates. Maximal degree in co-relation 1425. Up to 307 conditions per place. [2021-03-26 10:34:26,721 INFO L132 encePairwiseOnDemand]: 126/132 looper letters, 5 selfloop transitions, 9 changer transitions 0/44 dead transitions. [2021-03-26 10:34:26,721 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 44 transitions, 451 flow [2021-03-26 10:34:26,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:34:26,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:34:26,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 447 transitions. [2021-03-26 10:34:26,723 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8465909090909091 [2021-03-26 10:34:26,723 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 447 transitions. [2021-03-26 10:34:26,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 447 transitions. [2021-03-26 10:34:26,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:26,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 447 transitions. [2021-03-26 10:34:26,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 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 10:34:26,725 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 10:34:26,725 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 10:34:26,725 INFO L185 Difference]: Start difference. First operand has 59 places, 40 transitions, 407 flow. Second operand 4 states and 447 transitions. [2021-03-26 10:34:26,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 44 transitions, 451 flow [2021-03-26 10:34:26,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 44 transitions, 409 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-26 10:34:26,730 INFO L241 Difference]: Finished difference. Result has 58 places, 44 transitions, 417 flow [2021-03-26 10:34:26,730 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=365, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=417, PETRI_PLACES=58, PETRI_TRANSITIONS=44} [2021-03-26 10:34:26,730 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 22 predicate places. [2021-03-26 10:34:26,730 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:26,730 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 44 transitions, 417 flow [2021-03-26 10:34:26,730 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 44 transitions, 417 flow [2021-03-26 10:34:26,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 44 transitions, 417 flow [2021-03-26 10:34:26,757 INFO L129 PetriNetUnfolder]: 185/397 cut-off events. [2021-03-26 10:34:26,758 INFO L130 PetriNetUnfolder]: For 911/1132 co-relation queries the response was YES. [2021-03-26 10:34:26,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1517 conditions, 397 events. 185/397 cut-off events. For 911/1132 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 2247 event pairs, 38 based on Foata normal form. 7/373 useless extension candidates. Maximal degree in co-relation 1489. Up to 322 conditions per place. [2021-03-26 10:34:26,762 INFO L142 LiptonReduction]: Number of co-enabled transitions 332 [2021-03-26 10:34:26,766 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:34:26,766 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:26,767 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-26 10:34:26,768 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 44 transitions, 417 flow [2021-03-26 10:34:26,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 108.75) internal successors, (435), 4 states have internal predecessors, (435), 0 states have call successors, (0), 0 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 10:34:26,768 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:26,768 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:26,768 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 10:34:26,768 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:26,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:26,769 INFO L82 PathProgramCache]: Analyzing trace with hash -575360590, now seen corresponding path program 1 times [2021-03-26 10:34:26,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:26,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754928355] [2021-03-26 10:34:26,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:26,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:26,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:26,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:26,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:26,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:26,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:26,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:26,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:34:26,815 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 10:34:26,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754928355] [2021-03-26 10:34:26,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:26,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:34:26,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553843263] [2021-03-26 10:34:26,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:34:26,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:26,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:34:26,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:34:26,817 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 132 [2021-03-26 10:34:26,817 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 44 transitions, 417 flow. Second operand has 5 states, 5 states have (on average 108.8) internal successors, (544), 5 states have internal predecessors, (544), 0 states have call successors, (0), 0 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 10:34:26,818 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:26,818 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 132 [2021-03-26 10:34:26,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:26,860 INFO L129 PetriNetUnfolder]: 107/245 cut-off events. [2021-03-26 10:34:26,860 INFO L130 PetriNetUnfolder]: For 603/1183 co-relation queries the response was YES. [2021-03-26 10:34:26,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1154 conditions, 245 events. 107/245 cut-off events. For 603/1183 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1162 event pairs, 5 based on Foata normal form. 117/343 useless extension candidates. Maximal degree in co-relation 1124. Up to 198 conditions per place. [2021-03-26 10:34:26,862 INFO L132 encePairwiseOnDemand]: 126/132 looper letters, 5 selfloop transitions, 13 changer transitions 0/48 dead transitions. [2021-03-26 10:34:26,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 48 transitions, 477 flow [2021-03-26 10:34:26,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:34:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:34:26,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 559 transitions. [2021-03-26 10:34:26,864 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8469696969696969 [2021-03-26 10:34:26,864 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 559 transitions. [2021-03-26 10:34:26,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 559 transitions. [2021-03-26 10:34:26,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:26,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 559 transitions. [2021-03-26 10:34:26,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 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 10:34:26,867 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 10:34:26,867 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 10:34:26,867 INFO L185 Difference]: Start difference. First operand has 58 places, 44 transitions, 417 flow. Second operand 5 states and 559 transitions. [2021-03-26 10:34:26,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 48 transitions, 477 flow [2021-03-26 10:34:26,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 48 transitions, 459 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-26 10:34:26,871 INFO L241 Difference]: Finished difference. Result has 61 places, 48 transitions, 467 flow [2021-03-26 10:34:26,872 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=467, PETRI_PLACES=61, PETRI_TRANSITIONS=48} [2021-03-26 10:34:26,872 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 25 predicate places. [2021-03-26 10:34:26,872 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:26,872 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 48 transitions, 467 flow [2021-03-26 10:34:26,872 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 48 transitions, 467 flow [2021-03-26 10:34:26,873 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 48 transitions, 467 flow [2021-03-26 10:34:26,891 INFO L129 PetriNetUnfolder]: 107/246 cut-off events. [2021-03-26 10:34:26,891 INFO L130 PetriNetUnfolder]: For 708/883 co-relation queries the response was YES. [2021-03-26 10:34:26,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1096 conditions, 246 events. 107/246 cut-off events. For 708/883 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1256 event pairs, 5 based on Foata normal form. 15/240 useless extension candidates. Maximal degree in co-relation 1067. Up to 181 conditions per place. [2021-03-26 10:34:26,894 INFO L142 LiptonReduction]: Number of co-enabled transitions 318 [2021-03-26 10:34:26,897 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:34:26,898 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:26,898 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-03-26 10:34:26,898 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 48 transitions, 467 flow [2021-03-26 10:34:26,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 108.8) internal successors, (544), 5 states have internal predecessors, (544), 0 states have call successors, (0), 0 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 10:34:26,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:26,899 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:26,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 10:34:26,899 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:26,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:26,899 INFO L82 PathProgramCache]: Analyzing trace with hash 803439822, now seen corresponding path program 1 times [2021-03-26 10:34:26,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:26,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626085797] [2021-03-26 10:34:26,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:26,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:26,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:34:26,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:26,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:26,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:26,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:26,946 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 10:34:26,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626085797] [2021-03-26 10:34:26,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:26,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:34:26,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631942078] [2021-03-26 10:34:26,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:34:26,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:26,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:34:26,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:34:26,948 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 132 [2021-03-26 10:34:26,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 48 transitions, 467 flow. Second operand has 4 states, 4 states have (on average 111.25) internal successors, (445), 4 states have internal predecessors, (445), 0 states have call successors, (0), 0 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 10:34:26,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:26,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 132 [2021-03-26 10:34:26,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:26,983 INFO L129 PetriNetUnfolder]: 122/270 cut-off events. [2021-03-26 10:34:26,984 INFO L130 PetriNetUnfolder]: For 843/1075 co-relation queries the response was YES. [2021-03-26 10:34:26,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 270 events. 122/270 cut-off events. For 843/1075 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1312 event pairs, 6 based on Foata normal form. 22/269 useless extension candidates. Maximal degree in co-relation 1172. Up to 208 conditions per place. [2021-03-26 10:34:26,985 INFO L132 encePairwiseOnDemand]: 128/132 looper letters, 5 selfloop transitions, 7 changer transitions 2/48 dead transitions. [2021-03-26 10:34:26,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 48 transitions, 491 flow [2021-03-26 10:34:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:34:26,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:34:26,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 559 transitions. [2021-03-26 10:34:26,988 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8469696969696969 [2021-03-26 10:34:26,988 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 559 transitions. [2021-03-26 10:34:26,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 559 transitions. [2021-03-26 10:34:26,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:26,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 559 transitions. [2021-03-26 10:34:26,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 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 10:34:26,991 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 10:34:26,991 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 10:34:26,991 INFO L185 Difference]: Start difference. First operand has 61 places, 48 transitions, 467 flow. Second operand 5 states and 559 transitions. [2021-03-26 10:34:26,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 48 transitions, 491 flow [2021-03-26 10:34:26,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 48 transitions, 457 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-03-26 10:34:26,997 INFO L241 Difference]: Finished difference. Result has 63 places, 46 transitions, 435 flow [2021-03-26 10:34:26,997 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=433, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=435, PETRI_PLACES=63, PETRI_TRANSITIONS=46} [2021-03-26 10:34:26,998 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 27 predicate places. [2021-03-26 10:34:26,998 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:26,998 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 46 transitions, 435 flow [2021-03-26 10:34:26,998 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 46 transitions, 435 flow [2021-03-26 10:34:26,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 46 transitions, 435 flow [2021-03-26 10:34:27,016 INFO L129 PetriNetUnfolder]: 106/259 cut-off events. [2021-03-26 10:34:27,016 INFO L130 PetriNetUnfolder]: For 588/657 co-relation queries the response was YES. [2021-03-26 10:34:27,017 INFO L84 FinitePrefix]: Finished finitePrefix Result has 915 conditions, 259 events. 106/259 cut-off events. For 588/657 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1388 event pairs, 6 based on Foata normal form. 12/249 useless extension candidates. Maximal degree in co-relation 886. Up to 124 conditions per place. [2021-03-26 10:34:27,019 INFO L142 LiptonReduction]: Number of co-enabled transitions 310 [2021-03-26 10:34:27,092 INFO L154 LiptonReduction]: Checked pairs total: 9 [2021-03-26 10:34:27,092 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:34:27,092 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 94 [2021-03-26 10:34:27,094 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 45 transitions, 433 flow [2021-03-26 10:34:27,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 111.25) internal successors, (445), 4 states have internal predecessors, (445), 0 states have call successors, (0), 0 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 10:34:27,095 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:27,095 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:27,095 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 10:34:27,095 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:27,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:27,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1368376730, now seen corresponding path program 2 times [2021-03-26 10:34:27,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:27,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720314117] [2021-03-26 10:34:27,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:27,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:27,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:27,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:27,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:27,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:27,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:27,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:27,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:27,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:27,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:34:27,151 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 10:34:27,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720314117] [2021-03-26 10:34:27,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:27,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:34:27,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816528241] [2021-03-26 10:34:27,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:34:27,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:27,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:34:27,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:34:27,153 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 133 [2021-03-26 10:34:27,154 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 45 transitions, 433 flow. Second operand has 6 states, 6 states have (on average 108.83333333333333) internal successors, (653), 6 states have internal predecessors, (653), 0 states have call successors, (0), 0 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 10:34:27,154 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:27,154 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 133 [2021-03-26 10:34:27,154 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:27,199 INFO L129 PetriNetUnfolder]: 92/206 cut-off events. [2021-03-26 10:34:27,199 INFO L130 PetriNetUnfolder]: For 785/1201 co-relation queries the response was YES. [2021-03-26 10:34:27,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 866 conditions, 206 events. 92/206 cut-off events. For 785/1201 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 964 event pairs, 1 based on Foata normal form. 123/306 useless extension candidates. Maximal degree in co-relation 835. Up to 80 conditions per place. [2021-03-26 10:34:27,200 INFO L132 encePairwiseOnDemand]: 127/133 looper letters, 0 selfloop transitions, 0 changer transitions 44/44 dead transitions. [2021-03-26 10:34:27,200 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 44 transitions, 441 flow [2021-03-26 10:34:27,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:34:27,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:34:27,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 664 transitions. [2021-03-26 10:34:27,202 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8320802005012531 [2021-03-26 10:34:27,202 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 664 transitions. [2021-03-26 10:34:27,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 664 transitions. [2021-03-26 10:34:27,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:27,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 664 transitions. [2021-03-26 10:34:27,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 110.66666666666667) internal successors, (664), 6 states have internal predecessors, (664), 0 states have call successors, (0), 0 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 10:34:27,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 133.0) internal successors, (931), 7 states have internal predecessors, (931), 0 states have call successors, (0), 0 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 10:34:27,205 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 133.0) internal successors, (931), 7 states have internal predecessors, (931), 0 states have call successors, (0), 0 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 10:34:27,206 INFO L185 Difference]: Start difference. First operand has 62 places, 45 transitions, 433 flow. Second operand 6 states and 664 transitions. [2021-03-26 10:34:27,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 44 transitions, 441 flow [2021-03-26 10:34:27,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 44 transitions, 417 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-03-26 10:34:27,209 INFO L241 Difference]: Finished difference. Result has 60 places, 0 transitions, 0 flow [2021-03-26 10:34:27,209 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=60, PETRI_TRANSITIONS=0} [2021-03-26 10:34:27,209 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 24 predicate places. [2021-03-26 10:34:27,209 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:27,209 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 0 transitions, 0 flow [2021-03-26 10:34:27,209 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 0 transitions, 0 flow [2021-03-26 10:34:27,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 10:34:27,209 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 10:34:27,210 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:34:27,210 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 10:34:27,210 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 10:34:27,210 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:34:27,210 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:27,210 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-26 10:34:27,211 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 10:34:27,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 108.83333333333333) internal successors, (653), 6 states have internal predecessors, (653), 0 states have call successors, (0), 0 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 10:34:27,212 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 10:34:27,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:34:27 BasicIcfg [2021-03-26 10:34:27,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:34:27,215 INFO L168 Benchmark]: Toolchain (without parser) took 5857.36 ms. Allocated memory was 255.9 MB in the beginning and 398.5 MB in the end (delta: 142.6 MB). Free memory was 234.3 MB in the beginning and 196.3 MB in the end (delta: 38.0 MB). Peak memory consumption was 180.6 MB. Max. memory is 16.0 GB. [2021-03-26 10:34:27,216 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:34:27,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.08 ms. Allocated memory was 255.9 MB in the beginning and 331.4 MB in the end (delta: 75.5 MB). Free memory was 233.7 MB in the beginning and 293.0 MB in the end (delta: -59.3 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.0 GB. [2021-03-26 10:34:27,216 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.59 ms. Allocated memory is still 331.4 MB. Free memory was 293.0 MB in the beginning and 291.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-26 10:34:27,216 INFO L168 Benchmark]: Boogie Preprocessor took 40.60 ms. Allocated memory is still 331.4 MB. Free memory was 291.0 MB in the beginning and 289.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:34:27,217 INFO L168 Benchmark]: RCFGBuilder took 359.78 ms. Allocated memory is still 331.4 MB. Free memory was 289.7 MB in the beginning and 265.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-03-26 10:34:27,217 INFO L168 Benchmark]: TraceAbstraction took 4899.46 ms. Allocated memory was 331.4 MB in the beginning and 398.5 MB in the end (delta: 67.1 MB). Free memory was 265.8 MB in the beginning and 196.3 MB in the end (delta: 69.6 MB). Peak memory consumption was 136.3 MB. Max. memory is 16.0 GB. [2021-03-26 10:34:27,221 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 497.08 ms. Allocated memory was 255.9 MB in the beginning and 331.4 MB in the end (delta: 75.5 MB). Free memory was 233.7 MB in the beginning and 293.0 MB in the end (delta: -59.3 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 54.59 ms. Allocated memory is still 331.4 MB. Free memory was 293.0 MB in the beginning and 291.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 40.60 ms. Allocated memory is still 331.4 MB. Free memory was 291.0 MB in the beginning and 289.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 359.78 ms. Allocated memory is still 331.4 MB. Free memory was 289.7 MB in the beginning and 265.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4899.46 ms. Allocated memory was 331.4 MB in the beginning and 398.5 MB in the end (delta: 67.1 MB). Free memory was 265.8 MB in the beginning and 196.3 MB in the end (delta: 69.6 MB). Peak memory consumption was 136.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1683.8ms, 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: 111, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 74, negative conditional: 0, negative unconditional: 74, 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: 600.5ms, 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: 20, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 11, negative conditional: 0, negative unconditional: 11, 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: 74.8ms, 40 PlacesBefore, 40 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 290 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 204 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 93, positive: 83, positive conditional: 83, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 93, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 93, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23, positive: 20, positive conditional: 0, positive unconditional: 20, 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: 23, positive: 13, positive conditional: 0, positive unconditional: 13, 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: 48, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 93, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 23, unknown conditional: 0, unknown unconditional: 23] , Statistics on independence cache: Total cache size (in pairs): 791, Positive cache size: 762, Positive conditional cache size: 1, Positive unconditional cache size: 761, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.9ms, 46 PlacesBefore, 46 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 352 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 246 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 88, positive: 77, positive conditional: 77, 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: 88, positive: 77, positive conditional: 0, positive unconditional: 77, 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: 88, positive: 77, positive conditional: 0, positive unconditional: 77, 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: 88, positive: 77, positive conditional: 0, positive unconditional: 77, 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): 791, Positive cache size: 762, Positive conditional cache size: 1, Positive unconditional cache size: 761, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.4ms, 51 PlacesBefore, 51 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 422 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 616 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 415, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 415, positive: 392, positive conditional: 54, positive unconditional: 338, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 415, positive: 392, positive conditional: 54, positive unconditional: 338, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 415, positive: 385, positive conditional: 54, positive unconditional: 331, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 798, Positive cache size: 769, Positive conditional cache size: 1, Positive unconditional cache size: 768, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 119 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.0ms, 56 PlacesBefore, 56 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 276 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 354 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 197, positive: 181, positive conditional: 181, 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: 197, positive: 181, positive conditional: 9, positive unconditional: 172, 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: 197, positive: 181, positive conditional: 9, positive unconditional: 172, 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: 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: 197, positive: 181, positive conditional: 9, positive unconditional: 172, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 798, Positive cache size: 769, Positive conditional cache size: 1, Positive unconditional cache size: 768, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 48 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.8ms, 54 PlacesBefore, 54 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 276 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 431 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 259, positive: 238, positive conditional: 238, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 259, positive: 238, positive conditional: 0, positive unconditional: 238, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 259, positive: 238, positive conditional: 0, positive unconditional: 238, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 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: 259, positive: 238, positive conditional: 0, positive unconditional: 238, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 798, Positive cache size: 769, Positive conditional cache size: 1, Positive unconditional cache size: 768, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 114 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 59.4ms, 56 PlacesBefore, 56 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 360 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): 798, Positive cache size: 769, Positive conditional cache size: 1, Positive unconditional cache size: 768, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 66.2ms, 59 PlacesBefore, 59 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 274 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): 798, Positive cache size: 769, Positive conditional cache size: 1, Positive unconditional cache size: 768, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.2ms, 58 PlacesBefore, 58 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 332 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): 798, Positive cache size: 769, Positive conditional cache size: 1, Positive unconditional cache size: 768, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.2ms, 61 PlacesBefore, 61 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 318 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): 798, Positive cache size: 769, Positive conditional cache size: 1, Positive unconditional cache size: 768, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 93.8ms, 63 PlacesBefore, 62 PlacesAfterwards, 46 TransitionsBefore, 45 TransitionsAfterwards, 310 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 9 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, 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: 9, positive: 9, positive conditional: 1, positive unconditional: 8, 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: 9, positive: 9, positive conditional: 1, positive unconditional: 8, 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: 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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 804, Positive cache size: 775, Positive conditional cache size: 1, Positive unconditional cache size: 774, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.6ms, 60 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): 804, Positive cache size: 775, Positive conditional cache size: 1, Positive unconditional cache size: 774, 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: 4.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 4812.8ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 907.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1783.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 73 SDtfs, 36 SDslu, 43 SDs, 0 SdLazy, 155 SolverSat, 49 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 130.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 111.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=666occurred in iteration=4, InterpolantAutomatonStates: 52, 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: 37.1ms SsaConstructionTime, 254.3ms SatisfiabilityAnalysisTime, 551.3ms InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 770 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...