/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe016_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 00:41:11,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 00:41:11,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 00:41:11,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-26 00:41:11,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 00:41:11,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 00:41:11,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 00:41:11,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 00:41:11,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 00:41:11,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 00:41:11,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 00:41:11,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 00:41:11,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 00:41:11,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 00:41:11,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 00:41:11,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 00:41:11,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 00:41:11,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 00:41:11,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 00:41:11,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 00:41:11,340 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-RepeatedSemanticLbeWithPredicates.epf [2021-03-26 00:41:11,373 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 00:41:11,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 00:41:11,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 00:41:11,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 00:41:11,374 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 00:41:11,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 00:41:11,375 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 00:41:11,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 00:41:11,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 00:41:11,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 00:41:11,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 00:41:11,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 00:41:11,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 00:41:11,376 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 00:41:11,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 00:41:11,376 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 00:41:11,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 00:41:11,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 00:41:11,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 00:41:11,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 00:41:11,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 00:41:11,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:41:11,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 00:41:11,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 00:41:11,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 00:41:11,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 00:41:11,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 00:41:11,378 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 00:41:11,378 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 00:41:11,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 00:41:11,379 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 00:41:11,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 00:41:11,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 00:41:11,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 00:41:11,691 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 00:41:11,692 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 00:41:11,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_pso.oepc.i [2021-03-26 00:41:11,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9486b178/e99662c08b30499fa23bf123e34b0cc1/FLAG3e4ffe324 [2021-03-26 00:41:12,259 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 00:41:12,260 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_pso.oepc.i [2021-03-26 00:41:12,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9486b178/e99662c08b30499fa23bf123e34b0cc1/FLAG3e4ffe324 [2021-03-26 00:41:12,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9486b178/e99662c08b30499fa23bf123e34b0cc1 [2021-03-26 00:41:12,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 00:41:12,577 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 00:41:12,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 00:41:12,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 00:41:12,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 00:41:12,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:41:12" (1/1) ... [2021-03-26 00:41:12,590 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 12:41:12, skipping insertion in model container [2021-03-26 00:41:12,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:41:12" (1/1) ... [2021-03-26 00:41:12,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 00:41:12,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 00:41:12,759 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_pso.oepc.i[950,963] [2021-03-26 00:41:12,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:41:12,912 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 00:41:12,921 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_pso.oepc.i[950,963] [2021-03-26 00:41:12,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:41:13,014 INFO L208 MainTranslator]: Completed translation [2021-03-26 00:41:13,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:41:13 WrapperNode [2021-03-26 00:41:13,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 00:41:13,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 00:41:13,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 00:41:13,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 00:41:13,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:41:13" (1/1) ... [2021-03-26 00:41:13,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:41:13" (1/1) ... [2021-03-26 00:41:13,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 00:41:13,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 00:41:13,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 00:41:13,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 00:41:13,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:41:13" (1/1) ... [2021-03-26 00:41:13,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:41:13" (1/1) ... [2021-03-26 00:41:13,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:41:13" (1/1) ... [2021-03-26 00:41:13,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:41:13" (1/1) ... [2021-03-26 00:41:13,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:41:13" (1/1) ... [2021-03-26 00:41:13,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:41:13" (1/1) ... [2021-03-26 00:41:13,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:41:13" (1/1) ... [2021-03-26 00:41:13,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 00:41:13,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 00:41:13,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 00:41:13,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 00:41:13,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:41:13" (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 00:41:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 00:41:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 00:41:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 00:41:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 00:41:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 00:41:13,172 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 00:41:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 00:41:13,173 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 00:41:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 00:41:13,173 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 00:41:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-26 00:41:13,173 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-26 00:41:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 00:41:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 00:41:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 00:41:13,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 00:41:13,175 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 00:41:13,525 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 00:41:13,525 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-26 00:41:13,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:41:13 BoogieIcfgContainer [2021-03-26 00:41:13,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 00:41:13,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 00:41:13,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 00:41:13,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 00:41:13,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 12:41:12" (1/3) ... [2021-03-26 00:41:13,533 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 12:41:13, skipping insertion in model container [2021-03-26 00:41:13,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:41:13" (2/3) ... [2021-03-26 00:41:13,533 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 12:41:13, skipping insertion in model container [2021-03-26 00:41:13,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:41:13" (3/3) ... [2021-03-26 00:41:13,535 INFO L111 eAbstractionObserver]: Analyzing ICFG safe016_pso.oepc.i [2021-03-26 00:41:13,539 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 00:41:13,543 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 00:41:13,543 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 00:41:13,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,576 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,576 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,576 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,577 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,578 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,578 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,579 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,579 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,584 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,584 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,585 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,585 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,587 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,587 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,588 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,588 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,591 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,591 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,591 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,597 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,597 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,597 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,598 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,600 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,601 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,606 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,606 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:41:13,611 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 00:41:13,627 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 00:41:13,650 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 00:41:13,650 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 00:41:13,650 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 00:41:13,650 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 00:41:13,650 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 00:41:13,650 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 00:41:13,651 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 00:41:13,651 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 00:41:13,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 85 transitions, 190 flow [2021-03-26 00:41:13,713 INFO L129 PetriNetUnfolder]: 2/81 cut-off events. [2021-03-26 00:41:13,713 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:41:13,718 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 00:41:13,718 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 85 transitions, 190 flow [2021-03-26 00:41:13,731 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 67 transitions, 146 flow [2021-03-26 00:41:13,733 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:41:13,745 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 67 transitions, 146 flow [2021-03-26 00:41:13,748 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 67 transitions, 146 flow [2021-03-26 00:41:13,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions, 146 flow [2021-03-26 00:41:13,775 INFO L129 PetriNetUnfolder]: 1/67 cut-off events. [2021-03-26 00:41:13,775 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:41:13,776 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 00:41:13,778 INFO L142 LiptonReduction]: Number of co-enabled transitions 1250 [2021-03-26 00:41:15,358 INFO L154 LiptonReduction]: Checked pairs total: 1383 [2021-03-26 00:41:15,358 INFO L156 LiptonReduction]: Total number of compositions: 44 [2021-03-26 00:41:15,360 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1628 [2021-03-26 00:41:15,370 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-26 00:41:15,370 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:41:15,370 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:41:15,371 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:41:15,371 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:41:15,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:41:15,375 INFO L82 PathProgramCache]: Analyzing trace with hash -592752111, now seen corresponding path program 1 times [2021-03-26 00:41:15,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:41:15,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097509158] [2021-03-26 00:41:15,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:41:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:41:15,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:15,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:15,575 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 00:41:15,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:41:15,584 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 00:41:15,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097509158] [2021-03-26 00:41:15,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:41:15,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:41:15,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602280876] [2021-03-26 00:41:15,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:41:15,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:41:15,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:41:15,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:41:15,605 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 129 [2021-03-26 00:41:15,611 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 00:41:15,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:41:15,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 129 [2021-03-26 00:41:15,612 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:41:15,666 INFO L129 PetriNetUnfolder]: 117/286 cut-off events. [2021-03-26 00:41:15,666 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:41:15,668 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 00:41:15,670 INFO L132 encePairwiseOnDemand]: 121/129 looper letters, 11 selfloop transitions, 7 changer transitions 0/32 dead transitions. [2021-03-26 00:41:15,670 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 32 transitions, 112 flow [2021-03-26 00:41:15,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:41:15,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:41:15,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 428 transitions. [2021-03-26 00:41:15,682 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8294573643410853 [2021-03-26 00:41:15,683 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 428 transitions. [2021-03-26 00:41:15,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 428 transitions. [2021-03-26 00:41:15,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:41:15,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 428 transitions. [2021-03-26 00:41:15,691 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 00:41:15,695 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 00:41:15,696 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 00:41:15,697 INFO L185 Difference]: Start difference. First operand has 36 places, 23 transitions, 58 flow. Second operand 4 states and 428 transitions. [2021-03-26 00:41:15,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 32 transitions, 112 flow [2021-03-26 00:41:15,700 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 00:41:15,702 INFO L241 Difference]: Finished difference. Result has 38 places, 28 transitions, 106 flow [2021-03-26 00:41:15,703 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 00:41:15,704 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 2 predicate places. [2021-03-26 00:41:15,704 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:41:15,704 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 28 transitions, 106 flow [2021-03-26 00:41:15,704 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 28 transitions, 106 flow [2021-03-26 00:41:15,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 28 transitions, 106 flow [2021-03-26 00:41:15,744 INFO L129 PetriNetUnfolder]: 99/246 cut-off events. [2021-03-26 00:41:15,744 INFO L130 PetriNetUnfolder]: For 51/65 co-relation queries the response was YES. [2021-03-26 00:41:15,745 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 00:41:15,748 INFO L142 LiptonReduction]: Number of co-enabled transitions 240 [2021-03-26 00:41:16,058 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-26 00:41:16,290 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-26 00:41:16,385 INFO L154 LiptonReduction]: Checked pairs total: 146 [2021-03-26 00:41:16,386 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 00:41:16,386 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 682 [2021-03-26 00:41:16,387 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 25 transitions, 100 flow [2021-03-26 00:41:16,388 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 00:41:16,388 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:41:16,388 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:41:16,388 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 00:41:16,388 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:41:16,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:41:16,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1195447099, now seen corresponding path program 1 times [2021-03-26 00:41:16,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:41:16,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98518983] [2021-03-26 00:41:16,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:41:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:41:16,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:16,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:16,462 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 00:41:16,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:41:16,470 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 00:41:16,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98518983] [2021-03-26 00:41:16,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:41:16,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:41:16,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123120125] [2021-03-26 00:41:16,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:41:16,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:41:16,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:41:16,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:41:16,474 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 00:41:16,474 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 00:41:16,474 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:41:16,474 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 00:41:16,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:41:16,528 INFO L129 PetriNetUnfolder]: 98/250 cut-off events. [2021-03-26 00:41:16,528 INFO L130 PetriNetUnfolder]: For 142/383 co-relation queries the response was YES. [2021-03-26 00:41:16,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 718 conditions, 250 events. 98/250 cut-off events. For 142/383 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1252 event pairs, 16 based on Foata normal form. 7/244 useless extension candidates. Maximal degree in co-relation 706. Up to 107 conditions per place. [2021-03-26 00:41:16,532 INFO L132 encePairwiseOnDemand]: 124/132 looper letters, 12 selfloop transitions, 11 changer transitions 0/35 dead transitions. [2021-03-26 00:41:16,532 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 35 transitions, 196 flow [2021-03-26 00:41:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:41:16,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:41:16,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 430 transitions. [2021-03-26 00:41:16,538 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8143939393939394 [2021-03-26 00:41:16,538 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 430 transitions. [2021-03-26 00:41:16,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 430 transitions. [2021-03-26 00:41:16,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:41:16,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 430 transitions. [2021-03-26 00:41:16,540 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 00:41:16,543 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 00:41:16,543 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 00:41:16,544 INFO L185 Difference]: Start difference. First operand has 35 places, 25 transitions, 100 flow. Second operand 4 states and 430 transitions. [2021-03-26 00:41:16,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 35 transitions, 196 flow [2021-03-26 00:41:16,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 35 transitions, 192 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 00:41:16,547 INFO L241 Difference]: Finished difference. Result has 40 places, 32 transitions, 193 flow [2021-03-26 00:41:16,547 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=193, PETRI_PLACES=40, PETRI_TRANSITIONS=32} [2021-03-26 00:41:16,547 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 4 predicate places. [2021-03-26 00:41:16,548 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:41:16,548 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 32 transitions, 193 flow [2021-03-26 00:41:16,548 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 32 transitions, 193 flow [2021-03-26 00:41:16,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 32 transitions, 193 flow [2021-03-26 00:41:16,567 INFO L129 PetriNetUnfolder]: 99/240 cut-off events. [2021-03-26 00:41:16,567 INFO L130 PetriNetUnfolder]: For 260/353 co-relation queries the response was YES. [2021-03-26 00:41:16,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 788 conditions, 240 events. 99/240 cut-off events. For 260/353 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1182 event pairs, 37 based on Foata normal form. 1/229 useless extension candidates. Maximal degree in co-relation 774. Up to 106 conditions per place. [2021-03-26 00:41:16,570 INFO L142 LiptonReduction]: Number of co-enabled transitions 266 [2021-03-26 00:41:16,601 INFO L154 LiptonReduction]: Checked pairs total: 78 [2021-03-26 00:41:16,601 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:41:16,602 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-03-26 00:41:16,603 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 32 transitions, 193 flow [2021-03-26 00:41:16,603 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 00:41:16,603 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:41:16,604 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:41:16,604 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 00:41:16,604 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:41:16,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:41:16,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1648942006, now seen corresponding path program 1 times [2021-03-26 00:41:16,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:41:16,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334032446] [2021-03-26 00:41:16,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:41:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:41:16,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:16,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:16,698 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 00:41:16,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:41:16,709 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 00:41:16,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334032446] [2021-03-26 00:41:16,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:41:16,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:41:16,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646478394] [2021-03-26 00:41:16,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:41:16,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:41:16,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:41:16,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:41:16,713 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 00:41:16,714 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 32 transitions, 193 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 00:41:16,714 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:41:16,714 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 00:41:16,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:41:16,772 INFO L129 PetriNetUnfolder]: 80/213 cut-off events. [2021-03-26 00:41:16,772 INFO L130 PetriNetUnfolder]: For 337/717 co-relation queries the response was YES. [2021-03-26 00:41:16,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 833 conditions, 213 events. 80/213 cut-off events. For 337/717 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1033 event pairs, 6 based on Foata normal form. 4/205 useless extension candidates. Maximal degree in co-relation 817. Up to 91 conditions per place. [2021-03-26 00:41:16,778 INFO L132 encePairwiseOnDemand]: 124/132 looper letters, 15 selfloop transitions, 18 changer transitions 0/45 dead transitions. [2021-03-26 00:41:16,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 45 transitions, 366 flow [2021-03-26 00:41:16,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:41:16,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:41:16,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2021-03-26 00:41:16,780 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8200757575757576 [2021-03-26 00:41:16,780 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 433 transitions. [2021-03-26 00:41:16,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 433 transitions. [2021-03-26 00:41:16,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:41:16,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 433 transitions. [2021-03-26 00:41:16,781 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 00:41:16,783 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 00:41:16,783 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 00:41:16,783 INFO L185 Difference]: Start difference. First operand has 40 places, 32 transitions, 193 flow. Second operand 4 states and 433 transitions. [2021-03-26 00:41:16,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 45 transitions, 366 flow [2021-03-26 00:41:16,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 45 transitions, 361 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 00:41:16,787 INFO L241 Difference]: Finished difference. Result has 45 places, 42 transitions, 363 flow [2021-03-26 00:41:16,787 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=363, PETRI_PLACES=45, PETRI_TRANSITIONS=42} [2021-03-26 00:41:16,787 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 9 predicate places. [2021-03-26 00:41:16,787 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:41:16,787 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 42 transitions, 363 flow [2021-03-26 00:41:16,788 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 42 transitions, 363 flow [2021-03-26 00:41:16,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 42 transitions, 363 flow [2021-03-26 00:41:16,805 INFO L129 PetriNetUnfolder]: 81/208 cut-off events. [2021-03-26 00:41:16,805 INFO L130 PetriNetUnfolder]: For 643/814 co-relation queries the response was YES. [2021-03-26 00:41:16,806 INFO L84 FinitePrefix]: Finished finitePrefix Result has 868 conditions, 208 events. 81/208 cut-off events. For 643/814 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1017 event pairs, 21 based on Foata normal form. 3/200 useless extension candidates. Maximal degree in co-relation 850. Up to 90 conditions per place. [2021-03-26 00:41:16,808 INFO L142 LiptonReduction]: Number of co-enabled transitions 324 [2021-03-26 00:41:16,842 INFO L154 LiptonReduction]: Checked pairs total: 284 [2021-03-26 00:41:16,842 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:41:16,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-03-26 00:41:16,847 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 42 transitions, 363 flow [2021-03-26 00:41:16,847 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 00:41:16,847 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:41:16,848 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:41:16,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 00:41:16,848 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:41:16,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:41:16,849 INFO L82 PathProgramCache]: Analyzing trace with hash 2018841420, now seen corresponding path program 1 times [2021-03-26 00:41:16,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:41:16,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861003241] [2021-03-26 00:41:16,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:41:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:41:16,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:16,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:16,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:16,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:16,922 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 00:41:16,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:41:16,932 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 00:41:16,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861003241] [2021-03-26 00:41:16,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:41:16,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:41:16,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740878101] [2021-03-26 00:41:16,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:41:16,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:41:16,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:41:16,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:41:16,935 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 00:41:16,936 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 42 transitions, 363 flow. Second operand has 5 states, 5 states have (on average 104.0) internal successors, (520), 5 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:41:16,936 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:41:16,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 00:41:16,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:41:16,984 INFO L129 PetriNetUnfolder]: 80/241 cut-off events. [2021-03-26 00:41:16,984 INFO L130 PetriNetUnfolder]: For 777/1299 co-relation queries the response was YES. [2021-03-26 00:41:16,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1141 conditions, 241 events. 80/241 cut-off events. For 777/1299 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1375 event pairs, 5 based on Foata normal form. 20/251 useless extension candidates. Maximal degree in co-relation 1121. Up to 94 conditions per place. [2021-03-26 00:41:16,987 INFO L132 encePairwiseOnDemand]: 124/132 looper letters, 18 selfloop transitions, 18 changer transitions 30/78 dead transitions. [2021-03-26 00:41:16,987 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 78 transitions, 888 flow [2021-03-26 00:41:16,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:41:16,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:41:16,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 541 transitions. [2021-03-26 00:41:16,989 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8196969696969697 [2021-03-26 00:41:16,989 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 541 transitions. [2021-03-26 00:41:16,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 541 transitions. [2021-03-26 00:41:16,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:41:16,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 541 transitions. [2021-03-26 00:41:16,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 108.2) internal successors, (541), 5 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:41:16,992 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 00:41:16,992 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 00:41:16,993 INFO L185 Difference]: Start difference. First operand has 45 places, 42 transitions, 363 flow. Second operand 5 states and 541 transitions. [2021-03-26 00:41:16,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 78 transitions, 888 flow [2021-03-26 00:41:16,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 78 transitions, 888 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 00:41:16,998 INFO L241 Difference]: Finished difference. Result has 51 places, 43 transitions, 425 flow [2021-03-26 00:41:16,998 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=425, PETRI_PLACES=51, PETRI_TRANSITIONS=43} [2021-03-26 00:41:16,999 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 15 predicate places. [2021-03-26 00:41:16,999 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:41:16,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 43 transitions, 425 flow [2021-03-26 00:41:16,999 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 43 transitions, 425 flow [2021-03-26 00:41:17,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 425 flow [2021-03-26 00:41:17,012 INFO L129 PetriNetUnfolder]: 39/129 cut-off events. [2021-03-26 00:41:17,012 INFO L130 PetriNetUnfolder]: For 506/563 co-relation queries the response was YES. [2021-03-26 00:41:17,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 618 conditions, 129 events. 39/129 cut-off events. For 506/563 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 568 event pairs, 11 based on Foata normal form. 1/123 useless extension candidates. Maximal degree in co-relation 596. Up to 55 conditions per place. [2021-03-26 00:41:17,014 INFO L142 LiptonReduction]: Number of co-enabled transitions 328 [2021-03-26 00:41:17,020 INFO L154 LiptonReduction]: Checked pairs total: 379 [2021-03-26 00:41:17,020 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:41:17,020 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-26 00:41:17,023 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 43 transitions, 425 flow [2021-03-26 00:41:17,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 104.0) internal successors, (520), 5 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:41:17,023 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:41:17,023 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:41:17,023 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 00:41:17,024 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:41:17,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:41:17,026 INFO L82 PathProgramCache]: Analyzing trace with hash 318883742, now seen corresponding path program 1 times [2021-03-26 00:41:17,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:41:17,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248131209] [2021-03-26 00:41:17,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:41:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:41:17,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:17,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:41:17,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:17,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:17,119 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 00:41:17,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:41:17,132 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 00:41:17,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248131209] [2021-03-26 00:41:17,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:41:17,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:41:17,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398105720] [2021-03-26 00:41:17,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:41:17,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:41:17,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:41:17,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:41:17,140 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 00:41:17,140 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 43 transitions, 425 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 00:41:17,140 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:41:17,140 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 00:41:17,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:41:17,179 INFO L129 PetriNetUnfolder]: 35/140 cut-off events. [2021-03-26 00:41:17,179 INFO L130 PetriNetUnfolder]: For 633/908 co-relation queries the response was YES. [2021-03-26 00:41:17,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 140 events. 35/140 cut-off events. For 633/908 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 693 event pairs, 3 based on Foata normal form. 20/154 useless extension candidates. Maximal degree in co-relation 707. Up to 54 conditions per place. [2021-03-26 00:41:17,181 INFO L132 encePairwiseOnDemand]: 125/132 looper letters, 15 selfloop transitions, 19 changer transitions 5/51 dead transitions. [2021-03-26 00:41:17,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 51 transitions, 598 flow [2021-03-26 00:41:17,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:41:17,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:41:17,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 429 transitions. [2021-03-26 00:41:17,183 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8125 [2021-03-26 00:41:17,183 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 429 transitions. [2021-03-26 00:41:17,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 429 transitions. [2021-03-26 00:41:17,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:41:17,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 429 transitions. [2021-03-26 00:41:17,184 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 00:41:17,186 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 00:41:17,186 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 00:41:17,186 INFO L185 Difference]: Start difference. First operand has 51 places, 43 transitions, 425 flow. Second operand 4 states and 429 transitions. [2021-03-26 00:41:17,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 51 transitions, 598 flow [2021-03-26 00:41:17,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 51 transitions, 551 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-03-26 00:41:17,191 INFO L241 Difference]: Finished difference. Result has 54 places, 44 transitions, 483 flow [2021-03-26 00:41:17,191 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=387, 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=483, PETRI_PLACES=54, PETRI_TRANSITIONS=44} [2021-03-26 00:41:17,191 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 18 predicate places. [2021-03-26 00:41:17,191 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:41:17,191 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 44 transitions, 483 flow [2021-03-26 00:41:17,192 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 44 transitions, 483 flow [2021-03-26 00:41:17,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 44 transitions, 483 flow [2021-03-26 00:41:17,203 INFO L129 PetriNetUnfolder]: 27/120 cut-off events. [2021-03-26 00:41:17,203 INFO L130 PetriNetUnfolder]: For 625/718 co-relation queries the response was YES. [2021-03-26 00:41:17,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 588 conditions, 120 events. 27/120 cut-off events. For 625/718 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 569 event pairs, 3 based on Foata normal form. 1/117 useless extension candidates. Maximal degree in co-relation 563. Up to 48 conditions per place. [2021-03-26 00:41:17,205 INFO L142 LiptonReduction]: Number of co-enabled transitions 324 [2021-03-26 00:41:17,211 INFO L154 LiptonReduction]: Checked pairs total: 339 [2021-03-26 00:41:17,211 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:41:17,211 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-03-26 00:41:17,216 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 44 transitions, 483 flow [2021-03-26 00:41:17,216 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 00:41:17,216 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:41:17,216 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:41:17,216 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 00:41:17,216 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:41:17,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:41:17,217 INFO L82 PathProgramCache]: Analyzing trace with hash -947902052, now seen corresponding path program 1 times [2021-03-26 00:41:17,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:41:17,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633125554] [2021-03-26 00:41:17,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:41:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:41:17,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:17,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:17,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:17,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:17,284 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 00:41:17,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:41:17,295 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 00:41:17,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633125554] [2021-03-26 00:41:17,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:41:17,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:41:17,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138851311] [2021-03-26 00:41:17,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:41:17,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:41:17,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:41:17,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:41:17,298 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 00:41:17,298 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 44 transitions, 483 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 00:41:17,298 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:41:17,299 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 00:41:17,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:41:17,344 INFO L129 PetriNetUnfolder]: 28/151 cut-off events. [2021-03-26 00:41:17,344 INFO L130 PetriNetUnfolder]: For 872/1198 co-relation queries the response was YES. [2021-03-26 00:41:17,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 811 conditions, 151 events. 28/151 cut-off events. For 872/1198 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 826 event pairs, 1 based on Foata normal form. 7/153 useless extension candidates. Maximal degree in co-relation 784. Up to 54 conditions per place. [2021-03-26 00:41:17,345 INFO L132 encePairwiseOnDemand]: 124/132 looper letters, 13 selfloop transitions, 14 changer transitions 23/62 dead transitions. [2021-03-26 00:41:17,345 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 62 transitions, 813 flow [2021-03-26 00:41:17,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:41:17,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:41:17,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 540 transitions. [2021-03-26 00:41:17,347 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8181818181818182 [2021-03-26 00:41:17,347 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 540 transitions. [2021-03-26 00:41:17,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 540 transitions. [2021-03-26 00:41:17,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:41:17,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 540 transitions. [2021-03-26 00:41:17,349 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 00:41:17,350 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 00:41:17,350 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 00:41:17,351 INFO L185 Difference]: Start difference. First operand has 54 places, 44 transitions, 483 flow. Second operand 5 states and 540 transitions. [2021-03-26 00:41:17,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 62 transitions, 813 flow [2021-03-26 00:41:17,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 62 transitions, 803 flow, removed 5 selfloop flow, removed 0 redundant places. [2021-03-26 00:41:17,356 INFO L241 Difference]: Finished difference. Result has 59 places, 36 transitions, 398 flow [2021-03-26 00:41:17,356 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=398, PETRI_PLACES=59, PETRI_TRANSITIONS=36} [2021-03-26 00:41:17,356 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 23 predicate places. [2021-03-26 00:41:17,356 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:41:17,357 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 36 transitions, 398 flow [2021-03-26 00:41:17,357 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 36 transitions, 398 flow [2021-03-26 00:41:17,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 36 transitions, 398 flow [2021-03-26 00:41:17,367 INFO L129 PetriNetUnfolder]: 11/78 cut-off events. [2021-03-26 00:41:17,368 INFO L130 PetriNetUnfolder]: For 522/535 co-relation queries the response was YES. [2021-03-26 00:41:17,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 418 conditions, 78 events. 11/78 cut-off events. For 522/535 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 315 event pairs, 1 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 390. Up to 24 conditions per place. [2021-03-26 00:41:17,369 INFO L142 LiptonReduction]: Number of co-enabled transitions 204 [2021-03-26 00:41:17,372 INFO L154 LiptonReduction]: Checked pairs total: 273 [2021-03-26 00:41:17,372 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:41:17,373 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-26 00:41:17,374 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 36 transitions, 398 flow [2021-03-26 00:41:17,376 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 00:41:17,376 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:41:17,376 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:41:17,376 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 00:41:17,376 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:41:17,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:41:17,377 INFO L82 PathProgramCache]: Analyzing trace with hash 289755301, now seen corresponding path program 1 times [2021-03-26 00:41:17,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:41:17,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378330281] [2021-03-26 00:41:17,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:41:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:41:17,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:17,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:41:17,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:17,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:17,439 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 00:41:17,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:41:17,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:41:17,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378330281] [2021-03-26 00:41:17,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:41:17,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:41:17,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758100789] [2021-03-26 00:41:17,451 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:41:17,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:41:17,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:41:17,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:41:17,454 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 00:41:17,455 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 36 transitions, 398 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 00:41:17,455 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:41:17,455 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 00:41:17,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:41:17,485 INFO L129 PetriNetUnfolder]: 9/75 cut-off events. [2021-03-26 00:41:17,485 INFO L130 PetriNetUnfolder]: For 555/578 co-relation queries the response was YES. [2021-03-26 00:41:17,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 75 events. 9/75 cut-off events. For 555/578 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 298 event pairs, 2 based on Foata normal form. 6/80 useless extension candidates. Maximal degree in co-relation 415. Up to 24 conditions per place. [2021-03-26 00:41:17,486 INFO L132 encePairwiseOnDemand]: 125/132 looper letters, 8 selfloop transitions, 12 changer transitions 5/37 dead transitions. [2021-03-26 00:41:17,486 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 37 transitions, 468 flow [2021-03-26 00:41:17,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:41:17,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:41:17,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 429 transitions. [2021-03-26 00:41:17,488 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8125 [2021-03-26 00:41:17,488 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 429 transitions. [2021-03-26 00:41:17,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 429 transitions. [2021-03-26 00:41:17,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:41:17,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 429 transitions. [2021-03-26 00:41:17,489 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 00:41:17,490 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 00:41:17,491 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 00:41:17,491 INFO L185 Difference]: Start difference. First operand has 59 places, 36 transitions, 398 flow. Second operand 4 states and 429 transitions. [2021-03-26 00:41:17,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 37 transitions, 468 flow [2021-03-26 00:41:17,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 37 transitions, 390 flow, removed 2 selfloop flow, removed 8 redundant places. [2021-03-26 00:41:17,497 INFO L241 Difference]: Finished difference. Result has 55 places, 32 transitions, 302 flow [2021-03-26 00:41:17,497 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=302, PETRI_PLACES=55, PETRI_TRANSITIONS=32} [2021-03-26 00:41:17,497 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 19 predicate places. [2021-03-26 00:41:17,497 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:41:17,497 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 32 transitions, 302 flow [2021-03-26 00:41:17,498 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 32 transitions, 302 flow [2021-03-26 00:41:17,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 32 transitions, 302 flow [2021-03-26 00:41:17,503 INFO L129 PetriNetUnfolder]: 7/61 cut-off events. [2021-03-26 00:41:17,503 INFO L130 PetriNetUnfolder]: For 353/362 co-relation queries the response was YES. [2021-03-26 00:41:17,504 INFO L84 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 61 events. 7/61 cut-off events. For 353/362 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 194 event pairs, 1 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 265. Up to 18 conditions per place. [2021-03-26 00:41:17,504 INFO L142 LiptonReduction]: Number of co-enabled transitions 166 [2021-03-26 00:41:17,507 INFO L154 LiptonReduction]: Checked pairs total: 207 [2021-03-26 00:41:17,507 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:41:17,507 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-26 00:41:17,511 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 32 transitions, 302 flow [2021-03-26 00:41:17,512 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 00:41:17,512 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:41:17,512 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:41:17,512 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 00:41:17,512 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:41:17,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:41:17,513 INFO L82 PathProgramCache]: Analyzing trace with hash -775758122, now seen corresponding path program 2 times [2021-03-26 00:41:17,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:41:17,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062754799] [2021-03-26 00:41:17,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:41:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:41:17,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:17,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:17,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:17,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:41:17,551 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 00:41:17,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062754799] [2021-03-26 00:41:17,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:41:17,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:41:17,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149068801] [2021-03-26 00:41:17,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:41:17,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:41:17,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:41:17,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:41:17,553 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 132 [2021-03-26 00:41:17,553 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 32 transitions, 302 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 00:41:17,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:41:17,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 132 [2021-03-26 00:41:17,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:41:17,595 INFO L129 PetriNetUnfolder]: 195/381 cut-off events. [2021-03-26 00:41:17,595 INFO L130 PetriNetUnfolder]: For 800/829 co-relation queries the response was YES. [2021-03-26 00:41:17,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1068 conditions, 381 events. 195/381 cut-off events. For 800/829 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 2022 event pairs, 97 based on Foata normal form. 3/333 useless extension candidates. Maximal degree in co-relation 1041. Up to 317 conditions per place. [2021-03-26 00:41:17,598 INFO L132 encePairwiseOnDemand]: 126/132 looper letters, 5 selfloop transitions, 5 changer transitions 0/36 dead transitions. [2021-03-26 00:41:17,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 36 transitions, 330 flow [2021-03-26 00:41:17,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:41:17,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:41:17,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 335 transitions. [2021-03-26 00:41:17,600 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8459595959595959 [2021-03-26 00:41:17,600 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 335 transitions. [2021-03-26 00:41:17,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 335 transitions. [2021-03-26 00:41:17,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:41:17,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 335 transitions. [2021-03-26 00:41:17,601 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 00:41:17,602 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 00:41:17,602 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 00:41:17,602 INFO L185 Difference]: Start difference. First operand has 55 places, 32 transitions, 302 flow. Second operand 3 states and 335 transitions. [2021-03-26 00:41:17,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 36 transitions, 330 flow [2021-03-26 00:41:17,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 36 transitions, 287 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-26 00:41:17,607 INFO L241 Difference]: Finished difference. Result has 54 places, 36 transitions, 292 flow [2021-03-26 00:41:17,607 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=54, PETRI_TRANSITIONS=36} [2021-03-26 00:41:17,607 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 18 predicate places. [2021-03-26 00:41:17,607 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:41:17,608 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 36 transitions, 292 flow [2021-03-26 00:41:17,608 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 36 transitions, 292 flow [2021-03-26 00:41:17,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 36 transitions, 292 flow [2021-03-26 00:41:17,634 INFO L129 PetriNetUnfolder]: 183/355 cut-off events. [2021-03-26 00:41:17,634 INFO L130 PetriNetUnfolder]: For 552/572 co-relation queries the response was YES. [2021-03-26 00:41:17,636 INFO L84 FinitePrefix]: Finished finitePrefix Result has 927 conditions, 355 events. 183/355 cut-off events. For 552/572 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 1851 event pairs, 92 based on Foata normal form. 1/308 useless extension candidates. Maximal degree in co-relation 903. Up to 298 conditions per place. [2021-03-26 00:41:17,638 INFO L142 LiptonReduction]: Number of co-enabled transitions 210 [2021-03-26 00:41:17,641 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 00:41:17,642 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:41:17,642 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-03-26 00:41:17,642 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 36 transitions, 292 flow [2021-03-26 00:41:17,643 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 00:41:17,643 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:41:17,643 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:41:17,643 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 00:41:17,643 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:41:17,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:41:17,644 INFO L82 PathProgramCache]: Analyzing trace with hash -157107024, now seen corresponding path program 1 times [2021-03-26 00:41:17,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:41:17,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621865759] [2021-03-26 00:41:17,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:41:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:41:17,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:17,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:17,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:17,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:17,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:17,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:41:17,690 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 00:41:17,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621865759] [2021-03-26 00:41:17,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:41:17,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:41:17,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120454230] [2021-03-26 00:41:17,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:41:17,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:41:17,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:41:17,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:41:17,692 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 132 [2021-03-26 00:41:17,693 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 36 transitions, 292 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 00:41:17,693 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:41:17,693 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 132 [2021-03-26 00:41:17,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:41:17,732 INFO L129 PetriNetUnfolder]: 120/260 cut-off events. [2021-03-26 00:41:17,732 INFO L130 PetriNetUnfolder]: For 521/740 co-relation queries the response was YES. [2021-03-26 00:41:17,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 924 conditions, 260 events. 120/260 cut-off events. For 521/740 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1238 event pairs, 26 based on Foata normal form. 39/277 useless extension candidates. Maximal degree in co-relation 898. Up to 210 conditions per place. [2021-03-26 00:41:17,734 INFO L132 encePairwiseOnDemand]: 126/132 looper letters, 5 selfloop transitions, 9 changer transitions 0/40 dead transitions. [2021-03-26 00:41:17,734 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 40 transitions, 336 flow [2021-03-26 00:41:17,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:41:17,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:41:17,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 447 transitions. [2021-03-26 00:41:17,736 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8465909090909091 [2021-03-26 00:41:17,736 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 447 transitions. [2021-03-26 00:41:17,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 447 transitions. [2021-03-26 00:41:17,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:41:17,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 447 transitions. [2021-03-26 00:41:17,737 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 00:41:17,738 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 00:41:17,739 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 00:41:17,739 INFO L185 Difference]: Start difference. First operand has 54 places, 36 transitions, 292 flow. Second operand 4 states and 447 transitions. [2021-03-26 00:41:17,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 40 transitions, 336 flow [2021-03-26 00:41:17,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 40 transitions, 331 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 00:41:17,742 INFO L241 Difference]: Finished difference. Result has 57 places, 40 transitions, 339 flow [2021-03-26 00:41:17,742 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=287, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=339, PETRI_PLACES=57, PETRI_TRANSITIONS=40} [2021-03-26 00:41:17,742 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 21 predicate places. [2021-03-26 00:41:17,742 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:41:17,743 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 40 transitions, 339 flow [2021-03-26 00:41:17,743 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 40 transitions, 339 flow [2021-03-26 00:41:17,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 40 transitions, 339 flow [2021-03-26 00:41:17,767 INFO L129 PetriNetUnfolder]: 120/260 cut-off events. [2021-03-26 00:41:17,767 INFO L130 PetriNetUnfolder]: For 534/671 co-relation queries the response was YES. [2021-03-26 00:41:17,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 952 conditions, 260 events. 120/260 cut-off events. For 534/671 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1286 event pairs, 26 based on Foata normal form. 4/249 useless extension candidates. Maximal degree in co-relation 926. Up to 210 conditions per place. [2021-03-26 00:41:17,770 INFO L142 LiptonReduction]: Number of co-enabled transitions 238 [2021-03-26 00:41:17,773 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 00:41:17,774 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:41:17,774 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-03-26 00:41:17,775 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 40 transitions, 339 flow [2021-03-26 00:41:17,775 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 00:41:17,775 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:41:17,775 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:41:17,776 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 00:41:17,776 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:41:17,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:41:17,776 INFO L82 PathProgramCache]: Analyzing trace with hash -575360590, now seen corresponding path program 1 times [2021-03-26 00:41:17,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:41:17,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862623175] [2021-03-26 00:41:17,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:41:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:41:17,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:17,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:17,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:17,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:17,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:17,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:17,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:17,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:41:17,825 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 00:41:17,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862623175] [2021-03-26 00:41:17,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:41:17,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:41:17,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269246947] [2021-03-26 00:41:17,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:41:17,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:41:17,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:41:17,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:41:17,827 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 132 [2021-03-26 00:41:17,828 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 40 transitions, 339 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 00:41:17,828 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:41:17,828 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 132 [2021-03-26 00:41:17,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:41:17,867 INFO L129 PetriNetUnfolder]: 73/171 cut-off events. [2021-03-26 00:41:17,867 INFO L130 PetriNetUnfolder]: For 410/780 co-relation queries the response was YES. [2021-03-26 00:41:17,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 782 conditions, 171 events. 73/171 cut-off events. For 410/780 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 697 event pairs, 4 based on Foata normal form. 74/230 useless extension candidates. Maximal degree in co-relation 754. Up to 134 conditions per place. [2021-03-26 00:41:17,869 INFO L132 encePairwiseOnDemand]: 126/132 looper letters, 3 selfloop transitions, 13 changer transitions 6/44 dead transitions. [2021-03-26 00:41:17,869 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 44 transitions, 399 flow [2021-03-26 00:41:17,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:41:17,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:41:17,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 559 transitions. [2021-03-26 00:41:17,871 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8469696969696969 [2021-03-26 00:41:17,871 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 559 transitions. [2021-03-26 00:41:17,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 559 transitions. [2021-03-26 00:41:17,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:41:17,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 559 transitions. [2021-03-26 00:41:17,872 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 00:41:17,873 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 00:41:17,874 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 00:41:17,874 INFO L185 Difference]: Start difference. First operand has 57 places, 40 transitions, 339 flow. Second operand 5 states and 559 transitions. [2021-03-26 00:41:17,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 44 transitions, 399 flow [2021-03-26 00:41:17,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 44 transitions, 381 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-26 00:41:17,877 INFO L241 Difference]: Finished difference. Result has 60 places, 38 transitions, 336 flow [2021-03-26 00:41:17,878 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=336, PETRI_PLACES=60, PETRI_TRANSITIONS=38} [2021-03-26 00:41:17,878 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 24 predicate places. [2021-03-26 00:41:17,878 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:41:17,878 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 38 transitions, 336 flow [2021-03-26 00:41:17,879 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 38 transitions, 336 flow [2021-03-26 00:41:17,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 38 transitions, 336 flow [2021-03-26 00:41:17,889 INFO L129 PetriNetUnfolder]: 36/104 cut-off events. [2021-03-26 00:41:17,889 INFO L130 PetriNetUnfolder]: For 297/381 co-relation queries the response was YES. [2021-03-26 00:41:17,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 463 conditions, 104 events. 36/104 cut-off events. For 297/381 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 379 event pairs, 2 based on Foata normal form. 5/100 useless extension candidates. Maximal degree in co-relation 436. Up to 69 conditions per place. [2021-03-26 00:41:17,890 INFO L142 LiptonReduction]: Number of co-enabled transitions 172 [2021-03-26 00:41:17,972 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 00:41:17,972 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:41:17,972 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 94 [2021-03-26 00:41:17,973 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 37 transitions, 334 flow [2021-03-26 00:41:17,974 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 00:41:17,974 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:41:17,974 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 00:41:17,974 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 00:41:17,974 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:41:17,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:41:17,975 INFO L82 PathProgramCache]: Analyzing trace with hash -2136816718, now seen corresponding path program 1 times [2021-03-26 00:41:17,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:41:17,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654556311] [2021-03-26 00:41:17,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:41:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:41:18,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:18,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:18,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:18,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:18,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:18,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:18,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:18,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:41:18,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:41:18,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:41:18,038 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 00:41:18,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654556311] [2021-03-26 00:41:18,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:41:18,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 00:41:18,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952951086] [2021-03-26 00:41:18,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:41:18,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:41:18,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:41:18,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:41:18,040 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 133 [2021-03-26 00:41:18,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 37 transitions, 334 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 00:41:18,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:41:18,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 133 [2021-03-26 00:41:18,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:41:18,075 INFO L129 PetriNetUnfolder]: 32/84 cut-off events. [2021-03-26 00:41:18,076 INFO L130 PetriNetUnfolder]: For 630/905 co-relation queries the response was YES. [2021-03-26 00:41:18,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 84 events. 32/84 cut-off events. For 630/905 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 269 event pairs, 0 based on Foata normal form. 41/115 useless extension candidates. Maximal degree in co-relation 406. Up to 53 conditions per place. [2021-03-26 00:41:18,076 INFO L132 encePairwiseOnDemand]: 127/133 looper letters, 0 selfloop transitions, 0 changer transitions 36/36 dead transitions. [2021-03-26 00:41:18,076 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 36 transitions, 342 flow [2021-03-26 00:41:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:41:18,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:41:18,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 664 transitions. [2021-03-26 00:41:18,079 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8320802005012531 [2021-03-26 00:41:18,079 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 664 transitions. [2021-03-26 00:41:18,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 664 transitions. [2021-03-26 00:41:18,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:41:18,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 664 transitions. [2021-03-26 00:41:18,081 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 00:41:18,082 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 00:41:18,083 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 00:41:18,083 INFO L185 Difference]: Start difference. First operand has 59 places, 37 transitions, 334 flow. Second operand 6 states and 664 transitions. [2021-03-26 00:41:18,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 36 transitions, 342 flow [2021-03-26 00:41:18,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 36 transitions, 288 flow, removed 8 selfloop flow, removed 9 redundant places. [2021-03-26 00:41:18,085 INFO L241 Difference]: Finished difference. Result has 54 places, 0 transitions, 0 flow [2021-03-26 00:41:18,085 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=54, PETRI_TRANSITIONS=0} [2021-03-26 00:41:18,085 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 18 predicate places. [2021-03-26 00:41:18,085 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:41:18,085 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 0 transitions, 0 flow [2021-03-26 00:41:18,086 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 0 transitions, 0 flow [2021-03-26 00:41:18,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 00:41:18,086 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 00:41:18,086 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:41:18,086 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 00:41:18,086 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 00:41:18,086 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 00:41:18,086 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:41:18,086 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-26 00:41:18,087 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 00:41:18,088 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 00:41:18,088 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 00:41:18,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 12:41:18 BasicIcfg [2021-03-26 00:41:18,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 00:41:18,093 INFO L168 Benchmark]: Toolchain (without parser) took 5515.89 ms. Allocated memory was 341.8 MB in the beginning and 411.0 MB in the end (delta: 69.2 MB). Free memory was 305.1 MB in the beginning and 157.4 MB in the end (delta: 147.7 MB). Peak memory consumption was 218.8 MB. Max. memory is 16.0 GB. [2021-03-26 00:41:18,093 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 341.8 MB. Free memory was 323.4 MB in the beginning and 323.3 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 00:41:18,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.73 ms. Allocated memory is still 341.8 MB. Free memory was 304.9 MB in the beginning and 304.8 MB in the end (delta: 118.4 kB). Peak memory consumption was 9.5 MB. Max. memory is 16.0 GB. [2021-03-26 00:41:18,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.48 ms. Allocated memory is still 341.8 MB. Free memory was 303.7 MB in the beginning and 302.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:41:18,094 INFO L168 Benchmark]: Boogie Preprocessor took 17.37 ms. Allocated memory is still 341.8 MB. Free memory was 302.7 MB in the beginning and 300.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:41:18,094 INFO L168 Benchmark]: RCFGBuilder took 450.26 ms. Allocated memory is still 341.8 MB. Free memory was 300.6 MB in the beginning and 274.4 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-03-26 00:41:18,094 INFO L168 Benchmark]: TraceAbstraction took 4563.20 ms. Allocated memory was 341.8 MB in the beginning and 411.0 MB in the end (delta: 69.2 MB). Free memory was 273.3 MB in the beginning and 157.4 MB in the end (delta: 116.0 MB). Peak memory consumption was 186.2 MB. Max. memory is 16.0 GB. [2021-03-26 00:41:18,099 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 341.8 MB. Free memory was 323.4 MB in the beginning and 323.3 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 436.73 ms. Allocated memory is still 341.8 MB. Free memory was 304.9 MB in the beginning and 304.8 MB in the end (delta: 118.4 kB). Peak memory consumption was 9.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 43.48 ms. Allocated memory is still 341.8 MB. Free memory was 303.7 MB in the beginning and 302.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.37 ms. Allocated memory is still 341.8 MB. Free memory was 302.7 MB in the beginning and 300.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 450.26 ms. Allocated memory is still 341.8 MB. Free memory was 300.6 MB in the beginning and 274.4 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4563.20 ms. Allocated memory was 341.8 MB in the beginning and 411.0 MB in the end (delta: 69.2 MB). Free memory was 273.3 MB in the beginning and 157.4 MB in the end (delta: 116.0 MB). Peak memory consumption was 186.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1610.3ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 117, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 874, positive: 115, positive conditional: 115, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 746, unknown conditional: 746, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 21, Positive conditional cache size: 21, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 681.3ms, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31, positive: 28, positive conditional: 6, positive unconditional: 22, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31, positive: 28, positive conditional: 6, positive unconditional: 22, 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: 31, positive: 25, positive conditional: 0, positive unconditional: 25, 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: 26, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 84, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 32, Positive conditional cache size: 32, Positive unconditional cache size: 0, Negative cache size: 7, Negative conditional cache size: 7, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.0ms, 40 PlacesBefore, 40 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 266 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 78 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 31, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 17, positive conditional: 5, positive unconditional: 12, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 17, positive conditional: 5, positive unconditional: 12, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 31, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 49, Positive conditional cache size: 49, Positive unconditional cache size: 0, Negative cache size: 9, Negative conditional cache size: 9, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.5ms, 45 PlacesBefore, 45 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 324 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 284 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 164, positive: 152, positive conditional: 152, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42, positive: 41, positive conditional: 19, positive unconditional: 22, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 42, positive: 41, positive conditional: 19, positive unconditional: 22, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 42, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 164, positive: 111, positive conditional: 111, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 42, unknown conditional: 42, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 90, Positive conditional cache size: 90, Positive unconditional cache size: 0, Negative cache size: 10, Negative conditional cache size: 10, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.0ms, 51 PlacesBefore, 51 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 328 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 379 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 205, positive: 189, positive conditional: 189, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 22, positive conditional: 13, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, positive: 22, positive conditional: 13, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, positive: 22, positive conditional: 0, positive unconditional: 22, 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: 205, positive: 167, positive conditional: 167, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 122, Positive cache size: 112, Positive conditional cache size: 112, Positive unconditional cache size: 0, Negative cache size: 10, Negative conditional cache size: 10, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.6ms, 54 PlacesBefore, 54 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 324 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 339 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 223, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 36, positive conditional: 30, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 36, positive: 36, positive conditional: 30, 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: 36, positive: 36, positive conditional: 0, positive unconditional: 36, 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: 223, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 158, Positive cache size: 148, Positive conditional cache size: 148, Positive unconditional cache size: 0, Negative cache size: 10, Negative conditional cache size: 10, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.5ms, 59 PlacesBefore, 59 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 204 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 273 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 151, positive: 136, positive conditional: 136, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 10, 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: 16, positive: 16, positive conditional: 0, positive unconditional: 16, 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: 151, positive: 120, positive conditional: 120, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 174, Positive cache size: 164, Positive conditional cache size: 164, Positive unconditional cache size: 0, Negative cache size: 10, Negative conditional cache size: 10, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.7ms, 55 PlacesBefore, 55 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 166 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 207 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 94, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 7, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 7, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 0, positive unconditional: 13, 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: 94, positive: 68, positive conditional: 68, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 177, Positive conditional cache size: 177, Positive unconditional cache size: 0, Negative cache size: 10, Negative conditional cache size: 10, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.7ms, 54 PlacesBefore, 54 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 177, Positive conditional cache size: 177, Positive unconditional cache size: 0, Negative cache size: 10, Negative conditional cache size: 10, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.8ms, 57 PlacesBefore, 57 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 238 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 177, Positive conditional cache size: 177, Positive unconditional cache size: 0, Negative cache size: 10, Negative conditional cache size: 10, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 93.5ms, 60 PlacesBefore, 59 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 172 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 174, Positive cache size: 168, Positive conditional cache size: 168, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.7ms, 54 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: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 174, Positive cache size: 168, Positive conditional cache size: 168, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 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: 3.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 4442.4ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 682.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1714.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 74 SDtfs, 40 SDslu, 51 SDs, 0 SdLazy, 161 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 144.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 122.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=483occurred in iteration=5, InterpolantAutomatonStates: 48, 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: 29.3ms SsaConstructionTime, 217.0ms SatisfiabilityAnalysisTime, 554.7ms InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 730 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...