/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/ldv-races/race-2_1-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 01:07:58,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 01:07:58,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 01:07:58,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 01:07:58,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 01:07:58,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 01:07:58,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 01:07:58,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 01:07:58,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 01:07:58,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 01:07:58,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 01:07:58,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 01:07:58,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 01:07:58,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 01:07:58,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 01:07:58,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 01:07:58,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 01:07:58,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 01:07:58,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 01:07:58,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 01:07:58,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 01:07:58,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 01:07:58,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 01:07:58,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 01:07:58,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 01:07:58,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 01:07:58,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 01:07:58,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 01:07:58,680 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 01:07:58,730 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 01:07:58,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 01:07:58,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 01:07:58,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 01:07:58,733 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 01:07:58,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 01:07:58,733 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 01:07:58,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 01:07:58,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 01:07:58,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 01:07:58,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 01:07:58,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 01:07:58,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 01:07:58,735 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 01:07:58,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 01:07:58,735 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 01:07:58,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 01:07:58,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 01:07:58,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 01:07:58,735 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 01:07:58,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 01:07:58,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 01:07:58,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 01:07:58,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 01:07:58,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 01:07:58,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 01:07:58,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 01:07:58,737 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 01:07:58,737 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 01:07:58,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 01:07:58,737 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 01:07:58,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 01:07:58,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 01:07:58,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 01:07:58,979 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 01:07:58,980 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 01:07:58,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-03-26 01:07:59,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9da2b8df6/d5c1d13064e0436abc04bfd3be03e198/FLAG37bc667d7 [2021-03-26 01:07:59,472 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 01:07:59,473 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-03-26 01:07:59,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9da2b8df6/d5c1d13064e0436abc04bfd3be03e198/FLAG37bc667d7 [2021-03-26 01:07:59,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9da2b8df6/d5c1d13064e0436abc04bfd3be03e198 [2021-03-26 01:07:59,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 01:07:59,766 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 01:07:59,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 01:07:59,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 01:07:59,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 01:07:59,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 01:07:59" (1/1) ... [2021-03-26 01:07:59,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6454edd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:07:59, skipping insertion in model container [2021-03-26 01:07:59,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 01:07:59" (1/1) ... [2021-03-26 01:07:59,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 01:07:59,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 01:08:00,154 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i[76077,76090] [2021-03-26 01:08:00,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 01:08:00,216 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 01:08:00,261 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i[76077,76090] [2021-03-26 01:08:00,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 01:08:00,456 INFO L208 MainTranslator]: Completed translation [2021-03-26 01:08:00,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:08:00 WrapperNode [2021-03-26 01:08:00,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 01:08:00,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 01:08:00,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 01:08:00,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 01:08:00,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:08:00" (1/1) ... [2021-03-26 01:08:00,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:08:00" (1/1) ... [2021-03-26 01:08:00,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 01:08:00,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 01:08:00,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 01:08:00,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 01:08:00,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:08:00" (1/1) ... [2021-03-26 01:08:00,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:08:00" (1/1) ... [2021-03-26 01:08:00,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:08:00" (1/1) ... [2021-03-26 01:08:00,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:08:00" (1/1) ... [2021-03-26 01:08:00,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:08:00" (1/1) ... [2021-03-26 01:08:00,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:08:00" (1/1) ... [2021-03-26 01:08:00,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:08:00" (1/1) ... [2021-03-26 01:08:00,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 01:08:00,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 01:08:00,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 01:08:00,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 01:08:00,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:08:00" (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 01:08:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 01:08:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-26 01:08:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-26 01:08:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-26 01:08:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 01:08:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 01:08:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-03-26 01:08:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-03-26 01:08:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 01:08:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 01:08:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 01:08:00,594 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 01:08:00,955 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 01:08:00,955 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-03-26 01:08:00,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 01:08:00 BoogieIcfgContainer [2021-03-26 01:08:00,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 01:08:00,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 01:08:00,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 01:08:00,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 01:08:00,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 01:07:59" (1/3) ... [2021-03-26 01:08:00,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da93449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 01:08:00, skipping insertion in model container [2021-03-26 01:08:00,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:08:00" (2/3) ... [2021-03-26 01:08:00,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da93449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 01:08:00, skipping insertion in model container [2021-03-26 01:08:00,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 01:08:00" (3/3) ... [2021-03-26 01:08:00,961 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2021-03-26 01:08:00,964 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 01:08:00,967 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-03-26 01:08:00,968 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 01:08:00,986 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,987 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,987 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,987 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,987 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,987 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,987 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,987 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,987 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,987 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,988 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,988 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,988 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,988 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,988 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,988 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,988 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,988 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,988 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,988 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,989 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,989 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,989 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,989 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,989 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,989 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,989 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,989 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,989 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,989 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,989 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,989 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,990 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,990 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,990 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,990 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,990 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,990 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,990 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,990 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,990 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,990 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,990 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,991 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,991 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,991 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,991 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,991 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,991 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,991 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,991 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,991 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,991 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,991 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,992 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,992 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,992 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,992 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,992 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,992 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,992 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,992 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,992 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,992 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,992 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,993 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,993 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,993 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,993 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,993 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,993 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,993 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,993 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,993 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,993 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,993 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,993 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,995 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,995 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,995 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,995 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,995 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,995 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,995 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,995 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,995 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,995 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,995 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,995 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,996 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,996 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,996 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,996 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,996 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,996 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,996 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,996 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,996 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,996 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,996 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,996 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,997 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,997 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,997 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,997 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,997 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,997 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,997 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,997 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,997 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,997 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,997 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,997 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,998 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,998 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,998 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,998 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,998 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,998 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,998 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,998 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,998 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,998 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,998 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,998 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,999 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:00,999 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,000 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,000 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,000 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,000 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,000 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,001 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,001 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,001 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,001 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,001 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,001 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,001 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,004 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,004 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,004 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,004 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,004 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,004 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,005 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,005 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,005 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,005 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,005 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,005 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:08:01,010 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-26 01:08:01,022 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-03-26 01:08:01,034 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 01:08:01,035 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 01:08:01,035 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 01:08:01,035 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 01:08:01,035 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 01:08:01,035 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 01:08:01,035 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 01:08:01,035 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 01:08:01,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 165 transitions, 352 flow [2021-03-26 01:08:01,077 INFO L129 PetriNetUnfolder]: 11/205 cut-off events. [2021-03-26 01:08:01,077 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 01:08:01,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 205 events. 11/205 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 419 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 115. Up to 4 conditions per place. [2021-03-26 01:08:01,081 INFO L82 GeneralOperation]: Start removeDead. Operand has 161 places, 165 transitions, 352 flow [2021-03-26 01:08:01,084 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 151 places, 153 transitions, 324 flow [2021-03-26 01:08:01,085 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:08:01,093 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 153 transitions, 324 flow [2021-03-26 01:08:01,095 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 153 transitions, 324 flow [2021-03-26 01:08:01,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 153 transitions, 324 flow [2021-03-26 01:08:01,118 INFO L129 PetriNetUnfolder]: 8/186 cut-off events. [2021-03-26 01:08:01,119 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 01:08:01,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 186 events. 8/186 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 360 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 105. Up to 4 conditions per place. [2021-03-26 01:08:01,127 INFO L142 LiptonReduction]: Number of co-enabled transitions 2492 [2021-03-26 01:08:12,739 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2021-03-26 01:08:17,717 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-03-26 01:08:22,508 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-26 01:08:45,599 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-03-26 01:08:55,163 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 8 [2021-03-26 01:09:12,993 INFO L154 LiptonReduction]: Checked pairs total: 3461 [2021-03-26 01:09:12,993 INFO L156 LiptonReduction]: Total number of compositions: 113 [2021-03-26 01:09:12,995 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71910 [2021-03-26 01:09:13,001 INFO L129 PetriNetUnfolder]: 0/8 cut-off events. [2021-03-26 01:09:13,001 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 01:09:13,001 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:09:13,002 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:09:13,002 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:09:13,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:09:13,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1316921901, now seen corresponding path program 1 times [2021-03-26 01:09:13,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:09:13,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142681512] [2021-03-26 01:09:13,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:09:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:09:13,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:09:13,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:09:13,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:09:13,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:09:13,243 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 01:09:13,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142681512] [2021-03-26 01:09:13,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:09:13,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 01:09:13,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374555679] [2021-03-26 01:09:13,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 01:09:13,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:09:13,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 01:09:13,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 01:09:13,258 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 278 [2021-03-26 01:09:13,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 66 transitions, 150 flow. Second operand has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 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 01:09:13,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:09:13,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 278 [2021-03-26 01:09:13,262 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:09:13,347 INFO L129 PetriNetUnfolder]: 170/401 cut-off events. [2021-03-26 01:09:13,347 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-26 01:09:13,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 401 events. 170/401 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1926 event pairs, 165 based on Foata normal form. 19/376 useless extension candidates. Maximal degree in co-relation 634. Up to 314 conditions per place. [2021-03-26 01:09:13,352 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 28 selfloop transitions, 4 changer transitions 3/65 dead transitions. [2021-03-26 01:09:13,352 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 65 transitions, 216 flow [2021-03-26 01:09:13,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 01:09:13,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 01:09:13,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2021-03-26 01:09:13,368 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7182254196642686 [2021-03-26 01:09:13,372 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 599 transitions. [2021-03-26 01:09:13,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 599 transitions. [2021-03-26 01:09:13,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:09:13,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 599 transitions. [2021-03-26 01:09:13,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 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 01:09:13,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 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 01:09:13,386 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 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 01:09:13,387 INFO L185 Difference]: Start difference. First operand has 66 places, 66 transitions, 150 flow. Second operand 3 states and 599 transitions. [2021-03-26 01:09:13,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 65 transitions, 216 flow [2021-03-26 01:09:13,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 65 transitions, 204 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 01:09:13,401 INFO L241 Difference]: Finished difference. Result has 63 places, 62 transitions, 148 flow [2021-03-26 01:09:13,402 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=63, PETRI_TRANSITIONS=62} [2021-03-26 01:09:13,403 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -3 predicate places. [2021-03-26 01:09:13,403 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:09:13,403 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 62 transitions, 148 flow [2021-03-26 01:09:13,404 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 62 transitions, 148 flow [2021-03-26 01:09:13,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 62 transitions, 148 flow [2021-03-26 01:09:13,411 INFO L129 PetriNetUnfolder]: 4/96 cut-off events. [2021-03-26 01:09:13,412 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 01:09:13,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 96 events. 4/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 263 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 43. Up to 9 conditions per place. [2021-03-26 01:09:13,414 INFO L142 LiptonReduction]: Number of co-enabled transitions 452 [2021-03-26 01:09:39,201 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 30 [2021-03-26 01:09:41,943 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-03-26 01:09:42,139 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-03-26 01:09:42,269 INFO L154 LiptonReduction]: Checked pairs total: 1240 [2021-03-26 01:09:42,269 INFO L156 LiptonReduction]: Total number of compositions: 26 [2021-03-26 01:09:42,269 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28866 [2021-03-26 01:09:42,271 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 41 transitions, 109 flow [2021-03-26 01:09:42,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 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 01:09:42,271 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:09:42,271 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:09:42,271 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 01:09:42,272 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:09:42,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:09:42,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1453419847, now seen corresponding path program 1 times [2021-03-26 01:09:42,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:09:42,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774103345] [2021-03-26 01:09:42,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:09:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:09:42,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:09:42,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:09:42,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:09:42,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:09:42,337 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 01:09:42,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774103345] [2021-03-26 01:09:42,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:09:42,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 01:09:42,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054254872] [2021-03-26 01:09:42,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 01:09:42,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:09:42,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 01:09:42,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 01:09:42,342 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 304 [2021-03-26 01:09:42,343 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 41 transitions, 109 flow. Second operand has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 0 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 01:09:42,343 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:09:42,343 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 304 [2021-03-26 01:09:42,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:09:42,425 INFO L129 PetriNetUnfolder]: 170/366 cut-off events. [2021-03-26 01:09:42,425 INFO L130 PetriNetUnfolder]: For 49/51 co-relation queries the response was YES. [2021-03-26 01:09:42,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 743 conditions, 366 events. 170/366 cut-off events. For 49/51 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1675 event pairs, 165 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 689. Up to 312 conditions per place. [2021-03-26 01:09:42,427 INFO L132 encePairwiseOnDemand]: 299/304 looper letters, 24 selfloop transitions, 4 changer transitions 1/41 dead transitions. [2021-03-26 01:09:42,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 41 transitions, 164 flow [2021-03-26 01:09:42,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 01:09:42,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 01:09:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 606 transitions. [2021-03-26 01:09:42,429 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6644736842105263 [2021-03-26 01:09:42,430 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 606 transitions. [2021-03-26 01:09:42,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 606 transitions. [2021-03-26 01:09:42,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:09:42,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 606 transitions. [2021-03-26 01:09:42,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 0 states have call successors, (0), 0 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 01:09:42,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 304.0) internal successors, (1216), 4 states have internal predecessors, (1216), 0 states have call successors, (0), 0 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 01:09:42,433 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 304.0) internal successors, (1216), 4 states have internal predecessors, (1216), 0 states have call successors, (0), 0 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 01:09:42,433 INFO L185 Difference]: Start difference. First operand has 40 places, 41 transitions, 109 flow. Second operand 3 states and 606 transitions. [2021-03-26 01:09:42,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 41 transitions, 164 flow [2021-03-26 01:09:42,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 41 transitions, 160 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 01:09:42,434 INFO L241 Difference]: Finished difference. Result has 40 places, 40 transitions, 108 flow [2021-03-26 01:09:42,434 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=108, PETRI_PLACES=40, PETRI_TRANSITIONS=40} [2021-03-26 01:09:42,434 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -26 predicate places. [2021-03-26 01:09:42,434 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:09:42,435 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 40 transitions, 108 flow [2021-03-26 01:09:42,435 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 40 transitions, 108 flow [2021-03-26 01:09:42,435 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 40 transitions, 108 flow [2021-03-26 01:09:42,439 INFO L129 PetriNetUnfolder]: 4/55 cut-off events. [2021-03-26 01:09:42,439 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 01:09:42,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 55 events. 4/55 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 128 event pairs, 1 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 41. Up to 9 conditions per place. [2021-03-26 01:09:42,439 INFO L142 LiptonReduction]: Number of co-enabled transitions 266 [2021-03-26 01:09:43,588 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2021-03-26 01:09:43,834 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-03-26 01:09:44,288 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2021-03-26 01:09:44,516 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-03-26 01:09:44,661 INFO L154 LiptonReduction]: Checked pairs total: 925 [2021-03-26 01:09:44,661 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 01:09:44,661 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2227 [2021-03-26 01:09:44,662 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 35 transitions, 98 flow [2021-03-26 01:09:44,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 0 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 01:09:44,662 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:09:44,663 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:09:44,663 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 01:09:44,663 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:09:44,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:09:44,663 INFO L82 PathProgramCache]: Analyzing trace with hash -639054003, now seen corresponding path program 1 times [2021-03-26 01:09:44,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:09:44,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453761413] [2021-03-26 01:09:44,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:09:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:09:44,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:09:44,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:09:44,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:09:44,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:09:44,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:09:44,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:09:44,720 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 01:09:44,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453761413] [2021-03-26 01:09:44,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:09:44,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 01:09:44,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498336270] [2021-03-26 01:09:44,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 01:09:44,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:09:44,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 01:09:44,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 01:09:44,726 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 311 [2021-03-26 01:09:44,726 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 35 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 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 01:09:44,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:09:44,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 311 [2021-03-26 01:09:44,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:09:44,799 INFO L129 PetriNetUnfolder]: 241/491 cut-off events. [2021-03-26 01:09:44,800 INFO L130 PetriNetUnfolder]: For 61/65 co-relation queries the response was YES. [2021-03-26 01:09:44,800 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1005 conditions, 491 events. 241/491 cut-off events. For 61/65 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2488 event pairs, 94 based on Foata normal form. 0/468 useless extension candidates. Maximal degree in co-relation 957. Up to 340 conditions per place. [2021-03-26 01:09:44,802 INFO L132 encePairwiseOnDemand]: 304/311 looper letters, 26 selfloop transitions, 7 changer transitions 0/44 dead transitions. [2021-03-26 01:09:44,802 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 44 transitions, 184 flow [2021-03-26 01:09:44,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 01:09:44,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 01:09:44,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 586 transitions. [2021-03-26 01:09:44,803 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6280814576634512 [2021-03-26 01:09:44,803 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 586 transitions. [2021-03-26 01:09:44,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 586 transitions. [2021-03-26 01:09:44,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:09:44,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 586 transitions. [2021-03-26 01:09:44,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 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 01:09:44,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 311.0) internal successors, (1244), 4 states have internal predecessors, (1244), 0 states have call successors, (0), 0 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 01:09:44,806 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 311.0) internal successors, (1244), 4 states have internal predecessors, (1244), 0 states have call successors, (0), 0 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 01:09:44,806 INFO L185 Difference]: Start difference. First operand has 35 places, 35 transitions, 98 flow. Second operand 3 states and 586 transitions. [2021-03-26 01:09:44,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 44 transitions, 184 flow [2021-03-26 01:09:44,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 44 transitions, 176 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 01:09:44,807 INFO L241 Difference]: Finished difference. Result has 36 places, 39 transitions, 131 flow [2021-03-26 01:09:44,807 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=311, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=36, PETRI_TRANSITIONS=39} [2021-03-26 01:09:44,808 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -30 predicate places. [2021-03-26 01:09:44,808 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:09:44,808 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 39 transitions, 131 flow [2021-03-26 01:09:44,808 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 39 transitions, 131 flow [2021-03-26 01:09:44,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 39 transitions, 131 flow [2021-03-26 01:09:44,815 INFO L129 PetriNetUnfolder]: 31/145 cut-off events. [2021-03-26 01:09:44,815 INFO L130 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2021-03-26 01:09:44,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 145 events. 31/145 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 684 event pairs, 8 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 78. Up to 53 conditions per place. [2021-03-26 01:09:44,816 INFO L142 LiptonReduction]: Number of co-enabled transitions 292 [2021-03-26 01:09:53,140 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 177 DAG size of output: 173 [2021-03-26 01:09:53,886 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2021-03-26 01:09:55,256 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 180 DAG size of output: 176 [2021-03-26 01:09:56,093 WARN L205 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2021-03-26 01:09:56,682 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2021-03-26 01:09:56,969 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-03-26 01:09:57,601 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 168 [2021-03-26 01:09:57,922 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-26 01:10:03,131 INFO L154 LiptonReduction]: Checked pairs total: 418 [2021-03-26 01:10:03,131 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 01:10:03,132 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18324 [2021-03-26 01:10:03,132 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 38 transitions, 131 flow [2021-03-26 01:10:03,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 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 01:10:03,133 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:03,133 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 01:10:03,133 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 01:10:03,133 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:03,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:03,133 INFO L82 PathProgramCache]: Analyzing trace with hash -676265951, now seen corresponding path program 1 times [2021-03-26 01:10:03,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:03,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903952809] [2021-03-26 01:10:03,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:03,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:03,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:10:03,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:03,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:10:03,369 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 01:10:03,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903952809] [2021-03-26 01:10:03,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:03,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 01:10:03,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431437250] [2021-03-26 01:10:03,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 01:10:03,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:03,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 01:10:03,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 01:10:03,371 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 313 [2021-03-26 01:10:03,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 38 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 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 01:10:03,372 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:03,372 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 313 [2021-03-26 01:10:03,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:03,467 INFO L129 PetriNetUnfolder]: 268/540 cut-off events. [2021-03-26 01:10:03,467 INFO L130 PetriNetUnfolder]: For 258/266 co-relation queries the response was YES. [2021-03-26 01:10:03,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1408 conditions, 540 events. 268/540 cut-off events. For 258/266 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2851 event pairs, 106 based on Foata normal form. 32/565 useless extension candidates. Maximal degree in co-relation 295. Up to 376 conditions per place. [2021-03-26 01:10:03,469 INFO L132 encePairwiseOnDemand]: 307/313 looper letters, 27 selfloop transitions, 9 changer transitions 3/50 dead transitions. [2021-03-26 01:10:03,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 50 transitions, 259 flow [2021-03-26 01:10:03,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 01:10:03,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 01:10:03,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 584 transitions. [2021-03-26 01:10:03,471 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6219382321618744 [2021-03-26 01:10:03,471 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 584 transitions. [2021-03-26 01:10:03,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 584 transitions. [2021-03-26 01:10:03,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:03,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 584 transitions. [2021-03-26 01:10:03,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 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 01:10:03,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 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 01:10:03,474 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 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 01:10:03,474 INFO L185 Difference]: Start difference. First operand has 35 places, 38 transitions, 131 flow. Second operand 3 states and 584 transitions. [2021-03-26 01:10:03,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 50 transitions, 259 flow [2021-03-26 01:10:03,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 50 transitions, 244 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-26 01:10:03,478 INFO L241 Difference]: Finished difference. Result has 37 places, 43 transitions, 187 flow [2021-03-26 01:10:03,479 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=187, PETRI_PLACES=37, PETRI_TRANSITIONS=43} [2021-03-26 01:10:03,479 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -29 predicate places. [2021-03-26 01:10:03,479 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:03,479 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 43 transitions, 187 flow [2021-03-26 01:10:03,479 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 43 transitions, 187 flow [2021-03-26 01:10:03,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 43 transitions, 187 flow [2021-03-26 01:10:03,495 INFO L129 PetriNetUnfolder]: 74/220 cut-off events. [2021-03-26 01:10:03,495 INFO L130 PetriNetUnfolder]: For 128/130 co-relation queries the response was YES. [2021-03-26 01:10:03,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 530 conditions, 220 events. 74/220 cut-off events. For 128/130 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1122 event pairs, 16 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 190. Up to 113 conditions per place. [2021-03-26 01:10:03,497 INFO L142 LiptonReduction]: Number of co-enabled transitions 312 [2021-03-26 01:10:03,663 INFO L154 LiptonReduction]: Checked pairs total: 641 [2021-03-26 01:10:03,664 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 01:10:03,664 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 185 [2021-03-26 01:10:03,664 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 42 transitions, 185 flow [2021-03-26 01:10:03,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 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 01:10:03,665 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:03,665 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:03,665 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 01:10:03,665 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:03,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:03,665 INFO L82 PathProgramCache]: Analyzing trace with hash 877661359, now seen corresponding path program 1 times [2021-03-26 01:10:03,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:03,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114872839] [2021-03-26 01:10:03,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:03,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:03,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:10:03,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:03,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:10:03,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:03,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:10:03,694 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 01:10:03,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114872839] [2021-03-26 01:10:03,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:03,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 01:10:03,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927009376] [2021-03-26 01:10:03,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 01:10:03,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:03,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 01:10:03,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 01:10:03,696 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 315 [2021-03-26 01:10:03,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 42 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 0 states have call successors, (0), 0 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 01:10:03,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:03,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 315 [2021-03-26 01:10:03,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:03,713 INFO L129 PetriNetUnfolder]: 6/48 cut-off events. [2021-03-26 01:10:03,713 INFO L130 PetriNetUnfolder]: For 38/47 co-relation queries the response was YES. [2021-03-26 01:10:03,713 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 48 events. 6/48 cut-off events. For 38/47 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 122 event pairs, 4 based on Foata normal form. 16/62 useless extension candidates. Maximal degree in co-relation 85. Up to 14 conditions per place. [2021-03-26 01:10:03,713 INFO L132 encePairwiseOnDemand]: 313/315 looper letters, 1 selfloop transitions, 1 changer transitions 0/25 dead transitions. [2021-03-26 01:10:03,713 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 25 transitions, 86 flow [2021-03-26 01:10:03,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 01:10:03,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 01:10:03,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 774 transitions. [2021-03-26 01:10:03,715 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.819047619047619 [2021-03-26 01:10:03,715 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 774 transitions. [2021-03-26 01:10:03,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 774 transitions. [2021-03-26 01:10:03,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:03,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 774 transitions. [2021-03-26 01:10:03,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 0 states have call successors, (0), 0 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 01:10:03,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 315.0) internal successors, (1260), 4 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 01:10:03,718 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 315.0) internal successors, (1260), 4 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 01:10:03,718 INFO L185 Difference]: Start difference. First operand has 36 places, 42 transitions, 185 flow. Second operand 3 states and 774 transitions. [2021-03-26 01:10:03,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 25 transitions, 86 flow [2021-03-26 01:10:03,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 25 transitions, 78 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-26 01:10:03,719 INFO L241 Difference]: Finished difference. Result has 30 places, 25 transitions, 76 flow [2021-03-26 01:10:03,719 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=30, PETRI_TRANSITIONS=25} [2021-03-26 01:10:03,720 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -36 predicate places. [2021-03-26 01:10:03,720 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:03,720 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 25 transitions, 76 flow [2021-03-26 01:10:03,720 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 25 transitions, 76 flow [2021-03-26 01:10:03,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 25 transitions, 76 flow [2021-03-26 01:10:03,723 INFO L129 PetriNetUnfolder]: 6/51 cut-off events. [2021-03-26 01:10:03,723 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 01:10:03,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 51 events. 6/51 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 138 event pairs, 2 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 52. Up to 13 conditions per place. [2021-03-26 01:10:03,724 INFO L142 LiptonReduction]: Number of co-enabled transitions 140 [2021-03-26 01:10:03,730 INFO L154 LiptonReduction]: Checked pairs total: 64 [2021-03-26 01:10:03,731 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:03,731 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-26 01:10:03,731 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 25 transitions, 76 flow [2021-03-26 01:10:03,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 0 states have call successors, (0), 0 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 01:10:03,732 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:03,732 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:03,732 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 01:10:03,732 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:03,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:03,732 INFO L82 PathProgramCache]: Analyzing trace with hash -825115049, now seen corresponding path program 1 times [2021-03-26 01:10:03,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:03,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684035049] [2021-03-26 01:10:03,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:03,798 INFO L142 QuantifierPusher]: treesize reduction 7, result has 30.0 percent of original size [2021-03-26 01:10:03,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:10:03,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:03,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 01:10:03,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:03,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 01:10:03,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:03,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 01:10:03,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:03,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:10:03,826 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 01:10:03,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684035049] [2021-03-26 01:10:03,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:03,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 01:10:03,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665676040] [2021-03-26 01:10:03,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 01:10:03,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:03,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 01:10:03,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 01:10:03,828 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 315 [2021-03-26 01:10:03,829 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 25 transitions, 76 flow. Second operand has 6 states, 6 states have (on average 249.66666666666666) internal successors, (1498), 6 states have internal predecessors, (1498), 0 states have call successors, (0), 0 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 01:10:03,829 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:03,830 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 315 [2021-03-26 01:10:03,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:03,903 INFO L129 PetriNetUnfolder]: 14/84 cut-off events. [2021-03-26 01:10:03,903 INFO L130 PetriNetUnfolder]: For 7/10 co-relation queries the response was YES. [2021-03-26 01:10:03,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 84 events. 14/84 cut-off events. For 7/10 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 307 event pairs, 4 based on Foata normal form. 6/86 useless extension candidates. Maximal degree in co-relation 122. Up to 20 conditions per place. [2021-03-26 01:10:03,904 INFO L132 encePairwiseOnDemand]: 308/315 looper letters, 11 selfloop transitions, 6 changer transitions 0/32 dead transitions. [2021-03-26 01:10:03,904 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 32 transitions, 128 flow [2021-03-26 01:10:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 01:10:03,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 01:10:03,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1506 transitions. [2021-03-26 01:10:03,906 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7968253968253968 [2021-03-26 01:10:03,906 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1506 transitions. [2021-03-26 01:10:03,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1506 transitions. [2021-03-26 01:10:03,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:03,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1506 transitions. [2021-03-26 01:10:03,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 251.0) internal successors, (1506), 6 states have internal predecessors, (1506), 0 states have call successors, (0), 0 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 01:10:03,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 315.0) internal successors, (2205), 7 states have internal predecessors, (2205), 0 states have call successors, (0), 0 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 01:10:03,912 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 315.0) internal successors, (2205), 7 states have internal predecessors, (2205), 0 states have call successors, (0), 0 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 01:10:03,912 INFO L185 Difference]: Start difference. First operand has 29 places, 25 transitions, 76 flow. Second operand 6 states and 1506 transitions. [2021-03-26 01:10:03,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 32 transitions, 128 flow [2021-03-26 01:10:03,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 32 transitions, 127 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 01:10:03,913 INFO L241 Difference]: Finished difference. Result has 34 places, 27 transitions, 100 flow [2021-03-26 01:10:03,913 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=100, PETRI_PLACES=34, PETRI_TRANSITIONS=27} [2021-03-26 01:10:03,913 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -32 predicate places. [2021-03-26 01:10:03,913 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:03,913 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 27 transitions, 100 flow [2021-03-26 01:10:03,914 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 27 transitions, 100 flow [2021-03-26 01:10:03,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 27 transitions, 100 flow [2021-03-26 01:10:03,918 INFO L129 PetriNetUnfolder]: 10/72 cut-off events. [2021-03-26 01:10:03,918 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-26 01:10:03,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 72 events. 10/72 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 239 event pairs, 4 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 73. Up to 18 conditions per place. [2021-03-26 01:10:03,919 INFO L142 LiptonReduction]: Number of co-enabled transitions 136 [2021-03-26 01:10:08,550 INFO L154 LiptonReduction]: Checked pairs total: 83 [2021-03-26 01:10:08,550 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 01:10:08,551 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4638 [2021-03-26 01:10:08,551 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 27 transitions, 102 flow [2021-03-26 01:10:08,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 249.66666666666666) internal successors, (1498), 6 states have internal predecessors, (1498), 0 states have call successors, (0), 0 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 01:10:08,552 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:08,552 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:08,552 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 01:10:08,552 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:08,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:08,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1347169675, now seen corresponding path program 1 times [2021-03-26 01:10:08,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:08,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393406506] [2021-03-26 01:10:08,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:08,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:08,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 01:10:08,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:08,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 01:10:08,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:08,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 01:10:08,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:08,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 01:10:08,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:08,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 01:10:08,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:08,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 01:10:08,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:08,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 01:10:08,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:08,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 01:10:08,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:08,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 01:10:08,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:08,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 01:10:08,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:08,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:10:08,672 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 01:10:08,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393406506] [2021-03-26 01:10:08,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:08,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 01:10:08,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725801759] [2021-03-26 01:10:08,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 01:10:08,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:08,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 01:10:08,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-26 01:10:08,674 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 316 [2021-03-26 01:10:08,675 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 27 transitions, 102 flow. Second operand has 8 states, 8 states have (on average 160.125) internal successors, (1281), 8 states have internal predecessors, (1281), 0 states have call successors, (0), 0 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 01:10:08,675 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:08,675 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 316 [2021-03-26 01:10:08,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:09,004 INFO L129 PetriNetUnfolder]: 121/288 cut-off events. [2021-03-26 01:10:09,004 INFO L130 PetriNetUnfolder]: For 130/130 co-relation queries the response was YES. [2021-03-26 01:10:09,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 790 conditions, 288 events. 121/288 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1249 event pairs, 25 based on Foata normal form. 6/293 useless extension candidates. Maximal degree in co-relation 548. Up to 165 conditions per place. [2021-03-26 01:10:09,006 INFO L132 encePairwiseOnDemand]: 307/316 looper letters, 44 selfloop transitions, 16 changer transitions 0/64 dead transitions. [2021-03-26 01:10:09,006 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 64 transitions, 364 flow [2021-03-26 01:10:09,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 01:10:09,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 01:10:09,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1636 transitions. [2021-03-26 01:10:09,009 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5177215189873418 [2021-03-26 01:10:09,009 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1636 transitions. [2021-03-26 01:10:09,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1636 transitions. [2021-03-26 01:10:09,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:09,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1636 transitions. [2021-03-26 01:10:09,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 163.6) internal successors, (1636), 10 states have internal predecessors, (1636), 0 states have call successors, (0), 0 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 01:10:09,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 316.0) internal successors, (3476), 11 states have internal predecessors, (3476), 0 states have call successors, (0), 0 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 01:10:09,015 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 316.0) internal successors, (3476), 11 states have internal predecessors, (3476), 0 states have call successors, (0), 0 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 01:10:09,015 INFO L185 Difference]: Start difference. First operand has 34 places, 27 transitions, 102 flow. Second operand 10 states and 1636 transitions. [2021-03-26 01:10:09,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 64 transitions, 364 flow [2021-03-26 01:10:09,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 64 transitions, 350 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 01:10:09,017 INFO L241 Difference]: Finished difference. Result has 40 places, 40 transitions, 185 flow [2021-03-26 01:10:09,017 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=185, PETRI_PLACES=40, PETRI_TRANSITIONS=40} [2021-03-26 01:10:09,017 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -26 predicate places. [2021-03-26 01:10:09,017 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:09,017 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 40 transitions, 185 flow [2021-03-26 01:10:09,018 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 40 transitions, 185 flow [2021-03-26 01:10:09,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 40 transitions, 185 flow [2021-03-26 01:10:09,024 INFO L129 PetriNetUnfolder]: 28/130 cut-off events. [2021-03-26 01:10:09,025 INFO L130 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2021-03-26 01:10:09,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 130 events. 28/130 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 599 event pairs, 6 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 170. Up to 36 conditions per place. [2021-03-26 01:10:09,025 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 01:10:09,279 INFO L154 LiptonReduction]: Checked pairs total: 162 [2021-03-26 01:10:09,279 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 01:10:09,280 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 263 [2021-03-26 01:10:09,280 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 40 transitions, 189 flow [2021-03-26 01:10:09,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 160.125) internal successors, (1281), 8 states have internal predecessors, (1281), 0 states have call successors, (0), 0 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 01:10:09,281 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:09,281 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:09,281 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 01:10:09,281 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:09,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:09,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1778041358, now seen corresponding path program 1 times [2021-03-26 01:10:09,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:09,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073474555] [2021-03-26 01:10:09,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:09,358 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 01:10:09,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 01:10:09,368 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 01:10:09,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 01:10:09,378 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 01:10:09,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:10:09,393 INFO L142 QuantifierPusher]: treesize reduction 19, result has 60.4 percent of original size [2021-03-26 01:10:09,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:09,418 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-03-26 01:10:09,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 01:10:09,451 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-03-26 01:10:09,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 01:10:09,456 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-03-26 01:10:09,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 01:10:09,468 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-03-26 01:10:09,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 01:10:09,471 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 01:10:09,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:10:09,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:10:09,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073474555] [2021-03-26 01:10:09,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:09,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 01:10:09,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357568280] [2021-03-26 01:10:09,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 01:10:09,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:09,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 01:10:09,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 01:10:09,486 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 318 [2021-03-26 01:10:09,486 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 40 transitions, 189 flow. Second operand has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 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 01:10:09,487 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:09,487 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 318 [2021-03-26 01:10:09,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:09,763 INFO L129 PetriNetUnfolder]: 155/381 cut-off events. [2021-03-26 01:10:09,764 INFO L130 PetriNetUnfolder]: For 249/260 co-relation queries the response was YES. [2021-03-26 01:10:09,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1110 conditions, 381 events. 155/381 cut-off events. For 249/260 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1899 event pairs, 24 based on Foata normal form. 3/377 useless extension candidates. Maximal degree in co-relation 712. Up to 165 conditions per place. [2021-03-26 01:10:09,765 INFO L132 encePairwiseOnDemand]: 309/318 looper letters, 48 selfloop transitions, 16 changer transitions 0/75 dead transitions. [2021-03-26 01:10:09,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 75 transitions, 448 flow [2021-03-26 01:10:09,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 01:10:09,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 01:10:09,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1123 transitions. [2021-03-26 01:10:09,768 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.504492362982929 [2021-03-26 01:10:09,768 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1123 transitions. [2021-03-26 01:10:09,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1123 transitions. [2021-03-26 01:10:09,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:09,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1123 transitions. [2021-03-26 01:10:09,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 160.42857142857142) internal successors, (1123), 7 states have internal predecessors, (1123), 0 states have call successors, (0), 0 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 01:10:09,772 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 318.0) internal successors, (2544), 8 states have internal predecessors, (2544), 0 states have call successors, (0), 0 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 01:10:09,773 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 318.0) internal successors, (2544), 8 states have internal predecessors, (2544), 0 states have call successors, (0), 0 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 01:10:09,773 INFO L185 Difference]: Start difference. First operand has 40 places, 40 transitions, 189 flow. Second operand 7 states and 1123 transitions. [2021-03-26 01:10:09,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 75 transitions, 448 flow [2021-03-26 01:10:09,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 75 transitions, 438 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-26 01:10:09,774 INFO L241 Difference]: Finished difference. Result has 48 places, 47 transitions, 264 flow [2021-03-26 01:10:09,775 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=264, PETRI_PLACES=48, PETRI_TRANSITIONS=47} [2021-03-26 01:10:09,775 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -18 predicate places. [2021-03-26 01:10:09,775 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:09,775 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 47 transitions, 264 flow [2021-03-26 01:10:09,775 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 47 transitions, 264 flow [2021-03-26 01:10:09,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 47 transitions, 264 flow [2021-03-26 01:10:09,785 INFO L129 PetriNetUnfolder]: 42/195 cut-off events. [2021-03-26 01:10:09,785 INFO L130 PetriNetUnfolder]: For 152/155 co-relation queries the response was YES. [2021-03-26 01:10:09,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 475 conditions, 195 events. 42/195 cut-off events. For 152/155 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1081 event pairs, 10 based on Foata normal form. 1/190 useless extension candidates. Maximal degree in co-relation 297. Up to 51 conditions per place. [2021-03-26 01:10:09,786 INFO L142 LiptonReduction]: Number of co-enabled transitions 164 [2021-03-26 01:10:09,807 INFO L154 LiptonReduction]: Checked pairs total: 112 [2021-03-26 01:10:09,807 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:09,808 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-03-26 01:10:09,808 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 47 transitions, 264 flow [2021-03-26 01:10:09,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 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 01:10:09,809 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:09,809 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:09,809 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 01:10:09,809 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:09,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:09,809 INFO L82 PathProgramCache]: Analyzing trace with hash 11503838, now seen corresponding path program 1 times [2021-03-26 01:10:09,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:09,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976253335] [2021-03-26 01:10:09,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:09,879 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 01:10:09,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 01:10:09,888 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 01:10:09,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 01:10:09,897 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 01:10:09,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:10:09,909 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-03-26 01:10:09,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:09,937 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-03-26 01:10:09,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 01:10:09,977 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-03-26 01:10:09,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 01:10:09,989 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-03-26 01:10:09,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 01:10:09,991 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 01:10:09,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:10:10,002 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 01:10:10,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:10:10,003 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 01:10:10,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976253335] [2021-03-26 01:10:10,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:10,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 01:10:10,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100973518] [2021-03-26 01:10:10,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 01:10:10,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:10,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 01:10:10,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 01:10:10,005 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 318 [2021-03-26 01:10:10,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 47 transitions, 264 flow. Second operand has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 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 01:10:10,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:10,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 318 [2021-03-26 01:10:10,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:10,283 INFO L129 PetriNetUnfolder]: 196/542 cut-off events. [2021-03-26 01:10:10,283 INFO L130 PetriNetUnfolder]: For 773/786 co-relation queries the response was YES. [2021-03-26 01:10:10,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1691 conditions, 542 events. 196/542 cut-off events. For 773/786 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3281 event pairs, 49 based on Foata normal form. 7/545 useless extension candidates. Maximal degree in co-relation 824. Up to 247 conditions per place. [2021-03-26 01:10:10,286 INFO L132 encePairwiseOnDemand]: 310/318 looper letters, 56 selfloop transitions, 20 changer transitions 0/84 dead transitions. [2021-03-26 01:10:10,286 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 84 transitions, 593 flow [2021-03-26 01:10:10,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 01:10:10,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 01:10:10,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1120 transitions. [2021-03-26 01:10:10,289 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5031446540880503 [2021-03-26 01:10:10,289 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1120 transitions. [2021-03-26 01:10:10,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1120 transitions. [2021-03-26 01:10:10,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:10,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1120 transitions. [2021-03-26 01:10:10,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 160.0) internal successors, (1120), 7 states have internal predecessors, (1120), 0 states have call successors, (0), 0 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 01:10:10,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 318.0) internal successors, (2544), 8 states have internal predecessors, (2544), 0 states have call successors, (0), 0 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 01:10:10,294 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 318.0) internal successors, (2544), 8 states have internal predecessors, (2544), 0 states have call successors, (0), 0 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 01:10:10,294 INFO L185 Difference]: Start difference. First operand has 48 places, 47 transitions, 264 flow. Second operand 7 states and 1120 transitions. [2021-03-26 01:10:10,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 84 transitions, 593 flow [2021-03-26 01:10:10,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 84 transitions, 574 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 01:10:10,297 INFO L241 Difference]: Finished difference. Result has 54 places, 55 transitions, 355 flow [2021-03-26 01:10:10,297 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=355, PETRI_PLACES=54, PETRI_TRANSITIONS=55} [2021-03-26 01:10:10,297 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -12 predicate places. [2021-03-26 01:10:10,297 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:10,297 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 55 transitions, 355 flow [2021-03-26 01:10:10,297 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 55 transitions, 355 flow [2021-03-26 01:10:10,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 55 transitions, 355 flow [2021-03-26 01:10:10,312 INFO L129 PetriNetUnfolder]: 56/287 cut-off events. [2021-03-26 01:10:10,313 INFO L130 PetriNetUnfolder]: For 345/353 co-relation queries the response was YES. [2021-03-26 01:10:10,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 763 conditions, 287 events. 56/287 cut-off events. For 345/353 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1855 event pairs, 12 based on Foata normal form. 4/283 useless extension candidates. Maximal degree in co-relation 464. Up to 77 conditions per place. [2021-03-26 01:10:10,314 INFO L142 LiptonReduction]: Number of co-enabled transitions 186 [2021-03-26 01:10:10,328 INFO L154 LiptonReduction]: Checked pairs total: 118 [2021-03-26 01:10:10,328 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:10,328 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-03-26 01:10:10,329 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 55 transitions, 355 flow [2021-03-26 01:10:10,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 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 01:10:10,329 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:10,329 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:10,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 01:10:10,330 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:10,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:10,330 INFO L82 PathProgramCache]: Analyzing trace with hash 11503846, now seen corresponding path program 1 times [2021-03-26 01:10:10,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:10,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315572973] [2021-03-26 01:10:10,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:10,443 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-26 01:10:10,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:10,455 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.1 percent of original size [2021-03-26 01:10:10,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:10:10,488 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size [2021-03-26 01:10:10,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:10,516 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size [2021-03-26 01:10:10,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:10,544 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.0 percent of original size [2021-03-26 01:10:10,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 01:10:10,575 INFO L142 QuantifierPusher]: treesize reduction 25, result has 68.8 percent of original size [2021-03-26 01:10:10,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 01:10:10,625 INFO L142 QuantifierPusher]: treesize reduction 25, result has 66.2 percent of original size [2021-03-26 01:10:10,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:10:10,668 INFO L142 QuantifierPusher]: treesize reduction 25, result has 71.9 percent of original size [2021-03-26 01:10:10,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 01:10:10,719 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-26 01:10:10,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:10,742 INFO L142 QuantifierPusher]: treesize reduction 23, result has 71.6 percent of original size [2021-03-26 01:10:10,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 01:10:10,785 INFO L142 QuantifierPusher]: treesize reduction 23, result has 67.6 percent of original size [2021-03-26 01:10:10,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 01:10:10,802 INFO L142 QuantifierPusher]: treesize reduction 42, result has 52.3 percent of original size [2021-03-26 01:10:10,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 01:10:10,845 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-03-26 01:10:10,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:10:10,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:10,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:10,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:10,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:10,899 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 01:10:10,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315572973] [2021-03-26 01:10:10,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:10,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-26 01:10:10,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471360068] [2021-03-26 01:10:10,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 01:10:10,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:10,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 01:10:10,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-03-26 01:10:10,903 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 318 [2021-03-26 01:10:10,904 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 55 transitions, 355 flow. Second operand has 15 states, 15 states have (on average 140.13333333333333) internal successors, (2102), 15 states have internal predecessors, (2102), 0 states have call successors, (0), 0 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 01:10:10,904 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:10,904 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 318 [2021-03-26 01:10:10,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:11,907 INFO L129 PetriNetUnfolder]: 282/708 cut-off events. [2021-03-26 01:10:11,908 INFO L130 PetriNetUnfolder]: For 1414/1418 co-relation queries the response was YES. [2021-03-26 01:10:11,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2478 conditions, 708 events. 282/708 cut-off events. For 1414/1418 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 4233 event pairs, 105 based on Foata normal form. 1/699 useless extension candidates. Maximal degree in co-relation 1319. Up to 525 conditions per place. [2021-03-26 01:10:11,912 INFO L132 encePairwiseOnDemand]: 303/318 looper letters, 69 selfloop transitions, 35 changer transitions 8/116 dead transitions. [2021-03-26 01:10:11,912 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 116 transitions, 937 flow [2021-03-26 01:10:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 01:10:11,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 01:10:11,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1884 transitions. [2021-03-26 01:10:11,916 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45573294629898403 [2021-03-26 01:10:11,917 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1884 transitions. [2021-03-26 01:10:11,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1884 transitions. [2021-03-26 01:10:11,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:11,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1884 transitions. [2021-03-26 01:10:11,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 144.92307692307693) internal successors, (1884), 13 states have internal predecessors, (1884), 0 states have call successors, (0), 0 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 01:10:11,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 318.0) internal successors, (4452), 14 states have internal predecessors, (4452), 0 states have call successors, (0), 0 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 01:10:11,924 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 318.0) internal successors, (4452), 14 states have internal predecessors, (4452), 0 states have call successors, (0), 0 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 01:10:11,924 INFO L185 Difference]: Start difference. First operand has 54 places, 55 transitions, 355 flow. Second operand 13 states and 1884 transitions. [2021-03-26 01:10:11,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 116 transitions, 937 flow [2021-03-26 01:10:11,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 116 transitions, 902 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 01:10:11,928 INFO L241 Difference]: Finished difference. Result has 71 places, 87 transitions, 711 flow [2021-03-26 01:10:11,929 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=711, PETRI_PLACES=71, PETRI_TRANSITIONS=87} [2021-03-26 01:10:11,929 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 5 predicate places. [2021-03-26 01:10:11,929 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:11,929 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 87 transitions, 711 flow [2021-03-26 01:10:11,930 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 87 transitions, 711 flow [2021-03-26 01:10:11,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 87 transitions, 711 flow [2021-03-26 01:10:11,951 INFO L129 PetriNetUnfolder]: 78/365 cut-off events. [2021-03-26 01:10:11,951 INFO L130 PetriNetUnfolder]: For 654/660 co-relation queries the response was YES. [2021-03-26 01:10:11,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1169 conditions, 365 events. 78/365 cut-off events. For 654/660 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2435 event pairs, 5 based on Foata normal form. 2/359 useless extension candidates. Maximal degree in co-relation 1144. Up to 104 conditions per place. [2021-03-26 01:10:11,954 INFO L142 LiptonReduction]: Number of co-enabled transitions 218 [2021-03-26 01:10:11,986 INFO L154 LiptonReduction]: Checked pairs total: 282 [2021-03-26 01:10:11,986 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:11,986 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-03-26 01:10:11,987 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 87 transitions, 711 flow [2021-03-26 01:10:11,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 140.13333333333333) internal successors, (2102), 15 states have internal predecessors, (2102), 0 states have call successors, (0), 0 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 01:10:11,987 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:11,987 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:11,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 01:10:11,988 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:11,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:11,988 INFO L82 PathProgramCache]: Analyzing trace with hash 455678713, now seen corresponding path program 1 times [2021-03-26 01:10:11,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:11,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604208814] [2021-03-26 01:10:11,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:12,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:12,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 01:10:12,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:12,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 01:10:12,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:12,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 01:10:12,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:12,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:10:12,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:12,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:12,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:12,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:10:12,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:12,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 01:10:12,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:12,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 01:10:12,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:12,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:10:12,088 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 01:10:12,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604208814] [2021-03-26 01:10:12,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:12,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 01:10:12,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619189593] [2021-03-26 01:10:12,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 01:10:12,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:12,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 01:10:12,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 01:10:12,090 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 318 [2021-03-26 01:10:12,091 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 87 transitions, 711 flow. Second operand has 7 states, 7 states have (on average 160.28571428571428) internal successors, (1122), 7 states have internal predecessors, (1122), 0 states have call successors, (0), 0 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 01:10:12,091 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:12,091 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 318 [2021-03-26 01:10:12,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:12,360 INFO L129 PetriNetUnfolder]: 358/855 cut-off events. [2021-03-26 01:10:12,362 INFO L130 PetriNetUnfolder]: For 2254/2259 co-relation queries the response was YES. [2021-03-26 01:10:12,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3400 conditions, 855 events. 358/855 cut-off events. For 2254/2259 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 5305 event pairs, 134 based on Foata normal form. 8/853 useless extension candidates. Maximal degree in co-relation 3373. Up to 506 conditions per place. [2021-03-26 01:10:12,368 INFO L132 encePairwiseOnDemand]: 309/318 looper letters, 87 selfloop transitions, 30 changer transitions 1/126 dead transitions. [2021-03-26 01:10:12,369 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 126 transitions, 1267 flow [2021-03-26 01:10:12,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 01:10:12,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 01:10:12,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1315 transitions. [2021-03-26 01:10:12,371 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5169025157232704 [2021-03-26 01:10:12,371 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1315 transitions. [2021-03-26 01:10:12,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1315 transitions. [2021-03-26 01:10:12,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:12,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1315 transitions. [2021-03-26 01:10:12,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 164.375) internal successors, (1315), 8 states have internal predecessors, (1315), 0 states have call successors, (0), 0 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 01:10:12,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 318.0) internal successors, (2862), 9 states have internal predecessors, (2862), 0 states have call successors, (0), 0 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 01:10:12,386 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 318.0) internal successors, (2862), 9 states have internal predecessors, (2862), 0 states have call successors, (0), 0 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 01:10:12,386 INFO L185 Difference]: Start difference. First operand has 68 places, 87 transitions, 711 flow. Second operand 8 states and 1315 transitions. [2021-03-26 01:10:12,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 126 transitions, 1267 flow [2021-03-26 01:10:12,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 126 transitions, 1163 flow, removed 51 selfloop flow, removed 3 redundant places. [2021-03-26 01:10:12,395 INFO L241 Difference]: Finished difference. Result has 78 places, 99 transitions, 865 flow [2021-03-26 01:10:12,396 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=865, PETRI_PLACES=78, PETRI_TRANSITIONS=99} [2021-03-26 01:10:12,396 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 12 predicate places. [2021-03-26 01:10:12,396 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:12,396 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 99 transitions, 865 flow [2021-03-26 01:10:12,396 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 99 transitions, 865 flow [2021-03-26 01:10:12,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 99 transitions, 865 flow [2021-03-26 01:10:12,420 INFO L129 PetriNetUnfolder]: 93/409 cut-off events. [2021-03-26 01:10:12,420 INFO L130 PetriNetUnfolder]: For 933/940 co-relation queries the response was YES. [2021-03-26 01:10:12,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1400 conditions, 409 events. 93/409 cut-off events. For 933/940 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2899 event pairs, 8 based on Foata normal form. 5/408 useless extension candidates. Maximal degree in co-relation 1231. Up to 93 conditions per place. [2021-03-26 01:10:12,423 INFO L142 LiptonReduction]: Number of co-enabled transitions 226 [2021-03-26 01:10:12,502 INFO L154 LiptonReduction]: Checked pairs total: 964 [2021-03-26 01:10:12,502 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 01:10:12,502 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 106 [2021-03-26 01:10:12,503 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 99 transitions, 866 flow [2021-03-26 01:10:12,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 160.28571428571428) internal successors, (1122), 7 states have internal predecessors, (1122), 0 states have call successors, (0), 0 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 01:10:12,503 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:12,503 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:12,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 01:10:12,503 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:12,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:12,504 INFO L82 PathProgramCache]: Analyzing trace with hash 469943409, now seen corresponding path program 1 times [2021-03-26 01:10:12,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:12,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209521818] [2021-03-26 01:10:12,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:12,636 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-26 01:10:12,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:12,648 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.1 percent of original size [2021-03-26 01:10:12,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:10:12,678 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size [2021-03-26 01:10:12,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:12,710 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size [2021-03-26 01:10:12,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:12,740 INFO L142 QuantifierPusher]: treesize reduction 25, result has 69.1 percent of original size [2021-03-26 01:10:12,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 01:10:12,781 INFO L142 QuantifierPusher]: treesize reduction 25, result has 66.7 percent of original size [2021-03-26 01:10:12,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 01:10:12,823 INFO L142 QuantifierPusher]: treesize reduction 25, result has 66.2 percent of original size [2021-03-26 01:10:12,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:10:12,864 INFO L142 QuantifierPusher]: treesize reduction 25, result has 71.9 percent of original size [2021-03-26 01:10:12,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 01:10:12,912 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-26 01:10:12,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:12,935 INFO L142 QuantifierPusher]: treesize reduction 23, result has 71.6 percent of original size [2021-03-26 01:10:12,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 01:10:12,976 INFO L142 QuantifierPusher]: treesize reduction 23, result has 67.6 percent of original size [2021-03-26 01:10:12,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 01:10:12,996 INFO L142 QuantifierPusher]: treesize reduction 42, result has 52.3 percent of original size [2021-03-26 01:10:12,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 01:10:13,037 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-03-26 01:10:13,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:10:13,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:13,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:13,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:13,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:13,094 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 01:10:13,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209521818] [2021-03-26 01:10:13,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:13,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-26 01:10:13,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946432528] [2021-03-26 01:10:13,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 01:10:13,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:13,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 01:10:13,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-03-26 01:10:13,097 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 319 [2021-03-26 01:10:13,098 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 99 transitions, 866 flow. Second operand has 15 states, 15 states have (on average 140.13333333333333) internal successors, (2102), 15 states have internal predecessors, (2102), 0 states have call successors, (0), 0 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 01:10:13,098 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:13,098 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 319 [2021-03-26 01:10:13,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:14,128 INFO L129 PetriNetUnfolder]: 398/998 cut-off events. [2021-03-26 01:10:14,129 INFO L130 PetriNetUnfolder]: For 3027/3030 co-relation queries the response was YES. [2021-03-26 01:10:14,132 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4099 conditions, 998 events. 398/998 cut-off events. For 3027/3030 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 6623 event pairs, 111 based on Foata normal form. 1/987 useless extension candidates. Maximal degree in co-relation 3616. Up to 718 conditions per place. [2021-03-26 01:10:14,135 INFO L132 encePairwiseOnDemand]: 304/319 looper letters, 97 selfloop transitions, 53 changer transitions 9/163 dead transitions. [2021-03-26 01:10:14,135 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 163 transitions, 1648 flow [2021-03-26 01:10:14,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 01:10:14,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 01:10:14,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2025 transitions. [2021-03-26 01:10:14,139 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45342588446036725 [2021-03-26 01:10:14,139 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2025 transitions. [2021-03-26 01:10:14,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2025 transitions. [2021-03-26 01:10:14,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:14,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2025 transitions. [2021-03-26 01:10:14,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 144.64285714285714) internal successors, (2025), 14 states have internal predecessors, (2025), 0 states have call successors, (0), 0 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 01:10:14,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 319.0) internal successors, (4785), 15 states have internal predecessors, (4785), 0 states have call successors, (0), 0 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 01:10:14,146 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 319.0) internal successors, (4785), 15 states have internal predecessors, (4785), 0 states have call successors, (0), 0 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 01:10:14,146 INFO L185 Difference]: Start difference. First operand has 78 places, 99 transitions, 866 flow. Second operand 14 states and 2025 transitions. [2021-03-26 01:10:14,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 163 transitions, 1648 flow [2021-03-26 01:10:14,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 163 transitions, 1624 flow, removed 12 selfloop flow, removed 0 redundant places. [2021-03-26 01:10:14,154 INFO L241 Difference]: Finished difference. Result has 98 places, 124 transitions, 1281 flow [2021-03-26 01:10:14,154 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1281, PETRI_PLACES=98, PETRI_TRANSITIONS=124} [2021-03-26 01:10:14,154 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 32 predicate places. [2021-03-26 01:10:14,155 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:14,155 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 124 transitions, 1281 flow [2021-03-26 01:10:14,155 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 124 transitions, 1281 flow [2021-03-26 01:10:14,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 124 transitions, 1281 flow [2021-03-26 01:10:14,196 INFO L129 PetriNetUnfolder]: 129/520 cut-off events. [2021-03-26 01:10:14,196 INFO L130 PetriNetUnfolder]: For 1720/1739 co-relation queries the response was YES. [2021-03-26 01:10:14,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2054 conditions, 520 events. 129/520 cut-off events. For 1720/1739 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3863 event pairs, 3 based on Foata normal form. 5/517 useless extension candidates. Maximal degree in co-relation 2016. Up to 129 conditions per place. [2021-03-26 01:10:14,200 INFO L142 LiptonReduction]: Number of co-enabled transitions 268 [2021-03-26 01:10:14,231 INFO L154 LiptonReduction]: Checked pairs total: 971 [2021-03-26 01:10:14,231 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:14,231 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 76 [2021-03-26 01:10:14,233 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 124 transitions, 1281 flow [2021-03-26 01:10:14,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 140.13333333333333) internal successors, (2102), 15 states have internal predecessors, (2102), 0 states have call successors, (0), 0 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 01:10:14,234 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:14,234 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:14,234 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 01:10:14,234 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:14,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:14,234 INFO L82 PathProgramCache]: Analyzing trace with hash 248316043, now seen corresponding path program 2 times [2021-03-26 01:10:14,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:14,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812552725] [2021-03-26 01:10:14,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:14,331 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-26 01:10:14,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:14,343 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.1 percent of original size [2021-03-26 01:10:14,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:10:14,373 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size [2021-03-26 01:10:14,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:14,405 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size [2021-03-26 01:10:14,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:14,436 INFO L142 QuantifierPusher]: treesize reduction 25, result has 69.1 percent of original size [2021-03-26 01:10:14,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 01:10:14,477 INFO L142 QuantifierPusher]: treesize reduction 25, result has 68.8 percent of original size [2021-03-26 01:10:14,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 01:10:14,522 INFO L142 QuantifierPusher]: treesize reduction 25, result has 66.2 percent of original size [2021-03-26 01:10:14,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:10:14,566 INFO L142 QuantifierPusher]: treesize reduction 25, result has 71.9 percent of original size [2021-03-26 01:10:14,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 01:10:14,614 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-26 01:10:14,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:14,637 INFO L142 QuantifierPusher]: treesize reduction 23, result has 71.6 percent of original size [2021-03-26 01:10:14,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 01:10:14,681 INFO L142 QuantifierPusher]: treesize reduction 23, result has 67.6 percent of original size [2021-03-26 01:10:14,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 01:10:14,699 INFO L142 QuantifierPusher]: treesize reduction 42, result has 52.3 percent of original size [2021-03-26 01:10:14,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 01:10:14,742 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-03-26 01:10:14,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:10:14,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:14,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:14,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:14,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:14,803 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 01:10:14,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812552725] [2021-03-26 01:10:14,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:14,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-26 01:10:14,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098101123] [2021-03-26 01:10:14,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 01:10:14,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:14,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 01:10:14,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-03-26 01:10:14,805 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 319 [2021-03-26 01:10:14,806 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 124 transitions, 1281 flow. Second operand has 15 states, 15 states have (on average 140.13333333333333) internal successors, (2102), 15 states have internal predecessors, (2102), 0 states have call successors, (0), 0 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 01:10:14,806 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:14,806 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 319 [2021-03-26 01:10:14,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:15,821 INFO L129 PetriNetUnfolder]: 423/1068 cut-off events. [2021-03-26 01:10:15,821 INFO L130 PetriNetUnfolder]: For 4256/4259 co-relation queries the response was YES. [2021-03-26 01:10:15,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4907 conditions, 1068 events. 423/1068 cut-off events. For 4256/4259 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 7296 event pairs, 153 based on Foata normal form. 1/1052 useless extension candidates. Maximal degree in co-relation 4867. Up to 793 conditions per place. [2021-03-26 01:10:15,828 INFO L132 encePairwiseOnDemand]: 304/319 looper letters, 101 selfloop transitions, 54 changer transitions 9/168 dead transitions. [2021-03-26 01:10:15,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 168 transitions, 1937 flow [2021-03-26 01:10:15,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 01:10:15,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 01:10:15,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1881 transitions. [2021-03-26 01:10:15,832 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4535809018567639 [2021-03-26 01:10:15,832 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1881 transitions. [2021-03-26 01:10:15,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1881 transitions. [2021-03-26 01:10:15,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:15,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1881 transitions. [2021-03-26 01:10:15,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 144.69230769230768) internal successors, (1881), 13 states have internal predecessors, (1881), 0 states have call successors, (0), 0 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 01:10:15,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 319.0) internal successors, (4466), 14 states have internal predecessors, (4466), 0 states have call successors, (0), 0 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 01:10:15,839 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 319.0) internal successors, (4466), 14 states have internal predecessors, (4466), 0 states have call successors, (0), 0 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 01:10:15,839 INFO L185 Difference]: Start difference. First operand has 95 places, 124 transitions, 1281 flow. Second operand 13 states and 1881 transitions. [2021-03-26 01:10:15,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 168 transitions, 1937 flow [2021-03-26 01:10:15,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 168 transitions, 1831 flow, removed 49 selfloop flow, removed 4 redundant places. [2021-03-26 01:10:15,852 INFO L241 Difference]: Finished difference. Result has 110 places, 133 transitions, 1477 flow [2021-03-26 01:10:15,852 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=1203, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1477, PETRI_PLACES=110, PETRI_TRANSITIONS=133} [2021-03-26 01:10:15,852 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 44 predicate places. [2021-03-26 01:10:15,852 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:15,852 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 133 transitions, 1477 flow [2021-03-26 01:10:15,853 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 133 transitions, 1477 flow [2021-03-26 01:10:15,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 133 transitions, 1477 flow [2021-03-26 01:10:15,889 INFO L129 PetriNetUnfolder]: 127/554 cut-off events. [2021-03-26 01:10:15,889 INFO L130 PetriNetUnfolder]: For 2025/2031 co-relation queries the response was YES. [2021-03-26 01:10:15,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2223 conditions, 554 events. 127/554 cut-off events. For 2025/2031 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 4323 event pairs, 2 based on Foata normal form. 4/550 useless extension candidates. Maximal degree in co-relation 2179. Up to 121 conditions per place. [2021-03-26 01:10:15,893 INFO L142 LiptonReduction]: Number of co-enabled transitions 286 [2021-03-26 01:10:15,999 INFO L154 LiptonReduction]: Checked pairs total: 2121 [2021-03-26 01:10:15,999 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 01:10:15,999 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 147 [2021-03-26 01:10:16,000 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 133 transitions, 1482 flow [2021-03-26 01:10:16,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 140.13333333333333) internal successors, (2102), 15 states have internal predecessors, (2102), 0 states have call successors, (0), 0 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 01:10:16,000 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:16,000 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:16,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 01:10:16,000 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:16,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:16,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1647661737, now seen corresponding path program 3 times [2021-03-26 01:10:16,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:16,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894190888] [2021-03-26 01:10:16,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:16,061 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-26 01:10:16,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:16,073 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.1 percent of original size [2021-03-26 01:10:16,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:10:16,104 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size [2021-03-26 01:10:16,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:16,133 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size [2021-03-26 01:10:16,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:16,161 INFO L142 QuantifierPusher]: treesize reduction 25, result has 69.1 percent of original size [2021-03-26 01:10:16,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 01:10:16,215 INFO L142 QuantifierPusher]: treesize reduction 25, result has 66.7 percent of original size [2021-03-26 01:10:16,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 01:10:16,257 INFO L142 QuantifierPusher]: treesize reduction 25, result has 72.2 percent of original size [2021-03-26 01:10:16,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 01:10:16,306 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size [2021-03-26 01:10:16,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 01:10:16,328 INFO L142 QuantifierPusher]: treesize reduction 23, result has 72.0 percent of original size [2021-03-26 01:10:16,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 01:10:16,370 INFO L142 QuantifierPusher]: treesize reduction 23, result has 71.6 percent of original size [2021-03-26 01:10:16,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 01:10:16,414 INFO L142 QuantifierPusher]: treesize reduction 23, result has 67.6 percent of original size [2021-03-26 01:10:16,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 01:10:16,431 INFO L142 QuantifierPusher]: treesize reduction 42, result has 52.3 percent of original size [2021-03-26 01:10:16,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 01:10:16,471 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-03-26 01:10:16,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:10:16,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:16,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:16,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:16,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:16,528 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 01:10:16,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894190888] [2021-03-26 01:10:16,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:16,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-26 01:10:16,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773531859] [2021-03-26 01:10:16,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 01:10:16,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:16,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 01:10:16,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-03-26 01:10:16,530 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 320 [2021-03-26 01:10:16,531 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 133 transitions, 1482 flow. Second operand has 15 states, 15 states have (on average 140.13333333333333) internal successors, (2102), 15 states have internal predecessors, (2102), 0 states have call successors, (0), 0 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 01:10:16,531 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:16,531 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 320 [2021-03-26 01:10:16,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:17,679 INFO L129 PetriNetUnfolder]: 463/1172 cut-off events. [2021-03-26 01:10:17,680 INFO L130 PetriNetUnfolder]: For 5473/5482 co-relation queries the response was YES. [2021-03-26 01:10:17,684 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5485 conditions, 1172 events. 463/1172 cut-off events. For 5473/5482 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 8238 event pairs, 135 based on Foata normal form. 0/1155 useless extension candidates. Maximal degree in co-relation 5439. Up to 699 conditions per place. [2021-03-26 01:10:17,690 INFO L132 encePairwiseOnDemand]: 303/320 looper letters, 106 selfloop transitions, 76 changer transitions 0/186 dead transitions. [2021-03-26 01:10:17,690 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 186 transitions, 2250 flow [2021-03-26 01:10:17,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 01:10:17,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 01:10:17,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1886 transitions. [2021-03-26 01:10:17,704 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4533653846153846 [2021-03-26 01:10:17,704 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1886 transitions. [2021-03-26 01:10:17,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1886 transitions. [2021-03-26 01:10:17,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:17,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1886 transitions. [2021-03-26 01:10:17,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 145.07692307692307) internal successors, (1886), 13 states have internal predecessors, (1886), 0 states have call successors, (0), 0 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 01:10:17,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 320.0) internal successors, (4480), 14 states have internal predecessors, (4480), 0 states have call successors, (0), 0 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 01:10:17,712 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 320.0) internal successors, (4480), 14 states have internal predecessors, (4480), 0 states have call successors, (0), 0 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 01:10:17,712 INFO L185 Difference]: Start difference. First operand has 107 places, 133 transitions, 1482 flow. Second operand 13 states and 1886 transitions. [2021-03-26 01:10:17,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 186 transitions, 2250 flow [2021-03-26 01:10:17,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 186 transitions, 2114 flow, removed 39 selfloop flow, removed 7 redundant places. [2021-03-26 01:10:17,730 INFO L241 Difference]: Finished difference. Result has 116 places, 155 transitions, 1823 flow [2021-03-26 01:10:17,731 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=1381, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1823, PETRI_PLACES=116, PETRI_TRANSITIONS=155} [2021-03-26 01:10:17,731 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 50 predicate places. [2021-03-26 01:10:17,731 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:17,731 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 155 transitions, 1823 flow [2021-03-26 01:10:17,731 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 155 transitions, 1823 flow [2021-03-26 01:10:17,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 116 places, 155 transitions, 1823 flow [2021-03-26 01:10:17,785 INFO L129 PetriNetUnfolder]: 152/634 cut-off events. [2021-03-26 01:10:17,786 INFO L130 PetriNetUnfolder]: For 2716/2729 co-relation queries the response was YES. [2021-03-26 01:10:17,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2663 conditions, 634 events. 152/634 cut-off events. For 2716/2729 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5059 event pairs, 1 based on Foata normal form. 6/628 useless extension candidates. Maximal degree in co-relation 2571. Up to 134 conditions per place. [2021-03-26 01:10:17,790 INFO L142 LiptonReduction]: Number of co-enabled transitions 300 [2021-03-26 01:10:17,872 INFO L154 LiptonReduction]: Checked pairs total: 822 [2021-03-26 01:10:17,872 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 01:10:17,872 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 141 [2021-03-26 01:10:17,873 INFO L480 AbstractCegarLoop]: Abstraction has has 115 places, 154 transitions, 1819 flow [2021-03-26 01:10:17,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 140.13333333333333) internal successors, (2102), 15 states have internal predecessors, (2102), 0 states have call successors, (0), 0 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 01:10:17,873 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:17,873 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 01:10:17,873 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 01:10:17,874 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:17,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:17,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1829008414, now seen corresponding path program 1 times [2021-03-26 01:10:17,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:17,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178351355] [2021-03-26 01:10:17,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:17,918 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 01:10:17,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 01:10:17,925 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-26 01:10:17,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:17,936 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-26 01:10:17,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 01:10:17,952 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-26 01:10:17,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 01:10:17,967 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-26 01:10:17,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 01:10:17,983 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-03-26 01:10:17,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:10:17,999 INFO L142 QuantifierPusher]: treesize reduction 13, result has 79.4 percent of original size [2021-03-26 01:10:18,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 01:10:18,030 INFO L142 QuantifierPusher]: treesize reduction 13, result has 77.2 percent of original size [2021-03-26 01:10:18,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 01:10:18,040 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-26 01:10:18,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 01:10:18,055 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-26 01:10:18,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 01:10:18,068 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 01:10:18,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:10:18,083 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 01:10:18,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:10:18,084 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 01:10:18,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178351355] [2021-03-26 01:10:18,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:18,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:10:18,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298535053] [2021-03-26 01:10:18,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:10:18,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:18,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:10:18,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:10:18,086 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 321 [2021-03-26 01:10:18,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 154 transitions, 1819 flow. Second operand has 12 states, 12 states have (on average 141.33333333333334) internal successors, (1696), 12 states have internal predecessors, (1696), 0 states have call successors, (0), 0 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 01:10:18,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:18,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 321 [2021-03-26 01:10:18,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:18,779 INFO L129 PetriNetUnfolder]: 765/1918 cut-off events. [2021-03-26 01:10:18,779 INFO L130 PetriNetUnfolder]: For 10780/10795 co-relation queries the response was YES. [2021-03-26 01:10:18,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9329 conditions, 1918 events. 765/1918 cut-off events. For 10780/10795 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 15094 event pairs, 272 based on Foata normal form. 4/1895 useless extension candidates. Maximal degree in co-relation 9172. Up to 889 conditions per place. [2021-03-26 01:10:18,792 INFO L132 encePairwiseOnDemand]: 311/321 looper letters, 200 selfloop transitions, 69 changer transitions 2/275 dead transitions. [2021-03-26 01:10:18,792 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 275 transitions, 3621 flow [2021-03-26 01:10:18,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 01:10:18,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 01:10:18,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1334 transitions. [2021-03-26 01:10:18,793 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4617514710972655 [2021-03-26 01:10:18,793 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1334 transitions. [2021-03-26 01:10:18,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1334 transitions. [2021-03-26 01:10:18,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:18,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1334 transitions. [2021-03-26 01:10:18,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 148.22222222222223) internal successors, (1334), 9 states have internal predecessors, (1334), 0 states have call successors, (0), 0 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 01:10:18,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 321.0) internal successors, (3210), 10 states have internal predecessors, (3210), 0 states have call successors, (0), 0 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 01:10:18,797 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 321.0) internal successors, (3210), 10 states have internal predecessors, (3210), 0 states have call successors, (0), 0 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 01:10:18,797 INFO L185 Difference]: Start difference. First operand has 115 places, 154 transitions, 1819 flow. Second operand 9 states and 1334 transitions. [2021-03-26 01:10:18,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 275 transitions, 3621 flow [2021-03-26 01:10:18,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 275 transitions, 3475 flow, removed 17 selfloop flow, removed 6 redundant places. [2021-03-26 01:10:18,827 INFO L241 Difference]: Finished difference. Result has 120 places, 180 transitions, 2282 flow [2021-03-26 01:10:18,827 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=1713, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2282, PETRI_PLACES=120, PETRI_TRANSITIONS=180} [2021-03-26 01:10:18,828 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 54 predicate places. [2021-03-26 01:10:18,828 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:18,828 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 180 transitions, 2282 flow [2021-03-26 01:10:18,828 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 180 transitions, 2282 flow [2021-03-26 01:10:18,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 180 transitions, 2282 flow [2021-03-26 01:10:18,900 INFO L129 PetriNetUnfolder]: 239/1011 cut-off events. [2021-03-26 01:10:18,900 INFO L130 PetriNetUnfolder]: For 4384/4404 co-relation queries the response was YES. [2021-03-26 01:10:18,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4247 conditions, 1011 events. 239/1011 cut-off events. For 4384/4404 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 9228 event pairs, 15 based on Foata normal form. 7/1000 useless extension candidates. Maximal degree in co-relation 4136. Up to 213 conditions per place. [2021-03-26 01:10:18,908 INFO L142 LiptonReduction]: Number of co-enabled transitions 346 [2021-03-26 01:10:18,965 INFO L154 LiptonReduction]: Checked pairs total: 631 [2021-03-26 01:10:18,965 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:18,965 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 137 [2021-03-26 01:10:18,966 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 180 transitions, 2282 flow [2021-03-26 01:10:18,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 141.33333333333334) internal successors, (1696), 12 states have internal predecessors, (1696), 0 states have call successors, (0), 0 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 01:10:18,966 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:18,966 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 01:10:18,966 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 01:10:18,966 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:18,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:18,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1829008406, now seen corresponding path program 1 times [2021-03-26 01:10:18,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:18,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507072830] [2021-03-26 01:10:18,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:19,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:19,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 01:10:19,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:19,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 01:10:19,023 INFO L142 QuantifierPusher]: treesize reduction 17, result has 69.1 percent of original size [2021-03-26 01:10:19,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 01:10:19,049 INFO L142 QuantifierPusher]: treesize reduction 17, result has 69.1 percent of original size [2021-03-26 01:10:19,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 01:10:19,077 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 01:10:19,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 01:10:19,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:19,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:10:19,079 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 01:10:19,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507072830] [2021-03-26 01:10:19,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:19,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 01:10:19,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777082807] [2021-03-26 01:10:19,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 01:10:19,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:19,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 01:10:19,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 01:10:19,080 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 321 [2021-03-26 01:10:19,081 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 180 transitions, 2282 flow. Second operand has 6 states, 6 states have (on average 251.5) internal successors, (1509), 6 states have internal predecessors, (1509), 0 states have call successors, (0), 0 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 01:10:19,081 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:19,081 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 321 [2021-03-26 01:10:19,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:19,247 INFO L129 PetriNetUnfolder]: 183/701 cut-off events. [2021-03-26 01:10:19,247 INFO L130 PetriNetUnfolder]: For 3843/3901 co-relation queries the response was YES. [2021-03-26 01:10:19,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3250 conditions, 701 events. 183/701 cut-off events. For 3843/3901 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5568 event pairs, 10 based on Foata normal form. 52/729 useless extension candidates. Maximal degree in co-relation 3134. Up to 197 conditions per place. [2021-03-26 01:10:19,252 INFO L132 encePairwiseOnDemand]: 313/321 looper letters, 67 selfloop transitions, 15 changer transitions 2/170 dead transitions. [2021-03-26 01:10:19,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 170 transitions, 2151 flow [2021-03-26 01:10:19,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 01:10:19,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 01:10:19,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1525 transitions. [2021-03-26 01:10:19,254 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7917964693665628 [2021-03-26 01:10:19,254 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1525 transitions. [2021-03-26 01:10:19,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1525 transitions. [2021-03-26 01:10:19,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:19,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1525 transitions. [2021-03-26 01:10:19,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 254.16666666666666) internal successors, (1525), 6 states have internal predecessors, (1525), 0 states have call successors, (0), 0 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 01:10:19,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 0 states have call successors, (0), 0 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 01:10:19,258 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 0 states have call successors, (0), 0 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 01:10:19,258 INFO L185 Difference]: Start difference. First operand has 120 places, 180 transitions, 2282 flow. Second operand 6 states and 1525 transitions. [2021-03-26 01:10:19,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 170 transitions, 2151 flow [2021-03-26 01:10:19,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 170 transitions, 2062 flow, removed 17 selfloop flow, removed 5 redundant places. [2021-03-26 01:10:19,272 INFO L241 Difference]: Finished difference. Result has 122 places, 150 transitions, 1724 flow [2021-03-26 01:10:19,273 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=1644, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1724, PETRI_PLACES=122, PETRI_TRANSITIONS=150} [2021-03-26 01:10:19,273 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 56 predicate places. [2021-03-26 01:10:19,273 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:19,273 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 150 transitions, 1724 flow [2021-03-26 01:10:19,273 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 150 transitions, 1724 flow [2021-03-26 01:10:19,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 150 transitions, 1724 flow [2021-03-26 01:10:19,316 INFO L129 PetriNetUnfolder]: 135/614 cut-off events. [2021-03-26 01:10:19,316 INFO L130 PetriNetUnfolder]: For 2656/2699 co-relation queries the response was YES. [2021-03-26 01:10:19,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2689 conditions, 614 events. 135/614 cut-off events. For 2656/2699 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4948 event pairs, 8 based on Foata normal form. 27/628 useless extension candidates. Maximal degree in co-relation 2593. Up to 123 conditions per place. [2021-03-26 01:10:19,320 INFO L142 LiptonReduction]: Number of co-enabled transitions 294 [2021-03-26 01:10:19,470 INFO L154 LiptonReduction]: Checked pairs total: 672 [2021-03-26 01:10:19,470 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 01:10:19,470 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 197 [2021-03-26 01:10:19,471 INFO L480 AbstractCegarLoop]: Abstraction has has 122 places, 150 transitions, 1734 flow [2021-03-26 01:10:19,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 251.5) internal successors, (1509), 6 states have internal predecessors, (1509), 0 states have call successors, (0), 0 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 01:10:19,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:19,472 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:19,472 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 01:10:19,472 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:19,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:19,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1285465269, now seen corresponding path program 1 times [2021-03-26 01:10:19,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:19,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379901145] [2021-03-26 01:10:19,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:19,538 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 01:10:19,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 01:10:19,546 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 01:10:19,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 01:10:19,555 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-03-26 01:10:19,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:19,583 INFO L142 QuantifierPusher]: treesize reduction 23, result has 66.2 percent of original size [2021-03-26 01:10:19,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 01:10:19,616 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size [2021-03-26 01:10:19,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 01:10:19,625 INFO L142 QuantifierPusher]: treesize reduction 23, result has 66.2 percent of original size [2021-03-26 01:10:19,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 01:10:19,626 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-03-26 01:10:19,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 01:10:19,659 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 01:10:19,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:10:19,670 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 01:10:19,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:10:19,671 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 01:10:19,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379901145] [2021-03-26 01:10:19,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:19,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 01:10:19,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420808058] [2021-03-26 01:10:19,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 01:10:19,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:19,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 01:10:19,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 01:10:19,674 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 322 [2021-03-26 01:10:19,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 150 transitions, 1734 flow. Second operand has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 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 01:10:19,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:19,675 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 322 [2021-03-26 01:10:19,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:20,010 INFO L129 PetriNetUnfolder]: 360/1106 cut-off events. [2021-03-26 01:10:20,010 INFO L130 PetriNetUnfolder]: For 6475/6515 co-relation queries the response was YES. [2021-03-26 01:10:20,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5563 conditions, 1106 events. 360/1106 cut-off events. For 6475/6515 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 8716 event pairs, 57 based on Foata normal form. 23/1117 useless extension candidates. Maximal degree in co-relation 5408. Up to 402 conditions per place. [2021-03-26 01:10:20,019 INFO L132 encePairwiseOnDemand]: 312/322 looper letters, 106 selfloop transitions, 79 changer transitions 1/198 dead transitions. [2021-03-26 01:10:20,019 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 198 transitions, 2597 flow [2021-03-26 01:10:20,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 01:10:20,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 01:10:20,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1121 transitions. [2021-03-26 01:10:20,021 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49733806566104705 [2021-03-26 01:10:20,021 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1121 transitions. [2021-03-26 01:10:20,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1121 transitions. [2021-03-26 01:10:20,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:20,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1121 transitions. [2021-03-26 01:10:20,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 160.14285714285714) internal successors, (1121), 7 states have internal predecessors, (1121), 0 states have call successors, (0), 0 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 01:10:20,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 322.0) internal successors, (2576), 8 states have internal predecessors, (2576), 0 states have call successors, (0), 0 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 01:10:20,024 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 322.0) internal successors, (2576), 8 states have internal predecessors, (2576), 0 states have call successors, (0), 0 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 01:10:20,024 INFO L185 Difference]: Start difference. First operand has 122 places, 150 transitions, 1734 flow. Second operand 7 states and 1121 transitions. [2021-03-26 01:10:20,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 198 transitions, 2597 flow [2021-03-26 01:10:20,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 198 transitions, 2582 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-03-26 01:10:20,047 INFO L241 Difference]: Finished difference. Result has 127 places, 163 transitions, 2098 flow [2021-03-26 01:10:20,047 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1725, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2098, PETRI_PLACES=127, PETRI_TRANSITIONS=163} [2021-03-26 01:10:20,048 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 61 predicate places. [2021-03-26 01:10:20,048 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:20,048 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 163 transitions, 2098 flow [2021-03-26 01:10:20,048 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 163 transitions, 2098 flow [2021-03-26 01:10:20,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 163 transitions, 2098 flow [2021-03-26 01:10:20,110 INFO L129 PetriNetUnfolder]: 146/698 cut-off events. [2021-03-26 01:10:20,111 INFO L130 PetriNetUnfolder]: For 3937/3994 co-relation queries the response was YES. [2021-03-26 01:10:20,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3296 conditions, 698 events. 146/698 cut-off events. For 3937/3994 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 6017 event pairs, 8 based on Foata normal form. 40/725 useless extension candidates. Maximal degree in co-relation 3185. Up to 143 conditions per place. [2021-03-26 01:10:20,116 INFO L142 LiptonReduction]: Number of co-enabled transitions 318 [2021-03-26 01:10:20,271 INFO L154 LiptonReduction]: Checked pairs total: 854 [2021-03-26 01:10:20,272 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 01:10:20,272 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 224 [2021-03-26 01:10:20,272 INFO L480 AbstractCegarLoop]: Abstraction has has 126 places, 162 transitions, 2092 flow [2021-03-26 01:10:20,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 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 01:10:20,272 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:20,272 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:20,272 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 01:10:20,273 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:20,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:20,273 INFO L82 PathProgramCache]: Analyzing trace with hash 811592664, now seen corresponding path program 1 times [2021-03-26 01:10:20,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:20,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596946010] [2021-03-26 01:10:20,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:20,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:20,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 01:10:20,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:20,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 01:10:20,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:20,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 01:10:20,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:20,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 01:10:20,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:20,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:10:20,337 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 01:10:20,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596946010] [2021-03-26 01:10:20,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:20,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 01:10:20,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517768113] [2021-03-26 01:10:20,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 01:10:20,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:20,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 01:10:20,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 01:10:20,338 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 323 [2021-03-26 01:10:20,339 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 162 transitions, 2092 flow. Second operand has 6 states, 6 states have (on average 251.66666666666666) internal successors, (1510), 6 states have internal predecessors, (1510), 0 states have call successors, (0), 0 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 01:10:20,339 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:20,339 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 323 [2021-03-26 01:10:20,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:20,452 INFO L129 PetriNetUnfolder]: 35/240 cut-off events. [2021-03-26 01:10:20,452 INFO L130 PetriNetUnfolder]: For 2010/2023 co-relation queries the response was YES. [2021-03-26 01:10:20,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1298 conditions, 240 events. 35/240 cut-off events. For 2010/2023 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1509 event pairs, 0 based on Foata normal form. 23/260 useless extension candidates. Maximal degree in co-relation 1251. Up to 56 conditions per place. [2021-03-26 01:10:20,453 INFO L132 encePairwiseOnDemand]: 317/323 looper letters, 31 selfloop transitions, 12 changer transitions 2/95 dead transitions. [2021-03-26 01:10:20,453 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 95 transitions, 1286 flow [2021-03-26 01:10:20,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 01:10:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 01:10:20,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1525 transitions. [2021-03-26 01:10:20,455 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7868937048503611 [2021-03-26 01:10:20,455 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1525 transitions. [2021-03-26 01:10:20,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1525 transitions. [2021-03-26 01:10:20,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:20,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1525 transitions. [2021-03-26 01:10:20,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 254.16666666666666) internal successors, (1525), 6 states have internal predecessors, (1525), 0 states have call successors, (0), 0 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 01:10:20,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 323.0) internal successors, (2261), 7 states have internal predecessors, (2261), 0 states have call successors, (0), 0 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 01:10:20,458 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 323.0) internal successors, (2261), 7 states have internal predecessors, (2261), 0 states have call successors, (0), 0 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 01:10:20,458 INFO L185 Difference]: Start difference. First operand has 126 places, 162 transitions, 2092 flow. Second operand 6 states and 1525 transitions. [2021-03-26 01:10:20,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 95 transitions, 1286 flow [2021-03-26 01:10:20,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 95 transitions, 1081 flow, removed 70 selfloop flow, removed 18 redundant places. [2021-03-26 01:10:20,468 INFO L241 Difference]: Finished difference. Result has 103 places, 87 transitions, 944 flow [2021-03-26 01:10:20,468 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=938, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=944, PETRI_PLACES=103, PETRI_TRANSITIONS=87} [2021-03-26 01:10:20,468 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 37 predicate places. [2021-03-26 01:10:20,468 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:20,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 87 transitions, 944 flow [2021-03-26 01:10:20,469 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 87 transitions, 944 flow [2021-03-26 01:10:20,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 87 transitions, 944 flow [2021-03-26 01:10:20,484 INFO L129 PetriNetUnfolder]: 32/231 cut-off events. [2021-03-26 01:10:20,484 INFO L130 PetriNetUnfolder]: For 954/960 co-relation queries the response was YES. [2021-03-26 01:10:20,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 948 conditions, 231 events. 32/231 cut-off events. For 954/960 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1455 event pairs, 0 based on Foata normal form. 6/235 useless extension candidates. Maximal degree in co-relation 864. Up to 46 conditions per place. [2021-03-26 01:10:20,486 INFO L142 LiptonReduction]: Number of co-enabled transitions 114 [2021-03-26 01:10:21,101 INFO L154 LiptonReduction]: Checked pairs total: 338 [2021-03-26 01:10:21,101 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-26 01:10:21,101 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 633 [2021-03-26 01:10:21,102 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 85 transitions, 958 flow [2021-03-26 01:10:21,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 251.66666666666666) internal successors, (1510), 6 states have internal predecessors, (1510), 0 states have call successors, (0), 0 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 01:10:21,102 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:21,102 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 01:10:21,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 01:10:21,102 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:21,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:21,102 INFO L82 PathProgramCache]: Analyzing trace with hash 433643860, now seen corresponding path program 1 times [2021-03-26 01:10:21,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:21,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472756247] [2021-03-26 01:10:21,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:21,140 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 01:10:21,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 01:10:21,149 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 01:10:21,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 01:10:21,158 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-03-26 01:10:21,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:21,182 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-03-26 01:10:21,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:21,209 INFO L142 QuantifierPusher]: treesize reduction 23, result has 71.3 percent of original size [2021-03-26 01:10:21,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 01:10:21,244 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-03-26 01:10:21,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 01:10:21,253 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 01:10:21,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:10:21,263 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 01:10:21,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:10:21,264 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 01:10:21,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472756247] [2021-03-26 01:10:21,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:21,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 01:10:21,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266854670] [2021-03-26 01:10:21,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 01:10:21,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:21,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 01:10:21,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 01:10:21,266 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 331 [2021-03-26 01:10:21,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 85 transitions, 958 flow. Second operand has 8 states, 8 states have (on average 154.875) internal successors, (1239), 8 states have internal predecessors, (1239), 0 states have call successors, (0), 0 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 01:10:21,266 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:21,266 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 331 [2021-03-26 01:10:21,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:21,540 INFO L129 PetriNetUnfolder]: 92/336 cut-off events. [2021-03-26 01:10:21,541 INFO L130 PetriNetUnfolder]: For 1784/1789 co-relation queries the response was YES. [2021-03-26 01:10:21,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1651 conditions, 336 events. 92/336 cut-off events. For 1784/1789 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2006 event pairs, 30 based on Foata normal form. 1/335 useless extension candidates. Maximal degree in co-relation 1528. Up to 157 conditions per place. [2021-03-26 01:10:21,543 INFO L132 encePairwiseOnDemand]: 321/331 looper letters, 68 selfloop transitions, 30 changer transitions 5/109 dead transitions. [2021-03-26 01:10:21,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 109 transitions, 1370 flow [2021-03-26 01:10:21,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 01:10:21,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 01:10:21,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1126 transitions. [2021-03-26 01:10:21,545 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4859732412602503 [2021-03-26 01:10:21,545 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1126 transitions. [2021-03-26 01:10:21,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1126 transitions. [2021-03-26 01:10:21,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:21,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1126 transitions. [2021-03-26 01:10:21,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 160.85714285714286) internal successors, (1126), 7 states have internal predecessors, (1126), 0 states have call successors, (0), 0 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 01:10:21,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 0 states have call successors, (0), 0 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 01:10:21,548 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 0 states have call successors, (0), 0 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 01:10:21,548 INFO L185 Difference]: Start difference. First operand has 98 places, 85 transitions, 958 flow. Second operand 7 states and 1126 transitions. [2021-03-26 01:10:21,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 109 transitions, 1370 flow [2021-03-26 01:10:21,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 109 transitions, 1284 flow, removed 25 selfloop flow, removed 7 redundant places. [2021-03-26 01:10:21,555 INFO L241 Difference]: Finished difference. Result has 98 places, 82 transitions, 923 flow [2021-03-26 01:10:21,555 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=885, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=923, PETRI_PLACES=98, PETRI_TRANSITIONS=82} [2021-03-26 01:10:21,556 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 32 predicate places. [2021-03-26 01:10:21,556 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:21,556 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 82 transitions, 923 flow [2021-03-26 01:10:21,556 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 82 transitions, 923 flow [2021-03-26 01:10:21,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 82 transitions, 923 flow [2021-03-26 01:10:21,571 INFO L129 PetriNetUnfolder]: 31/218 cut-off events. [2021-03-26 01:10:21,571 INFO L130 PetriNetUnfolder]: For 991/992 co-relation queries the response was YES. [2021-03-26 01:10:21,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 918 conditions, 218 events. 31/218 cut-off events. For 991/992 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1374 event pairs, 0 based on Foata normal form. 0/216 useless extension candidates. Maximal degree in co-relation 870. Up to 46 conditions per place. [2021-03-26 01:10:21,573 INFO L142 LiptonReduction]: Number of co-enabled transitions 96 [2021-03-26 01:10:22,125 INFO L154 LiptonReduction]: Checked pairs total: 336 [2021-03-26 01:10:22,125 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 01:10:22,125 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 569 [2021-03-26 01:10:22,125 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 80 transitions, 919 flow [2021-03-26 01:10:22,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 154.875) internal successors, (1239), 8 states have internal predecessors, (1239), 0 states have call successors, (0), 0 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 01:10:22,126 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:22,126 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:22,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 01:10:22,126 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:22,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:22,127 INFO L82 PathProgramCache]: Analyzing trace with hash 2031113077, now seen corresponding path program 1 times [2021-03-26 01:10:22,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:22,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078102422] [2021-03-26 01:10:22,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:22,171 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-03-26 01:10:22,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 01:10:22,177 INFO L142 QuantifierPusher]: treesize reduction 13, result has 59.4 percent of original size [2021-03-26 01:10:22,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 01:10:22,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:22,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 01:10:22,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:22,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:22,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:22,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:22,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:22,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:22,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:22,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 01:10:22,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:22,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 01:10:22,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:22,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:10:22,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:22,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 01:10:22,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:22,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:10:22,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:22,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:10:22,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:22,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 01:10:22,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:22,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:10:22,290 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 01:10:22,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078102422] [2021-03-26 01:10:22,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:22,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 01:10:22,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136781567] [2021-03-26 01:10:22,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:10:22,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:22,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:10:22,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:10:22,292 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 335 [2021-03-26 01:10:22,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 80 transitions, 919 flow. Second operand has 12 states, 12 states have (on average 136.33333333333334) internal successors, (1636), 12 states have internal predecessors, (1636), 0 states have call successors, (0), 0 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 01:10:22,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:22,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 335 [2021-03-26 01:10:22,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:22,972 INFO L129 PetriNetUnfolder]: 152/460 cut-off events. [2021-03-26 01:10:22,972 INFO L130 PetriNetUnfolder]: For 2275/2277 co-relation queries the response was YES. [2021-03-26 01:10:22,973 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2285 conditions, 460 events. 152/460 cut-off events. For 2275/2277 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2710 event pairs, 70 based on Foata normal form. 1/458 useless extension candidates. Maximal degree in co-relation 2233. Up to 303 conditions per place. [2021-03-26 01:10:22,974 INFO L132 encePairwiseOnDemand]: 320/335 looper letters, 94 selfloop transitions, 39 changer transitions 0/134 dead transitions. [2021-03-26 01:10:22,974 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 134 transitions, 1678 flow [2021-03-26 01:10:22,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:10:22,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:10:22,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1697 transitions. [2021-03-26 01:10:22,976 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42213930348258705 [2021-03-26 01:10:22,976 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1697 transitions. [2021-03-26 01:10:22,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1697 transitions. [2021-03-26 01:10:22,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:22,985 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1697 transitions. [2021-03-26 01:10:22,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 141.41666666666666) internal successors, (1697), 12 states have internal predecessors, (1697), 0 states have call successors, (0), 0 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 01:10:22,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 335.0) internal successors, (4355), 13 states have internal predecessors, (4355), 0 states have call successors, (0), 0 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 01:10:22,989 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 335.0) internal successors, (4355), 13 states have internal predecessors, (4355), 0 states have call successors, (0), 0 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 01:10:22,989 INFO L185 Difference]: Start difference. First operand has 95 places, 80 transitions, 919 flow. Second operand 12 states and 1697 transitions. [2021-03-26 01:10:22,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 134 transitions, 1678 flow [2021-03-26 01:10:22,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 134 transitions, 1566 flow, removed 29 selfloop flow, removed 8 redundant places. [2021-03-26 01:10:22,996 INFO L241 Difference]: Finished difference. Result has 104 places, 99 transitions, 1248 flow [2021-03-26 01:10:22,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=335, PETRI_DIFFERENCE_MINUEND_FLOW=845, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1248, PETRI_PLACES=104, PETRI_TRANSITIONS=99} [2021-03-26 01:10:22,996 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 38 predicate places. [2021-03-26 01:10:22,996 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:22,997 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 99 transitions, 1248 flow [2021-03-26 01:10:22,997 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 99 transitions, 1248 flow [2021-03-26 01:10:22,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 99 transitions, 1248 flow [2021-03-26 01:10:23,016 INFO L129 PetriNetUnfolder]: 45/280 cut-off events. [2021-03-26 01:10:23,016 INFO L130 PetriNetUnfolder]: For 1473/1479 co-relation queries the response was YES. [2021-03-26 01:10:23,017 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1276 conditions, 280 events. 45/280 cut-off events. For 1473/1479 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1879 event pairs, 2 based on Foata normal form. 2/279 useless extension candidates. Maximal degree in co-relation 1188. Up to 64 conditions per place. [2021-03-26 01:10:23,018 INFO L142 LiptonReduction]: Number of co-enabled transitions 102 [2021-03-26 01:10:23,309 INFO L154 LiptonReduction]: Checked pairs total: 246 [2021-03-26 01:10:23,309 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 01:10:23,309 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 313 [2021-03-26 01:10:23,310 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 99 transitions, 1260 flow [2021-03-26 01:10:23,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 136.33333333333334) internal successors, (1636), 12 states have internal predecessors, (1636), 0 states have call successors, (0), 0 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 01:10:23,310 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:23,310 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:23,310 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 01:10:23,310 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:23,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:23,310 INFO L82 PathProgramCache]: Analyzing trace with hash -365756251, now seen corresponding path program 1 times [2021-03-26 01:10:23,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:23,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454437310] [2021-03-26 01:10:23,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:23,340 INFO L142 QuantifierPusher]: treesize reduction 12, result has 53.8 percent of original size [2021-03-26 01:10:23,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:23,345 INFO L142 QuantifierPusher]: treesize reduction 12, result has 63.6 percent of original size [2021-03-26 01:10:23,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 01:10:23,353 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-03-26 01:10:23,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:23,362 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-03-26 01:10:23,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:23,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:23,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:10:23,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:23,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 01:10:23,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:23,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:10:23,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:23,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:10:23,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:23,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:23,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:23,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 01:10:23,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:23,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 01:10:23,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:23,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:10:23,434 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 01:10:23,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454437310] [2021-03-26 01:10:23,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:23,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:10:23,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779028745] [2021-03-26 01:10:23,435 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 01:10:23,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:23,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 01:10:23,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-26 01:10:23,436 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 341 [2021-03-26 01:10:23,437 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 99 transitions, 1260 flow. Second operand has 11 states, 11 states have (on average 147.36363636363637) internal successors, (1621), 11 states have internal predecessors, (1621), 0 states have call successors, (0), 0 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 01:10:23,437 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:23,437 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 341 [2021-03-26 01:10:23,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:23,916 INFO L129 PetriNetUnfolder]: 171/496 cut-off events. [2021-03-26 01:10:23,917 INFO L130 PetriNetUnfolder]: For 2545/2545 co-relation queries the response was YES. [2021-03-26 01:10:23,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2500 conditions, 496 events. 171/496 cut-off events. For 2545/2545 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2988 event pairs, 38 based on Foata normal form. 1/491 useless extension candidates. Maximal degree in co-relation 2332. Up to 205 conditions per place. [2021-03-26 01:10:23,919 INFO L132 encePairwiseOnDemand]: 324/341 looper letters, 103 selfloop transitions, 64 changer transitions 2/170 dead transitions. [2021-03-26 01:10:23,919 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 170 transitions, 2195 flow [2021-03-26 01:10:23,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 01:10:23,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 01:10:23,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1708 transitions. [2021-03-26 01:10:23,921 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45534524126899495 [2021-03-26 01:10:23,921 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1708 transitions. [2021-03-26 01:10:23,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1708 transitions. [2021-03-26 01:10:23,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:23,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1708 transitions. [2021-03-26 01:10:23,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 155.27272727272728) internal successors, (1708), 11 states have internal predecessors, (1708), 0 states have call successors, (0), 0 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 01:10:23,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 341.0) internal successors, (4092), 12 states have internal predecessors, (4092), 0 states have call successors, (0), 0 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 01:10:23,925 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 341.0) internal successors, (4092), 12 states have internal predecessors, (4092), 0 states have call successors, (0), 0 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 01:10:23,925 INFO L185 Difference]: Start difference. First operand has 104 places, 99 transitions, 1260 flow. Second operand 11 states and 1708 transitions. [2021-03-26 01:10:23,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 170 transitions, 2195 flow [2021-03-26 01:10:23,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 170 transitions, 2106 flow, removed 25 selfloop flow, removed 4 redundant places. [2021-03-26 01:10:23,934 INFO L241 Difference]: Finished difference. Result has 115 places, 125 transitions, 1660 flow [2021-03-26 01:10:23,934 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1204, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1660, PETRI_PLACES=115, PETRI_TRANSITIONS=125} [2021-03-26 01:10:23,934 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 49 predicate places. [2021-03-26 01:10:23,934 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:23,934 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 125 transitions, 1660 flow [2021-03-26 01:10:23,935 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 125 transitions, 1660 flow [2021-03-26 01:10:23,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 125 transitions, 1660 flow [2021-03-26 01:10:23,959 INFO L129 PetriNetUnfolder]: 63/320 cut-off events. [2021-03-26 01:10:23,959 INFO L130 PetriNetUnfolder]: For 2236/2240 co-relation queries the response was YES. [2021-03-26 01:10:23,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1675 conditions, 320 events. 63/320 cut-off events. For 2236/2240 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2125 event pairs, 2 based on Foata normal form. 2/317 useless extension candidates. Maximal degree in co-relation 1590. Up to 72 conditions per place. [2021-03-26 01:10:23,961 INFO L142 LiptonReduction]: Number of co-enabled transitions 106 [2021-03-26 01:10:24,017 INFO L154 LiptonReduction]: Checked pairs total: 394 [2021-03-26 01:10:24,017 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 01:10:24,017 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 83 [2021-03-26 01:10:24,017 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 124 transitions, 1658 flow [2021-03-26 01:10:24,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 147.36363636363637) internal successors, (1621), 11 states have internal predecessors, (1621), 0 states have call successors, (0), 0 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 01:10:24,017 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:24,018 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:24,018 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 01:10:24,018 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:24,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:24,018 INFO L82 PathProgramCache]: Analyzing trace with hash -174358241, now seen corresponding path program 1 times [2021-03-26 01:10:24,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:24,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604210881] [2021-03-26 01:10:24,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:24,064 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.0 percent of original size [2021-03-26 01:10:24,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 01:10:24,091 INFO L142 QuantifierPusher]: treesize reduction 6, result has 92.1 percent of original size [2021-03-26 01:10:24,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 01:10:24,127 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size [2021-03-26 01:10:24,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 01:10:24,160 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size [2021-03-26 01:10:24,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 01:10:24,193 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size [2021-03-26 01:10:24,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 01:10:24,210 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-03-26 01:10:24,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 01:10:24,226 INFO L142 QuantifierPusher]: treesize reduction 34, result has 40.4 percent of original size [2021-03-26 01:10:24,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:10:24,249 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 01:10:24,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 01:10:24,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:24,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 01:10:24,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:24,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:24,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:24,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:24,292 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 01:10:24,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604210881] [2021-03-26 01:10:24,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:24,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:10:24,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798519075] [2021-03-26 01:10:24,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:10:24,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:24,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:10:24,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:10:24,294 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 342 [2021-03-26 01:10:24,295 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 124 transitions, 1658 flow. Second operand has 12 states, 12 states have (on average 150.08333333333334) internal successors, (1801), 12 states have internal predecessors, (1801), 0 states have call successors, (0), 0 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 01:10:24,295 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:24,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 342 [2021-03-26 01:10:24,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:24,883 INFO L129 PetriNetUnfolder]: 124/421 cut-off events. [2021-03-26 01:10:24,884 INFO L130 PetriNetUnfolder]: For 3190/3197 co-relation queries the response was YES. [2021-03-26 01:10:24,885 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2474 conditions, 421 events. 124/421 cut-off events. For 3190/3197 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2662 event pairs, 36 based on Foata normal form. 1/417 useless extension candidates. Maximal degree in co-relation 2326. Up to 326 conditions per place. [2021-03-26 01:10:24,886 INFO L132 encePairwiseOnDemand]: 327/342 looper letters, 100 selfloop transitions, 23 changer transitions 8/135 dead transitions. [2021-03-26 01:10:24,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 135 transitions, 2018 flow [2021-03-26 01:10:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 01:10:24,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 01:10:24,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1694 transitions. [2021-03-26 01:10:24,889 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4502923976608187 [2021-03-26 01:10:24,889 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1694 transitions. [2021-03-26 01:10:24,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1694 transitions. [2021-03-26 01:10:24,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:24,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1694 transitions. [2021-03-26 01:10:24,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 154.0) internal successors, (1694), 11 states have internal predecessors, (1694), 0 states have call successors, (0), 0 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 01:10:24,893 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 342.0) internal successors, (4104), 12 states have internal predecessors, (4104), 0 states have call successors, (0), 0 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 01:10:24,893 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 342.0) internal successors, (4104), 12 states have internal predecessors, (4104), 0 states have call successors, (0), 0 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 01:10:24,893 INFO L185 Difference]: Start difference. First operand has 114 places, 124 transitions, 1658 flow. Second operand 11 states and 1694 transitions. [2021-03-26 01:10:24,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 135 transitions, 2018 flow [2021-03-26 01:10:24,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 135 transitions, 1948 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 01:10:24,904 INFO L241 Difference]: Finished difference. Result has 121 places, 125 transitions, 1661 flow [2021-03-26 01:10:24,904 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=1591, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1661, PETRI_PLACES=121, PETRI_TRANSITIONS=125} [2021-03-26 01:10:24,904 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 55 predicate places. [2021-03-26 01:10:24,904 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:24,904 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 125 transitions, 1661 flow [2021-03-26 01:10:24,904 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 125 transitions, 1661 flow [2021-03-26 01:10:24,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 125 transitions, 1661 flow [2021-03-26 01:10:24,929 INFO L129 PetriNetUnfolder]: 62/311 cut-off events. [2021-03-26 01:10:24,929 INFO L130 PetriNetUnfolder]: For 2142/2146 co-relation queries the response was YES. [2021-03-26 01:10:24,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1640 conditions, 311 events. 62/311 cut-off events. For 2142/2146 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2091 event pairs, 2 based on Foata normal form. 2/308 useless extension candidates. Maximal degree in co-relation 1592. Up to 71 conditions per place. [2021-03-26 01:10:24,931 INFO L142 LiptonReduction]: Number of co-enabled transitions 92 [2021-03-26 01:10:24,936 INFO L154 LiptonReduction]: Checked pairs total: 182 [2021-03-26 01:10:24,936 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:24,936 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-03-26 01:10:24,937 INFO L480 AbstractCegarLoop]: Abstraction has has 119 places, 125 transitions, 1661 flow [2021-03-26 01:10:24,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 150.08333333333334) internal successors, (1801), 12 states have internal predecessors, (1801), 0 states have call successors, (0), 0 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 01:10:24,937 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:24,937 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:24,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 01:10:24,937 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:24,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:24,937 INFO L82 PathProgramCache]: Analyzing trace with hash -547795929, now seen corresponding path program 2 times [2021-03-26 01:10:24,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:24,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437623309] [2021-03-26 01:10:24,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:24,983 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.0 percent of original size [2021-03-26 01:10:24,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 01:10:25,014 INFO L142 QuantifierPusher]: treesize reduction 6, result has 92.1 percent of original size [2021-03-26 01:10:25,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 01:10:25,052 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size [2021-03-26 01:10:25,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 01:10:25,087 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size [2021-03-26 01:10:25,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 01:10:25,121 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size [2021-03-26 01:10:25,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 01:10:25,138 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-03-26 01:10:25,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 01:10:25,155 INFO L142 QuantifierPusher]: treesize reduction 34, result has 40.4 percent of original size [2021-03-26 01:10:25,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:10:25,176 INFO L142 QuantifierPusher]: treesize reduction 34, result has 39.3 percent of original size [2021-03-26 01:10:25,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 01:10:25,200 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-26 01:10:25,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 01:10:25,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:25,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:25,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:25,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:10:25,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437623309] [2021-03-26 01:10:25,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:25,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:10:25,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566205693] [2021-03-26 01:10:25,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:10:25,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:25,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:10:25,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:10:25,236 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 342 [2021-03-26 01:10:25,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 125 transitions, 1661 flow. Second operand has 12 states, 12 states have (on average 150.08333333333334) internal successors, (1801), 12 states have internal predecessors, (1801), 0 states have call successors, (0), 0 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 01:10:25,237 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:25,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 342 [2021-03-26 01:10:25,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:25,816 INFO L129 PetriNetUnfolder]: 119/397 cut-off events. [2021-03-26 01:10:25,816 INFO L130 PetriNetUnfolder]: For 3015/3025 co-relation queries the response was YES. [2021-03-26 01:10:25,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2373 conditions, 397 events. 119/397 cut-off events. For 3015/3025 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2422 event pairs, 40 based on Foata normal form. 4/396 useless extension candidates. Maximal degree in co-relation 2333. Up to 321 conditions per place. [2021-03-26 01:10:25,818 INFO L132 encePairwiseOnDemand]: 328/342 looper letters, 98 selfloop transitions, 18 changer transitions 7/127 dead transitions. [2021-03-26 01:10:25,818 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 127 transitions, 1910 flow [2021-03-26 01:10:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 01:10:25,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 01:10:25,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1539 transitions. [2021-03-26 01:10:25,824 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45 [2021-03-26 01:10:25,824 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1539 transitions. [2021-03-26 01:10:25,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1539 transitions. [2021-03-26 01:10:25,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:25,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1539 transitions. [2021-03-26 01:10:25,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 153.9) internal successors, (1539), 10 states have internal predecessors, (1539), 0 states have call successors, (0), 0 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 01:10:25,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 342.0) internal successors, (3762), 11 states have internal predecessors, (3762), 0 states have call successors, (0), 0 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 01:10:25,828 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 342.0) internal successors, (3762), 11 states have internal predecessors, (3762), 0 states have call successors, (0), 0 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 01:10:25,828 INFO L185 Difference]: Start difference. First operand has 119 places, 125 transitions, 1661 flow. Second operand 10 states and 1539 transitions. [2021-03-26 01:10:25,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 127 transitions, 1910 flow [2021-03-26 01:10:25,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 127 transitions, 1868 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-03-26 01:10:25,840 INFO L241 Difference]: Finished difference. Result has 123 places, 119 transitions, 1569 flow [2021-03-26 01:10:25,840 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=1599, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1569, PETRI_PLACES=123, PETRI_TRANSITIONS=119} [2021-03-26 01:10:25,840 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 57 predicate places. [2021-03-26 01:10:25,840 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:25,840 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 119 transitions, 1569 flow [2021-03-26 01:10:25,840 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 119 transitions, 1569 flow [2021-03-26 01:10:25,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 119 transitions, 1569 flow [2021-03-26 01:10:25,863 INFO L129 PetriNetUnfolder]: 62/296 cut-off events. [2021-03-26 01:10:25,863 INFO L130 PetriNetUnfolder]: For 2002/2005 co-relation queries the response was YES. [2021-03-26 01:10:25,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1559 conditions, 296 events. 62/296 cut-off events. For 2002/2005 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1916 event pairs, 2 based on Foata normal form. 1/292 useless extension candidates. Maximal degree in co-relation 1469. Up to 67 conditions per place. [2021-03-26 01:10:25,865 INFO L142 LiptonReduction]: Number of co-enabled transitions 84 [2021-03-26 01:10:26,236 INFO L154 LiptonReduction]: Checked pairs total: 546 [2021-03-26 01:10:26,236 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 01:10:26,236 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 396 [2021-03-26 01:10:26,237 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 117 transitions, 1551 flow [2021-03-26 01:10:26,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 150.08333333333334) internal successors, (1801), 12 states have internal predecessors, (1801), 0 states have call successors, (0), 0 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 01:10:26,237 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:26,237 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:26,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 01:10:26,237 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:26,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:26,238 INFO L82 PathProgramCache]: Analyzing trace with hash -17621197, now seen corresponding path program 1 times [2021-03-26 01:10:26,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:26,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794883170] [2021-03-26 01:10:26,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:26,292 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-26 01:10:26,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:26,304 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.7 percent of original size [2021-03-26 01:10:26,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:10:26,321 INFO L142 QuantifierPusher]: treesize reduction 9, result has 79.5 percent of original size [2021-03-26 01:10:26,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:10:26,339 INFO L142 QuantifierPusher]: treesize reduction 9, result has 79.5 percent of original size [2021-03-26 01:10:26,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:10:26,358 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-26 01:10:26,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:10:26,374 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-26 01:10:26,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:10:26,391 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-03-26 01:10:26,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:10:26,409 INFO L142 QuantifierPusher]: treesize reduction 34, result has 39.3 percent of original size [2021-03-26 01:10:26,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 01:10:26,445 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-26 01:10:26,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 01:10:26,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:26,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:26,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:26,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:26,477 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 01:10:26,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794883170] [2021-03-26 01:10:26,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:26,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:10:26,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610939217] [2021-03-26 01:10:26,478 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:10:26,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:26,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:10:26,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:10:26,480 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 344 [2021-03-26 01:10:26,481 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 117 transitions, 1551 flow. Second operand has 12 states, 12 states have (on average 150.08333333333334) internal successors, (1801), 12 states have internal predecessors, (1801), 0 states have call successors, (0), 0 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 01:10:26,481 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:26,481 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 344 [2021-03-26 01:10:26,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:26,916 INFO L129 PetriNetUnfolder]: 116/376 cut-off events. [2021-03-26 01:10:26,917 INFO L130 PetriNetUnfolder]: For 2840/2840 co-relation queries the response was YES. [2021-03-26 01:10:26,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2252 conditions, 376 events. 116/376 cut-off events. For 2840/2840 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2213 event pairs, 38 based on Foata normal form. 1/372 useless extension candidates. Maximal degree in co-relation 2146. Up to 314 conditions per place. [2021-03-26 01:10:26,919 INFO L132 encePairwiseOnDemand]: 332/344 looper letters, 95 selfloop transitions, 14 changer transitions 6/119 dead transitions. [2021-03-26 01:10:26,919 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 119 transitions, 1790 flow [2021-03-26 01:10:26,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 01:10:26,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 01:10:26,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1236 transitions. [2021-03-26 01:10:26,921 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4491279069767442 [2021-03-26 01:10:26,921 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1236 transitions. [2021-03-26 01:10:26,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1236 transitions. [2021-03-26 01:10:26,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:26,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1236 transitions. [2021-03-26 01:10:26,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 154.5) internal successors, (1236), 8 states have internal predecessors, (1236), 0 states have call successors, (0), 0 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 01:10:26,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 344.0) internal successors, (3096), 9 states have internal predecessors, (3096), 0 states have call successors, (0), 0 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 01:10:26,924 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 344.0) internal successors, (3096), 9 states have internal predecessors, (3096), 0 states have call successors, (0), 0 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 01:10:26,924 INFO L185 Difference]: Start difference. First operand has 114 places, 117 transitions, 1551 flow. Second operand 8 states and 1236 transitions. [2021-03-26 01:10:26,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 119 transitions, 1790 flow [2021-03-26 01:10:26,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 119 transitions, 1671 flow, removed 11 selfloop flow, removed 11 redundant places. [2021-03-26 01:10:26,933 INFO L241 Difference]: Finished difference. Result has 110 places, 112 transitions, 1394 flow [2021-03-26 01:10:26,933 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=1420, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1394, PETRI_PLACES=110, PETRI_TRANSITIONS=112} [2021-03-26 01:10:26,934 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 44 predicate places. [2021-03-26 01:10:26,934 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:26,934 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 112 transitions, 1394 flow [2021-03-26 01:10:26,934 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 112 transitions, 1394 flow [2021-03-26 01:10:26,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 112 transitions, 1394 flow [2021-03-26 01:10:26,955 INFO L129 PetriNetUnfolder]: 61/283 cut-off events. [2021-03-26 01:10:26,955 INFO L130 PetriNetUnfolder]: For 1680/1684 co-relation queries the response was YES. [2021-03-26 01:10:26,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1426 conditions, 283 events. 61/283 cut-off events. For 1680/1684 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1792 event pairs, 2 based on Foata normal form. 1/279 useless extension candidates. Maximal degree in co-relation 1354. Up to 63 conditions per place. [2021-03-26 01:10:26,957 INFO L142 LiptonReduction]: Number of co-enabled transitions 84 [2021-03-26 01:10:26,961 INFO L154 LiptonReduction]: Checked pairs total: 195 [2021-03-26 01:10:26,961 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:26,961 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-03-26 01:10:26,961 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 112 transitions, 1394 flow [2021-03-26 01:10:26,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 150.08333333333334) internal successors, (1801), 12 states have internal predecessors, (1801), 0 states have call successors, (0), 0 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 01:10:26,962 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:26,962 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:26,962 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 01:10:26,962 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:26,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:26,962 INFO L82 PathProgramCache]: Analyzing trace with hash -289864309, now seen corresponding path program 1 times [2021-03-26 01:10:26,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:26,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832885344] [2021-03-26 01:10:26,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:27,016 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.5 percent of original size [2021-03-26 01:10:27,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:10:27,033 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-03-26 01:10:27,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 01:10:27,064 INFO L142 QuantifierPusher]: treesize reduction 29, result has 50.8 percent of original size [2021-03-26 01:10:27,064 INFO L147 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size 25 [2021-03-26 01:10:27,086 INFO L142 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size [2021-03-26 01:10:27,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 01:10:27,122 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.5 percent of original size [2021-03-26 01:10:27,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:10:27,147 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.5 percent of original size [2021-03-26 01:10:27,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:10:27,172 INFO L142 QuantifierPusher]: treesize reduction 8, result has 84.9 percent of original size [2021-03-26 01:10:27,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 01:10:27,199 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.1 percent of original size [2021-03-26 01:10:27,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:27,226 INFO L142 QuantifierPusher]: treesize reduction 29, result has 55.4 percent of original size [2021-03-26 01:10:27,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 01:10:27,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:27,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:27,269 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 01:10:27,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832885344] [2021-03-26 01:10:27,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:27,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:10:27,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855405640] [2021-03-26 01:10:27,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:10:27,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:27,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:10:27,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:10:27,271 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 344 [2021-03-26 01:10:27,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 112 transitions, 1394 flow. Second operand has 12 states, 12 states have (on average 140.16666666666666) internal successors, (1682), 12 states have internal predecessors, (1682), 0 states have call successors, (0), 0 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 01:10:27,272 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:27,272 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 344 [2021-03-26 01:10:27,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:27,910 INFO L129 PetriNetUnfolder]: 148/453 cut-off events. [2021-03-26 01:10:27,911 INFO L130 PetriNetUnfolder]: For 3030/3034 co-relation queries the response was YES. [2021-03-26 01:10:27,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2573 conditions, 453 events. 148/453 cut-off events. For 3030/3034 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2777 event pairs, 34 based on Foata normal form. 4/452 useless extension candidates. Maximal degree in co-relation 2481. Up to 324 conditions per place. [2021-03-26 01:10:27,913 INFO L132 encePairwiseOnDemand]: 328/344 looper letters, 114 selfloop transitions, 44 changer transitions 0/162 dead transitions. [2021-03-26 01:10:27,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 162 transitions, 2243 flow [2021-03-26 01:10:27,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 01:10:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 01:10:27,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1879 transitions. [2021-03-26 01:10:27,915 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.420169946332737 [2021-03-26 01:10:27,915 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1879 transitions. [2021-03-26 01:10:27,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1879 transitions. [2021-03-26 01:10:27,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:27,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1879 transitions. [2021-03-26 01:10:27,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 144.53846153846155) internal successors, (1879), 13 states have internal predecessors, (1879), 0 states have call successors, (0), 0 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 01:10:27,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 344.0) internal successors, (4816), 14 states have internal predecessors, (4816), 0 states have call successors, (0), 0 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 01:10:27,919 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 344.0) internal successors, (4816), 14 states have internal predecessors, (4816), 0 states have call successors, (0), 0 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 01:10:27,919 INFO L185 Difference]: Start difference. First operand has 104 places, 112 transitions, 1394 flow. Second operand 13 states and 1879 transitions. [2021-03-26 01:10:27,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 162 transitions, 2243 flow [2021-03-26 01:10:27,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 162 transitions, 2199 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-03-26 01:10:27,929 INFO L241 Difference]: Finished difference. Result has 116 places, 142 transitions, 1838 flow [2021-03-26 01:10:27,929 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=1360, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1838, PETRI_PLACES=116, PETRI_TRANSITIONS=142} [2021-03-26 01:10:27,930 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 50 predicate places. [2021-03-26 01:10:27,930 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:27,930 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 142 transitions, 1838 flow [2021-03-26 01:10:27,930 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 142 transitions, 1838 flow [2021-03-26 01:10:27,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 116 places, 142 transitions, 1838 flow [2021-03-26 01:10:27,958 INFO L129 PetriNetUnfolder]: 92/367 cut-off events. [2021-03-26 01:10:27,959 INFO L130 PetriNetUnfolder]: For 2635/2661 co-relation queries the response was YES. [2021-03-26 01:10:27,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1962 conditions, 367 events. 92/367 cut-off events. For 2635/2661 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2473 event pairs, 4 based on Foata normal form. 16/375 useless extension candidates. Maximal degree in co-relation 1867. Up to 92 conditions per place. [2021-03-26 01:10:27,961 INFO L142 LiptonReduction]: Number of co-enabled transitions 98 [2021-03-26 01:10:28,313 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 01:10:28,313 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 01:10:28,313 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 383 [2021-03-26 01:10:28,314 INFO L480 AbstractCegarLoop]: Abstraction has has 116 places, 142 transitions, 1856 flow [2021-03-26 01:10:28,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 140.16666666666666) internal successors, (1682), 12 states have internal predecessors, (1682), 0 states have call successors, (0), 0 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 01:10:28,314 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:28,314 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:28,314 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 01:10:28,314 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:28,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:28,314 INFO L82 PathProgramCache]: Analyzing trace with hash 2066301155, now seen corresponding path program 2 times [2021-03-26 01:10:28,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:28,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016083457] [2021-03-26 01:10:28,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:28,369 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size [2021-03-26 01:10:28,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 01:10:28,384 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-26 01:10:28,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 01:10:28,410 INFO L142 QuantifierPusher]: treesize reduction 11, result has 69.4 percent of original size [2021-03-26 01:10:28,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:28,424 INFO L142 QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size [2021-03-26 01:10:28,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:28,441 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-26 01:10:28,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:10:28,453 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-26 01:10:28,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:10:28,466 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 01:10:28,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 01:10:28,480 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-26 01:10:28,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 01:10:28,494 INFO L142 QuantifierPusher]: treesize reduction 6, result has 70.0 percent of original size [2021-03-26 01:10:28,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:28,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:28,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:28,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:28,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:28,523 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 01:10:28,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016083457] [2021-03-26 01:10:28,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:28,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:10:28,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460904812] [2021-03-26 01:10:28,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:10:28,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:28,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:10:28,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:10:28,525 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 347 [2021-03-26 01:10:28,525 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 142 transitions, 1856 flow. Second operand has 12 states, 12 states have (on average 140.16666666666666) internal successors, (1682), 12 states have internal predecessors, (1682), 0 states have call successors, (0), 0 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 01:10:28,525 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:28,526 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 347 [2021-03-26 01:10:28,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:29,145 INFO L129 PetriNetUnfolder]: 151/469 cut-off events. [2021-03-26 01:10:29,145 INFO L130 PetriNetUnfolder]: For 3623/3631 co-relation queries the response was YES. [2021-03-26 01:10:29,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2885 conditions, 469 events. 151/469 cut-off events. For 3623/3631 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2946 event pairs, 35 based on Foata normal form. 8/472 useless extension candidates. Maximal degree in co-relation 2763. Up to 324 conditions per place. [2021-03-26 01:10:29,148 INFO L132 encePairwiseOnDemand]: 328/347 looper letters, 127 selfloop transitions, 44 changer transitions 0/175 dead transitions. [2021-03-26 01:10:29,148 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 175 transitions, 2571 flow [2021-03-26 01:10:29,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:10:29,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:10:29,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1743 transitions. [2021-03-26 01:10:29,150 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4185878962536023 [2021-03-26 01:10:29,150 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1743 transitions. [2021-03-26 01:10:29,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1743 transitions. [2021-03-26 01:10:29,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:29,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1743 transitions. [2021-03-26 01:10:29,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 145.25) internal successors, (1743), 12 states have internal predecessors, (1743), 0 states have call successors, (0), 0 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 01:10:29,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 347.0) internal successors, (4511), 13 states have internal predecessors, (4511), 0 states have call successors, (0), 0 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 01:10:29,153 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 347.0) internal successors, (4511), 13 states have internal predecessors, (4511), 0 states have call successors, (0), 0 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 01:10:29,154 INFO L185 Difference]: Start difference. First operand has 116 places, 142 transitions, 1856 flow. Second operand 12 states and 1743 transitions. [2021-03-26 01:10:29,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 175 transitions, 2571 flow [2021-03-26 01:10:29,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 175 transitions, 2488 flow, removed 38 selfloop flow, removed 2 redundant places. [2021-03-26 01:10:29,166 INFO L241 Difference]: Finished difference. Result has 129 places, 155 transitions, 2072 flow [2021-03-26 01:10:29,166 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=347, PETRI_DIFFERENCE_MINUEND_FLOW=1783, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2072, PETRI_PLACES=129, PETRI_TRANSITIONS=155} [2021-03-26 01:10:29,166 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 63 predicate places. [2021-03-26 01:10:29,166 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:29,166 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 129 places, 155 transitions, 2072 flow [2021-03-26 01:10:29,166 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 129 places, 155 transitions, 2072 flow [2021-03-26 01:10:29,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 155 transitions, 2072 flow [2021-03-26 01:10:29,197 INFO L129 PetriNetUnfolder]: 91/381 cut-off events. [2021-03-26 01:10:29,197 INFO L130 PetriNetUnfolder]: For 2920/2948 co-relation queries the response was YES. [2021-03-26 01:10:29,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2118 conditions, 381 events. 91/381 cut-off events. For 2920/2948 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2625 event pairs, 4 based on Foata normal form. 18/391 useless extension candidates. Maximal degree in co-relation 1998. Up to 96 conditions per place. [2021-03-26 01:10:29,199 INFO L142 LiptonReduction]: Number of co-enabled transitions 110 [2021-03-26 01:10:29,203 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 01:10:29,203 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:29,203 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-26 01:10:29,203 INFO L480 AbstractCegarLoop]: Abstraction has has 129 places, 155 transitions, 2072 flow [2021-03-26 01:10:29,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 140.16666666666666) internal successors, (1682), 12 states have internal predecessors, (1682), 0 states have call successors, (0), 0 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 01:10:29,204 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:29,204 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:29,204 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-26 01:10:29,204 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:29,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:29,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1957092062, now seen corresponding path program 1 times [2021-03-26 01:10:29,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:29,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803430346] [2021-03-26 01:10:29,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:29,244 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.8 percent of original size [2021-03-26 01:10:29,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 01:10:29,262 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-26 01:10:29,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 01:10:29,289 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.0 percent of original size [2021-03-26 01:10:29,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 01:10:29,309 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.0 percent of original size [2021-03-26 01:10:29,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 01:10:29,315 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-26 01:10:29,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:29,328 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-26 01:10:29,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:29,343 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-26 01:10:29,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:29,359 INFO L142 QuantifierPusher]: treesize reduction 31, result has 45.6 percent of original size [2021-03-26 01:10:29,359 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-26 01:10:29,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:29,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 01:10:29,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:29,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:29,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:29,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:29,410 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 01:10:29,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803430346] [2021-03-26 01:10:29,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:29,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 01:10:29,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121640558] [2021-03-26 01:10:29,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 01:10:29,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:29,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 01:10:29,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 01:10:29,412 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 347 [2021-03-26 01:10:29,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 155 transitions, 2072 flow. Second operand has 11 states, 11 states have (on average 141.1818181818182) internal successors, (1553), 11 states have internal predecessors, (1553), 0 states have call successors, (0), 0 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 01:10:29,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:29,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 347 [2021-03-26 01:10:29,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:30,040 INFO L129 PetriNetUnfolder]: 155/504 cut-off events. [2021-03-26 01:10:30,041 INFO L130 PetriNetUnfolder]: For 4114/4120 co-relation queries the response was YES. [2021-03-26 01:10:30,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3184 conditions, 504 events. 155/504 cut-off events. For 4114/4120 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3315 event pairs, 35 based on Foata normal form. 6/505 useless extension candidates. Maximal degree in co-relation 2977. Up to 382 conditions per place. [2021-03-26 01:10:30,043 INFO L132 encePairwiseOnDemand]: 328/347 looper letters, 137 selfloop transitions, 40 changer transitions 0/181 dead transitions. [2021-03-26 01:10:30,043 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 181 transitions, 2788 flow [2021-03-26 01:10:30,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 01:10:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 01:10:30,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1605 transitions. [2021-03-26 01:10:30,045 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42048729368614096 [2021-03-26 01:10:30,045 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1605 transitions. [2021-03-26 01:10:30,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1605 transitions. [2021-03-26 01:10:30,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:30,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1605 transitions. [2021-03-26 01:10:30,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 145.9090909090909) internal successors, (1605), 11 states have internal predecessors, (1605), 0 states have call successors, (0), 0 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 01:10:30,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 347.0) internal successors, (4164), 12 states have internal predecessors, (4164), 0 states have call successors, (0), 0 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 01:10:30,048 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 347.0) internal successors, (4164), 12 states have internal predecessors, (4164), 0 states have call successors, (0), 0 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 01:10:30,048 INFO L185 Difference]: Start difference. First operand has 129 places, 155 transitions, 2072 flow. Second operand 11 states and 1605 transitions. [2021-03-26 01:10:30,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 181 transitions, 2788 flow [2021-03-26 01:10:30,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 181 transitions, 2723 flow, removed 2 selfloop flow, removed 7 redundant places. [2021-03-26 01:10:30,063 INFO L241 Difference]: Finished difference. Result has 137 places, 170 transitions, 2379 flow [2021-03-26 01:10:30,063 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=347, PETRI_DIFFERENCE_MINUEND_FLOW=2014, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2379, PETRI_PLACES=137, PETRI_TRANSITIONS=170} [2021-03-26 01:10:30,064 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 71 predicate places. [2021-03-26 01:10:30,064 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:30,064 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 170 transitions, 2379 flow [2021-03-26 01:10:30,064 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 170 transitions, 2379 flow [2021-03-26 01:10:30,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 137 places, 170 transitions, 2379 flow [2021-03-26 01:10:30,098 INFO L129 PetriNetUnfolder]: 91/411 cut-off events. [2021-03-26 01:10:30,098 INFO L130 PetriNetUnfolder]: For 3541/3567 co-relation queries the response was YES. [2021-03-26 01:10:30,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2341 conditions, 411 events. 91/411 cut-off events. For 3541/3567 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2994 event pairs, 4 based on Foata normal form. 15/418 useless extension candidates. Maximal degree in co-relation 2226. Up to 104 conditions per place. [2021-03-26 01:10:30,101 INFO L142 LiptonReduction]: Number of co-enabled transitions 122 [2021-03-26 01:10:30,105 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 01:10:30,105 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:30,105 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-03-26 01:10:30,105 INFO L480 AbstractCegarLoop]: Abstraction has has 137 places, 170 transitions, 2379 flow [2021-03-26 01:10:30,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 141.1818181818182) internal successors, (1553), 11 states have internal predecessors, (1553), 0 states have call successors, (0), 0 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 01:10:30,106 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:30,106 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:30,106 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-26 01:10:30,106 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:30,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:30,106 INFO L82 PathProgramCache]: Analyzing trace with hash 700792446, now seen corresponding path program 1 times [2021-03-26 01:10:30,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:30,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6707911] [2021-03-26 01:10:30,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:30,146 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size [2021-03-26 01:10:30,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 01:10:30,162 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-26 01:10:30,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 01:10:30,188 INFO L142 QuantifierPusher]: treesize reduction 11, result has 69.4 percent of original size [2021-03-26 01:10:30,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:30,202 INFO L142 QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size [2021-03-26 01:10:30,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:30,217 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-26 01:10:30,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:10:30,229 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-26 01:10:30,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:10:30,241 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-03-26 01:10:30,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 01:10:30,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:30,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 01:10:30,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:30,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:30,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:30,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:30,281 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 01:10:30,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6707911] [2021-03-26 01:10:30,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:30,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 01:10:30,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538944955] [2021-03-26 01:10:30,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 01:10:30,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:30,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 01:10:30,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 01:10:30,282 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 347 [2021-03-26 01:10:30,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 170 transitions, 2379 flow. Second operand has 11 states, 11 states have (on average 141.1818181818182) internal successors, (1553), 11 states have internal predecessors, (1553), 0 states have call successors, (0), 0 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 01:10:30,283 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:30,283 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 347 [2021-03-26 01:10:30,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:30,818 INFO L129 PetriNetUnfolder]: 154/513 cut-off events. [2021-03-26 01:10:30,818 INFO L130 PetriNetUnfolder]: For 4864/4870 co-relation queries the response was YES. [2021-03-26 01:10:30,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3344 conditions, 513 events. 154/513 cut-off events. For 4864/4870 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3421 event pairs, 36 based on Foata normal form. 6/514 useless extension candidates. Maximal degree in co-relation 3209. Up to 382 conditions per place. [2021-03-26 01:10:30,820 INFO L132 encePairwiseOnDemand]: 329/347 looper letters, 132 selfloop transitions, 55 changer transitions 0/191 dead transitions. [2021-03-26 01:10:30,820 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 191 transitions, 3040 flow [2021-03-26 01:10:30,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 01:10:30,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 01:10:30,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1609 transitions. [2021-03-26 01:10:30,822 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42153523709719676 [2021-03-26 01:10:30,822 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1609 transitions. [2021-03-26 01:10:30,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1609 transitions. [2021-03-26 01:10:30,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:30,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1609 transitions. [2021-03-26 01:10:30,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 146.27272727272728) internal successors, (1609), 11 states have internal predecessors, (1609), 0 states have call successors, (0), 0 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 01:10:30,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 347.0) internal successors, (4164), 12 states have internal predecessors, (4164), 0 states have call successors, (0), 0 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 01:10:30,826 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 347.0) internal successors, (4164), 12 states have internal predecessors, (4164), 0 states have call successors, (0), 0 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 01:10:30,826 INFO L185 Difference]: Start difference. First operand has 137 places, 170 transitions, 2379 flow. Second operand 11 states and 1609 transitions. [2021-03-26 01:10:30,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 191 transitions, 3040 flow [2021-03-26 01:10:30,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 191 transitions, 2991 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-03-26 01:10:30,844 INFO L241 Difference]: Finished difference. Result has 147 places, 176 transitions, 2593 flow [2021-03-26 01:10:30,845 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=347, PETRI_DIFFERENCE_MINUEND_FLOW=2330, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2593, PETRI_PLACES=147, PETRI_TRANSITIONS=176} [2021-03-26 01:10:30,845 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 81 predicate places. [2021-03-26 01:10:30,845 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:30,845 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 176 transitions, 2593 flow [2021-03-26 01:10:30,845 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 176 transitions, 2593 flow [2021-03-26 01:10:30,846 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 147 places, 176 transitions, 2593 flow [2021-03-26 01:10:30,883 INFO L129 PetriNetUnfolder]: 91/420 cut-off events. [2021-03-26 01:10:30,883 INFO L130 PetriNetUnfolder]: For 4314/4348 co-relation queries the response was YES. [2021-03-26 01:10:30,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2487 conditions, 420 events. 91/420 cut-off events. For 4314/4348 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3098 event pairs, 4 based on Foata normal form. 19/431 useless extension candidates. Maximal degree in co-relation 2361. Up to 109 conditions per place. [2021-03-26 01:10:30,886 INFO L142 LiptonReduction]: Number of co-enabled transitions 120 [2021-03-26 01:10:30,890 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 01:10:30,890 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:30,890 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-03-26 01:10:30,891 INFO L480 AbstractCegarLoop]: Abstraction has has 147 places, 176 transitions, 2593 flow [2021-03-26 01:10:30,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 141.1818181818182) internal successors, (1553), 11 states have internal predecessors, (1553), 0 states have call successors, (0), 0 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 01:10:30,891 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:30,891 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:30,891 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-26 01:10:30,891 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:30,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:30,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1332829488, now seen corresponding path program 1 times [2021-03-26 01:10:30,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:30,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234100259] [2021-03-26 01:10:30,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:30,933 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.8 percent of original size [2021-03-26 01:10:30,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 01:10:30,951 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-26 01:10:30,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 01:10:30,980 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.0 percent of original size [2021-03-26 01:10:30,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 01:10:30,998 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.0 percent of original size [2021-03-26 01:10:30,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 01:10:31,004 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-26 01:10:31,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:31,017 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-26 01:10:31,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:31,032 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-26 01:10:31,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:31,046 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-26 01:10:31,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:31,062 INFO L142 QuantifierPusher]: treesize reduction 31, result has 44.6 percent of original size [2021-03-26 01:10:31,063 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-03-26 01:10:31,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:31,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:31,099 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 01:10:31,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234100259] [2021-03-26 01:10:31,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:31,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 01:10:31,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292240235] [2021-03-26 01:10:31,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 01:10:31,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:31,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 01:10:31,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 01:10:31,102 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 347 [2021-03-26 01:10:31,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 176 transitions, 2593 flow. Second operand has 11 states, 11 states have (on average 141.1818181818182) internal successors, (1553), 11 states have internal predecessors, (1553), 0 states have call successors, (0), 0 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 01:10:31,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:31,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 347 [2021-03-26 01:10:31,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:31,760 INFO L129 PetriNetUnfolder]: 158/532 cut-off events. [2021-03-26 01:10:31,760 INFO L130 PetriNetUnfolder]: For 5524/5530 co-relation queries the response was YES. [2021-03-26 01:10:31,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3534 conditions, 532 events. 158/532 cut-off events. For 5524/5530 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3624 event pairs, 38 based on Foata normal form. 8/535 useless extension candidates. Maximal degree in co-relation 3399. Up to 400 conditions per place. [2021-03-26 01:10:31,763 INFO L132 encePairwiseOnDemand]: 331/347 looper letters, 154 selfloop transitions, 21 changer transitions 18/197 dead transitions. [2021-03-26 01:10:31,763 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 197 transitions, 3189 flow [2021-03-26 01:10:31,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 01:10:31,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 01:10:31,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1463 transitions. [2021-03-26 01:10:31,765 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42161383285302595 [2021-03-26 01:10:31,765 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1463 transitions. [2021-03-26 01:10:31,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1463 transitions. [2021-03-26 01:10:31,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:31,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1463 transitions. [2021-03-26 01:10:31,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 146.3) internal successors, (1463), 10 states have internal predecessors, (1463), 0 states have call successors, (0), 0 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 01:10:31,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 347.0) internal successors, (3817), 11 states have internal predecessors, (3817), 0 states have call successors, (0), 0 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 01:10:31,768 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 347.0) internal successors, (3817), 11 states have internal predecessors, (3817), 0 states have call successors, (0), 0 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 01:10:31,768 INFO L185 Difference]: Start difference. First operand has 147 places, 176 transitions, 2593 flow. Second operand 10 states and 1463 transitions. [2021-03-26 01:10:31,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 197 transitions, 3189 flow [2021-03-26 01:10:31,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 197 transitions, 3084 flow, removed 17 selfloop flow, removed 7 redundant places. [2021-03-26 01:10:31,790 INFO L241 Difference]: Finished difference. Result has 154 places, 173 transitions, 2532 flow [2021-03-26 01:10:31,790 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=347, PETRI_DIFFERENCE_MINUEND_FLOW=2472, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2532, PETRI_PLACES=154, PETRI_TRANSITIONS=173} [2021-03-26 01:10:31,792 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 88 predicate places. [2021-03-26 01:10:31,792 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:31,792 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 173 transitions, 2532 flow [2021-03-26 01:10:31,792 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 173 transitions, 2532 flow [2021-03-26 01:10:31,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 173 transitions, 2532 flow [2021-03-26 01:10:31,831 INFO L129 PetriNetUnfolder]: 87/413 cut-off events. [2021-03-26 01:10:31,831 INFO L130 PetriNetUnfolder]: For 4081/4093 co-relation queries the response was YES. [2021-03-26 01:10:31,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2425 conditions, 413 events. 87/413 cut-off events. For 4081/4093 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3067 event pairs, 4 based on Foata normal form. 7/412 useless extension candidates. Maximal degree in co-relation 2363. Up to 106 conditions per place. [2021-03-26 01:10:31,834 INFO L142 LiptonReduction]: Number of co-enabled transitions 114 [2021-03-26 01:10:31,839 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 01:10:31,839 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:31,839 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-03-26 01:10:31,839 INFO L480 AbstractCegarLoop]: Abstraction has has 151 places, 173 transitions, 2532 flow [2021-03-26 01:10:31,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 141.1818181818182) internal successors, (1553), 11 states have internal predecessors, (1553), 0 states have call successors, (0), 0 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 01:10:31,840 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:31,840 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:31,840 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-26 01:10:31,840 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:31,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:31,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1716654634, now seen corresponding path program 1 times [2021-03-26 01:10:31,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:31,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222552924] [2021-03-26 01:10:31,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:31,884 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 01:10:31,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 01:10:31,892 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-26 01:10:31,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 01:10:31,902 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 01:10:31,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 01:10:31,903 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 01:10:31,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 01:10:31,912 INFO L142 QuantifierPusher]: treesize reduction 23, result has 67.1 percent of original size [2021-03-26 01:10:31,913 INFO L147 QuantifierPusher]: treesize reduction 7, result has 85.1 percent of original size 40 [2021-03-26 01:10:31,943 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-03-26 01:10:31,943 INFO L147 QuantifierPusher]: treesize reduction 7, result has 84.8 percent of original size 39 [2021-03-26 01:10:31,976 INFO L142 QuantifierPusher]: treesize reduction 20, result has 72.6 percent of original size [2021-03-26 01:10:31,977 INFO L147 QuantifierPusher]: treesize reduction 7, result has 86.8 percent of original size 46 [2021-03-26 01:10:31,986 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 01:10:31,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:10:31,997 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 01:10:31,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222552924] [2021-03-26 01:10:31,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:31,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 01:10:31,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531371701] [2021-03-26 01:10:31,998 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 01:10:31,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:31,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 01:10:31,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 01:10:32,000 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 347 [2021-03-26 01:10:32,001 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 173 transitions, 2532 flow. Second operand has 8 states, 8 states have (on average 152.5) internal successors, (1220), 8 states have internal predecessors, (1220), 0 states have call successors, (0), 0 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 01:10:32,001 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:32,001 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 347 [2021-03-26 01:10:32,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:32,328 INFO L129 PetriNetUnfolder]: 165/607 cut-off events. [2021-03-26 01:10:32,328 INFO L130 PetriNetUnfolder]: For 6222/6231 co-relation queries the response was YES. [2021-03-26 01:10:32,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3810 conditions, 607 events. 165/607 cut-off events. For 6222/6231 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4483 event pairs, 27 based on Foata normal form. 13/615 useless extension candidates. Maximal degree in co-relation 3738. Up to 251 conditions per place. [2021-03-26 01:10:32,331 INFO L132 encePairwiseOnDemand]: 335/347 looper letters, 106 selfloop transitions, 68 changer transitions 32/213 dead transitions. [2021-03-26 01:10:32,331 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 213 transitions, 3335 flow [2021-03-26 01:10:32,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 01:10:32,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 01:10:32,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1108 transitions. [2021-03-26 01:10:32,344 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4561547962124331 [2021-03-26 01:10:32,344 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1108 transitions. [2021-03-26 01:10:32,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1108 transitions. [2021-03-26 01:10:32,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:32,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1108 transitions. [2021-03-26 01:10:32,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 158.28571428571428) internal successors, (1108), 7 states have internal predecessors, (1108), 0 states have call successors, (0), 0 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 01:10:32,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 347.0) internal successors, (2776), 8 states have internal predecessors, (2776), 0 states have call successors, (0), 0 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 01:10:32,346 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 347.0) internal successors, (2776), 8 states have internal predecessors, (2776), 0 states have call successors, (0), 0 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 01:10:32,346 INFO L185 Difference]: Start difference. First operand has 151 places, 173 transitions, 2532 flow. Second operand 7 states and 1108 transitions. [2021-03-26 01:10:32,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 213 transitions, 3335 flow [2021-03-26 01:10:32,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 213 transitions, 3278 flow, removed 13 selfloop flow, removed 7 redundant places. [2021-03-26 01:10:32,370 INFO L241 Difference]: Finished difference. Result has 151 places, 160 transitions, 2357 flow [2021-03-26 01:10:32,370 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=347, PETRI_DIFFERENCE_MINUEND_FLOW=2406, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2357, PETRI_PLACES=151, PETRI_TRANSITIONS=160} [2021-03-26 01:10:32,370 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 85 predicate places. [2021-03-26 01:10:32,370 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:32,371 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 160 transitions, 2357 flow [2021-03-26 01:10:32,371 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 160 transitions, 2357 flow [2021-03-26 01:10:32,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 147 places, 160 transitions, 2357 flow [2021-03-26 01:10:32,406 INFO L129 PetriNetUnfolder]: 79/398 cut-off events. [2021-03-26 01:10:32,406 INFO L130 PetriNetUnfolder]: For 3999/4009 co-relation queries the response was YES. [2021-03-26 01:10:32,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2279 conditions, 398 events. 79/398 cut-off events. For 3999/4009 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2896 event pairs, 4 based on Foata normal form. 9/399 useless extension candidates. Maximal degree in co-relation 2190. Up to 81 conditions per place. [2021-03-26 01:10:32,409 INFO L142 LiptonReduction]: Number of co-enabled transitions 112 [2021-03-26 01:10:32,471 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 01:10:32,471 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 01:10:32,471 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 101 [2021-03-26 01:10:32,472 INFO L480 AbstractCegarLoop]: Abstraction has has 147 places, 160 transitions, 2362 flow [2021-03-26 01:10:32,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 152.5) internal successors, (1220), 8 states have internal predecessors, (1220), 0 states have call successors, (0), 0 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 01:10:32,472 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:32,472 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:32,472 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-26 01:10:32,472 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:32,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:32,472 INFO L82 PathProgramCache]: Analyzing trace with hash 503189333, now seen corresponding path program 1 times [2021-03-26 01:10:32,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:32,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714745402] [2021-03-26 01:10:32,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:32,518 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.3 percent of original size [2021-03-26 01:10:32,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 01:10:32,535 INFO L142 QuantifierPusher]: treesize reduction 22, result has 68.6 percent of original size [2021-03-26 01:10:32,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 01:10:32,560 INFO L142 QuantifierPusher]: treesize reduction 48, result has 33.3 percent of original size [2021-03-26 01:10:32,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 01:10:32,574 INFO L142 QuantifierPusher]: treesize reduction 34, result has 61.4 percent of original size [2021-03-26 01:10:32,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 01:10:32,606 INFO L142 QuantifierPusher]: treesize reduction 7, result has 84.4 percent of original size [2021-03-26 01:10:32,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 01:10:32,633 INFO L142 QuantifierPusher]: treesize reduction 7, result has 84.4 percent of original size [2021-03-26 01:10:32,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 01:10:32,657 INFO L142 QuantifierPusher]: treesize reduction 7, result has 84.1 percent of original size [2021-03-26 01:10:32,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:32,681 INFO L142 QuantifierPusher]: treesize reduction 125, result has 35.9 percent of original size [2021-03-26 01:10:32,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 01:10:32,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:32,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:32,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:32,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:32,734 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 01:10:32,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714745402] [2021-03-26 01:10:32,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:32,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 01:10:32,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664487730] [2021-03-26 01:10:32,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 01:10:32,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:32,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 01:10:32,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 01:10:32,736 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 348 [2021-03-26 01:10:32,737 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 160 transitions, 2362 flow. Second operand has 11 states, 11 states have (on average 141.1818181818182) internal successors, (1553), 11 states have internal predecessors, (1553), 0 states have call successors, (0), 0 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 01:10:32,737 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:32,737 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 348 [2021-03-26 01:10:32,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:33,273 INFO L129 PetriNetUnfolder]: 158/541 cut-off events. [2021-03-26 01:10:33,273 INFO L130 PetriNetUnfolder]: For 5674/5680 co-relation queries the response was YES. [2021-03-26 01:10:33,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3453 conditions, 541 events. 158/541 cut-off events. For 5674/5680 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3700 event pairs, 50 based on Foata normal form. 7/543 useless extension candidates. Maximal degree in co-relation 3360. Up to 401 conditions per place. [2021-03-26 01:10:33,276 INFO L132 encePairwiseOnDemand]: 332/348 looper letters, 142 selfloop transitions, 34 changer transitions 3/183 dead transitions. [2021-03-26 01:10:33,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 183 transitions, 2973 flow [2021-03-26 01:10:33,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 01:10:33,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 01:10:33,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1610 transitions. [2021-03-26 01:10:33,283 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4205851619644723 [2021-03-26 01:10:33,283 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1610 transitions. [2021-03-26 01:10:33,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1610 transitions. [2021-03-26 01:10:33,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:33,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1610 transitions. [2021-03-26 01:10:33,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 146.36363636363637) internal successors, (1610), 11 states have internal predecessors, (1610), 0 states have call successors, (0), 0 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 01:10:33,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 348.0) internal successors, (4176), 12 states have internal predecessors, (4176), 0 states have call successors, (0), 0 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 01:10:33,287 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 348.0) internal successors, (4176), 12 states have internal predecessors, (4176), 0 states have call successors, (0), 0 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 01:10:33,287 INFO L185 Difference]: Start difference. First operand has 147 places, 160 transitions, 2362 flow. Second operand 11 states and 1610 transitions. [2021-03-26 01:10:33,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 183 transitions, 2973 flow [2021-03-26 01:10:33,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 183 transitions, 2828 flow, removed 35 selfloop flow, removed 9 redundant places. [2021-03-26 01:10:33,308 INFO L241 Difference]: Finished difference. Result has 152 places, 162 transitions, 2364 flow [2021-03-26 01:10:33,308 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=2221, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2364, PETRI_PLACES=152, PETRI_TRANSITIONS=162} [2021-03-26 01:10:33,308 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 86 predicate places. [2021-03-26 01:10:33,309 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:33,309 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 162 transitions, 2364 flow [2021-03-26 01:10:33,309 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 162 transitions, 2364 flow [2021-03-26 01:10:33,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 162 transitions, 2364 flow [2021-03-26 01:10:33,346 INFO L129 PetriNetUnfolder]: 79/403 cut-off events. [2021-03-26 01:10:33,346 INFO L130 PetriNetUnfolder]: For 3819/3834 co-relation queries the response was YES. [2021-03-26 01:10:33,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2220 conditions, 403 events. 79/403 cut-off events. For 3819/3834 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2952 event pairs, 4 based on Foata normal form. 12/407 useless extension candidates. Maximal degree in co-relation 2161. Up to 81 conditions per place. [2021-03-26 01:10:33,350 INFO L142 LiptonReduction]: Number of co-enabled transitions 114 [2021-03-26 01:10:33,354 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 01:10:33,354 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:33,354 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-26 01:10:33,355 INFO L480 AbstractCegarLoop]: Abstraction has has 151 places, 162 transitions, 2364 flow [2021-03-26 01:10:33,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 141.1818181818182) internal successors, (1553), 11 states have internal predecessors, (1553), 0 states have call successors, (0), 0 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 01:10:33,355 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:33,355 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:33,355 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-26 01:10:33,355 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:33,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:33,356 INFO L82 PathProgramCache]: Analyzing trace with hash 834182394, now seen corresponding path program 1 times [2021-03-26 01:10:33,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:33,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607720087] [2021-03-26 01:10:33,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:33,425 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.0 percent of original size [2021-03-26 01:10:33,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:33,442 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.1 percent of original size [2021-03-26 01:10:33,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 01:10:33,464 INFO L142 QuantifierPusher]: treesize reduction 19, result has 58.7 percent of original size [2021-03-26 01:10:33,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 01:10:33,491 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.9 percent of original size [2021-03-26 01:10:33,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 01:10:33,522 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-26 01:10:33,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:33,536 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-26 01:10:33,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:33,551 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-26 01:10:33,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 01:10:33,567 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-26 01:10:33,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 01:10:33,569 INFO L142 QuantifierPusher]: treesize reduction 28, result has 63.2 percent of original size [2021-03-26 01:10:33,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 01:10:33,606 INFO L142 QuantifierPusher]: treesize reduction 47, result has 49.5 percent of original size [2021-03-26 01:10:33,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 01:10:33,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:33,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:33,661 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 01:10:33,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607720087] [2021-03-26 01:10:33,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:33,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:10:33,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412034415] [2021-03-26 01:10:33,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:10:33,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:33,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:10:33,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:10:33,663 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 348 [2021-03-26 01:10:33,664 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 162 transitions, 2364 flow. Second operand has 12 states, 12 states have (on average 140.16666666666666) internal successors, (1682), 12 states have internal predecessors, (1682), 0 states have call successors, (0), 0 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 01:10:33,664 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:33,664 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 348 [2021-03-26 01:10:33,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:34,355 INFO L129 PetriNetUnfolder]: 156/541 cut-off events. [2021-03-26 01:10:34,355 INFO L130 PetriNetUnfolder]: For 5363/5369 co-relation queries the response was YES. [2021-03-26 01:10:34,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3391 conditions, 541 events. 156/541 cut-off events. For 5363/5369 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3729 event pairs, 53 based on Foata normal form. 8/544 useless extension candidates. Maximal degree in co-relation 3330. Up to 395 conditions per place. [2021-03-26 01:10:34,358 INFO L132 encePairwiseOnDemand]: 331/348 looper letters, 134 selfloop transitions, 28 changer transitions 16/182 dead transitions. [2021-03-26 01:10:34,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 182 transitions, 2912 flow [2021-03-26 01:10:34,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:10:34,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:10:34,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1738 transitions. [2021-03-26 01:10:34,360 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41618773946360155 [2021-03-26 01:10:34,360 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1738 transitions. [2021-03-26 01:10:34,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1738 transitions. [2021-03-26 01:10:34,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:34,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1738 transitions. [2021-03-26 01:10:34,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 144.83333333333334) internal successors, (1738), 12 states have internal predecessors, (1738), 0 states have call successors, (0), 0 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 01:10:34,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 348.0) internal successors, (4524), 13 states have internal predecessors, (4524), 0 states have call successors, (0), 0 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 01:10:34,364 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 348.0) internal successors, (4524), 13 states have internal predecessors, (4524), 0 states have call successors, (0), 0 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 01:10:34,364 INFO L185 Difference]: Start difference. First operand has 151 places, 162 transitions, 2364 flow. Second operand 12 states and 1738 transitions. [2021-03-26 01:10:34,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 182 transitions, 2912 flow [2021-03-26 01:10:34,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 182 transitions, 2848 flow, removed 10 selfloop flow, removed 7 redundant places. [2021-03-26 01:10:34,384 INFO L241 Difference]: Finished difference. Result has 157 places, 152 transitions, 2212 flow [2021-03-26 01:10:34,384 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=2302, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2212, PETRI_PLACES=157, PETRI_TRANSITIONS=152} [2021-03-26 01:10:34,384 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 91 predicate places. [2021-03-26 01:10:34,384 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:34,384 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 152 transitions, 2212 flow [2021-03-26 01:10:34,384 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 152 transitions, 2212 flow [2021-03-26 01:10:34,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 152 transitions, 2212 flow [2021-03-26 01:10:34,418 INFO L129 PetriNetUnfolder]: 75/383 cut-off events. [2021-03-26 01:10:34,418 INFO L130 PetriNetUnfolder]: For 3740/3759 co-relation queries the response was YES. [2021-03-26 01:10:34,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2132 conditions, 383 events. 75/383 cut-off events. For 3740/3759 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2767 event pairs, 4 based on Foata normal form. 13/388 useless extension candidates. Maximal degree in co-relation 2066. Up to 77 conditions per place. [2021-03-26 01:10:34,421 INFO L142 LiptonReduction]: Number of co-enabled transitions 104 [2021-03-26 01:10:34,425 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 01:10:34,425 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:34,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-03-26 01:10:34,425 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 152 transitions, 2212 flow [2021-03-26 01:10:34,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 140.16666666666666) internal successors, (1682), 12 states have internal predecessors, (1682), 0 states have call successors, (0), 0 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 01:10:34,426 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:34,426 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:34,426 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-26 01:10:34,426 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:34,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:34,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1968846210, now seen corresponding path program 2 times [2021-03-26 01:10:34,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:34,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945991455] [2021-03-26 01:10:34,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:34,472 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.0 percent of original size [2021-03-26 01:10:34,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:34,489 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.1 percent of original size [2021-03-26 01:10:34,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 01:10:34,513 INFO L142 QuantifierPusher]: treesize reduction 19, result has 58.7 percent of original size [2021-03-26 01:10:34,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 01:10:34,537 INFO L142 QuantifierPusher]: treesize reduction 19, result has 58.7 percent of original size [2021-03-26 01:10:34,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 01:10:34,563 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.9 percent of original size [2021-03-26 01:10:34,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 01:10:34,594 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-26 01:10:34,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:34,610 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-26 01:10:34,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 01:10:34,627 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-26 01:10:34,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 01:10:34,628 INFO L142 QuantifierPusher]: treesize reduction 28, result has 63.2 percent of original size [2021-03-26 01:10:34,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 01:10:34,667 INFO L142 QuantifierPusher]: treesize reduction 47, result has 49.5 percent of original size [2021-03-26 01:10:34,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 01:10:34,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:34,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:34,726 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 01:10:34,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945991455] [2021-03-26 01:10:34,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:34,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:10:34,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098191101] [2021-03-26 01:10:34,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:10:34,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:34,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:10:34,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:10:34,728 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 348 [2021-03-26 01:10:34,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 152 transitions, 2212 flow. Second operand has 12 states, 12 states have (on average 140.16666666666666) internal successors, (1682), 12 states have internal predecessors, (1682), 0 states have call successors, (0), 0 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 01:10:34,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:34,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 348 [2021-03-26 01:10:34,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:35,429 INFO L129 PetriNetUnfolder]: 159/554 cut-off events. [2021-03-26 01:10:35,429 INFO L130 PetriNetUnfolder]: For 5461/5471 co-relation queries the response was YES. [2021-03-26 01:10:35,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3474 conditions, 554 events. 159/554 cut-off events. For 5461/5471 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 3889 event pairs, 60 based on Foata normal form. 2/551 useless extension candidates. Maximal degree in co-relation 3405. Up to 437 conditions per place. [2021-03-26 01:10:35,432 INFO L132 encePairwiseOnDemand]: 333/348 looper letters, 143 selfloop transitions, 19 changer transitions 15/181 dead transitions. [2021-03-26 01:10:35,432 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 181 transitions, 2903 flow [2021-03-26 01:10:35,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:10:35,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:10:35,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1735 transitions. [2021-03-26 01:10:35,437 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4154693486590038 [2021-03-26 01:10:35,437 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1735 transitions. [2021-03-26 01:10:35,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1735 transitions. [2021-03-26 01:10:35,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:35,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1735 transitions. [2021-03-26 01:10:35,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 144.58333333333334) internal successors, (1735), 12 states have internal predecessors, (1735), 0 states have call successors, (0), 0 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 01:10:35,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 348.0) internal successors, (4524), 13 states have internal predecessors, (4524), 0 states have call successors, (0), 0 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 01:10:35,444 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 348.0) internal successors, (4524), 13 states have internal predecessors, (4524), 0 states have call successors, (0), 0 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 01:10:35,444 INFO L185 Difference]: Start difference. First operand has 153 places, 152 transitions, 2212 flow. Second operand 12 states and 1735 transitions. [2021-03-26 01:10:35,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 181 transitions, 2903 flow [2021-03-26 01:10:35,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 181 transitions, 2777 flow, removed 19 selfloop flow, removed 14 redundant places. [2021-03-26 01:10:35,465 INFO L241 Difference]: Finished difference. Result has 155 places, 157 transitions, 2257 flow [2021-03-26 01:10:35,466 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=2114, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2257, PETRI_PLACES=155, PETRI_TRANSITIONS=157} [2021-03-26 01:10:35,466 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 89 predicate places. [2021-03-26 01:10:35,466 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:35,466 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 155 places, 157 transitions, 2257 flow [2021-03-26 01:10:35,467 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 155 places, 157 transitions, 2257 flow [2021-03-26 01:10:35,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 157 transitions, 2257 flow [2021-03-26 01:10:35,502 INFO L129 PetriNetUnfolder]: 75/390 cut-off events. [2021-03-26 01:10:35,502 INFO L130 PetriNetUnfolder]: For 3519/3529 co-relation queries the response was YES. [2021-03-26 01:10:35,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2143 conditions, 390 events. 75/390 cut-off events. For 3519/3529 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2850 event pairs, 5 based on Foata normal form. 8/390 useless extension candidates. Maximal degree in co-relation 2076. Up to 78 conditions per place. [2021-03-26 01:10:35,505 INFO L142 LiptonReduction]: Number of co-enabled transitions 110 [2021-03-26 01:10:35,509 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 01:10:35,509 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:35,509 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-03-26 01:10:35,509 INFO L480 AbstractCegarLoop]: Abstraction has has 152 places, 157 transitions, 2257 flow [2021-03-26 01:10:35,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 140.16666666666666) internal successors, (1682), 12 states have internal predecessors, (1682), 0 states have call successors, (0), 0 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 01:10:35,510 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:35,510 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:35,510 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-26 01:10:35,510 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:35,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:35,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1104426089, now seen corresponding path program 1 times [2021-03-26 01:10:35,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:35,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431509191] [2021-03-26 01:10:35,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:35,544 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 01:10:35,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 01:10:35,552 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-26 01:10:35,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 01:10:35,562 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 01:10:35,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 01:10:35,563 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 01:10:35,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 01:10:35,572 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-03-26 01:10:35,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:35,597 INFO L142 QuantifierPusher]: treesize reduction 19, result has 60.4 percent of original size [2021-03-26 01:10:35,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:35,621 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-03-26 01:10:35,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 01:10:35,660 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-03-26 01:10:35,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 01:10:35,670 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 01:10:35,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:10:35,681 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 01:10:35,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431509191] [2021-03-26 01:10:35,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:35,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 01:10:35,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695157279] [2021-03-26 01:10:35,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 01:10:35,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:35,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 01:10:35,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-26 01:10:35,683 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 348 [2021-03-26 01:10:35,684 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 157 transitions, 2257 flow. Second operand has 9 states, 9 states have (on average 152.44444444444446) internal successors, (1372), 9 states have internal predecessors, (1372), 0 states have call successors, (0), 0 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 01:10:35,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:35,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 348 [2021-03-26 01:10:35,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:35,979 INFO L129 PetriNetUnfolder]: 140/513 cut-off events. [2021-03-26 01:10:35,979 INFO L130 PetriNetUnfolder]: For 5043/5056 co-relation queries the response was YES. [2021-03-26 01:10:35,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3194 conditions, 513 events. 140/513 cut-off events. For 5043/5056 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3538 event pairs, 40 based on Foata normal form. 13/526 useless extension candidates. Maximal degree in co-relation 3124. Up to 181 conditions per place. [2021-03-26 01:10:35,982 INFO L132 encePairwiseOnDemand]: 335/348 looper letters, 80 selfloop transitions, 57 changer transitions 28/172 dead transitions. [2021-03-26 01:10:35,982 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 172 transitions, 2676 flow [2021-03-26 01:10:35,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 01:10:35,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 01:10:35,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1256 transitions. [2021-03-26 01:10:35,983 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4511494252873563 [2021-03-26 01:10:35,984 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1256 transitions. [2021-03-26 01:10:35,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1256 transitions. [2021-03-26 01:10:35,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:35,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1256 transitions. [2021-03-26 01:10:35,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 157.0) internal successors, (1256), 8 states have internal predecessors, (1256), 0 states have call successors, (0), 0 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 01:10:35,986 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 348.0) internal successors, (3132), 9 states have internal predecessors, (3132), 0 states have call successors, (0), 0 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 01:10:35,986 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 348.0) internal successors, (3132), 9 states have internal predecessors, (3132), 0 states have call successors, (0), 0 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 01:10:35,986 INFO L185 Difference]: Start difference. First operand has 152 places, 157 transitions, 2257 flow. Second operand 8 states and 1256 transitions. [2021-03-26 01:10:35,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 172 transitions, 2676 flow [2021-03-26 01:10:36,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 172 transitions, 2601 flow, removed 21 selfloop flow, removed 9 redundant places. [2021-03-26 01:10:36,004 INFO L241 Difference]: Finished difference. Result has 150 places, 124 transitions, 1857 flow [2021-03-26 01:10:36,005 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=2083, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1857, PETRI_PLACES=150, PETRI_TRANSITIONS=124} [2021-03-26 01:10:36,005 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 84 predicate places. [2021-03-26 01:10:36,005 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:36,005 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 124 transitions, 1857 flow [2021-03-26 01:10:36,005 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 124 transitions, 1857 flow [2021-03-26 01:10:36,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 124 transitions, 1857 flow [2021-03-26 01:10:36,041 INFO L129 PetriNetUnfolder]: 61/342 cut-off events. [2021-03-26 01:10:36,042 INFO L130 PetriNetUnfolder]: For 3544/3561 co-relation queries the response was YES. [2021-03-26 01:10:36,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1877 conditions, 342 events. 61/342 cut-off events. For 3544/3561 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2428 event pairs, 5 based on Foata normal form. 7/346 useless extension candidates. Maximal degree in co-relation 1822. Up to 68 conditions per place. [2021-03-26 01:10:36,044 INFO L142 LiptonReduction]: Number of co-enabled transitions 90 [2021-03-26 01:10:36,062 INFO L154 LiptonReduction]: Checked pairs total: 210 [2021-03-26 01:10:36,062 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:36,062 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-03-26 01:10:36,063 INFO L480 AbstractCegarLoop]: Abstraction has has 128 places, 124 transitions, 1857 flow [2021-03-26 01:10:36,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 152.44444444444446) internal successors, (1372), 9 states have internal predecessors, (1372), 0 states have call successors, (0), 0 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 01:10:36,063 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:36,063 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:36,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-26 01:10:36,063 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:36,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:36,064 INFO L82 PathProgramCache]: Analyzing trace with hash 2066857796, now seen corresponding path program 3 times [2021-03-26 01:10:36,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:36,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488561112] [2021-03-26 01:10:36,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:36,105 INFO L142 QuantifierPusher]: treesize reduction 10, result has 78.7 percent of original size [2021-03-26 01:10:36,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:36,123 INFO L142 QuantifierPusher]: treesize reduction 7, result has 86.8 percent of original size [2021-03-26 01:10:36,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 01:10:36,149 INFO L142 QuantifierPusher]: treesize reduction 19, result has 55.8 percent of original size [2021-03-26 01:10:36,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 01:10:36,163 INFO L142 QuantifierPusher]: treesize reduction 19, result has 55.8 percent of original size [2021-03-26 01:10:36,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 01:10:36,178 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.8 percent of original size [2021-03-26 01:10:36,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:10:36,205 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.9 percent of original size [2021-03-26 01:10:36,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 01:10:36,249 INFO L142 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size [2021-03-26 01:10:36,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 01:10:36,283 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-03-26 01:10:36,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 01:10:36,284 INFO L142 QuantifierPusher]: treesize reduction 28, result has 63.2 percent of original size [2021-03-26 01:10:36,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 01:10:36,322 INFO L142 QuantifierPusher]: treesize reduction 47, result has 49.5 percent of original size [2021-03-26 01:10:36,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 01:10:36,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:36,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:36,378 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 01:10:36,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488561112] [2021-03-26 01:10:36,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:36,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:10:36,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188580126] [2021-03-26 01:10:36,379 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:10:36,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:36,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:10:36,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:10:36,380 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 348 [2021-03-26 01:10:36,381 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 124 transitions, 1857 flow. Second operand has 12 states, 12 states have (on average 140.16666666666666) internal successors, (1682), 12 states have internal predecessors, (1682), 0 states have call successors, (0), 0 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 01:10:36,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:36,381 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 348 [2021-03-26 01:10:36,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:36,897 INFO L129 PetriNetUnfolder]: 130/476 cut-off events. [2021-03-26 01:10:36,897 INFO L130 PetriNetUnfolder]: For 5175/5179 co-relation queries the response was YES. [2021-03-26 01:10:36,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2944 conditions, 476 events. 130/476 cut-off events. For 5175/5179 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3235 event pairs, 66 based on Foata normal form. 6/482 useless extension candidates. Maximal degree in co-relation 2887. Up to 396 conditions per place. [2021-03-26 01:10:36,900 INFO L132 encePairwiseOnDemand]: 336/348 looper letters, 107 selfloop transitions, 8 changer transitions 17/136 dead transitions. [2021-03-26 01:10:36,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 136 transitions, 2248 flow [2021-03-26 01:10:36,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:10:36,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:10:36,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1718 transitions. [2021-03-26 01:10:36,902 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41139846743295017 [2021-03-26 01:10:36,902 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1718 transitions. [2021-03-26 01:10:36,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1718 transitions. [2021-03-26 01:10:36,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:36,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1718 transitions. [2021-03-26 01:10:36,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.16666666666666) internal successors, (1718), 12 states have internal predecessors, (1718), 0 states have call successors, (0), 0 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 01:10:36,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 348.0) internal successors, (4524), 13 states have internal predecessors, (4524), 0 states have call successors, (0), 0 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 01:10:36,906 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 348.0) internal successors, (4524), 13 states have internal predecessors, (4524), 0 states have call successors, (0), 0 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 01:10:36,906 INFO L185 Difference]: Start difference. First operand has 128 places, 124 transitions, 1857 flow. Second operand 12 states and 1718 transitions. [2021-03-26 01:10:36,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 136 transitions, 2248 flow [2021-03-26 01:10:36,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 136 transitions, 2156 flow, removed 19 selfloop flow, removed 14 redundant places. [2021-03-26 01:10:36,920 INFO L241 Difference]: Finished difference. Result has 129 places, 119 transitions, 1731 flow [2021-03-26 01:10:36,920 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=1772, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1731, PETRI_PLACES=129, PETRI_TRANSITIONS=119} [2021-03-26 01:10:36,920 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 63 predicate places. [2021-03-26 01:10:36,920 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:36,921 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 129 places, 119 transitions, 1731 flow [2021-03-26 01:10:36,921 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 129 places, 119 transitions, 1731 flow [2021-03-26 01:10:36,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 119 transitions, 1731 flow [2021-03-26 01:10:36,948 INFO L129 PetriNetUnfolder]: 57/328 cut-off events. [2021-03-26 01:10:36,948 INFO L130 PetriNetUnfolder]: For 2995/3012 co-relation queries the response was YES. [2021-03-26 01:10:36,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1730 conditions, 328 events. 57/328 cut-off events. For 2995/3012 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2340 event pairs, 6 based on Foata normal form. 7/332 useless extension candidates. Maximal degree in co-relation 1674. Up to 66 conditions per place. [2021-03-26 01:10:36,950 INFO L142 LiptonReduction]: Number of co-enabled transitions 86 [2021-03-26 01:10:36,967 INFO L154 LiptonReduction]: Checked pairs total: 224 [2021-03-26 01:10:36,967 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:36,967 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-03-26 01:10:36,968 INFO L480 AbstractCegarLoop]: Abstraction has has 124 places, 119 transitions, 1731 flow [2021-03-26 01:10:36,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 140.16666666666666) internal successors, (1682), 12 states have internal predecessors, (1682), 0 states have call successors, (0), 0 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 01:10:36,968 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:36,968 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:36,968 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-26 01:10:36,968 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:36,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:36,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1040033889, now seen corresponding path program 3 times [2021-03-26 01:10:36,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:36,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300927537] [2021-03-26 01:10:36,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:37,004 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-26 01:10:37,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 01:10:37,013 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-03-26 01:10:37,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 01:10:37,045 INFO L142 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size [2021-03-26 01:10:37,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:37,059 INFO L142 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size [2021-03-26 01:10:37,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:37,076 INFO L142 QuantifierPusher]: treesize reduction 9, result has 79.5 percent of original size [2021-03-26 01:10:37,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:10:37,095 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-26 01:10:37,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 01:10:37,111 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-26 01:10:37,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:37,126 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-26 01:10:37,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 01:10:37,141 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-26 01:10:37,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 01:10:37,142 INFO L142 QuantifierPusher]: treesize reduction 6, result has 70.0 percent of original size [2021-03-26 01:10:37,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:37,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:37,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:37,171 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 01:10:37,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300927537] [2021-03-26 01:10:37,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:37,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:10:37,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652975934] [2021-03-26 01:10:37,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:10:37,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:37,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:10:37,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:10:37,173 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 348 [2021-03-26 01:10:37,174 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 119 transitions, 1731 flow. Second operand has 12 states, 12 states have (on average 140.16666666666666) internal successors, (1682), 12 states have internal predecessors, (1682), 0 states have call successors, (0), 0 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 01:10:37,174 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:37,174 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 348 [2021-03-26 01:10:37,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:37,673 INFO L129 PetriNetUnfolder]: 123/461 cut-off events. [2021-03-26 01:10:37,673 INFO L130 PetriNetUnfolder]: For 4475/4477 co-relation queries the response was YES. [2021-03-26 01:10:37,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2757 conditions, 461 events. 123/461 cut-off events. For 4475/4477 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3165 event pairs, 58 based on Foata normal form. 2/463 useless extension candidates. Maximal degree in co-relation 2698. Up to 366 conditions per place. [2021-03-26 01:10:37,676 INFO L132 encePairwiseOnDemand]: 335/348 looper letters, 103 selfloop transitions, 13 changer transitions 15/135 dead transitions. [2021-03-26 01:10:37,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 135 transitions, 2123 flow [2021-03-26 01:10:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:10:37,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:10:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1719 transitions. [2021-03-26 01:10:37,689 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41163793103448276 [2021-03-26 01:10:37,689 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1719 transitions. [2021-03-26 01:10:37,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1719 transitions. [2021-03-26 01:10:37,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:37,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1719 transitions. [2021-03-26 01:10:37,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.25) internal successors, (1719), 12 states have internal predecessors, (1719), 0 states have call successors, (0), 0 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 01:10:37,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 348.0) internal successors, (4524), 13 states have internal predecessors, (4524), 0 states have call successors, (0), 0 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 01:10:37,693 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 348.0) internal successors, (4524), 13 states have internal predecessors, (4524), 0 states have call successors, (0), 0 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 01:10:37,693 INFO L185 Difference]: Start difference. First operand has 124 places, 119 transitions, 1731 flow. Second operand 12 states and 1719 transitions. [2021-03-26 01:10:37,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 135 transitions, 2123 flow [2021-03-26 01:10:37,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 135 transitions, 2062 flow, removed 10 selfloop flow, removed 13 redundant places. [2021-03-26 01:10:37,706 INFO L241 Difference]: Finished difference. Result has 125 places, 117 transitions, 1691 flow [2021-03-26 01:10:37,706 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=1674, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1691, PETRI_PLACES=125, PETRI_TRANSITIONS=117} [2021-03-26 01:10:37,706 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 59 predicate places. [2021-03-26 01:10:37,706 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:37,706 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 117 transitions, 1691 flow [2021-03-26 01:10:37,706 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 117 transitions, 1691 flow [2021-03-26 01:10:37,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 117 transitions, 1691 flow [2021-03-26 01:10:37,732 INFO L129 PetriNetUnfolder]: 54/320 cut-off events. [2021-03-26 01:10:37,732 INFO L130 PetriNetUnfolder]: For 2984/3001 co-relation queries the response was YES. [2021-03-26 01:10:37,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1671 conditions, 320 events. 54/320 cut-off events. For 2984/3001 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2270 event pairs, 6 based on Foata normal form. 7/324 useless extension candidates. Maximal degree in co-relation 1613. Up to 65 conditions per place. [2021-03-26 01:10:37,735 INFO L142 LiptonReduction]: Number of co-enabled transitions 80 [2021-03-26 01:10:37,755 INFO L154 LiptonReduction]: Checked pairs total: 176 [2021-03-26 01:10:37,755 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:37,755 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-26 01:10:37,756 INFO L480 AbstractCegarLoop]: Abstraction has has 123 places, 117 transitions, 1691 flow [2021-03-26 01:10:37,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 140.16666666666666) internal successors, (1682), 12 states have internal predecessors, (1682), 0 states have call successors, (0), 0 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 01:10:37,756 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:37,756 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:37,756 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-26 01:10:37,756 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:37,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:37,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1224933841, now seen corresponding path program 4 times [2021-03-26 01:10:37,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:37,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750425556] [2021-03-26 01:10:37,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:37,791 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size [2021-03-26 01:10:37,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 01:10:37,807 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-26 01:10:37,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 01:10:37,833 INFO L142 QuantifierPusher]: treesize reduction 11, result has 69.4 percent of original size [2021-03-26 01:10:37,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:37,846 INFO L142 QuantifierPusher]: treesize reduction 11, result has 69.4 percent of original size [2021-03-26 01:10:37,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:37,859 INFO L142 QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size [2021-03-26 01:10:37,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:37,874 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-26 01:10:37,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:10:37,887 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 01:10:37,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 01:10:37,908 INFO L142 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size [2021-03-26 01:10:37,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 01:10:37,922 INFO L142 QuantifierPusher]: treesize reduction 6, result has 70.0 percent of original size [2021-03-26 01:10:37,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:37,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:37,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:37,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:37,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:37,950 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 01:10:37,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750425556] [2021-03-26 01:10:37,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:37,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:10:37,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445193824] [2021-03-26 01:10:37,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:10:37,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:37,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:10:37,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:10:37,952 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 348 [2021-03-26 01:10:37,952 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 117 transitions, 1691 flow. Second operand has 12 states, 12 states have (on average 140.16666666666666) internal successors, (1682), 12 states have internal predecessors, (1682), 0 states have call successors, (0), 0 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 01:10:37,952 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:37,952 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 348 [2021-03-26 01:10:37,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:38,435 INFO L129 PetriNetUnfolder]: 112/433 cut-off events. [2021-03-26 01:10:38,436 INFO L130 PetriNetUnfolder]: For 4273/4281 co-relation queries the response was YES. [2021-03-26 01:10:38,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2582 conditions, 433 events. 112/433 cut-off events. For 4273/4281 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2929 event pairs, 58 based on Foata normal form. 2/435 useless extension candidates. Maximal degree in co-relation 2521. Up to 365 conditions per place. [2021-03-26 01:10:38,438 INFO L132 encePairwiseOnDemand]: 335/348 looper letters, 100 selfloop transitions, 11 changer transitions 9/124 dead transitions. [2021-03-26 01:10:38,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 124 transitions, 2000 flow [2021-03-26 01:10:38,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:10:38,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:10:38,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1715 transitions. [2021-03-26 01:10:38,439 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4106800766283525 [2021-03-26 01:10:38,440 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1715 transitions. [2021-03-26 01:10:38,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1715 transitions. [2021-03-26 01:10:38,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:38,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1715 transitions. [2021-03-26 01:10:38,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 142.91666666666666) internal successors, (1715), 12 states have internal predecessors, (1715), 0 states have call successors, (0), 0 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 01:10:38,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 348.0) internal successors, (4524), 13 states have internal predecessors, (4524), 0 states have call successors, (0), 0 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 01:10:38,443 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 348.0) internal successors, (4524), 13 states have internal predecessors, (4524), 0 states have call successors, (0), 0 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 01:10:38,443 INFO L185 Difference]: Start difference. First operand has 123 places, 117 transitions, 1691 flow. Second operand 12 states and 1715 transitions. [2021-03-26 01:10:38,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 124 transitions, 2000 flow [2021-03-26 01:10:38,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 124 transitions, 1960 flow, removed 7 selfloop flow, removed 9 redundant places. [2021-03-26 01:10:38,454 INFO L241 Difference]: Finished difference. Result has 127 places, 114 transitions, 1635 flow [2021-03-26 01:10:38,455 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=1655, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1635, PETRI_PLACES=127, PETRI_TRANSITIONS=114} [2021-03-26 01:10:38,455 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 61 predicate places. [2021-03-26 01:10:38,455 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:38,455 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 114 transitions, 1635 flow [2021-03-26 01:10:38,455 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 114 transitions, 1635 flow [2021-03-26 01:10:38,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 114 transitions, 1635 flow [2021-03-26 01:10:38,480 INFO L129 PetriNetUnfolder]: 52/311 cut-off events. [2021-03-26 01:10:38,481 INFO L130 PetriNetUnfolder]: For 2878/2895 co-relation queries the response was YES. [2021-03-26 01:10:38,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1627 conditions, 311 events. 52/311 cut-off events. For 2878/2895 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2163 event pairs, 6 based on Foata normal form. 7/315 useless extension candidates. Maximal degree in co-relation 1577. Up to 61 conditions per place. [2021-03-26 01:10:38,483 INFO L142 LiptonReduction]: Number of co-enabled transitions 76 [2021-03-26 01:10:38,990 INFO L154 LiptonReduction]: Checked pairs total: 264 [2021-03-26 01:10:38,990 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 01:10:38,990 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 535 [2021-03-26 01:10:38,991 INFO L480 AbstractCegarLoop]: Abstraction has has 121 places, 112 transitions, 1625 flow [2021-03-26 01:10:38,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 140.16666666666666) internal successors, (1682), 12 states have internal predecessors, (1682), 0 states have call successors, (0), 0 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 01:10:38,991 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:38,991 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:38,991 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-26 01:10:38,992 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:38,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:38,992 INFO L82 PathProgramCache]: Analyzing trace with hash -96754615, now seen corresponding path program 1 times [2021-03-26 01:10:38,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:38,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658037604] [2021-03-26 01:10:38,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:39,032 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size [2021-03-26 01:10:39,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:10:39,054 INFO L142 QuantifierPusher]: treesize reduction 12, result has 80.3 percent of original size [2021-03-26 01:10:39,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:10:39,092 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.4 percent of original size [2021-03-26 01:10:39,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:39,121 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.4 percent of original size [2021-03-26 01:10:39,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:39,150 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.9 percent of original size [2021-03-26 01:10:39,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 01:10:39,180 INFO L142 QuantifierPusher]: treesize reduction 31, result has 69.0 percent of original size [2021-03-26 01:10:39,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 01:10:39,227 INFO L142 QuantifierPusher]: treesize reduction 31, result has 65.2 percent of original size [2021-03-26 01:10:39,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 01:10:39,270 INFO L142 QuantifierPusher]: treesize reduction 31, result has 70.5 percent of original size [2021-03-26 01:10:39,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 01:10:39,319 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-03-26 01:10:39,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:10:39,349 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.0 percent of original size [2021-03-26 01:10:39,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:10:39,350 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-26 01:10:39,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:39,371 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-26 01:10:39,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:39,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:39,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:39,419 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 01:10:39,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658037604] [2021-03-26 01:10:39,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:39,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 01:10:39,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044549137] [2021-03-26 01:10:39,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 01:10:39,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:39,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 01:10:39,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-26 01:10:39,422 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 350 [2021-03-26 01:10:39,422 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 112 transitions, 1625 flow. Second operand has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:39,422 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:39,422 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 350 [2021-03-26 01:10:39,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:40,243 INFO L129 PetriNetUnfolder]: 109/411 cut-off events. [2021-03-26 01:10:40,243 INFO L130 PetriNetUnfolder]: For 4116/4118 co-relation queries the response was YES. [2021-03-26 01:10:40,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2516 conditions, 411 events. 109/411 cut-off events. For 4116/4118 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2721 event pairs, 52 based on Foata normal form. 4/415 useless extension candidates. Maximal degree in co-relation 2464. Up to 324 conditions per place. [2021-03-26 01:10:40,245 INFO L132 encePairwiseOnDemand]: 334/350 looper letters, 86 selfloop transitions, 13 changer transitions 18/121 dead transitions. [2021-03-26 01:10:40,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 121 transitions, 1939 flow [2021-03-26 01:10:40,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:10:40,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:10:40,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1718 transitions. [2021-03-26 01:10:40,248 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40904761904761905 [2021-03-26 01:10:40,248 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1718 transitions. [2021-03-26 01:10:40,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1718 transitions. [2021-03-26 01:10:40,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:40,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1718 transitions. [2021-03-26 01:10:40,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.16666666666666) internal successors, (1718), 12 states have internal predecessors, (1718), 0 states have call successors, (0), 0 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 01:10:40,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 350.0) internal successors, (4550), 13 states have internal predecessors, (4550), 0 states have call successors, (0), 0 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 01:10:40,252 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 350.0) internal successors, (4550), 13 states have internal predecessors, (4550), 0 states have call successors, (0), 0 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 01:10:40,252 INFO L185 Difference]: Start difference. First operand has 121 places, 112 transitions, 1625 flow. Second operand 12 states and 1718 transitions. [2021-03-26 01:10:40,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 121 transitions, 1939 flow [2021-03-26 01:10:40,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 121 transitions, 1893 flow, removed 12 selfloop flow, removed 13 redundant places. [2021-03-26 01:10:40,263 INFO L241 Difference]: Finished difference. Result has 122 places, 103 transitions, 1502 flow [2021-03-26 01:10:40,263 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=1556, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1502, PETRI_PLACES=122, PETRI_TRANSITIONS=103} [2021-03-26 01:10:40,263 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 56 predicate places. [2021-03-26 01:10:40,263 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:40,264 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 103 transitions, 1502 flow [2021-03-26 01:10:40,264 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 103 transitions, 1502 flow [2021-03-26 01:10:40,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 103 transitions, 1502 flow [2021-03-26 01:10:40,287 INFO L129 PetriNetUnfolder]: 50/286 cut-off events. [2021-03-26 01:10:40,287 INFO L130 PetriNetUnfolder]: For 2617/2634 co-relation queries the response was YES. [2021-03-26 01:10:40,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1477 conditions, 286 events. 50/286 cut-off events. For 2617/2634 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1910 event pairs, 6 based on Foata normal form. 7/290 useless extension candidates. Maximal degree in co-relation 1365. Up to 57 conditions per place. [2021-03-26 01:10:40,289 INFO L142 LiptonReduction]: Number of co-enabled transitions 66 [2021-03-26 01:10:40,304 INFO L154 LiptonReduction]: Checked pairs total: 117 [2021-03-26 01:10:40,304 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:40,304 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-03-26 01:10:40,305 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 103 transitions, 1502 flow [2021-03-26 01:10:40,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:40,305 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:40,305 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:40,305 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-26 01:10:40,305 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:40,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:40,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1658903185, now seen corresponding path program 1 times [2021-03-26 01:10:40,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:40,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495597092] [2021-03-26 01:10:40,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:40,346 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size [2021-03-26 01:10:40,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 01:10:40,361 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-26 01:10:40,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 01:10:40,390 INFO L142 QuantifierPusher]: treesize reduction 6, result has 80.6 percent of original size [2021-03-26 01:10:40,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:40,404 INFO L142 QuantifierPusher]: treesize reduction 6, result has 80.6 percent of original size [2021-03-26 01:10:40,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:40,420 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-26 01:10:40,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:40,436 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-26 01:10:40,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:10:40,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:40,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 01:10:40,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:40,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:40,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:40,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:40,474 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 01:10:40,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495597092] [2021-03-26 01:10:40,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:40,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 01:10:40,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861957865] [2021-03-26 01:10:40,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 01:10:40,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:40,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 01:10:40,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 01:10:40,476 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 350 [2021-03-26 01:10:40,477 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 103 transitions, 1502 flow. Second operand has 10 states, 10 states have (on average 150.2) internal successors, (1502), 10 states have internal predecessors, (1502), 0 states have call successors, (0), 0 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 01:10:40,477 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:40,477 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 350 [2021-03-26 01:10:40,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:40,796 INFO L129 PetriNetUnfolder]: 101/387 cut-off events. [2021-03-26 01:10:40,797 INFO L130 PetriNetUnfolder]: For 3817/3823 co-relation queries the response was YES. [2021-03-26 01:10:40,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2305 conditions, 387 events. 101/387 cut-off events. For 3817/3823 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2514 event pairs, 54 based on Foata normal form. 2/389 useless extension candidates. Maximal degree in co-relation 2203. Up to 331 conditions per place. [2021-03-26 01:10:40,798 INFO L132 encePairwiseOnDemand]: 341/350 looper letters, 90 selfloop transitions, 4 changer transitions 9/107 dead transitions. [2021-03-26 01:10:40,799 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 107 transitions, 1749 flow [2021-03-26 01:10:40,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 01:10:40,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 01:10:40,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1527 transitions. [2021-03-26 01:10:40,809 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4362857142857143 [2021-03-26 01:10:40,809 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1527 transitions. [2021-03-26 01:10:40,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1527 transitions. [2021-03-26 01:10:40,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:40,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1527 transitions. [2021-03-26 01:10:40,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 152.7) internal successors, (1527), 10 states have internal predecessors, (1527), 0 states have call successors, (0), 0 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 01:10:40,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 350.0) internal successors, (3850), 11 states have internal predecessors, (3850), 0 states have call successors, (0), 0 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 01:10:40,812 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 350.0) internal successors, (3850), 11 states have internal predecessors, (3850), 0 states have call successors, (0), 0 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 01:10:40,812 INFO L185 Difference]: Start difference. First operand has 113 places, 103 transitions, 1502 flow. Second operand 10 states and 1527 transitions. [2021-03-26 01:10:40,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 107 transitions, 1749 flow [2021-03-26 01:10:40,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 107 transitions, 1652 flow, removed 8 selfloop flow, removed 11 redundant places. [2021-03-26 01:10:40,821 INFO L241 Difference]: Finished difference. Result has 113 places, 98 transitions, 1337 flow [2021-03-26 01:10:40,821 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=1406, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1337, PETRI_PLACES=113, PETRI_TRANSITIONS=98} [2021-03-26 01:10:40,821 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 47 predicate places. [2021-03-26 01:10:40,822 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:40,822 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 98 transitions, 1337 flow [2021-03-26 01:10:40,822 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 98 transitions, 1337 flow [2021-03-26 01:10:40,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 98 transitions, 1337 flow [2021-03-26 01:10:40,843 INFO L129 PetriNetUnfolder]: 47/277 cut-off events. [2021-03-26 01:10:40,843 INFO L130 PetriNetUnfolder]: For 2248/2265 co-relation queries the response was YES. [2021-03-26 01:10:40,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1331 conditions, 277 events. 47/277 cut-off events. For 2248/2265 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1873 event pairs, 7 based on Foata normal form. 7/281 useless extension candidates. Maximal degree in co-relation 1286. Up to 54 conditions per place. [2021-03-26 01:10:40,845 INFO L142 LiptonReduction]: Number of co-enabled transitions 66 [2021-03-26 01:10:40,860 INFO L154 LiptonReduction]: Checked pairs total: 126 [2021-03-26 01:10:40,860 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:40,860 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-03-26 01:10:40,860 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 98 transitions, 1337 flow [2021-03-26 01:10:40,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 150.2) internal successors, (1502), 10 states have internal predecessors, (1502), 0 states have call successors, (0), 0 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 01:10:40,861 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:40,861 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:40,861 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-26 01:10:40,861 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:40,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:40,861 INFO L82 PathProgramCache]: Analyzing trace with hash 728952270, now seen corresponding path program 1 times [2021-03-26 01:10:40,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:40,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447743928] [2021-03-26 01:10:40,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:40,918 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-03-26 01:10:40,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:10:40,942 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-26 01:10:40,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:10:40,972 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.0 percent of original size [2021-03-26 01:10:40,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:41,001 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.0 percent of original size [2021-03-26 01:10:41,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:41,030 INFO L142 QuantifierPusher]: treesize reduction 33, result has 63.7 percent of original size [2021-03-26 01:10:41,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 01:10:41,068 INFO L142 QuantifierPusher]: treesize reduction 33, result has 58.8 percent of original size [2021-03-26 01:10:41,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 01:10:41,106 INFO L142 QuantifierPusher]: treesize reduction 33, result has 65.3 percent of original size [2021-03-26 01:10:41,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 01:10:41,151 INFO L142 QuantifierPusher]: treesize reduction 33, result has 64.9 percent of original size [2021-03-26 01:10:41,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 01:10:41,200 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.2 percent of original size [2021-03-26 01:10:41,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:10:41,220 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-26 01:10:41,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:41,240 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-26 01:10:41,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:41,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:41,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:41,289 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 01:10:41,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447743928] [2021-03-26 01:10:41,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:41,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 01:10:41,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500582465] [2021-03-26 01:10:41,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 01:10:41,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:41,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 01:10:41,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-26 01:10:41,291 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 350 [2021-03-26 01:10:41,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 98 transitions, 1337 flow. Second operand has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:41,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:41,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 350 [2021-03-26 01:10:41,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:42,072 INFO L129 PetriNetUnfolder]: 105/402 cut-off events. [2021-03-26 01:10:42,072 INFO L130 PetriNetUnfolder]: For 3406/3412 co-relation queries the response was YES. [2021-03-26 01:10:42,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2205 conditions, 402 events. 105/402 cut-off events. For 3406/3412 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2687 event pairs, 43 based on Foata normal form. 5/407 useless extension candidates. Maximal degree in co-relation 2158. Up to 281 conditions per place. [2021-03-26 01:10:42,074 INFO L132 encePairwiseOnDemand]: 333/350 looper letters, 93 selfloop transitions, 23 changer transitions 13/133 dead transitions. [2021-03-26 01:10:42,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 133 transitions, 1922 flow [2021-03-26 01:10:42,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:10:42,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:10:42,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1728 transitions. [2021-03-26 01:10:42,076 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4114285714285714 [2021-03-26 01:10:42,076 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1728 transitions. [2021-03-26 01:10:42,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1728 transitions. [2021-03-26 01:10:42,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:42,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1728 transitions. [2021-03-26 01:10:42,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 144.0) internal successors, (1728), 12 states have internal predecessors, (1728), 0 states have call successors, (0), 0 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 01:10:42,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 350.0) internal successors, (4550), 13 states have internal predecessors, (4550), 0 states have call successors, (0), 0 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 01:10:42,079 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 350.0) internal successors, (4550), 13 states have internal predecessors, (4550), 0 states have call successors, (0), 0 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 01:10:42,079 INFO L185 Difference]: Start difference. First operand has 103 places, 98 transitions, 1337 flow. Second operand 12 states and 1728 transitions. [2021-03-26 01:10:42,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 133 transitions, 1922 flow [2021-03-26 01:10:42,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 133 transitions, 1883 flow, removed 10 selfloop flow, removed 9 redundant places. [2021-03-26 01:10:42,089 INFO L241 Difference]: Finished difference. Result has 111 places, 110 transitions, 1504 flow [2021-03-26 01:10:42,089 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=1302, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1504, PETRI_PLACES=111, PETRI_TRANSITIONS=110} [2021-03-26 01:10:42,089 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 45 predicate places. [2021-03-26 01:10:42,089 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:42,089 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 110 transitions, 1504 flow [2021-03-26 01:10:42,089 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 110 transitions, 1504 flow [2021-03-26 01:10:42,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 110 transitions, 1504 flow [2021-03-26 01:10:42,111 INFO L129 PetriNetUnfolder]: 48/279 cut-off events. [2021-03-26 01:10:42,111 INFO L130 PetriNetUnfolder]: For 2418/2431 co-relation queries the response was YES. [2021-03-26 01:10:42,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 279 events. 48/279 cut-off events. For 2418/2431 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1851 event pairs, 7 based on Foata normal form. 8/284 useless extension candidates. Maximal degree in co-relation 1371. Up to 55 conditions per place. [2021-03-26 01:10:42,113 INFO L142 LiptonReduction]: Number of co-enabled transitions 76 [2021-03-26 01:10:42,333 INFO L154 LiptonReduction]: Checked pairs total: 374 [2021-03-26 01:10:42,333 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 01:10:42,333 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 244 [2021-03-26 01:10:42,334 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 110 transitions, 1521 flow [2021-03-26 01:10:42,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:42,334 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:42,334 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:42,334 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-26 01:10:42,334 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:42,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:42,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1205247166, now seen corresponding path program 2 times [2021-03-26 01:10:42,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:42,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475485907] [2021-03-26 01:10:42,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:42,375 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-03-26 01:10:42,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:10:42,397 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-26 01:10:42,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:10:42,430 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.0 percent of original size [2021-03-26 01:10:42,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:42,460 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.0 percent of original size [2021-03-26 01:10:42,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:42,492 INFO L142 QuantifierPusher]: treesize reduction 33, result has 63.7 percent of original size [2021-03-26 01:10:42,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 01:10:42,532 INFO L142 QuantifierPusher]: treesize reduction 33, result has 58.8 percent of original size [2021-03-26 01:10:42,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 01:10:42,570 INFO L142 QuantifierPusher]: treesize reduction 33, result has 58.2 percent of original size [2021-03-26 01:10:42,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 01:10:42,610 INFO L142 QuantifierPusher]: treesize reduction 33, result has 64.9 percent of original size [2021-03-26 01:10:42,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 01:10:42,657 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.2 percent of original size [2021-03-26 01:10:42,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:10:42,678 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-26 01:10:42,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:42,699 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-26 01:10:42,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:42,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:42,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:42,752 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 01:10:42,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475485907] [2021-03-26 01:10:42,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:42,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 01:10:42,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736156656] [2021-03-26 01:10:42,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 01:10:42,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:42,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 01:10:42,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-26 01:10:42,754 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 352 [2021-03-26 01:10:42,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 110 transitions, 1521 flow. Second operand has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:42,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:42,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 352 [2021-03-26 01:10:42,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:43,483 INFO L129 PetriNetUnfolder]: 95/375 cut-off events. [2021-03-26 01:10:43,483 INFO L130 PetriNetUnfolder]: For 3540/3544 co-relation queries the response was YES. [2021-03-26 01:10:43,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2198 conditions, 375 events. 95/375 cut-off events. For 3540/3544 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2462 event pairs, 50 based on Foata normal form. 8/383 useless extension candidates. Maximal degree in co-relation 2135. Up to 292 conditions per place. [2021-03-26 01:10:43,489 INFO L132 encePairwiseOnDemand]: 336/352 looper letters, 90 selfloop transitions, 12 changer transitions 17/123 dead transitions. [2021-03-26 01:10:43,489 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 123 transitions, 1893 flow [2021-03-26 01:10:43,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:10:43,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:10:43,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1717 transitions. [2021-03-26 01:10:43,491 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40648674242424243 [2021-03-26 01:10:43,491 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1717 transitions. [2021-03-26 01:10:43,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1717 transitions. [2021-03-26 01:10:43,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:43,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1717 transitions. [2021-03-26 01:10:43,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.08333333333334) internal successors, (1717), 12 states have internal predecessors, (1717), 0 states have call successors, (0), 0 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 01:10:43,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 352.0) internal successors, (4576), 13 states have internal predecessors, (4576), 0 states have call successors, (0), 0 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 01:10:43,494 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 352.0) internal successors, (4576), 13 states have internal predecessors, (4576), 0 states have call successors, (0), 0 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 01:10:43,494 INFO L185 Difference]: Start difference. First operand has 108 places, 110 transitions, 1521 flow. Second operand 12 states and 1717 transitions. [2021-03-26 01:10:43,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 123 transitions, 1893 flow [2021-03-26 01:10:43,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 123 transitions, 1840 flow, removed 23 selfloop flow, removed 5 redundant places. [2021-03-26 01:10:43,504 INFO L241 Difference]: Finished difference. Result has 118 places, 106 transitions, 1470 flow [2021-03-26 01:10:43,504 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=1482, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1470, PETRI_PLACES=118, PETRI_TRANSITIONS=106} [2021-03-26 01:10:43,504 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 52 predicate places. [2021-03-26 01:10:43,504 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:43,504 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 118 places, 106 transitions, 1470 flow [2021-03-26 01:10:43,504 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 118 places, 106 transitions, 1470 flow [2021-03-26 01:10:43,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 106 transitions, 1470 flow [2021-03-26 01:10:43,525 INFO L129 PetriNetUnfolder]: 43/261 cut-off events. [2021-03-26 01:10:43,525 INFO L130 PetriNetUnfolder]: For 2306/2316 co-relation queries the response was YES. [2021-03-26 01:10:43,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1352 conditions, 261 events. 43/261 cut-off events. For 2306/2316 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1721 event pairs, 7 based on Foata normal form. 5/263 useless extension candidates. Maximal degree in co-relation 1292. Up to 51 conditions per place. [2021-03-26 01:10:43,526 INFO L142 LiptonReduction]: Number of co-enabled transitions 72 [2021-03-26 01:10:44,125 INFO L154 LiptonReduction]: Checked pairs total: 450 [2021-03-26 01:10:44,125 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 01:10:44,126 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 622 [2021-03-26 01:10:44,126 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 105 transitions, 1464 flow [2021-03-26 01:10:44,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:44,126 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:44,126 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:44,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-26 01:10:44,126 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:44,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:44,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1336607008, now seen corresponding path program 1 times [2021-03-26 01:10:44,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:44,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740606958] [2021-03-26 01:10:44,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:44,163 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-26 01:10:44,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:44,171 INFO L142 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-03-26 01:10:44,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:44,183 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.3 percent of original size [2021-03-26 01:10:44,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:44,195 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.3 percent of original size [2021-03-26 01:10:44,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:44,209 INFO L142 QuantifierPusher]: treesize reduction 9, result has 73.5 percent of original size [2021-03-26 01:10:44,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:44,225 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-03-26 01:10:44,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 01:10:44,243 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-26 01:10:44,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:44,260 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-26 01:10:44,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:44,277 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-26 01:10:44,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:44,295 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-26 01:10:44,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:44,296 INFO L142 QuantifierPusher]: treesize reduction 31, result has 44.6 percent of original size [2021-03-26 01:10:44,296 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-03-26 01:10:44,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:44,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:44,338 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 01:10:44,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740606958] [2021-03-26 01:10:44,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:44,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 01:10:44,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220653086] [2021-03-26 01:10:44,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 01:10:44,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:44,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 01:10:44,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-26 01:10:44,340 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 354 [2021-03-26 01:10:44,341 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 105 transitions, 1464 flow. Second operand has 13 states, 13 states have (on average 140.07692307692307) internal successors, (1821), 13 states have internal predecessors, (1821), 0 states have call successors, (0), 0 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 01:10:44,341 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:44,341 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 354 [2021-03-26 01:10:44,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:44,892 INFO L129 PetriNetUnfolder]: 90/353 cut-off events. [2021-03-26 01:10:44,892 INFO L130 PetriNetUnfolder]: For 3278/3280 co-relation queries the response was YES. [2021-03-26 01:10:44,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2073 conditions, 353 events. 90/353 cut-off events. For 3278/3280 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2274 event pairs, 41 based on Foata normal form. 4/357 useless extension candidates. Maximal degree in co-relation 2008. Up to 258 conditions per place. [2021-03-26 01:10:44,894 INFO L132 encePairwiseOnDemand]: 339/354 looper letters, 87 selfloop transitions, 15 changer transitions 15/121 dead transitions. [2021-03-26 01:10:44,894 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 121 transitions, 1834 flow [2021-03-26 01:10:44,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 01:10:44,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 01:10:44,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1437 transitions. [2021-03-26 01:10:44,896 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4059322033898305 [2021-03-26 01:10:44,896 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1437 transitions. [2021-03-26 01:10:44,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1437 transitions. [2021-03-26 01:10:44,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:44,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1437 transitions. [2021-03-26 01:10:44,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 143.7) internal successors, (1437), 10 states have internal predecessors, (1437), 0 states have call successors, (0), 0 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 01:10:44,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 354.0) internal successors, (3894), 11 states have internal predecessors, (3894), 0 states have call successors, (0), 0 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 01:10:44,917 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 354.0) internal successors, (3894), 11 states have internal predecessors, (3894), 0 states have call successors, (0), 0 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 01:10:44,917 INFO L185 Difference]: Start difference. First operand has 111 places, 105 transitions, 1464 flow. Second operand 10 states and 1437 transitions. [2021-03-26 01:10:44,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 121 transitions, 1834 flow [2021-03-26 01:10:44,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 121 transitions, 1782 flow, removed 15 selfloop flow, removed 10 redundant places. [2021-03-26 01:10:44,926 INFO L241 Difference]: Finished difference. Result has 113 places, 103 transitions, 1433 flow [2021-03-26 01:10:44,926 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=354, PETRI_DIFFERENCE_MINUEND_FLOW=1388, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1433, PETRI_PLACES=113, PETRI_TRANSITIONS=103} [2021-03-26 01:10:44,927 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 47 predicate places. [2021-03-26 01:10:44,927 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:44,927 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 103 transitions, 1433 flow [2021-03-26 01:10:44,927 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 103 transitions, 1433 flow [2021-03-26 01:10:44,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 103 transitions, 1433 flow [2021-03-26 01:10:44,946 INFO L129 PetriNetUnfolder]: 40/241 cut-off events. [2021-03-26 01:10:44,946 INFO L130 PetriNetUnfolder]: For 2276/2290 co-relation queries the response was YES. [2021-03-26 01:10:44,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1258 conditions, 241 events. 40/241 cut-off events. For 2276/2290 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1532 event pairs, 6 based on Foata normal form. 7/246 useless extension candidates. Maximal degree in co-relation 1208. Up to 49 conditions per place. [2021-03-26 01:10:44,947 INFO L142 LiptonReduction]: Number of co-enabled transitions 68 [2021-03-26 01:10:44,964 INFO L154 LiptonReduction]: Checked pairs total: 144 [2021-03-26 01:10:44,965 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:44,965 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-03-26 01:10:44,965 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 103 transitions, 1433 flow [2021-03-26 01:10:44,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 140.07692307692307) internal successors, (1821), 13 states have internal predecessors, (1821), 0 states have call successors, (0), 0 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 01:10:44,965 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:44,965 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:44,965 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-26 01:10:44,966 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:44,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:44,966 INFO L82 PathProgramCache]: Analyzing trace with hash -131799423, now seen corresponding path program 1 times [2021-03-26 01:10:44,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:44,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335590529] [2021-03-26 01:10:44,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:44,999 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-26 01:10:45,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:45,010 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-03-26 01:10:45,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:10:45,026 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-26 01:10:45,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:10:45,056 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-26 01:10:45,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:10:45,072 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-26 01:10:45,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 01:10:45,099 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-26 01:10:45,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:45,113 INFO L142 QuantifierPusher]: treesize reduction 31, result has 45.6 percent of original size [2021-03-26 01:10:45,114 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-26 01:10:45,135 INFO L142 QuantifierPusher]: treesize reduction 31, result has 44.6 percent of original size [2021-03-26 01:10:45,136 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-03-26 01:10:45,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:45,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:45,171 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 01:10:45,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335590529] [2021-03-26 01:10:45,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:45,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 01:10:45,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466147298] [2021-03-26 01:10:45,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 01:10:45,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:45,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 01:10:45,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 01:10:45,174 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 354 [2021-03-26 01:10:45,174 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 103 transitions, 1433 flow. Second operand has 11 states, 11 states have (on average 151.0909090909091) internal successors, (1662), 11 states have internal predecessors, (1662), 0 states have call successors, (0), 0 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 01:10:45,174 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:45,174 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 354 [2021-03-26 01:10:45,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:45,675 INFO L129 PetriNetUnfolder]: 78/319 cut-off events. [2021-03-26 01:10:45,675 INFO L130 PetriNetUnfolder]: For 3107/3118 co-relation queries the response was YES. [2021-03-26 01:10:45,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1863 conditions, 319 events. 78/319 cut-off events. For 3107/3118 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1976 event pairs, 38 based on Foata normal form. 2/321 useless extension candidates. Maximal degree in co-relation 1818. Up to 245 conditions per place. [2021-03-26 01:10:45,677 INFO L132 encePairwiseOnDemand]: 339/354 looper letters, 80 selfloop transitions, 13 changer transitions 9/109 dead transitions. [2021-03-26 01:10:45,677 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 109 transitions, 1689 flow [2021-03-26 01:10:45,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 01:10:45,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 01:10:45,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1542 transitions. [2021-03-26 01:10:45,678 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43559322033898307 [2021-03-26 01:10:45,679 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1542 transitions. [2021-03-26 01:10:45,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1542 transitions. [2021-03-26 01:10:45,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:45,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1542 transitions. [2021-03-26 01:10:45,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 154.2) internal successors, (1542), 10 states have internal predecessors, (1542), 0 states have call successors, (0), 0 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 01:10:45,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 354.0) internal successors, (3894), 11 states have internal predecessors, (3894), 0 states have call successors, (0), 0 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 01:10:45,681 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 354.0) internal successors, (3894), 11 states have internal predecessors, (3894), 0 states have call successors, (0), 0 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 01:10:45,681 INFO L185 Difference]: Start difference. First operand has 111 places, 103 transitions, 1433 flow. Second operand 10 states and 1542 transitions. [2021-03-26 01:10:45,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 109 transitions, 1689 flow [2021-03-26 01:10:45,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 109 transitions, 1645 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-26 01:10:45,690 INFO L241 Difference]: Finished difference. Result has 116 places, 100 transitions, 1369 flow [2021-03-26 01:10:45,690 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=354, PETRI_DIFFERENCE_MINUEND_FLOW=1374, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1369, PETRI_PLACES=116, PETRI_TRANSITIONS=100} [2021-03-26 01:10:45,690 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 50 predicate places. [2021-03-26 01:10:45,690 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:45,690 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 100 transitions, 1369 flow [2021-03-26 01:10:45,691 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 100 transitions, 1369 flow [2021-03-26 01:10:45,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 100 transitions, 1369 flow [2021-03-26 01:10:45,709 INFO L129 PetriNetUnfolder]: 38/232 cut-off events. [2021-03-26 01:10:45,709 INFO L130 PetriNetUnfolder]: For 2176/2194 co-relation queries the response was YES. [2021-03-26 01:10:45,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1221 conditions, 232 events. 38/232 cut-off events. For 2176/2194 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1449 event pairs, 6 based on Foata normal form. 7/237 useless extension candidates. Maximal degree in co-relation 1177. Up to 46 conditions per place. [2021-03-26 01:10:45,710 INFO L142 LiptonReduction]: Number of co-enabled transitions 64 [2021-03-26 01:10:46,211 INFO L154 LiptonReduction]: Checked pairs total: 207 [2021-03-26 01:10:46,212 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 01:10:46,212 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 522 [2021-03-26 01:10:46,212 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 98 transitions, 1359 flow [2021-03-26 01:10:46,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 151.0909090909091) internal successors, (1662), 11 states have internal predecessors, (1662), 0 states have call successors, (0), 0 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 01:10:46,212 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:46,212 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:46,213 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-26 01:10:46,213 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:46,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:46,213 INFO L82 PathProgramCache]: Analyzing trace with hash 2084669127, now seen corresponding path program 1 times [2021-03-26 01:10:46,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:46,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12327854] [2021-03-26 01:10:46,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:46,248 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.0 percent of original size [2021-03-26 01:10:46,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 01:10:46,276 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.2 percent of original size [2021-03-26 01:10:46,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 01:10:46,312 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.9 percent of original size [2021-03-26 01:10:46,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 01:10:46,345 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.9 percent of original size [2021-03-26 01:10:46,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 01:10:46,380 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-26 01:10:46,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 01:10:46,411 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-26 01:10:46,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:46,427 INFO L142 QuantifierPusher]: treesize reduction 31, result has 45.6 percent of original size [2021-03-26 01:10:46,427 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-26 01:10:46,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:46,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 01:10:46,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:46,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:46,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:46,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:46,478 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 01:10:46,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12327854] [2021-03-26 01:10:46,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:46,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 01:10:46,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145182930] [2021-03-26 01:10:46,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 01:10:46,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:46,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 01:10:46,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 01:10:46,480 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 356 [2021-03-26 01:10:46,481 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 98 transitions, 1359 flow. Second operand has 11 states, 11 states have (on average 151.0909090909091) internal successors, (1662), 11 states have internal predecessors, (1662), 0 states have call successors, (0), 0 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 01:10:46,481 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:46,481 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 356 [2021-03-26 01:10:46,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:46,885 INFO L129 PetriNetUnfolder]: 76/297 cut-off events. [2021-03-26 01:10:46,885 INFO L130 PetriNetUnfolder]: For 2947/2958 co-relation queries the response was YES. [2021-03-26 01:10:46,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1793 conditions, 297 events. 76/297 cut-off events. For 2947/2958 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1764 event pairs, 39 based on Foata normal form. 1/298 useless extension candidates. Maximal degree in co-relation 1755. Up to 236 conditions per place. [2021-03-26 01:10:46,886 INFO L132 encePairwiseOnDemand]: 345/356 looper letters, 78 selfloop transitions, 9 changer transitions 5/99 dead transitions. [2021-03-26 01:10:46,887 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 99 transitions, 1541 flow [2021-03-26 01:10:46,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 01:10:46,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 01:10:46,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1235 transitions. [2021-03-26 01:10:46,889 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4336376404494382 [2021-03-26 01:10:46,889 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1235 transitions. [2021-03-26 01:10:46,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1235 transitions. [2021-03-26 01:10:46,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:46,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1235 transitions. [2021-03-26 01:10:46,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 154.375) internal successors, (1235), 8 states have internal predecessors, (1235), 0 states have call successors, (0), 0 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 01:10:46,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 356.0) internal successors, (3204), 9 states have internal predecessors, (3204), 0 states have call successors, (0), 0 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 01:10:46,895 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 356.0) internal successors, (3204), 9 states have internal predecessors, (3204), 0 states have call successors, (0), 0 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 01:10:46,895 INFO L185 Difference]: Start difference. First operand has 110 places, 98 transitions, 1359 flow. Second operand 8 states and 1235 transitions. [2021-03-26 01:10:46,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 99 transitions, 1541 flow [2021-03-26 01:10:46,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 99 transitions, 1493 flow, removed 9 selfloop flow, removed 9 redundant places. [2021-03-26 01:10:46,904 INFO L241 Difference]: Finished difference. Result has 108 places, 94 transitions, 1257 flow [2021-03-26 01:10:46,904 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=1295, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1257, PETRI_PLACES=108, PETRI_TRANSITIONS=94} [2021-03-26 01:10:46,904 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 42 predicate places. [2021-03-26 01:10:46,904 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:46,904 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 94 transitions, 1257 flow [2021-03-26 01:10:46,904 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 94 transitions, 1257 flow [2021-03-26 01:10:46,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 94 transitions, 1257 flow [2021-03-26 01:10:46,921 INFO L129 PetriNetUnfolder]: 38/219 cut-off events. [2021-03-26 01:10:46,921 INFO L130 PetriNetUnfolder]: For 1976/1989 co-relation queries the response was YES. [2021-03-26 01:10:46,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1089 conditions, 219 events. 38/219 cut-off events. For 1976/1989 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1346 event pairs, 5 based on Foata normal form. 6/223 useless extension candidates. Maximal degree in co-relation 987. Up to 43 conditions per place. [2021-03-26 01:10:46,922 INFO L142 LiptonReduction]: Number of co-enabled transitions 64 [2021-03-26 01:10:46,937 INFO L154 LiptonReduction]: Checked pairs total: 144 [2021-03-26 01:10:46,937 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:46,937 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-03-26 01:10:46,937 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 94 transitions, 1257 flow [2021-03-26 01:10:46,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 151.0909090909091) internal successors, (1662), 11 states have internal predecessors, (1662), 0 states have call successors, (0), 0 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 01:10:46,938 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:46,938 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:46,938 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-26 01:10:46,938 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:46,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:46,938 INFO L82 PathProgramCache]: Analyzing trace with hash -292106768, now seen corresponding path program 1 times [2021-03-26 01:10:46,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:46,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351776298] [2021-03-26 01:10:46,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:46,977 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-26 01:10:46,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:46,985 INFO L142 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-03-26 01:10:46,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:46,996 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.3 percent of original size [2021-03-26 01:10:46,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:47,008 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.3 percent of original size [2021-03-26 01:10:47,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:47,022 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-03-26 01:10:47,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:47,038 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.0 percent of original size [2021-03-26 01:10:47,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:47,054 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-03-26 01:10:47,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:47,072 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-26 01:10:47,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 01:10:47,087 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-26 01:10:47,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 01:10:47,103 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-26 01:10:47,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:47,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:47,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:47,134 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 01:10:47,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351776298] [2021-03-26 01:10:47,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:47,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 01:10:47,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961033516] [2021-03-26 01:10:47,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 01:10:47,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:47,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 01:10:47,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-26 01:10:47,136 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 356 [2021-03-26 01:10:47,137 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 94 transitions, 1257 flow. Second operand has 13 states, 13 states have (on average 141.07692307692307) internal successors, (1834), 13 states have internal predecessors, (1834), 0 states have call successors, (0), 0 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 01:10:47,137 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:47,137 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 356 [2021-03-26 01:10:47,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:47,675 INFO L129 PetriNetUnfolder]: 74/284 cut-off events. [2021-03-26 01:10:47,675 INFO L130 PetriNetUnfolder]: For 2593/2595 co-relation queries the response was YES. [2021-03-26 01:10:47,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1626 conditions, 284 events. 74/284 cut-off events. For 2593/2595 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1654 event pairs, 37 based on Foata normal form. 6/290 useless extension candidates. Maximal degree in co-relation 1429. Up to 217 conditions per place. [2021-03-26 01:10:47,676 INFO L132 encePairwiseOnDemand]: 341/356 looper letters, 69 selfloop transitions, 7 changer transitions 19/99 dead transitions. [2021-03-26 01:10:47,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 99 transitions, 1472 flow [2021-03-26 01:10:47,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 01:10:47,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 01:10:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1584 transitions. [2021-03-26 01:10:47,678 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4044943820224719 [2021-03-26 01:10:47,678 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1584 transitions. [2021-03-26 01:10:47,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1584 transitions. [2021-03-26 01:10:47,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:47,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1584 transitions. [2021-03-26 01:10:47,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 144.0) internal successors, (1584), 11 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 01:10:47,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 356.0) internal successors, (4272), 12 states have internal predecessors, (4272), 0 states have call successors, (0), 0 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 01:10:47,681 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 356.0) internal successors, (4272), 12 states have internal predecessors, (4272), 0 states have call successors, (0), 0 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 01:10:47,681 INFO L185 Difference]: Start difference. First operand has 103 places, 94 transitions, 1257 flow. Second operand 11 states and 1584 transitions. [2021-03-26 01:10:47,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 99 transitions, 1472 flow [2021-03-26 01:10:47,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 99 transitions, 1399 flow, removed 3 selfloop flow, removed 8 redundant places. [2021-03-26 01:10:47,688 INFO L241 Difference]: Finished difference. Result has 107 places, 80 transitions, 1017 flow [2021-03-26 01:10:47,688 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=1134, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1017, PETRI_PLACES=107, PETRI_TRANSITIONS=80} [2021-03-26 01:10:47,688 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 41 predicate places. [2021-03-26 01:10:47,688 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:47,688 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 80 transitions, 1017 flow [2021-03-26 01:10:47,688 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 80 transitions, 1017 flow [2021-03-26 01:10:47,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 80 transitions, 1017 flow [2021-03-26 01:10:47,703 INFO L129 PetriNetUnfolder]: 33/189 cut-off events. [2021-03-26 01:10:47,703 INFO L130 PetriNetUnfolder]: For 1585/1598 co-relation queries the response was YES. [2021-03-26 01:10:47,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 937 conditions, 189 events. 33/189 cut-off events. For 1585/1598 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1092 event pairs, 4 based on Foata normal form. 6/193 useless extension candidates. Maximal degree in co-relation 862. Up to 38 conditions per place. [2021-03-26 01:10:47,704 INFO L142 LiptonReduction]: Number of co-enabled transitions 56 [2021-03-26 01:10:47,718 INFO L154 LiptonReduction]: Checked pairs total: 72 [2021-03-26 01:10:47,718 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:47,718 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-03-26 01:10:47,719 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 80 transitions, 1017 flow [2021-03-26 01:10:47,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 141.07692307692307) internal successors, (1834), 13 states have internal predecessors, (1834), 0 states have call successors, (0), 0 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 01:10:47,719 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:47,719 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:47,719 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-26 01:10:47,719 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:47,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:47,720 INFO L82 PathProgramCache]: Analyzing trace with hash -358475627, now seen corresponding path program 1 times [2021-03-26 01:10:47,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:47,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660826467] [2021-03-26 01:10:47,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:47,761 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-03-26 01:10:47,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:10:47,785 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-26 01:10:47,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:10:47,817 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.0 percent of original size [2021-03-26 01:10:47,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:47,846 INFO L142 QuantifierPusher]: treesize reduction 33, result has 63.7 percent of original size [2021-03-26 01:10:47,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 01:10:47,884 INFO L142 QuantifierPusher]: treesize reduction 33, result has 58.8 percent of original size [2021-03-26 01:10:47,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 01:10:47,920 INFO L142 QuantifierPusher]: treesize reduction 33, result has 58.8 percent of original size [2021-03-26 01:10:47,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 01:10:47,957 INFO L142 QuantifierPusher]: treesize reduction 33, result has 65.3 percent of original size [2021-03-26 01:10:47,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 01:10:48,010 INFO L142 QuantifierPusher]: treesize reduction 33, result has 64.9 percent of original size [2021-03-26 01:10:48,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 01:10:48,062 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.2 percent of original size [2021-03-26 01:10:48,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:10:48,082 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-26 01:10:48,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:48,102 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-26 01:10:48,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:48,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:48,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:48,152 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 01:10:48,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660826467] [2021-03-26 01:10:48,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:48,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 01:10:48,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722587414] [2021-03-26 01:10:48,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 01:10:48,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:48,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 01:10:48,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-26 01:10:48,154 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 356 [2021-03-26 01:10:48,155 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 80 transitions, 1017 flow. Second operand has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:48,155 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:48,155 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 356 [2021-03-26 01:10:48,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:48,923 INFO L129 PetriNetUnfolder]: 117/406 cut-off events. [2021-03-26 01:10:48,924 INFO L130 PetriNetUnfolder]: For 3249/3255 co-relation queries the response was YES. [2021-03-26 01:10:48,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2286 conditions, 406 events. 117/406 cut-off events. For 3249/3255 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2635 event pairs, 35 based on Foata normal form. 7/413 useless extension candidates. Maximal degree in co-relation 2192. Up to 229 conditions per place. [2021-03-26 01:10:48,925 INFO L132 encePairwiseOnDemand]: 340/356 looper letters, 85 selfloop transitions, 27 changer transitions 22/138 dead transitions. [2021-03-26 01:10:48,925 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 138 transitions, 1974 flow [2021-03-26 01:10:48,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:10:48,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:10:48,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1725 transitions. [2021-03-26 01:10:48,927 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40379213483146065 [2021-03-26 01:10:48,927 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1725 transitions. [2021-03-26 01:10:48,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1725 transitions. [2021-03-26 01:10:48,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:48,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1725 transitions. [2021-03-26 01:10:48,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.75) internal successors, (1725), 12 states have internal predecessors, (1725), 0 states have call successors, (0), 0 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 01:10:48,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 356.0) internal successors, (4628), 13 states have internal predecessors, (4628), 0 states have call successors, (0), 0 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 01:10:48,930 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 356.0) internal successors, (4628), 13 states have internal predecessors, (4628), 0 states have call successors, (0), 0 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 01:10:48,930 INFO L185 Difference]: Start difference. First operand has 97 places, 80 transitions, 1017 flow. Second operand 12 states and 1725 transitions. [2021-03-26 01:10:48,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 138 transitions, 1974 flow [2021-03-26 01:10:48,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 138 transitions, 1717 flow, removed 36 selfloop flow, removed 16 redundant places. [2021-03-26 01:10:48,939 INFO L241 Difference]: Finished difference. Result has 98 places, 96 transitions, 1152 flow [2021-03-26 01:10:48,939 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=854, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1152, PETRI_PLACES=98, PETRI_TRANSITIONS=96} [2021-03-26 01:10:48,939 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 32 predicate places. [2021-03-26 01:10:48,939 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:48,939 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 96 transitions, 1152 flow [2021-03-26 01:10:48,939 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 96 transitions, 1152 flow [2021-03-26 01:10:48,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 96 transitions, 1152 flow [2021-03-26 01:10:48,958 INFO L129 PetriNetUnfolder]: 56/266 cut-off events. [2021-03-26 01:10:48,958 INFO L130 PetriNetUnfolder]: For 1656/1666 co-relation queries the response was YES. [2021-03-26 01:10:48,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1307 conditions, 266 events. 56/266 cut-off events. For 1656/1666 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1648 event pairs, 6 based on Foata normal form. 7/269 useless extension candidates. Maximal degree in co-relation 1250. Up to 57 conditions per place. [2021-03-26 01:10:48,960 INFO L142 LiptonReduction]: Number of co-enabled transitions 76 [2021-03-26 01:10:48,976 INFO L154 LiptonReduction]: Checked pairs total: 110 [2021-03-26 01:10:48,976 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:48,976 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-26 01:10:48,977 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 96 transitions, 1152 flow [2021-03-26 01:10:48,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:48,977 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:48,977 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:48,977 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-26 01:10:48,977 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:48,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:48,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1701967652, now seen corresponding path program 1 times [2021-03-26 01:10:48,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:48,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623431259] [2021-03-26 01:10:48,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:49,020 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-26 01:10:49,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:49,030 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.1 percent of original size [2021-03-26 01:10:49,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:10:49,062 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size [2021-03-26 01:10:49,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:49,094 INFO L142 QuantifierPusher]: treesize reduction 25, result has 70.9 percent of original size [2021-03-26 01:10:49,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 01:10:49,134 INFO L142 QuantifierPusher]: treesize reduction 25, result has 70.9 percent of original size [2021-03-26 01:10:49,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 01:10:49,173 INFO L142 QuantifierPusher]: treesize reduction 25, result has 70.6 percent of original size [2021-03-26 01:10:49,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 01:10:49,214 INFO L142 QuantifierPusher]: treesize reduction 25, result has 66.2 percent of original size [2021-03-26 01:10:49,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:10:49,257 INFO L142 QuantifierPusher]: treesize reduction 25, result has 71.9 percent of original size [2021-03-26 01:10:49,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 01:10:49,301 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-26 01:10:49,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:49,323 INFO L142 QuantifierPusher]: treesize reduction 23, result has 67.6 percent of original size [2021-03-26 01:10:49,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 01:10:49,362 INFO L142 QuantifierPusher]: treesize reduction 42, result has 52.3 percent of original size [2021-03-26 01:10:49,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 01:10:49,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:49,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:49,428 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 01:10:49,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623431259] [2021-03-26 01:10:49,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:49,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 01:10:49,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318726547] [2021-03-26 01:10:49,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 01:10:49,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:49,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 01:10:49,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-26 01:10:49,430 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 356 [2021-03-26 01:10:49,431 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 96 transitions, 1152 flow. Second operand has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:49,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:49,431 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 356 [2021-03-26 01:10:49,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:50,174 INFO L129 PetriNetUnfolder]: 97/355 cut-off events. [2021-03-26 01:10:50,174 INFO L130 PetriNetUnfolder]: For 2478/2486 co-relation queries the response was YES. [2021-03-26 01:10:50,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1986 conditions, 355 events. 97/355 cut-off events. For 2478/2486 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2217 event pairs, 37 based on Foata normal form. 8/363 useless extension candidates. Maximal degree in co-relation 1919. Up to 243 conditions per place. [2021-03-26 01:10:50,176 INFO L132 encePairwiseOnDemand]: 343/356 looper letters, 68 selfloop transitions, 20 changer transitions 29/121 dead transitions. [2021-03-26 01:10:50,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 121 transitions, 1640 flow [2021-03-26 01:10:50,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:10:50,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:10:50,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1711 transitions. [2021-03-26 01:10:50,177 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40051498127340823 [2021-03-26 01:10:50,177 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1711 transitions. [2021-03-26 01:10:50,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1711 transitions. [2021-03-26 01:10:50,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:50,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1711 transitions. [2021-03-26 01:10:50,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 142.58333333333334) internal successors, (1711), 12 states have internal predecessors, (1711), 0 states have call successors, (0), 0 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 01:10:50,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 356.0) internal successors, (4628), 13 states have internal predecessors, (4628), 0 states have call successors, (0), 0 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 01:10:50,180 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 356.0) internal successors, (4628), 13 states have internal predecessors, (4628), 0 states have call successors, (0), 0 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 01:10:50,181 INFO L185 Difference]: Start difference. First operand has 95 places, 96 transitions, 1152 flow. Second operand 12 states and 1711 transitions. [2021-03-26 01:10:50,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 121 transitions, 1640 flow [2021-03-26 01:10:50,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 121 transitions, 1559 flow, removed 28 selfloop flow, removed 7 redundant places. [2021-03-26 01:10:50,188 INFO L241 Difference]: Finished difference. Result has 103 places, 92 transitions, 1125 flow [2021-03-26 01:10:50,188 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1125, PETRI_PLACES=103, PETRI_TRANSITIONS=92} [2021-03-26 01:10:50,188 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 37 predicate places. [2021-03-26 01:10:50,188 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:50,188 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 92 transitions, 1125 flow [2021-03-26 01:10:50,188 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 92 transitions, 1125 flow [2021-03-26 01:10:50,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 92 transitions, 1125 flow [2021-03-26 01:10:50,204 INFO L129 PetriNetUnfolder]: 46/222 cut-off events. [2021-03-26 01:10:50,204 INFO L130 PetriNetUnfolder]: For 1370/1375 co-relation queries the response was YES. [2021-03-26 01:10:50,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1098 conditions, 222 events. 46/222 cut-off events. For 1370/1375 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1300 event pairs, 5 based on Foata normal form. 5/223 useless extension candidates. Maximal degree in co-relation 1036. Up to 47 conditions per place. [2021-03-26 01:10:50,205 INFO L142 LiptonReduction]: Number of co-enabled transitions 64 [2021-03-26 01:10:50,221 INFO L154 LiptonReduction]: Checked pairs total: 90 [2021-03-26 01:10:50,221 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:50,221 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-03-26 01:10:50,221 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 92 transitions, 1125 flow [2021-03-26 01:10:50,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:50,222 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:50,222 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:50,222 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-26 01:10:50,222 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:50,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:50,222 INFO L82 PathProgramCache]: Analyzing trace with hash 111966779, now seen corresponding path program 2 times [2021-03-26 01:10:50,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:50,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613805884] [2021-03-26 01:10:50,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:50,264 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-03-26 01:10:50,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:10:50,286 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-26 01:10:50,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:10:50,319 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.0 percent of original size [2021-03-26 01:10:50,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:50,349 INFO L142 QuantifierPusher]: treesize reduction 33, result has 63.7 percent of original size [2021-03-26 01:10:50,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 01:10:50,390 INFO L142 QuantifierPusher]: treesize reduction 33, result has 58.8 percent of original size [2021-03-26 01:10:50,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 01:10:50,426 INFO L142 QuantifierPusher]: treesize reduction 33, result has 58.8 percent of original size [2021-03-26 01:10:50,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 01:10:50,463 INFO L142 QuantifierPusher]: treesize reduction 33, result has 58.2 percent of original size [2021-03-26 01:10:50,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 01:10:50,502 INFO L142 QuantifierPusher]: treesize reduction 33, result has 64.9 percent of original size [2021-03-26 01:10:50,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 01:10:50,546 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.2 percent of original size [2021-03-26 01:10:50,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:10:50,566 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-26 01:10:50,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:50,586 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-26 01:10:50,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:50,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:50,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:50,636 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 01:10:50,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613805884] [2021-03-26 01:10:50,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:50,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 01:10:50,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633261877] [2021-03-26 01:10:50,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 01:10:50,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:50,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 01:10:50,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-26 01:10:50,642 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 356 [2021-03-26 01:10:50,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 92 transitions, 1125 flow. Second operand has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:50,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:50,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 356 [2021-03-26 01:10:50,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:51,310 INFO L129 PetriNetUnfolder]: 89/333 cut-off events. [2021-03-26 01:10:51,311 INFO L130 PetriNetUnfolder]: For 2320/2324 co-relation queries the response was YES. [2021-03-26 01:10:51,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1860 conditions, 333 events. 89/333 cut-off events. For 2320/2324 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2072 event pairs, 38 based on Foata normal form. 10/343 useless extension candidates. Maximal degree in co-relation 1807. Up to 227 conditions per place. [2021-03-26 01:10:51,312 INFO L132 encePairwiseOnDemand]: 343/356 looper letters, 66 selfloop transitions, 16 changer transitions 28/114 dead transitions. [2021-03-26 01:10:51,312 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 114 transitions, 1584 flow [2021-03-26 01:10:51,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:10:51,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:10:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1710 transitions. [2021-03-26 01:10:51,314 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4002808988764045 [2021-03-26 01:10:51,314 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1710 transitions. [2021-03-26 01:10:51,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1710 transitions. [2021-03-26 01:10:51,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:51,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1710 transitions. [2021-03-26 01:10:51,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 142.5) internal successors, (1710), 12 states have internal predecessors, (1710), 0 states have call successors, (0), 0 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 01:10:51,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 356.0) internal successors, (4628), 13 states have internal predecessors, (4628), 0 states have call successors, (0), 0 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 01:10:51,317 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 356.0) internal successors, (4628), 13 states have internal predecessors, (4628), 0 states have call successors, (0), 0 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 01:10:51,317 INFO L185 Difference]: Start difference. First operand has 95 places, 92 transitions, 1125 flow. Second operand 12 states and 1710 transitions. [2021-03-26 01:10:51,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 114 transitions, 1584 flow [2021-03-26 01:10:51,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 114 transitions, 1469 flow, removed 34 selfloop flow, removed 9 redundant places. [2021-03-26 01:10:51,324 INFO L241 Difference]: Finished difference. Result has 102 places, 86 transitions, 1053 flow [2021-03-26 01:10:51,324 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=1033, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1053, PETRI_PLACES=102, PETRI_TRANSITIONS=86} [2021-03-26 01:10:51,324 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 36 predicate places. [2021-03-26 01:10:51,324 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:51,324 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 86 transitions, 1053 flow [2021-03-26 01:10:51,325 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 86 transitions, 1053 flow [2021-03-26 01:10:51,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 86 transitions, 1053 flow [2021-03-26 01:10:51,339 INFO L129 PetriNetUnfolder]: 39/203 cut-off events. [2021-03-26 01:10:51,339 INFO L130 PetriNetUnfolder]: For 1138/1144 co-relation queries the response was YES. [2021-03-26 01:10:51,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 979 conditions, 203 events. 39/203 cut-off events. For 1138/1144 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1168 event pairs, 6 based on Foata normal form. 4/203 useless extension candidates. Maximal degree in co-relation 917. Up to 42 conditions per place. [2021-03-26 01:10:51,340 INFO L142 LiptonReduction]: Number of co-enabled transitions 58 [2021-03-26 01:10:51,357 INFO L154 LiptonReduction]: Checked pairs total: 72 [2021-03-26 01:10:51,357 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:51,357 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-03-26 01:10:51,357 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 86 transitions, 1053 flow [2021-03-26 01:10:51,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:51,358 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:51,358 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:51,358 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-26 01:10:51,358 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:51,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:51,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1409833899, now seen corresponding path program 1 times [2021-03-26 01:10:51,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:51,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764113814] [2021-03-26 01:10:51,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:51,393 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-26 01:10:51,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:51,402 INFO L142 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-03-26 01:10:51,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:51,414 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.3 percent of original size [2021-03-26 01:10:51,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:51,425 INFO L142 QuantifierPusher]: treesize reduction 9, result has 80.0 percent of original size [2021-03-26 01:10:51,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 01:10:51,439 INFO L142 QuantifierPusher]: treesize reduction 9, result has 73.5 percent of original size [2021-03-26 01:10:51,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:51,454 INFO L142 QuantifierPusher]: treesize reduction 9, result has 73.5 percent of original size [2021-03-26 01:10:51,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:51,469 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-03-26 01:10:51,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 01:10:51,489 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-26 01:10:51,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:51,506 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-26 01:10:51,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:51,524 INFO L142 QuantifierPusher]: treesize reduction 31, result has 45.6 percent of original size [2021-03-26 01:10:51,525 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-26 01:10:51,551 INFO L142 QuantifierPusher]: treesize reduction 31, result has 44.6 percent of original size [2021-03-26 01:10:51,551 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-03-26 01:10:51,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:51,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:51,595 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 01:10:51,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764113814] [2021-03-26 01:10:51,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:51,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 01:10:51,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458238769] [2021-03-26 01:10:51,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 01:10:51,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:51,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 01:10:51,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-26 01:10:51,597 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 356 [2021-03-26 01:10:51,597 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 86 transitions, 1053 flow. Second operand has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:51,597 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:51,597 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 356 [2021-03-26 01:10:51,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:52,213 INFO L129 PetriNetUnfolder]: 83/307 cut-off events. [2021-03-26 01:10:52,213 INFO L130 PetriNetUnfolder]: For 1922/1930 co-relation queries the response was YES. [2021-03-26 01:10:52,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1641 conditions, 307 events. 83/307 cut-off events. For 1922/1930 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1848 event pairs, 26 based on Foata normal form. 4/311 useless extension candidates. Maximal degree in co-relation 1572. Up to 209 conditions per place. [2021-03-26 01:10:52,215 INFO L132 encePairwiseOnDemand]: 341/356 looper letters, 68 selfloop transitions, 33 changer transitions 11/116 dead transitions. [2021-03-26 01:10:52,215 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 116 transitions, 1550 flow [2021-03-26 01:10:52,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 01:10:52,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 01:10:52,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1852 transitions. [2021-03-26 01:10:52,217 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40017286084701814 [2021-03-26 01:10:52,217 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1852 transitions. [2021-03-26 01:10:52,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1852 transitions. [2021-03-26 01:10:52,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:52,217 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1852 transitions. [2021-03-26 01:10:52,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 142.46153846153845) internal successors, (1852), 13 states have internal predecessors, (1852), 0 states have call successors, (0), 0 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 01:10:52,220 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 356.0) internal successors, (4984), 14 states have internal predecessors, (4984), 0 states have call successors, (0), 0 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 01:10:52,220 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 356.0) internal successors, (4984), 14 states have internal predecessors, (4984), 0 states have call successors, (0), 0 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 01:10:52,220 INFO L185 Difference]: Start difference. First operand has 97 places, 86 transitions, 1053 flow. Second operand 13 states and 1852 transitions. [2021-03-26 01:10:52,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 116 transitions, 1550 flow [2021-03-26 01:10:52,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 116 transitions, 1480 flow, removed 19 selfloop flow, removed 10 redundant places. [2021-03-26 01:10:52,226 INFO L241 Difference]: Finished difference. Result has 105 places, 101 transitions, 1251 flow [2021-03-26 01:10:52,227 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=987, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1251, PETRI_PLACES=105, PETRI_TRANSITIONS=101} [2021-03-26 01:10:52,227 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 39 predicate places. [2021-03-26 01:10:52,227 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:52,227 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 101 transitions, 1251 flow [2021-03-26 01:10:52,227 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 101 transitions, 1251 flow [2021-03-26 01:10:52,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 101 transitions, 1251 flow [2021-03-26 01:10:52,243 INFO L129 PetriNetUnfolder]: 43/222 cut-off events. [2021-03-26 01:10:52,244 INFO L130 PetriNetUnfolder]: For 1264/1273 co-relation queries the response was YES. [2021-03-26 01:10:52,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1104 conditions, 222 events. 43/222 cut-off events. For 1264/1273 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1308 event pairs, 5 based on Foata normal form. 3/223 useless extension candidates. Maximal degree in co-relation 1057. Up to 45 conditions per place. [2021-03-26 01:10:52,245 INFO L142 LiptonReduction]: Number of co-enabled transitions 52 [2021-03-26 01:10:52,472 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 01:10:52,473 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 01:10:52,473 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 246 [2021-03-26 01:10:52,473 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 101 transitions, 1267 flow [2021-03-26 01:10:52,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:52,473 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:52,473 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:52,473 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-26 01:10:52,473 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:52,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:52,474 INFO L82 PathProgramCache]: Analyzing trace with hash 566197231, now seen corresponding path program 2 times [2021-03-26 01:10:52,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:52,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439927566] [2021-03-26 01:10:52,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:52,510 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-26 01:10:52,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:52,518 INFO L142 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-03-26 01:10:52,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:52,530 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.3 percent of original size [2021-03-26 01:10:52,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:52,542 INFO L142 QuantifierPusher]: treesize reduction 9, result has 80.0 percent of original size [2021-03-26 01:10:52,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 01:10:52,557 INFO L142 QuantifierPusher]: treesize reduction 9, result has 73.5 percent of original size [2021-03-26 01:10:52,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:52,571 INFO L142 QuantifierPusher]: treesize reduction 9, result has 73.5 percent of original size [2021-03-26 01:10:52,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:52,587 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-03-26 01:10:52,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 01:10:52,607 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-26 01:10:52,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:52,625 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-26 01:10:52,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:52,643 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-26 01:10:52,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:52,661 INFO L142 QuantifierPusher]: treesize reduction 31, result has 44.6 percent of original size [2021-03-26 01:10:52,662 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-03-26 01:10:52,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:52,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:52,704 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 01:10:52,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439927566] [2021-03-26 01:10:52,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:52,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 01:10:52,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276820959] [2021-03-26 01:10:52,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 01:10:52,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:52,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 01:10:52,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-26 01:10:52,706 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 360 [2021-03-26 01:10:52,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 101 transitions, 1267 flow. Second operand has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:52,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:52,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 360 [2021-03-26 01:10:52,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:53,362 INFO L129 PetriNetUnfolder]: 74/302 cut-off events. [2021-03-26 01:10:53,362 INFO L130 PetriNetUnfolder]: For 1942/1946 co-relation queries the response was YES. [2021-03-26 01:10:53,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1656 conditions, 302 events. 74/302 cut-off events. For 1942/1946 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1870 event pairs, 20 based on Foata normal form. 7/309 useless extension candidates. Maximal degree in co-relation 1606. Up to 161 conditions per place. [2021-03-26 01:10:53,364 INFO L132 encePairwiseOnDemand]: 343/360 looper letters, 58 selfloop transitions, 20 changer transitions 32/114 dead transitions. [2021-03-26 01:10:53,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 114 transitions, 1572 flow [2021-03-26 01:10:53,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:10:53,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:10:53,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1713 transitions. [2021-03-26 01:10:53,365 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39652777777777776 [2021-03-26 01:10:53,365 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1713 transitions. [2021-03-26 01:10:53,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1713 transitions. [2021-03-26 01:10:53,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:53,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1713 transitions. [2021-03-26 01:10:53,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 142.75) internal successors, (1713), 12 states have internal predecessors, (1713), 0 states have call successors, (0), 0 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 01:10:53,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 360.0) internal successors, (4680), 13 states have internal predecessors, (4680), 0 states have call successors, (0), 0 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 01:10:53,369 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 360.0) internal successors, (4680), 13 states have internal predecessors, (4680), 0 states have call successors, (0), 0 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 01:10:53,369 INFO L185 Difference]: Start difference. First operand has 103 places, 101 transitions, 1267 flow. Second operand 12 states and 1713 transitions. [2021-03-26 01:10:53,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 114 transitions, 1572 flow [2021-03-26 01:10:53,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 114 transitions, 1509 flow, removed 20 selfloop flow, removed 7 redundant places. [2021-03-26 01:10:53,376 INFO L241 Difference]: Finished difference. Result has 109 places, 81 transitions, 1001 flow [2021-03-26 01:10:53,376 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=1206, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1001, PETRI_PLACES=109, PETRI_TRANSITIONS=81} [2021-03-26 01:10:53,376 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 43 predicate places. [2021-03-26 01:10:53,376 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:53,376 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 81 transitions, 1001 flow [2021-03-26 01:10:53,376 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 81 transitions, 1001 flow [2021-03-26 01:10:53,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 81 transitions, 1001 flow [2021-03-26 01:10:53,389 INFO L129 PetriNetUnfolder]: 27/163 cut-off events. [2021-03-26 01:10:53,389 INFO L130 PetriNetUnfolder]: For 1051/1056 co-relation queries the response was YES. [2021-03-26 01:10:53,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 803 conditions, 163 events. 27/163 cut-off events. For 1051/1056 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 883 event pairs, 4 based on Foata normal form. 3/164 useless extension candidates. Maximal degree in co-relation 734. Up to 32 conditions per place. [2021-03-26 01:10:53,390 INFO L142 LiptonReduction]: Number of co-enabled transitions 42 [2021-03-26 01:10:53,398 INFO L154 LiptonReduction]: Checked pairs total: 14 [2021-03-26 01:10:53,398 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:53,398 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-03-26 01:10:53,398 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 81 transitions, 1001 flow [2021-03-26 01:10:53,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:53,398 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:53,399 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:53,399 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-03-26 01:10:53,399 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:53,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:53,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1252963550, now seen corresponding path program 1 times [2021-03-26 01:10:53,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:53,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543684387] [2021-03-26 01:10:53,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:53,453 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size [2021-03-26 01:10:53,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:10:53,476 INFO L142 QuantifierPusher]: treesize reduction 12, result has 80.3 percent of original size [2021-03-26 01:10:53,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:10:53,508 INFO L142 QuantifierPusher]: treesize reduction 44, result has 58.1 percent of original size [2021-03-26 01:10:53,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 01:10:53,551 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.7 percent of original size [2021-03-26 01:10:53,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 01:10:53,592 INFO L142 QuantifierPusher]: treesize reduction 36, result has 56.6 percent of original size [2021-03-26 01:10:53,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 01:10:53,627 INFO L142 QuantifierPusher]: treesize reduction 36, result has 63.3 percent of original size [2021-03-26 01:10:53,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 01:10:53,669 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.5 percent of original size [2021-03-26 01:10:53,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:10:53,686 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.5 percent of original size [2021-03-26 01:10:53,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:10:53,705 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.3 percent of original size [2021-03-26 01:10:53,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:10:53,735 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size [2021-03-26 01:10:53,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:10:53,736 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-26 01:10:53,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:53,758 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-26 01:10:53,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:53,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:53,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:53,808 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 01:10:53,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543684387] [2021-03-26 01:10:53,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:53,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 01:10:53,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155424337] [2021-03-26 01:10:53,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 01:10:53,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:53,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 01:10:53,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-03-26 01:10:53,810 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 360 [2021-03-26 01:10:53,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 81 transitions, 1001 flow. Second operand has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:53,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:53,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 360 [2021-03-26 01:10:53,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:54,519 INFO L129 PetriNetUnfolder]: 91/341 cut-off events. [2021-03-26 01:10:54,519 INFO L130 PetriNetUnfolder]: For 2293/2297 co-relation queries the response was YES. [2021-03-26 01:10:54,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1878 conditions, 341 events. 91/341 cut-off events. For 2293/2297 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2140 event pairs, 11 based on Foata normal form. 10/351 useless extension candidates. Maximal degree in co-relation 1801. Up to 133 conditions per place. [2021-03-26 01:10:54,520 INFO L132 encePairwiseOnDemand]: 343/360 looper letters, 69 selfloop transitions, 37 changer transitions 22/132 dead transitions. [2021-03-26 01:10:54,521 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 132 transitions, 1785 flow [2021-03-26 01:10:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:10:54,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:10:54,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1723 transitions. [2021-03-26 01:10:54,522 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3988425925925926 [2021-03-26 01:10:54,522 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1723 transitions. [2021-03-26 01:10:54,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1723 transitions. [2021-03-26 01:10:54,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:54,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1723 transitions. [2021-03-26 01:10:54,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.58333333333334) internal successors, (1723), 12 states have internal predecessors, (1723), 0 states have call successors, (0), 0 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 01:10:54,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 360.0) internal successors, (4680), 13 states have internal predecessors, (4680), 0 states have call successors, (0), 0 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 01:10:54,525 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 360.0) internal successors, (4680), 13 states have internal predecessors, (4680), 0 states have call successors, (0), 0 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 01:10:54,526 INFO L185 Difference]: Start difference. First operand has 102 places, 81 transitions, 1001 flow. Second operand 12 states and 1723 transitions. [2021-03-26 01:10:54,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 132 transitions, 1785 flow [2021-03-26 01:10:54,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 132 transitions, 1659 flow, removed 32 selfloop flow, removed 15 redundant places. [2021-03-26 01:10:54,534 INFO L241 Difference]: Finished difference. Result has 104 places, 96 transitions, 1228 flow [2021-03-26 01:10:54,534 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=909, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1228, PETRI_PLACES=104, PETRI_TRANSITIONS=96} [2021-03-26 01:10:54,534 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 38 predicate places. [2021-03-26 01:10:54,534 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:54,534 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 96 transitions, 1228 flow [2021-03-26 01:10:54,534 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 96 transitions, 1228 flow [2021-03-26 01:10:54,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 96 transitions, 1228 flow [2021-03-26 01:10:54,551 INFO L129 PetriNetUnfolder]: 42/218 cut-off events. [2021-03-26 01:10:54,551 INFO L130 PetriNetUnfolder]: For 1487/1498 co-relation queries the response was YES. [2021-03-26 01:10:54,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1087 conditions, 218 events. 42/218 cut-off events. For 1487/1498 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1270 event pairs, 6 based on Foata normal form. 6/220 useless extension candidates. Maximal degree in co-relation 1025. Up to 47 conditions per place. [2021-03-26 01:10:54,553 INFO L142 LiptonReduction]: Number of co-enabled transitions 52 [2021-03-26 01:10:54,561 INFO L154 LiptonReduction]: Checked pairs total: 60 [2021-03-26 01:10:54,561 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:54,561 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-03-26 01:10:54,561 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 96 transitions, 1228 flow [2021-03-26 01:10:54,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:54,562 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:54,562 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:54,562 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-03-26 01:10:54,562 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:54,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:54,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1622501474, now seen corresponding path program 1 times [2021-03-26 01:10:54,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:54,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601916570] [2021-03-26 01:10:54,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:54,617 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.6 percent of original size [2021-03-26 01:10:54,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 01:10:54,636 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.5 percent of original size [2021-03-26 01:10:54,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 01:10:54,662 INFO L142 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-03-26 01:10:54,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:10:54,679 INFO L142 QuantifierPusher]: treesize reduction 9, result has 80.0 percent of original size [2021-03-26 01:10:54,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 01:10:54,694 INFO L142 QuantifierPusher]: treesize reduction 9, result has 73.5 percent of original size [2021-03-26 01:10:54,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:54,708 INFO L142 QuantifierPusher]: treesize reduction 9, result has 73.5 percent of original size [2021-03-26 01:10:54,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:54,723 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-03-26 01:10:54,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 01:10:54,751 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-26 01:10:54,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:54,775 INFO L142 QuantifierPusher]: treesize reduction 64, result has 39.0 percent of original size [2021-03-26 01:10:54,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:54,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:54,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 01:10:54,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:54,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:54,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:54,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:54,841 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 01:10:54,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601916570] [2021-03-26 01:10:54,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:54,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 01:10:54,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086258945] [2021-03-26 01:10:54,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 01:10:54,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:54,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 01:10:54,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-03-26 01:10:54,843 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 360 [2021-03-26 01:10:54,844 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 96 transitions, 1228 flow. Second operand has 13 states, 13 states have (on average 141.07692307692307) internal successors, (1834), 13 states have internal predecessors, (1834), 0 states have call successors, (0), 0 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 01:10:54,844 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:54,844 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 360 [2021-03-26 01:10:54,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:55,307 INFO L129 PetriNetUnfolder]: 76/294 cut-off events. [2021-03-26 01:10:55,307 INFO L130 PetriNetUnfolder]: For 2243/2247 co-relation queries the response was YES. [2021-03-26 01:10:55,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1693 conditions, 294 events. 76/294 cut-off events. For 2243/2247 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1722 event pairs, 34 based on Foata normal form. 3/297 useless extension candidates. Maximal degree in co-relation 1624. Up to 225 conditions per place. [2021-03-26 01:10:55,309 INFO L132 encePairwiseOnDemand]: 348/360 looper letters, 72 selfloop transitions, 12 changer transitions 14/102 dead transitions. [2021-03-26 01:10:55,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 102 transitions, 1482 flow [2021-03-26 01:10:55,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 01:10:55,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 01:10:55,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1574 transitions. [2021-03-26 01:10:55,310 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3974747474747475 [2021-03-26 01:10:55,310 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1574 transitions. [2021-03-26 01:10:55,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1574 transitions. [2021-03-26 01:10:55,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:55,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1574 transitions. [2021-03-26 01:10:55,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 143.0909090909091) internal successors, (1574), 11 states have internal predecessors, (1574), 0 states have call successors, (0), 0 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 01:10:55,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 360.0) internal successors, (4320), 12 states have internal predecessors, (4320), 0 states have call successors, (0), 0 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 01:10:55,313 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 360.0) internal successors, (4320), 12 states have internal predecessors, (4320), 0 states have call successors, (0), 0 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 01:10:55,313 INFO L185 Difference]: Start difference. First operand has 101 places, 96 transitions, 1228 flow. Second operand 11 states and 1574 transitions. [2021-03-26 01:10:55,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 102 transitions, 1482 flow [2021-03-26 01:10:55,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 102 transitions, 1391 flow, removed 29 selfloop flow, removed 9 redundant places. [2021-03-26 01:10:55,321 INFO L241 Difference]: Finished difference. Result has 104 places, 88 transitions, 1047 flow [2021-03-26 01:10:55,321 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=1137, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1047, PETRI_PLACES=104, PETRI_TRANSITIONS=88} [2021-03-26 01:10:55,321 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 38 predicate places. [2021-03-26 01:10:55,321 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:55,321 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 88 transitions, 1047 flow [2021-03-26 01:10:55,321 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 88 transitions, 1047 flow [2021-03-26 01:10:55,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 88 transitions, 1047 flow [2021-03-26 01:10:55,336 INFO L129 PetriNetUnfolder]: 39/202 cut-off events. [2021-03-26 01:10:55,336 INFO L130 PetriNetUnfolder]: For 1213/1222 co-relation queries the response was YES. [2021-03-26 01:10:55,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 949 conditions, 202 events. 39/202 cut-off events. For 1213/1222 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1176 event pairs, 5 based on Foata normal form. 5/203 useless extension candidates. Maximal degree in co-relation 903. Up to 44 conditions per place. [2021-03-26 01:10:55,337 INFO L142 LiptonReduction]: Number of co-enabled transitions 52 [2021-03-26 01:10:55,352 INFO L154 LiptonReduction]: Checked pairs total: 90 [2021-03-26 01:10:55,353 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:55,353 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-03-26 01:10:55,353 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 88 transitions, 1047 flow [2021-03-26 01:10:55,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 141.07692307692307) internal successors, (1834), 13 states have internal predecessors, (1834), 0 states have call successors, (0), 0 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 01:10:55,353 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:55,353 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:55,354 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-03-26 01:10:55,354 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:55,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:55,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1419049725, now seen corresponding path program 1 times [2021-03-26 01:10:55,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:55,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611223387] [2021-03-26 01:10:55,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:55,393 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size [2021-03-26 01:10:55,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:10:55,416 INFO L142 QuantifierPusher]: treesize reduction 12, result has 80.3 percent of original size [2021-03-26 01:10:55,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:10:55,447 INFO L142 QuantifierPusher]: treesize reduction 44, result has 58.1 percent of original size [2021-03-26 01:10:55,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 01:10:55,486 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.7 percent of original size [2021-03-26 01:10:55,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 01:10:55,526 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.7 percent of original size [2021-03-26 01:10:55,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 01:10:55,565 INFO L142 QuantifierPusher]: treesize reduction 36, result has 56.6 percent of original size [2021-03-26 01:10:55,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 01:10:55,604 INFO L142 QuantifierPusher]: treesize reduction 36, result has 63.3 percent of original size [2021-03-26 01:10:55,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 01:10:55,648 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.5 percent of original size [2021-03-26 01:10:55,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:10:55,666 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.3 percent of original size [2021-03-26 01:10:55,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:10:55,696 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size [2021-03-26 01:10:55,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:10:55,696 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-26 01:10:55,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:55,717 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-26 01:10:55,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:55,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:55,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:55,767 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 01:10:55,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611223387] [2021-03-26 01:10:55,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:55,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 01:10:55,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769602261] [2021-03-26 01:10:55,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 01:10:55,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:55,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 01:10:55,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-03-26 01:10:55,769 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 360 [2021-03-26 01:10:55,770 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 88 transitions, 1047 flow. Second operand has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:55,770 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:55,770 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 360 [2021-03-26 01:10:55,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:56,523 INFO L129 PetriNetUnfolder]: 85/324 cut-off events. [2021-03-26 01:10:56,523 INFO L130 PetriNetUnfolder]: For 2042/2048 co-relation queries the response was YES. [2021-03-26 01:10:56,524 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1730 conditions, 324 events. 85/324 cut-off events. For 2042/2048 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2051 event pairs, 25 based on Foata normal form. 7/330 useless extension candidates. Maximal degree in co-relation 1681. Up to 159 conditions per place. [2021-03-26 01:10:56,524 INFO L132 encePairwiseOnDemand]: 346/360 looper letters, 71 selfloop transitions, 28 changer transitions 24/127 dead transitions. [2021-03-26 01:10:56,524 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 127 transitions, 1646 flow [2021-03-26 01:10:56,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:10:56,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:10:56,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1718 transitions. [2021-03-26 01:10:56,527 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3976851851851852 [2021-03-26 01:10:56,527 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1718 transitions. [2021-03-26 01:10:56,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1718 transitions. [2021-03-26 01:10:56,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:56,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1718 transitions. [2021-03-26 01:10:56,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.16666666666666) internal successors, (1718), 12 states have internal predecessors, (1718), 0 states have call successors, (0), 0 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 01:10:56,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 360.0) internal successors, (4680), 13 states have internal predecessors, (4680), 0 states have call successors, (0), 0 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 01:10:56,532 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 360.0) internal successors, (4680), 13 states have internal predecessors, (4680), 0 states have call successors, (0), 0 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 01:10:56,532 INFO L185 Difference]: Start difference. First operand has 96 places, 88 transitions, 1047 flow. Second operand 12 states and 1718 transitions. [2021-03-26 01:10:56,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 127 transitions, 1646 flow [2021-03-26 01:10:56,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 127 transitions, 1570 flow, removed 26 selfloop flow, removed 11 redundant places. [2021-03-26 01:10:56,538 INFO L241 Difference]: Finished difference. Result has 101 places, 92 transitions, 1109 flow [2021-03-26 01:10:56,539 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=985, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1109, PETRI_PLACES=101, PETRI_TRANSITIONS=92} [2021-03-26 01:10:56,539 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 35 predicate places. [2021-03-26 01:10:56,539 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:56,539 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 92 transitions, 1109 flow [2021-03-26 01:10:56,539 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 92 transitions, 1109 flow [2021-03-26 01:10:56,539 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 92 transitions, 1109 flow [2021-03-26 01:10:56,554 INFO L129 PetriNetUnfolder]: 37/202 cut-off events. [2021-03-26 01:10:56,554 INFO L130 PetriNetUnfolder]: For 1207/1211 co-relation queries the response was YES. [2021-03-26 01:10:56,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 978 conditions, 202 events. 37/202 cut-off events. For 1207/1211 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1183 event pairs, 5 based on Foata normal form. 4/202 useless extension candidates. Maximal degree in co-relation 917. Up to 44 conditions per place. [2021-03-26 01:10:56,555 INFO L142 LiptonReduction]: Number of co-enabled transitions 54 [2021-03-26 01:10:56,710 INFO L154 LiptonReduction]: Checked pairs total: 260 [2021-03-26 01:10:56,711 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 01:10:56,711 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 172 [2021-03-26 01:10:56,711 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 92 transitions, 1117 flow [2021-03-26 01:10:56,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:56,711 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:56,712 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:56,712 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-03-26 01:10:56,712 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:56,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:56,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1951556453, now seen corresponding path program 3 times [2021-03-26 01:10:56,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:56,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037805041] [2021-03-26 01:10:56,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:56,749 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-26 01:10:56,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:56,758 INFO L142 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-03-26 01:10:56,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:56,771 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.3 percent of original size [2021-03-26 01:10:56,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:56,784 INFO L142 QuantifierPusher]: treesize reduction 9, result has 80.0 percent of original size [2021-03-26 01:10:56,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 01:10:56,801 INFO L142 QuantifierPusher]: treesize reduction 9, result has 73.5 percent of original size [2021-03-26 01:10:56,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:10:56,816 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-03-26 01:10:56,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 01:10:56,835 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-26 01:10:56,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:56,852 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-26 01:10:56,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:56,868 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-26 01:10:56,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:56,885 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-26 01:10:56,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:56,903 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-26 01:10:56,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:56,904 INFO L142 QuantifierPusher]: treesize reduction 31, result has 44.6 percent of original size [2021-03-26 01:10:56,905 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-03-26 01:10:56,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:56,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:56,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:10:56,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037805041] [2021-03-26 01:10:56,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:56,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 01:10:56,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037608958] [2021-03-26 01:10:56,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 01:10:56,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:56,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 01:10:56,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-26 01:10:56,949 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 362 [2021-03-26 01:10:56,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 92 transitions, 1117 flow. Second operand has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:56,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:56,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 362 [2021-03-26 01:10:56,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:57,648 INFO L129 PetriNetUnfolder]: 70/293 cut-off events. [2021-03-26 01:10:57,648 INFO L130 PetriNetUnfolder]: For 1983/1989 co-relation queries the response was YES. [2021-03-26 01:10:57,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1598 conditions, 293 events. 70/293 cut-off events. For 1983/1989 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1815 event pairs, 6 based on Foata normal form. 7/299 useless extension candidates. Maximal degree in co-relation 1530. Up to 125 conditions per place. [2021-03-26 01:10:57,649 INFO L132 encePairwiseOnDemand]: 345/362 looper letters, 57 selfloop transitions, 36 changer transitions 20/117 dead transitions. [2021-03-26 01:10:57,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 117 transitions, 1551 flow [2021-03-26 01:10:57,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:10:57,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:10:57,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1716 transitions. [2021-03-26 01:10:57,659 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39502762430939226 [2021-03-26 01:10:57,659 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1716 transitions. [2021-03-26 01:10:57,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1716 transitions. [2021-03-26 01:10:57,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:57,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1716 transitions. [2021-03-26 01:10:57,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.0) internal successors, (1716), 12 states have internal predecessors, (1716), 0 states have call successors, (0), 0 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 01:10:57,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 362.0) internal successors, (4706), 13 states have internal predecessors, (4706), 0 states have call successors, (0), 0 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 01:10:57,663 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 362.0) internal successors, (4706), 13 states have internal predecessors, (4706), 0 states have call successors, (0), 0 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 01:10:57,663 INFO L185 Difference]: Start difference. First operand has 98 places, 92 transitions, 1117 flow. Second operand 12 states and 1716 transitions. [2021-03-26 01:10:57,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 117 transitions, 1551 flow [2021-03-26 01:10:57,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 117 transitions, 1411 flow, removed 28 selfloop flow, removed 12 redundant places. [2021-03-26 01:10:57,669 INFO L241 Difference]: Finished difference. Result has 100 places, 91 transitions, 1082 flow [2021-03-26 01:10:57,669 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=991, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1082, PETRI_PLACES=100, PETRI_TRANSITIONS=91} [2021-03-26 01:10:57,669 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 34 predicate places. [2021-03-26 01:10:57,669 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:57,669 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 91 transitions, 1082 flow [2021-03-26 01:10:57,669 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 91 transitions, 1082 flow [2021-03-26 01:10:57,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 91 transitions, 1082 flow [2021-03-26 01:10:57,683 INFO L129 PetriNetUnfolder]: 28/181 cut-off events. [2021-03-26 01:10:57,683 INFO L130 PetriNetUnfolder]: For 1072/1074 co-relation queries the response was YES. [2021-03-26 01:10:57,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 885 conditions, 181 events. 28/181 cut-off events. For 1072/1074 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1037 event pairs, 3 based on Foata normal form. 2/181 useless extension candidates. Maximal degree in co-relation 821. Up to 42 conditions per place. [2021-03-26 01:10:57,684 INFO L142 LiptonReduction]: Number of co-enabled transitions 46 [2021-03-26 01:10:57,717 INFO L154 LiptonReduction]: Checked pairs total: 98 [2021-03-26 01:10:57,717 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:57,717 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-03-26 01:10:57,718 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 91 transitions, 1082 flow [2021-03-26 01:10:57,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:10:57,718 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:57,718 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:57,718 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-03-26 01:10:57,718 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:57,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:57,719 INFO L82 PathProgramCache]: Analyzing trace with hash 192603496, now seen corresponding path program 1 times [2021-03-26 01:10:57,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:57,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903969065] [2021-03-26 01:10:57,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:57,753 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-26 01:10:57,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:57,761 INFO L142 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-03-26 01:10:57,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:57,773 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.3 percent of original size [2021-03-26 01:10:57,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:57,785 INFO L142 QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size [2021-03-26 01:10:57,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:57,800 INFO L142 QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size [2021-03-26 01:10:57,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:57,817 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-03-26 01:10:57,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 01:10:57,835 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-26 01:10:57,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:57,852 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-26 01:10:57,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:57,869 INFO L142 QuantifierPusher]: treesize reduction 31, result has 45.6 percent of original size [2021-03-26 01:10:57,870 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-26 01:10:57,896 INFO L142 QuantifierPusher]: treesize reduction 31, result has 44.6 percent of original size [2021-03-26 01:10:57,897 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-03-26 01:10:57,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:57,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:57,939 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 01:10:57,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903969065] [2021-03-26 01:10:57,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:57,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 01:10:57,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960872944] [2021-03-26 01:10:57,940 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 01:10:57,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:57,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 01:10:57,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-26 01:10:57,941 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 362 [2021-03-26 01:10:57,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 91 transitions, 1082 flow. Second operand has 13 states, 13 states have (on average 141.07692307692307) internal successors, (1834), 13 states have internal predecessors, (1834), 0 states have call successors, (0), 0 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 01:10:57,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:57,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 362 [2021-03-26 01:10:57,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:58,497 INFO L129 PetriNetUnfolder]: 57/257 cut-off events. [2021-03-26 01:10:58,498 INFO L130 PetriNetUnfolder]: For 1714/1722 co-relation queries the response was YES. [2021-03-26 01:10:58,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1404 conditions, 257 events. 57/257 cut-off events. For 1714/1722 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1530 event pairs, 11 based on Foata normal form. 4/261 useless extension candidates. Maximal degree in co-relation 1333. Up to 163 conditions per place. [2021-03-26 01:10:58,499 INFO L132 encePairwiseOnDemand]: 347/362 looper letters, 67 selfloop transitions, 29 changer transitions 13/113 dead transitions. [2021-03-26 01:10:58,499 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 113 transitions, 1508 flow [2021-03-26 01:10:58,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:10:58,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:10:58,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1725 transitions. [2021-03-26 01:10:58,500 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39709944751381215 [2021-03-26 01:10:58,500 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1725 transitions. [2021-03-26 01:10:58,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1725 transitions. [2021-03-26 01:10:58,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:58,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1725 transitions. [2021-03-26 01:10:58,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.75) internal successors, (1725), 12 states have internal predecessors, (1725), 0 states have call successors, (0), 0 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 01:10:58,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 362.0) internal successors, (4706), 13 states have internal predecessors, (4706), 0 states have call successors, (0), 0 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 01:10:58,504 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 362.0) internal successors, (4706), 13 states have internal predecessors, (4706), 0 states have call successors, (0), 0 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 01:10:58,504 INFO L185 Difference]: Start difference. First operand has 98 places, 91 transitions, 1082 flow. Second operand 12 states and 1725 transitions. [2021-03-26 01:10:58,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 113 transitions, 1508 flow [2021-03-26 01:10:58,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 113 transitions, 1392 flow, removed 15 selfloop flow, removed 11 redundant places. [2021-03-26 01:10:58,510 INFO L241 Difference]: Finished difference. Result has 103 places, 97 transitions, 1129 flow [2021-03-26 01:10:58,510 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=976, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1129, PETRI_PLACES=103, PETRI_TRANSITIONS=97} [2021-03-26 01:10:58,510 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 37 predicate places. [2021-03-26 01:10:58,510 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:58,510 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 97 transitions, 1129 flow [2021-03-26 01:10:58,510 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 97 transitions, 1129 flow [2021-03-26 01:10:58,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 97 transitions, 1129 flow [2021-03-26 01:10:58,525 INFO L129 PetriNetUnfolder]: 32/196 cut-off events. [2021-03-26 01:10:58,525 INFO L130 PetriNetUnfolder]: For 1138/1142 co-relation queries the response was YES. [2021-03-26 01:10:58,526 INFO L84 FinitePrefix]: Finished finitePrefix Result has 968 conditions, 196 events. 32/196 cut-off events. For 1138/1142 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1149 event pairs, 1 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 918. Up to 41 conditions per place. [2021-03-26 01:10:58,526 INFO L142 LiptonReduction]: Number of co-enabled transitions 44 [2021-03-26 01:10:58,709 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 01:10:58,709 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 01:10:58,709 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 199 [2021-03-26 01:10:58,710 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 97 transitions, 1147 flow [2021-03-26 01:10:58,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 141.07692307692307) internal successors, (1834), 13 states have internal predecessors, (1834), 0 states have call successors, (0), 0 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 01:10:58,710 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:58,710 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:58,710 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-03-26 01:10:58,710 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:58,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:58,710 INFO L82 PathProgramCache]: Analyzing trace with hash -2132185160, now seen corresponding path program 2 times [2021-03-26 01:10:58,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:58,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856607646] [2021-03-26 01:10:58,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:58,744 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-26 01:10:58,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:58,753 INFO L142 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-03-26 01:10:58,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:10:58,766 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.3 percent of original size [2021-03-26 01:10:58,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:58,778 INFO L142 QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size [2021-03-26 01:10:58,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:58,791 INFO L142 QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size [2021-03-26 01:10:58,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:58,805 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-03-26 01:10:58,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 01:10:58,823 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-26 01:10:58,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:58,839 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-26 01:10:58,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:10:58,855 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-26 01:10:58,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:10:58,872 INFO L142 QuantifierPusher]: treesize reduction 31, result has 44.6 percent of original size [2021-03-26 01:10:58,873 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-03-26 01:10:58,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:58,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:58,912 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 01:10:58,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856607646] [2021-03-26 01:10:58,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:58,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 01:10:58,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860336910] [2021-03-26 01:10:58,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 01:10:58,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:58,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 01:10:58,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-26 01:10:58,915 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 365 [2021-03-26 01:10:58,915 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 97 transitions, 1147 flow. Second operand has 13 states, 13 states have (on average 141.07692307692307) internal successors, (1834), 13 states have internal predecessors, (1834), 0 states have call successors, (0), 0 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 01:10:58,915 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:58,915 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 365 [2021-03-26 01:10:58,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:59,503 INFO L129 PetriNetUnfolder]: 50/242 cut-off events. [2021-03-26 01:10:59,503 INFO L130 PetriNetUnfolder]: For 1624/1626 co-relation queries the response was YES. [2021-03-26 01:10:59,504 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1351 conditions, 242 events. 50/242 cut-off events. For 1624/1626 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1469 event pairs, 7 based on Foata normal form. 6/248 useless extension candidates. Maximal degree in co-relation 1297. Up to 108 conditions per place. [2021-03-26 01:10:59,504 INFO L132 encePairwiseOnDemand]: 349/365 looper letters, 52 selfloop transitions, 16 changer transitions 32/104 dead transitions. [2021-03-26 01:10:59,504 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 104 transitions, 1380 flow [2021-03-26 01:10:59,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 01:10:59,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 01:10:59,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1583 transitions. [2021-03-26 01:10:59,506 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39427148194271483 [2021-03-26 01:10:59,506 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1583 transitions. [2021-03-26 01:10:59,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1583 transitions. [2021-03-26 01:10:59,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:59,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1583 transitions. [2021-03-26 01:10:59,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 143.9090909090909) internal successors, (1583), 11 states have internal predecessors, (1583), 0 states have call successors, (0), 0 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 01:10:59,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 365.0) internal successors, (4380), 12 states have internal predecessors, (4380), 0 states have call successors, (0), 0 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 01:10:59,509 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 365.0) internal successors, (4380), 12 states have internal predecessors, (4380), 0 states have call successors, (0), 0 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 01:10:59,509 INFO L185 Difference]: Start difference. First operand has 101 places, 97 transitions, 1147 flow. Second operand 11 states and 1583 transitions. [2021-03-26 01:10:59,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 104 transitions, 1380 flow [2021-03-26 01:10:59,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 104 transitions, 1272 flow, removed 26 selfloop flow, removed 9 redundant places. [2021-03-26 01:10:59,515 INFO L241 Difference]: Finished difference. Result has 104 places, 71 transitions, 775 flow [2021-03-26 01:10:59,515 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=1011, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=775, PETRI_PLACES=104, PETRI_TRANSITIONS=71} [2021-03-26 01:10:59,515 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 38 predicate places. [2021-03-26 01:10:59,515 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:59,515 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 71 transitions, 775 flow [2021-03-26 01:10:59,515 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 71 transitions, 775 flow [2021-03-26 01:10:59,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 71 transitions, 775 flow [2021-03-26 01:10:59,525 INFO L129 PetriNetUnfolder]: 16/130 cut-off events. [2021-03-26 01:10:59,525 INFO L130 PetriNetUnfolder]: For 690/690 co-relation queries the response was YES. [2021-03-26 01:10:59,526 INFO L84 FinitePrefix]: Finished finitePrefix Result has 612 conditions, 130 events. 16/130 cut-off events. For 690/690 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 640 event pairs, 1 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 568. Up to 24 conditions per place. [2021-03-26 01:10:59,526 INFO L142 LiptonReduction]: Number of co-enabled transitions 28 [2021-03-26 01:10:59,535 INFO L154 LiptonReduction]: Checked pairs total: 24 [2021-03-26 01:10:59,535 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:10:59,535 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-03-26 01:10:59,536 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 71 transitions, 775 flow [2021-03-26 01:10:59,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 141.07692307692307) internal successors, (1834), 13 states have internal predecessors, (1834), 0 states have call successors, (0), 0 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 01:10:59,536 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:59,536 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:59,536 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-03-26 01:10:59,536 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:59,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:59,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1035573651, now seen corresponding path program 1 times [2021-03-26 01:10:59,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:59,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132162191] [2021-03-26 01:10:59,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:59,571 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.6 percent of original size [2021-03-26 01:10:59,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 01:10:59,589 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.5 percent of original size [2021-03-26 01:10:59,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 01:10:59,616 INFO L142 QuantifierPusher]: treesize reduction 9, result has 85.9 percent of original size [2021-03-26 01:10:59,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 01:10:59,642 INFO L142 QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size [2021-03-26 01:10:59,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:59,656 INFO L142 QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size [2021-03-26 01:10:59,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:10:59,672 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-03-26 01:10:59,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 01:10:59,691 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-26 01:10:59,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:10:59,708 INFO L142 QuantifierPusher]: treesize reduction 64, result has 39.0 percent of original size [2021-03-26 01:10:59,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:10:59,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:59,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 01:10:59,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:59,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:59,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:59,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:10:59,762 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 01:10:59,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132162191] [2021-03-26 01:10:59,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:59,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:10:59,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083151619] [2021-03-26 01:10:59,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:10:59,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:59,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:10:59,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:10:59,764 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 365 [2021-03-26 01:10:59,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 71 transitions, 775 flow. Second operand has 12 states, 12 states have (on average 142.08333333333334) internal successors, (1705), 12 states have internal predecessors, (1705), 0 states have call successors, (0), 0 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 01:10:59,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:59,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 365 [2021-03-26 01:10:59,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:11:00,163 INFO L129 PetriNetUnfolder]: 26/162 cut-off events. [2021-03-26 01:11:00,163 INFO L130 PetriNetUnfolder]: For 1010/1012 co-relation queries the response was YES. [2021-03-26 01:11:00,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 880 conditions, 162 events. 26/162 cut-off events. For 1010/1012 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 847 event pairs, 10 based on Foata normal form. 2/164 useless extension candidates. Maximal degree in co-relation 832. Up to 106 conditions per place. [2021-03-26 01:11:00,164 INFO L132 encePairwiseOnDemand]: 353/365 looper letters, 51 selfloop transitions, 10 changer transitions 12/77 dead transitions. [2021-03-26 01:11:00,164 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 77 transitions, 975 flow [2021-03-26 01:11:00,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 01:11:00,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 01:11:00,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1443 transitions. [2021-03-26 01:11:00,165 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39534246575342463 [2021-03-26 01:11:00,165 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1443 transitions. [2021-03-26 01:11:00,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1443 transitions. [2021-03-26 01:11:00,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:11:00,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1443 transitions. [2021-03-26 01:11:00,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 144.3) internal successors, (1443), 10 states have internal predecessors, (1443), 0 states have call successors, (0), 0 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 01:11:00,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 365.0) internal successors, (4015), 11 states have internal predecessors, (4015), 0 states have call successors, (0), 0 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 01:11:00,168 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 365.0) internal successors, (4015), 11 states have internal predecessors, (4015), 0 states have call successors, (0), 0 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 01:11:00,168 INFO L185 Difference]: Start difference. First operand has 95 places, 71 transitions, 775 flow. Second operand 10 states and 1443 transitions. [2021-03-26 01:11:00,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 77 transitions, 975 flow [2021-03-26 01:11:00,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 77 transitions, 843 flow, removed 11 selfloop flow, removed 16 redundant places. [2021-03-26 01:11:00,171 INFO L241 Difference]: Finished difference. Result has 90 places, 65 transitions, 604 flow [2021-03-26 01:11:00,172 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=604, PETRI_PLACES=90, PETRI_TRANSITIONS=65} [2021-03-26 01:11:00,172 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 24 predicate places. [2021-03-26 01:11:00,172 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:11:00,172 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 65 transitions, 604 flow [2021-03-26 01:11:00,172 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 65 transitions, 604 flow [2021-03-26 01:11:00,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 65 transitions, 604 flow [2021-03-26 01:11:00,181 INFO L129 PetriNetUnfolder]: 14/121 cut-off events. [2021-03-26 01:11:00,181 INFO L130 PetriNetUnfolder]: For 418/418 co-relation queries the response was YES. [2021-03-26 01:11:00,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 495 conditions, 121 events. 14/121 cut-off events. For 418/418 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 570 event pairs, 1 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 462. Up to 21 conditions per place. [2021-03-26 01:11:00,181 INFO L142 LiptonReduction]: Number of co-enabled transitions 28 [2021-03-26 01:11:00,197 INFO L154 LiptonReduction]: Checked pairs total: 44 [2021-03-26 01:11:00,198 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:11:00,198 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-03-26 01:11:00,198 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 65 transitions, 604 flow [2021-03-26 01:11:00,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 142.08333333333334) internal successors, (1705), 12 states have internal predecessors, (1705), 0 states have call successors, (0), 0 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 01:11:00,198 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:11:00,198 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:11:00,198 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-03-26 01:11:00,199 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:11:00,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:11:00,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1750469581, now seen corresponding path program 4 times [2021-03-26 01:11:00,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:11:00,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501710624] [2021-03-26 01:11:00,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:11:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:11:00,234 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-26 01:11:00,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:11:00,243 INFO L142 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size [2021-03-26 01:11:00,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:11:00,255 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.3 percent of original size [2021-03-26 01:11:00,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 01:11:00,267 INFO L142 QuantifierPusher]: treesize reduction 9, result has 80.0 percent of original size [2021-03-26 01:11:00,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 01:11:00,291 INFO L142 QuantifierPusher]: treesize reduction 9, result has 73.5 percent of original size [2021-03-26 01:11:00,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:11:00,307 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-03-26 01:11:00,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 01:11:00,325 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-26 01:11:00,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:11:00,341 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-26 01:11:00,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:11:00,357 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-26 01:11:00,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:11:00,374 INFO L142 QuantifierPusher]: treesize reduction 31, result has 45.6 percent of original size [2021-03-26 01:11:00,375 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-26 01:11:00,401 INFO L142 QuantifierPusher]: treesize reduction 31, result has 44.6 percent of original size [2021-03-26 01:11:00,401 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-03-26 01:11:00,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:00,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:11:00,444 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 01:11:00,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501710624] [2021-03-26 01:11:00,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:11:00,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 01:11:00,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374459128] [2021-03-26 01:11:00,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 01:11:00,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:11:00,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 01:11:00,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-26 01:11:00,446 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 365 [2021-03-26 01:11:00,446 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 65 transitions, 604 flow. Second operand has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:11:00,446 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:11:00,446 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 365 [2021-03-26 01:11:00,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:11:01,025 INFO L129 PetriNetUnfolder]: 23/151 cut-off events. [2021-03-26 01:11:01,025 INFO L130 PetriNetUnfolder]: For 665/667 co-relation queries the response was YES. [2021-03-26 01:11:01,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 723 conditions, 151 events. 23/151 cut-off events. For 665/667 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 775 event pairs, 5 based on Foata normal form. 3/154 useless extension candidates. Maximal degree in co-relation 687. Up to 69 conditions per place. [2021-03-26 01:11:01,025 INFO L132 encePairwiseOnDemand]: 351/365 looper letters, 35 selfloop transitions, 23 changer transitions 14/76 dead transitions. [2021-03-26 01:11:01,026 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 76 transitions, 839 flow [2021-03-26 01:11:01,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:11:01,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:11:01,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1704 transitions. [2021-03-26 01:11:01,027 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38904109589041097 [2021-03-26 01:11:01,027 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1704 transitions. [2021-03-26 01:11:01,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1704 transitions. [2021-03-26 01:11:01,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:11:01,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1704 transitions. [2021-03-26 01:11:01,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 142.0) internal successors, (1704), 12 states have internal predecessors, (1704), 0 states have call successors, (0), 0 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 01:11:01,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 365.0) internal successors, (4745), 13 states have internal predecessors, (4745), 0 states have call successors, (0), 0 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 01:11:01,030 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 365.0) internal successors, (4745), 13 states have internal predecessors, (4745), 0 states have call successors, (0), 0 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 01:11:01,030 INFO L185 Difference]: Start difference. First operand has 84 places, 65 transitions, 604 flow. Second operand 12 states and 1704 transitions. [2021-03-26 01:11:01,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 76 transitions, 839 flow [2021-03-26 01:11:01,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 76 transitions, 797 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-03-26 01:11:01,033 INFO L241 Difference]: Finished difference. Result has 89 places, 60 transitions, 567 flow [2021-03-26 01:11:01,033 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=567, PETRI_PLACES=89, PETRI_TRANSITIONS=60} [2021-03-26 01:11:01,033 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 23 predicate places. [2021-03-26 01:11:01,034 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:11:01,034 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 60 transitions, 567 flow [2021-03-26 01:11:01,034 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 60 transitions, 567 flow [2021-03-26 01:11:01,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 60 transitions, 567 flow [2021-03-26 01:11:01,041 INFO L129 PetriNetUnfolder]: 11/100 cut-off events. [2021-03-26 01:11:01,041 INFO L130 PetriNetUnfolder]: For 362/362 co-relation queries the response was YES. [2021-03-26 01:11:01,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 100 events. 11/100 cut-off events. For 362/362 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 417 event pairs, 1 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 392. Up to 17 conditions per place. [2021-03-26 01:11:01,042 INFO L142 LiptonReduction]: Number of co-enabled transitions 18 [2021-03-26 01:11:01,295 INFO L154 LiptonReduction]: Checked pairs total: 16 [2021-03-26 01:11:01,295 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 01:11:01,295 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 261 [2021-03-26 01:11:01,296 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 59 transitions, 568 flow [2021-03-26 01:11:01,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:11:01,296 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:11:01,296 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:11:01,296 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-03-26 01:11:01,296 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:11:01,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:11:01,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1492930601, now seen corresponding path program 2 times [2021-03-26 01:11:01,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:11:01,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815792596] [2021-03-26 01:11:01,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:11:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:11:01,336 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size [2021-03-26 01:11:01,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:11:01,360 INFO L142 QuantifierPusher]: treesize reduction 12, result has 80.3 percent of original size [2021-03-26 01:11:01,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 01:11:01,395 INFO L142 QuantifierPusher]: treesize reduction 44, result has 58.1 percent of original size [2021-03-26 01:11:01,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 01:11:01,437 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.7 percent of original size [2021-03-26 01:11:01,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 01:11:01,480 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.7 percent of original size [2021-03-26 01:11:01,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 01:11:01,523 INFO L142 QuantifierPusher]: treesize reduction 36, result has 56.6 percent of original size [2021-03-26 01:11:01,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 01:11:01,563 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.7 percent of original size [2021-03-26 01:11:01,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 01:11:01,609 INFO L142 QuantifierPusher]: treesize reduction 36, result has 67.3 percent of original size [2021-03-26 01:11:01,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 01:11:01,660 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.3 percent of original size [2021-03-26 01:11:01,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:11:01,690 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size [2021-03-26 01:11:01,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:11:01,691 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-26 01:11:01,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:11:01,711 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-26 01:11:01,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 01:11:01,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:01,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:11:01,760 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 01:11:01,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815792596] [2021-03-26 01:11:01,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:11:01,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 01:11:01,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127896020] [2021-03-26 01:11:01,760 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 01:11:01,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:11:01,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 01:11:01,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-03-26 01:11:01,762 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 367 [2021-03-26 01:11:01,762 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 59 transitions, 568 flow. Second operand has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:11:01,762 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:11:01,762 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 367 [2021-03-26 01:11:01,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:11:02,417 INFO L129 PetriNetUnfolder]: 15/107 cut-off events. [2021-03-26 01:11:02,417 INFO L130 PetriNetUnfolder]: For 503/505 co-relation queries the response was YES. [2021-03-26 01:11:02,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 555 conditions, 107 events. 15/107 cut-off events. For 503/505 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 472 event pairs, 0 based on Foata normal form. 8/115 useless extension candidates. Maximal degree in co-relation 521. Up to 27 conditions per place. [2021-03-26 01:11:02,417 INFO L132 encePairwiseOnDemand]: 355/367 looper letters, 20 selfloop transitions, 6 changer transitions 31/61 dead transitions. [2021-03-26 01:11:02,417 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 61 transitions, 688 flow [2021-03-26 01:11:02,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:11:02,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:11:02,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1702 transitions. [2021-03-26 01:11:02,419 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38646684831970934 [2021-03-26 01:11:02,419 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1702 transitions. [2021-03-26 01:11:02,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1702 transitions. [2021-03-26 01:11:02,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:11:02,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1702 transitions. [2021-03-26 01:11:02,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 141.83333333333334) internal successors, (1702), 12 states have internal predecessors, (1702), 0 states have call successors, (0), 0 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 01:11:02,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 367.0) internal successors, (4771), 13 states have internal predecessors, (4771), 0 states have call successors, (0), 0 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 01:11:02,422 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 367.0) internal successors, (4771), 13 states have internal predecessors, (4771), 0 states have call successors, (0), 0 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 01:11:02,422 INFO L185 Difference]: Start difference. First operand has 85 places, 59 transitions, 568 flow. Second operand 12 states and 1702 transitions. [2021-03-26 01:11:02,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 61 transitions, 688 flow [2021-03-26 01:11:02,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 61 transitions, 600 flow, removed 13 selfloop flow, removed 13 redundant places. [2021-03-26 01:11:02,425 INFO L241 Difference]: Finished difference. Result has 83 places, 30 transitions, 240 flow [2021-03-26 01:11:02,425 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=240, PETRI_PLACES=83, PETRI_TRANSITIONS=30} [2021-03-26 01:11:02,425 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 17 predicate places. [2021-03-26 01:11:02,425 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:11:02,425 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 30 transitions, 240 flow [2021-03-26 01:11:02,425 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 30 transitions, 240 flow [2021-03-26 01:11:02,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 30 transitions, 240 flow [2021-03-26 01:11:02,429 INFO L129 PetriNetUnfolder]: 3/41 cut-off events. [2021-03-26 01:11:02,429 INFO L130 PetriNetUnfolder]: For 86/86 co-relation queries the response was YES. [2021-03-26 01:11:02,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 41 events. 3/41 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 139. Up to 8 conditions per place. [2021-03-26 01:11:02,429 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 01:11:02,616 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 01:11:02,616 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 01:11:02,617 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 192 [2021-03-26 01:11:02,617 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 29 transitions, 247 flow [2021-03-26 01:11:02,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 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 01:11:02,617 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:11:02,617 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:11:02,617 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-03-26 01:11:02,617 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:11:02,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:11:02,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1621286913, now seen corresponding path program 1 times [2021-03-26 01:11:02,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:11:02,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978667510] [2021-03-26 01:11:02,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:11:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:11:02,654 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.7 percent of original size [2021-03-26 01:11:02,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 01:11:02,686 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.4 percent of original size [2021-03-26 01:11:02,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-26 01:11:02,727 INFO L142 QuantifierPusher]: treesize reduction 9, result has 88.3 percent of original size [2021-03-26 01:11:02,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 01:11:02,767 INFO L142 QuantifierPusher]: treesize reduction 33, result has 63.7 percent of original size [2021-03-26 01:11:02,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 01:11:02,823 INFO L142 QuantifierPusher]: treesize reduction 33, result has 58.8 percent of original size [2021-03-26 01:11:02,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 01:11:02,863 INFO L142 QuantifierPusher]: treesize reduction 33, result has 65.3 percent of original size [2021-03-26 01:11:02,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 01:11:02,910 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.5 percent of original size [2021-03-26 01:11:02,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:11:02,929 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.5 percent of original size [2021-03-26 01:11:02,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:11:02,950 INFO L142 QuantifierPusher]: treesize reduction 33, result has 48.4 percent of original size [2021-03-26 01:11:02,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:11:02,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:02,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 01:11:03,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:03,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:11:03,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:03,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:11:03,017 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 01:11:03,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978667510] [2021-03-26 01:11:03,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:11:03,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 01:11:03,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416314702] [2021-03-26 01:11:03,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 01:11:03,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:11:03,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 01:11:03,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-26 01:11:03,019 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 370 [2021-03-26 01:11:03,020 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 29 transitions, 247 flow. Second operand has 13 states, 13 states have (on average 140.07692307692307) internal successors, (1821), 13 states have internal predecessors, (1821), 0 states have call successors, (0), 0 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 01:11:03,020 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:11:03,020 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 370 [2021-03-26 01:11:03,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:11:03,425 INFO L129 PetriNetUnfolder]: 3/34 cut-off events. [2021-03-26 01:11:03,425 INFO L130 PetriNetUnfolder]: For 118/118 co-relation queries the response was YES. [2021-03-26 01:11:03,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 34 events. 3/34 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 47 event pairs, 0 based on Foata normal form. 2/36 useless extension candidates. Maximal degree in co-relation 152. Up to 8 conditions per place. [2021-03-26 01:11:03,425 INFO L132 encePairwiseOnDemand]: 358/370 looper letters, 0 selfloop transitions, 0 changer transitions 27/27 dead transitions. [2021-03-26 01:11:03,425 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 27 transitions, 275 flow [2021-03-26 01:11:03,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 01:11:03,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 01:11:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1547 transitions. [2021-03-26 01:11:03,426 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3800982800982801 [2021-03-26 01:11:03,426 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1547 transitions. [2021-03-26 01:11:03,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1547 transitions. [2021-03-26 01:11:03,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:11:03,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1547 transitions. [2021-03-26 01:11:03,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 140.63636363636363) internal successors, (1547), 11 states have internal predecessors, (1547), 0 states have call successors, (0), 0 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 01:11:03,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 370.0) internal successors, (4440), 12 states have internal predecessors, (4440), 0 states have call successors, (0), 0 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 01:11:03,438 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 370.0) internal successors, (4440), 12 states have internal predecessors, (4440), 0 states have call successors, (0), 0 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 01:11:03,438 INFO L185 Difference]: Start difference. First operand has 58 places, 29 transitions, 247 flow. Second operand 11 states and 1547 transitions. [2021-03-26 01:11:03,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 27 transitions, 275 flow [2021-03-26 01:11:03,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 27 transitions, 210 flow, removed 7 selfloop flow, removed 16 redundant places. [2021-03-26 01:11:03,439 INFO L241 Difference]: Finished difference. Result has 51 places, 0 transitions, 0 flow [2021-03-26 01:11:03,439 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=51, PETRI_TRANSITIONS=0} [2021-03-26 01:11:03,439 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -15 predicate places. [2021-03-26 01:11:03,439 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:11:03,439 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 0 transitions, 0 flow [2021-03-26 01:11:03,439 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 0 transitions, 0 flow [2021-03-26 01:11:03,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 01:11:03,440 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 01:11:03,440 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 01:11:03,440 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 01:11:03,440 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 01:11:03,440 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 01:11:03,440 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:11:03,440 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-26 01:11:03,440 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 01:11:03,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 140.07692307692307) internal successors, (1821), 13 states have internal predecessors, (1821), 0 states have call successors, (0), 0 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 01:11:03,441 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-03-26 01:11:03,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 01:11:03 BasicIcfg [2021-03-26 01:11:03,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 01:11:03,443 INFO L168 Benchmark]: Toolchain (without parser) took 183677.31 ms. Allocated memory was 255.9 MB in the beginning and 589.3 MB in the end (delta: 333.4 MB). Free memory was 233.2 MB in the beginning and 549.3 MB in the end (delta: -316.1 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.0 GB. [2021-03-26 01:11:03,444 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.4 MB in the end (delta: 181.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 01:11:03,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.50 ms. Allocated memory was 255.9 MB in the beginning and 337.6 MB in the end (delta: 81.8 MB). Free memory was 233.2 MB in the beginning and 284.2 MB in the end (delta: -51.0 MB). Peak memory consumption was 55.7 MB. Max. memory is 16.0 GB. [2021-03-26 01:11:03,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.21 ms. Allocated memory is still 337.6 MB. Free memory was 284.2 MB in the beginning and 281.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 01:11:03,444 INFO L168 Benchmark]: Boogie Preprocessor took 39.69 ms. Allocated memory is still 337.6 MB. Free memory was 281.1 MB in the beginning and 279.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 01:11:03,444 INFO L168 Benchmark]: RCFGBuilder took 408.65 ms. Allocated memory is still 337.6 MB. Free memory was 279.0 MB in the beginning and 299.0 MB in the end (delta: -20.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2021-03-26 01:11:03,444 INFO L168 Benchmark]: TraceAbstraction took 182486.04 ms. Allocated memory was 337.6 MB in the beginning and 589.3 MB in the end (delta: 251.7 MB). Free memory was 298.0 MB in the beginning and 549.3 MB in the end (delta: -251.3 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.0 GB. [2021-03-26 01:11:03,444 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.4 MB in the end (delta: 181.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 687.50 ms. Allocated memory was 255.9 MB in the beginning and 337.6 MB in the end (delta: 81.8 MB). Free memory was 233.2 MB in the beginning and 284.2 MB in the end (delta: -51.0 MB). Peak memory consumption was 55.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 45.21 ms. Allocated memory is still 337.6 MB. Free memory was 284.2 MB in the beginning and 281.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 39.69 ms. Allocated memory is still 337.6 MB. Free memory was 281.1 MB in the beginning and 279.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 408.65 ms. Allocated memory is still 337.6 MB. Free memory was 279.0 MB in the beginning and 299.0 MB in the end (delta: -20.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 182486.04 ms. Allocated memory was 337.6 MB in the beginning and 589.3 MB in the end (delta: 251.7 MB). Free memory was 298.0 MB in the beginning and 549.3 MB in the end (delta: -251.3 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71898.0ms, 151 PlacesBefore, 66 PlacesAfterwards, 153 TransitionsBefore, 66 TransitionsAfterwards, 2492 CoEnabledTransitionPairs, 5 FixpointIterations, 62 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 113 TotalNumberOfCompositions, 3461 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1880, positive: 1794, positive conditional: 1794, positive unconditional: 0, negative: 86, negative conditional: 86, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1558, positive: 1512, positive conditional: 0, positive unconditional: 1512, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1558, positive: 1512, positive conditional: 0, positive unconditional: 1512, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1558, positive: 1506, positive conditional: 0, positive unconditional: 1506, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 52, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68399, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 832, negative conditional: 0, negative unconditional: 832, unknown: 67536, unknown conditional: 0, unknown unconditional: 67536] ], Cache Queries: [ total: 1880, positive: 282, positive conditional: 282, positive unconditional: 0, negative: 40, negative conditional: 40, negative unconditional: 0, unknown: 1558, unknown conditional: 1558, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 98, Positive cache size: 69, Positive conditional cache size: 69, Positive unconditional cache size: 0, Negative cache size: 29, Negative conditional cache size: 29, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28865.2ms, 63 PlacesBefore, 40 PlacesAfterwards, 62 TransitionsBefore, 41 TransitionsAfterwards, 452 CoEnabledTransitionPairs, 3 FixpointIterations, 19 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 26 TotalNumberOfCompositions, 1240 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 283, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 74, negative conditional: 74, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 166, positive: 146, positive conditional: 1, positive unconditional: 145, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 166, positive: 146, positive conditional: 1, positive unconditional: 145, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 166, positive: 143, positive conditional: 0, positive unconditional: 143, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , SemanticIndependenceRelation.Query Time [ms]: [ total: 26868, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 555, negative conditional: 0, negative unconditional: 555, unknown: 26285, unknown conditional: 0, unknown unconditional: 26285] ], Cache Queries: [ total: 283, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 166, unknown conditional: 166, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 55, Positive conditional cache size: 55, Positive unconditional cache size: 0, Negative cache size: 44, Negative conditional cache size: 44, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2226.2ms, 40 PlacesBefore, 35 PlacesAfterwards, 40 TransitionsBefore, 35 TransitionsAfterwards, 266 CoEnabledTransitionPairs, 3 FixpointIterations, 7 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 925 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 141, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 70, negative conditional: 70, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 141, positive: 70, positive conditional: 70, positive unconditional: 0, negative: 70, negative conditional: 70, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 56, Positive conditional cache size: 56, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18323.5ms, 36 PlacesBefore, 35 PlacesAfterwards, 39 TransitionsBefore, 38 TransitionsAfterwards, 292 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 418 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 80, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 14, positive conditional: 3, positive unconditional: 11, negative: 9, negative conditional: 7, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23, positive: 14, positive conditional: 3, positive unconditional: 11, negative: 9, negative conditional: 7, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 23, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 5, negative unconditional: 1, unknown: 3, unknown conditional: 2, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11844, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 277, negative conditional: 193, negative unconditional: 84, unknown: 11567, unknown conditional: 9440, unknown unconditional: 2127] ], Cache Queries: [ total: 80, positive: 38, positive conditional: 38, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 120, Positive cache size: 70, Positive conditional cache size: 70, Positive unconditional cache size: 0, Negative cache size: 50, Negative conditional cache size: 50, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 184.5ms, 37 PlacesBefore, 36 PlacesAfterwards, 43 TransitionsBefore, 42 TransitionsAfterwards, 312 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 641 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 191, positive: 159, positive conditional: 159, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, positive: 33, positive conditional: 10, positive unconditional: 23, negative: 6, negative conditional: 4, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39, positive: 33, positive conditional: 10, positive unconditional: 23, negative: 6, negative conditional: 4, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 4, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 22, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 191, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 129, Positive cache size: 83, Positive conditional cache size: 83, Positive unconditional cache size: 0, Negative cache size: 46, Negative conditional cache size: 46, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.6ms, 30 PlacesBefore, 29 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 140 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 64 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 137, Positive cache size: 90, Positive conditional cache size: 90, Positive unconditional cache size: 0, Negative cache size: 47, Negative conditional cache size: 47, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4636.9ms, 34 PlacesBefore, 34 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 136 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 83 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 8, positive conditional: 8, 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: 8, positive: 6, positive conditional: 2, positive unconditional: 4, 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: 8, positive: 6, positive conditional: 2, positive unconditional: 4, 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: 8, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4512, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 174, negative conditional: 0, negative unconditional: 174, unknown: 4338, unknown conditional: 0, unknown unconditional: 4338] ], Cache Queries: [ total: 15, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 25, Negative conditional cache size: 25, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 262.0ms, 40 PlacesBefore, 40 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 162 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 40, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 9, positive conditional: 4, positive unconditional: 5, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 9, positive conditional: 4, positive unconditional: 5, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 12, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 40, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 84, Positive conditional cache size: 84, Positive unconditional cache size: 0, Negative cache size: 22, Negative conditional cache size: 22, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.3ms, 48 PlacesBefore, 48 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 164 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 112 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 17, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 111, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 23, Negative conditional cache size: 23, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.6ms, 54 PlacesBefore, 54 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 118 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 25, Negative conditional cache size: 25, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.4ms, 71 PlacesBefore, 68 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 218 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 282 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 24, positive conditional: 24, 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: 9, positive: 6, positive conditional: 1, positive unconditional: 5, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 6, positive conditional: 1, positive unconditional: 5, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 122, Positive cache size: 94, Positive conditional cache size: 94, Positive unconditional cache size: 0, Negative cache size: 28, Negative conditional cache size: 28, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 105.9ms, 78 PlacesBefore, 78 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 226 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 964 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 72, positive: 28, positive conditional: 28, positive unconditional: 0, negative: 44, negative conditional: 44, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 27, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72, positive: 25, positive conditional: 25, positive unconditional: 0, negative: 40, negative conditional: 40, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 90, Positive conditional cache size: 90, Positive unconditional cache size: 0, Negative cache size: 17, Negative conditional cache size: 17, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 76.3ms, 98 PlacesBefore, 95 PlacesAfterwards, 124 TransitionsBefore, 124 TransitionsAfterwards, 268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 971 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 86, positive: 54, positive conditional: 54, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 86, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 114, Positive cache size: 94, Positive conditional cache size: 94, Positive unconditional cache size: 0, Negative cache size: 20, Negative conditional cache size: 20, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 146.4ms, 110 PlacesBefore, 107 PlacesAfterwards, 133 TransitionsBefore, 133 TransitionsAfterwards, 286 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2121 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 99, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 62, negative conditional: 62, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 51, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 51, negative conditional: 51, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 99, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 57, negative conditional: 57, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 117, Positive cache size: 97, Positive conditional cache size: 97, Positive unconditional cache size: 0, Negative cache size: 20, Negative conditional cache size: 20, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 140.9ms, 116 PlacesBefore, 115 PlacesAfterwards, 155 TransitionsBefore, 154 TransitionsAfterwards, 300 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 822 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 40, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 26, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 40, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 63, Positive conditional cache size: 63, Positive unconditional cache size: 0, Negative cache size: 12, Negative conditional cache size: 12, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 137.3ms, 120 PlacesBefore, 120 PlacesAfterwards, 180 TransitionsBefore, 180 TransitionsAfterwards, 346 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 631 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 77, Positive cache size: 63, Positive conditional cache size: 63, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 196.8ms, 122 PlacesBefore, 122 PlacesAfterwards, 150 TransitionsBefore, 150 TransitionsAfterwards, 294 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 672 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 82, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 15, Negative conditional cache size: 15, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 223.7ms, 127 PlacesBefore, 126 PlacesAfterwards, 163 TransitionsBefore, 162 TransitionsAfterwards, 318 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 854 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 41, Positive conditional cache size: 41, Positive unconditional cache size: 0, Negative cache size: 16, Negative conditional cache size: 16, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 632.5ms, 103 PlacesBefore, 98 PlacesAfterwards, 87 TransitionsBefore, 85 TransitionsAfterwards, 114 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 338 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 118, positive: 84, positive conditional: 84, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 14, positive conditional: 12, positive unconditional: 2, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18, positive: 14, positive conditional: 12, positive unconditional: 2, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 25, negative conditional: 21, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 118, positive: 70, positive conditional: 70, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 41, Positive conditional cache size: 41, Positive unconditional cache size: 0, Negative cache size: 8, Negative conditional cache size: 8, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 568.9ms, 98 PlacesBefore, 95 PlacesAfterwards, 82 TransitionsBefore, 80 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 336 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 155, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 45, negative conditional: 45, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 18, negative conditional: 14, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 155, positive: 98, positive conditional: 98, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 41, Positive conditional cache size: 41, 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: 312.4ms, 104 PlacesBefore, 104 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 102 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 246 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 92, positive: 70, positive conditional: 70, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 92, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 48, Positive conditional cache size: 48, 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: 82.2ms, 115 PlacesBefore, 114 PlacesAfterwards, 125 TransitionsBefore, 124 TransitionsAfterwards, 106 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 394 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 34, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 34, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 32, Positive conditional cache size: 32, 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: 31.7ms, 121 PlacesBefore, 119 PlacesAfterwards, 125 TransitionsBefore, 125 TransitionsAfterwards, 92 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 182 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 34, Positive conditional cache size: 34, 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: 396.0ms, 123 PlacesBefore, 114 PlacesAfterwards, 119 TransitionsBefore, 117 TransitionsAfterwards, 84 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 546 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 84, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 42, negative conditional: 42, 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: 84, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 17, Positive conditional cache size: 17, 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: 26.8ms, 110 PlacesBefore, 104 PlacesAfterwards, 112 TransitionsBefore, 112 TransitionsAfterwards, 84 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 195 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 0, positive conditional: 0, 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: 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: 15, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 17, Positive conditional cache size: 17, 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: 383.1ms, 116 PlacesBefore, 116 PlacesAfterwards, 142 TransitionsBefore, 142 TransitionsAfterwards, 98 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 25, Positive cache size: 18, Positive conditional cache size: 18, 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: 36.4ms, 129 PlacesBefore, 129 PlacesAfterwards, 155 TransitionsBefore, 155 TransitionsAfterwards, 110 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): 25, Positive cache size: 18, Positive conditional cache size: 18, 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: 40.8ms, 137 PlacesBefore, 137 PlacesAfterwards, 170 TransitionsBefore, 170 TransitionsAfterwards, 122 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): 25, Positive cache size: 18, Positive conditional cache size: 18, 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: 45.1ms, 147 PlacesBefore, 147 PlacesAfterwards, 176 TransitionsBefore, 176 TransitionsAfterwards, 120 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): 25, Positive cache size: 18, Positive conditional cache size: 18, 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: 46.5ms, 154 PlacesBefore, 151 PlacesAfterwards, 173 TransitionsBefore, 173 TransitionsAfterwards, 114 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): 25, Positive cache size: 18, Positive conditional cache size: 18, 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: 100.4ms, 151 PlacesBefore, 147 PlacesAfterwards, 160 TransitionsBefore, 160 TransitionsAfterwards, 112 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 19, Positive conditional cache size: 19, 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: 45.2ms, 152 PlacesBefore, 151 PlacesAfterwards, 162 TransitionsBefore, 162 TransitionsAfterwards, 114 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): 26, Positive cache size: 19, Positive conditional cache size: 19, 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: 40.6ms, 157 PlacesBefore, 153 PlacesAfterwards, 152 TransitionsBefore, 152 TransitionsAfterwards, 104 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): 26, Positive cache size: 19, Positive conditional cache size: 19, 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: 42.3ms, 155 PlacesBefore, 152 PlacesAfterwards, 157 TransitionsBefore, 157 TransitionsAfterwards, 110 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): 26, Positive cache size: 19, Positive conditional cache size: 19, 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: 57.3ms, 150 PlacesBefore, 128 PlacesAfterwards, 124 TransitionsBefore, 124 TransitionsAfterwards, 90 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 210 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 21, Positive conditional cache size: 21, 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: 46.6ms, 129 PlacesBefore, 124 PlacesAfterwards, 119 TransitionsBefore, 119 TransitionsAfterwards, 86 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 224 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 16, positive conditional: 16, 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: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 23, Positive conditional cache size: 23, Positive unconditional cache size: 0, Negative cache size: 11, Negative conditional cache size: 11, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.8ms, 125 PlacesBefore, 123 PlacesAfterwards, 117 TransitionsBefore, 117 TransitionsAfterwards, 80 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 176 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 16, positive conditional: 16, 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: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 13, Negative conditional cache size: 13, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 535.1ms, 127 PlacesBefore, 121 PlacesAfterwards, 114 TransitionsBefore, 112 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 264 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 48, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 48, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 10, Positive conditional cache size: 10, Positive unconditional cache size: 0, Negative cache size: 3, Negative conditional cache size: 3, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.2ms, 122 PlacesBefore, 113 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 66 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 117 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 26, positive conditional: 26, 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: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 39, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 19, Positive cache size: 14, Positive conditional cache size: 14, Positive unconditional cache size: 0, Negative cache size: 5, Negative conditional cache size: 5, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.1ms, 113 PlacesBefore, 103 PlacesAfterwards, 98 TransitionsBefore, 98 TransitionsAfterwards, 66 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 126 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 23, Positive cache size: 16, Positive conditional cache size: 16, 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: 243.9ms, 111 PlacesBefore, 108 PlacesAfterwards, 110 TransitionsBefore, 110 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 374 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 68, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 18, Positive conditional cache size: 18, 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: 621.1ms, 118 PlacesBefore, 111 PlacesAfterwards, 106 TransitionsBefore, 105 TransitionsAfterwards, 72 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 450 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 90, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 45, negative conditional: 45, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 90, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 43, negative conditional: 43, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 20, Positive conditional cache size: 20, Positive unconditional cache size: 0, Negative cache size: 11, Negative conditional cache size: 11, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.7ms, 113 PlacesBefore, 111 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 144 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 16, positive conditional: 16, 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: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 35, Positive cache size: 22, Positive conditional cache size: 22, Positive unconditional cache size: 0, Negative cache size: 13, Negative conditional cache size: 13, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 520.9ms, 116 PlacesBefore, 110 PlacesAfterwards, 100 TransitionsBefore, 98 TransitionsAfterwards, 64 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 207 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 46, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 46, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 10, Positive conditional cache size: 10, Positive unconditional cache size: 0, Negative cache size: 3, Negative conditional cache size: 3, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.8ms, 108 PlacesBefore, 103 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 64 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 144 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 16, positive conditional: 16, 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: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 17, Positive cache size: 12, Positive conditional cache size: 12, Positive unconditional cache size: 0, Negative cache size: 5, Negative conditional cache size: 5, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.9ms, 107 PlacesBefore, 97 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 56 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 72 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 14, Positive conditional cache size: 14, 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: 37.2ms, 98 PlacesBefore, 95 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 110 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 23, Positive cache size: 14, Positive conditional cache size: 14, 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: 32.6ms, 103 PlacesBefore, 95 PlacesAfterwards, 92 TransitionsBefore, 92 TransitionsAfterwards, 64 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 90 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 25, Positive cache size: 14, Positive conditional cache size: 14, Positive unconditional cache size: 0, Negative cache size: 11, Negative conditional cache size: 11, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.3ms, 102 PlacesBefore, 97 PlacesAfterwards, 86 TransitionsBefore, 86 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 72 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 16, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 16, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 16, Positive conditional cache size: 16, Positive unconditional cache size: 0, Negative cache size: 13, Negative conditional cache size: 13, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 245.6ms, 105 PlacesBefore, 103 PlacesAfterwards, 101 TransitionsBefore, 101 TransitionsAfterwards, 52 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 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: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 17, Positive conditional cache size: 17, Positive unconditional cache size: 0, Negative cache size: 13, Negative conditional cache size: 13, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.2ms, 109 PlacesBefore, 102 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 42 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 14 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 17, Positive conditional cache size: 17, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.4ms, 104 PlacesBefore, 101 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 52 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 60 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 19, Positive conditional cache size: 19, Positive unconditional cache size: 0, Negative cache size: 15, Negative conditional cache size: 15, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.5ms, 104 PlacesBefore, 96 PlacesAfterwards, 88 TransitionsBefore, 88 TransitionsAfterwards, 52 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 90 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 19, Positive conditional cache size: 19, Positive unconditional cache size: 0, Negative cache size: 17, Negative conditional cache size: 17, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 171.6ms, 101 PlacesBefore, 98 PlacesAfterwards, 92 TransitionsBefore, 92 TransitionsAfterwards, 54 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 260 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 19, Positive conditional cache size: 19, Positive unconditional cache size: 0, Negative cache size: 19, Negative conditional cache size: 19, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.8ms, 100 PlacesBefore, 98 PlacesAfterwards, 91 TransitionsBefore, 91 TransitionsAfterwards, 46 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 98 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 42, positive: 28, positive conditional: 28, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 42, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 23, Positive conditional cache size: 23, Positive unconditional cache size: 0, Negative cache size: 21, Negative conditional cache size: 21, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 198.7ms, 103 PlacesBefore, 101 PlacesAfterwards, 97 TransitionsBefore, 97 TransitionsAfterwards, 44 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, 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: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 24, Positive conditional cache size: 24, Positive unconditional cache size: 0, Negative cache size: 21, Negative conditional cache size: 21, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.7ms, 104 PlacesBefore, 95 PlacesAfterwards, 71 TransitionsBefore, 71 TransitionsAfterwards, 28 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 24 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 24, Positive conditional cache size: 24, Positive unconditional cache size: 0, Negative cache size: 22, Negative conditional cache size: 22, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.5ms, 90 PlacesBefore, 84 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 28 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 44 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 44, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 44, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 30, Positive conditional cache size: 30, Positive unconditional cache size: 0, Negative cache size: 24, Negative conditional cache size: 24, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 261.5ms, 89 PlacesBefore, 85 PlacesAfterwards, 60 TransitionsBefore, 59 TransitionsAfterwards, 18 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 16 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, 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: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 10, Positive cache size: 8, Positive conditional cache size: 8, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 191.4ms, 83 PlacesBefore, 58 PlacesAfterwards, 30 TransitionsBefore, 29 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 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): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5ms, 51 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): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: 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 2 procedures, 140 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 182409.2ms, OverallIterations: 60, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 32553.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 71964.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 774 SDtfs, 1549 SDslu, 1021 SDs, 0 SdLazy, 17580 SolverSat, 1412 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14622.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 882 GetRequests, 52 SyntacticMatches, 25 SemanticMatches, 805 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1290 ImplicationChecksByTransitivity, 21960.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2593occurred in iteration=28, InterpolantAutomatonStates: 597, 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: 73.1ms SsaConstructionTime, 660.3ms SatisfiabilityAnalysisTime, 14538.6ms InterpolantComputationTime, 964 NumberOfCodeBlocks, 964 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 904 ConstructedInterpolants, 0 QuantifiedInterpolants, 20963 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 60 InterpolantComputations, 60 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...