/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 15:21:27,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 15:21:27,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 15:21:27,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 15:21:27,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 15:21:27,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 15:21:27,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 15:21:27,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 15:21:27,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 15:21:27,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 15:21:27,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 15:21:27,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 15:21:27,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 15:21:27,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 15:21:27,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 15:21:27,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 15:21:27,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 15:21:27,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 15:21:27,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 15:21:27,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 15:21:27,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 15:21:27,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 15:21:27,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 15:21:27,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 15:21:27,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 15:21:27,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 15:21:27,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 15:21:27,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 15:21:27,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 15:21:27,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 15:21:27,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 15:21:27,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 15:21:27,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 15:21:27,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 15:21:27,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 15:21:27,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 15:21:27,699 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2021-03-25 15:21:27,735 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 15:21:27,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 15:21:27,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 15:21:27,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 15:21:27,740 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 15:21:27,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 15:21:27,740 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 15:21:27,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 15:21:27,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 15:21:27,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 15:21:27,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 15:21:27,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 15:21:27,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 15:21:27,742 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 15:21:27,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 15:21:27,742 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 15:21:27,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 15:21:27,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 15:21:27,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 15:21:27,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 15:21:27,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 15:21:27,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 15:21:27,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 15:21:27,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 15:21:27,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 15:21:27,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 15:21:27,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 15:21:27,744 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 15:21:27,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 15:21:27,745 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 15:21:28,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 15:21:28,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 15:21:28,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 15:21:28,079 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 15:21:28,080 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 15:21:28,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2021-03-25 15:21:28,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0dae36c/413060a77e2b4be4af8457ef66cc5ce8/FLAG06384dd6b [2021-03-25 15:21:28,679 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 15:21:28,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2021-03-25 15:21:28,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0dae36c/413060a77e2b4be4af8457ef66cc5ce8/FLAG06384dd6b [2021-03-25 15:21:28,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0dae36c/413060a77e2b4be4af8457ef66cc5ce8 [2021-03-25 15:21:28,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 15:21:28,879 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 15:21:28,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 15:21:28,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 15:21:28,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 15:21:28,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 03:21:28" (1/1) ... [2021-03-25 15:21:28,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bcd2e71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:21:28, skipping insertion in model container [2021-03-25 15:21:28,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 03:21:28" (1/1) ... [2021-03-25 15:21:28,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 15:21:28,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 15:21:29,410 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-3_1-container_of-global.i[76084,76097] [2021-03-25 15:21:29,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 15:21:29,433 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 15:21:29,464 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-3_1-container_of-global.i[76084,76097] [2021-03-25 15:21:29,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 15:21:29,709 INFO L208 MainTranslator]: Completed translation [2021-03-25 15:21:29,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:21:29 WrapperNode [2021-03-25 15:21:29,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 15:21:29,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 15:21:29,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 15:21:29,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 15:21:29,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:21:29" (1/1) ... [2021-03-25 15:21:29,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:21:29" (1/1) ... [2021-03-25 15:21:29,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 15:21:29,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 15:21:29,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 15:21:29,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 15:21:29,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:21:29" (1/1) ... [2021-03-25 15:21:29,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:21:29" (1/1) ... [2021-03-25 15:21:29,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:21:29" (1/1) ... [2021-03-25 15:21:29,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:21:29" (1/1) ... [2021-03-25 15:21:29,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:21:29" (1/1) ... [2021-03-25 15:21:29,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:21:29" (1/1) ... [2021-03-25 15:21:29,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:21:29" (1/1) ... [2021-03-25 15:21:29,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 15:21:29,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 15:21:29,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 15:21:29,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 15:21:29,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:21:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 15:21:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 15:21:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-25 15:21:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-25 15:21:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-25 15:21:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 15:21:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 15:21:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-03-25 15:21:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-03-25 15:21:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 15:21:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 15:21:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 15:21:29,887 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 15:21:30,458 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 15:21:30,458 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-03-25 15:21:30,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 03:21:30 BoogieIcfgContainer [2021-03-25 15:21:30,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 15:21:30,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 15:21:30,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 15:21:30,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 15:21:30,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 03:21:28" (1/3) ... [2021-03-25 15:21:30,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490ac912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 03:21:30, skipping insertion in model container [2021-03-25 15:21:30,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:21:29" (2/3) ... [2021-03-25 15:21:30,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490ac912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 03:21:30, skipping insertion in model container [2021-03-25 15:21:30,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 03:21:30" (3/3) ... [2021-03-25 15:21:30,467 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2021-03-25 15:21:30,474 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 15:21:30,477 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-03-25 15:21:30,478 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 15:21:30,517 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,518 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,518 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,518 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,518 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,518 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,518 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,518 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,519 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,519 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,519 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,519 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,519 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,519 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,520 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,520 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,520 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,520 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,520 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,520 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,520 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,520 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,520 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,521 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,521 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,521 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,521 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,521 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,521 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,521 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,521 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,522 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,522 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,522 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,522 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,522 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,522 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,522 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,522 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,523 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,523 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,523 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,523 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,523 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,523 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,523 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,523 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,524 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,524 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,524 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,524 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,524 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,524 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,524 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,525 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,525 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,525 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,525 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,525 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,525 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,525 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,525 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,526 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,526 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,526 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,526 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,526 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,526 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,526 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,526 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,526 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,527 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,527 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,527 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,527 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,527 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,527 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,527 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,528 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,528 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,528 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,528 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,528 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,528 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,528 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,528 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,529 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,529 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,529 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,529 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,529 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,529 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,529 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,530 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,530 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,530 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,530 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,530 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,530 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,530 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,530 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,531 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,531 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,531 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,531 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,531 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,531 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,532 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,532 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,532 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,532 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,532 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,532 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,532 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,533 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,533 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,534 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,535 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,535 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,535 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,535 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,535 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,535 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,535 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,535 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,535 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,539 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,540 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,540 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,540 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,540 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,540 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,540 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,540 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,540 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,541 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:21:30,546 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-25 15:21:30,562 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-03-25 15:21:30,579 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 15:21:30,579 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 15:21:30,579 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 15:21:30,579 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 15:21:30,579 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 15:21:30,579 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 15:21:30,579 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 15:21:30,580 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 15:21:30,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 160 places, 164 transitions, 350 flow [2021-03-25 15:21:30,650 INFO L129 PetriNetUnfolder]: 11/204 cut-off events. [2021-03-25 15:21:30,654 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 15:21:30,658 INFO L84 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 204 events. 11/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 407 event pairs, 0 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 115. Up to 4 conditions per place. [2021-03-25 15:21:30,658 INFO L82 GeneralOperation]: Start removeDead. Operand has 160 places, 164 transitions, 350 flow [2021-03-25 15:21:30,673 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 152 transitions, 322 flow [2021-03-25 15:21:30,680 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:21:30,690 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 152 transitions, 322 flow [2021-03-25 15:21:30,693 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 152 transitions, 322 flow [2021-03-25 15:21:30,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 150 places, 152 transitions, 322 flow [2021-03-25 15:21:30,724 INFO L129 PetriNetUnfolder]: 8/185 cut-off events. [2021-03-25 15:21:30,724 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 15:21:30,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 185 events. 8/185 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 343 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 105. Up to 4 conditions per place. [2021-03-25 15:21:30,728 INFO L142 LiptonReduction]: Number of co-enabled transitions 2288 [2021-03-25 15:22:06,515 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-03-25 15:22:14,088 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2021-03-25 15:22:26,630 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2021-03-25 15:22:26,810 INFO L154 LiptonReduction]: Checked pairs total: 3162 [2021-03-25 15:22:26,810 INFO L156 LiptonReduction]: Total number of compositions: 115 [2021-03-25 15:22:26,812 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56139 [2021-03-25 15:22:26,819 INFO L129 PetriNetUnfolder]: 0/8 cut-off events. [2021-03-25 15:22:26,819 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 15:22:26,819 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:26,820 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:26,820 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]=== [2021-03-25 15:22:26,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:26,824 INFO L82 PathProgramCache]: Analyzing trace with hash -399348905, now seen corresponding path program 1 times [2021-03-25 15:22:26,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:26,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946999690] [2021-03-25 15:22:26,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:27,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:27,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:22:27,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:27,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 15:22:27,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:27,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946999690] [2021-03-25 15:22:27,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:27,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 15:22:27,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990405395] [2021-03-25 15:22:27,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 15:22:27,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:27,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 15:22:27,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 15:22:27,222 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 279 [2021-03-25 15:22:27,225 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 65 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:27,245 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:27,246 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 279 [2021-03-25 15:22:27,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:27,267 INFO L129 PetriNetUnfolder]: 2/70 cut-off events. [2021-03-25 15:22:27,267 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 15:22:27,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 70 events. 2/70 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 139 event pairs, 0 based on Foata normal form. 4/64 useless extension candidates. Maximal degree in co-relation 69. Up to 3 conditions per place. [2021-03-25 15:22:27,269 INFO L132 encePairwiseOnDemand]: 272/279 looper letters, 2 selfloop transitions, 2 changer transitions 2/58 dead transitions. [2021-03-25 15:22:27,269 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 58 transitions, 142 flow [2021-03-25 15:22:27,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 15:22:27,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 15:22:27,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 729 transitions. [2021-03-25 15:22:27,282 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8709677419354839 [2021-03-25 15:22:27,283 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 729 transitions. [2021-03-25 15:22:27,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 729 transitions. [2021-03-25 15:22:27,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:27,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 729 transitions. [2021-03-25 15:22:27,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:27,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:27,298 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:27,300 INFO L185 Difference]: Start difference. First operand has 64 places, 65 transitions, 148 flow. Second operand 3 states and 729 transitions. [2021-03-25 15:22:27,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 58 transitions, 142 flow [2021-03-25 15:22:27,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 58 transitions, 130 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 15:22:27,304 INFO L241 Difference]: Finished difference. Result has 59 places, 56 transitions, 122 flow [2021-03-25 15:22:27,306 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=59, PETRI_TRANSITIONS=56} [2021-03-25 15:22:27,307 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -5 predicate places. [2021-03-25 15:22:27,307 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:27,307 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 56 transitions, 122 flow [2021-03-25 15:22:27,307 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 56 transitions, 122 flow [2021-03-25 15:22:27,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 56 transitions, 122 flow [2021-03-25 15:22:27,315 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2021-03-25 15:22:27,315 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 15:22:27,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 133 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 61. Up to 3 conditions per place. [2021-03-25 15:22:27,316 INFO L142 LiptonReduction]: Number of co-enabled transitions 370 [2021-03-25 15:22:32,188 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-25 15:22:43,590 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-03-25 15:22:57,060 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-03-25 15:22:57,294 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-03-25 15:22:58,089 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-03-25 15:22:58,356 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-03-25 15:22:58,872 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-03-25 15:22:59,106 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-03-25 15:22:59,889 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2021-03-25 15:23:00,217 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-03-25 15:23:01,039 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2021-03-25 15:23:01,368 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2021-03-25 15:23:03,178 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 182 DAG size of output: 178 [2021-03-25 15:23:04,315 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 157 [2021-03-25 15:23:06,437 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 182 DAG size of output: 178 [2021-03-25 15:23:07,220 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2021-03-25 15:23:07,249 INFO L154 LiptonReduction]: Checked pairs total: 1956 [2021-03-25 15:23:07,249 INFO L156 LiptonReduction]: Total number of compositions: 30 [2021-03-25 15:23:07,249 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39942 [2021-03-25 15:23:07,250 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 34 transitions, 80 flow [2021-03-25 15:23:07,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:07,251 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:07,251 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:07,251 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 15:23:07,251 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]=== [2021-03-25 15:23:07,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:07,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1522193569, now seen corresponding path program 1 times [2021-03-25 15:23:07,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:07,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576555178] [2021-03-25 15:23:07,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:07,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:07,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:23:07,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:07,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 15:23:07,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:07,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 15:23:07,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:07,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576555178] [2021-03-25 15:23:07,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:07,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 15:23:07,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157698035] [2021-03-25 15:23:07,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 15:23:07,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:07,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 15:23:07,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 15:23:07,378 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 309 [2021-03-25 15:23:07,379 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 34 transitions, 80 flow. Second operand has 4 states, 4 states have (on average 163.75) internal successors, (655), 4 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:07,379 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:07,379 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 309 [2021-03-25 15:23:07,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:07,502 INFO L129 PetriNetUnfolder]: 170/357 cut-off events. [2021-03-25 15:23:07,502 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 15:23:07,504 INFO L84 FinitePrefix]: Finished finitePrefix Result has 676 conditions, 357 events. 170/357 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1704 event pairs, 117 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 655. Up to 224 conditions per place. [2021-03-25 15:23:07,507 INFO L132 encePairwiseOnDemand]: 298/309 looper letters, 21 selfloop transitions, 10 changer transitions 1/43 dead transitions. [2021-03-25 15:23:07,507 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 43 transitions, 160 flow [2021-03-25 15:23:07,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 15:23:07,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 15:23:07,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 681 transitions. [2021-03-25 15:23:07,510 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5509708737864077 [2021-03-25 15:23:07,510 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 681 transitions. [2021-03-25 15:23:07,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 681 transitions. [2021-03-25 15:23:07,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:07,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 681 transitions. [2021-03-25 15:23:07,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 170.25) internal successors, (681), 4 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:07,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 309.0) internal successors, (1545), 5 states have internal predecessors, (1545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:07,515 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 309.0) internal successors, (1545), 5 states have internal predecessors, (1545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:07,516 INFO L185 Difference]: Start difference. First operand has 34 places, 34 transitions, 80 flow. Second operand 4 states and 681 transitions. [2021-03-25 15:23:07,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 43 transitions, 160 flow [2021-03-25 15:23:07,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 43 transitions, 156 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-25 15:23:07,517 INFO L241 Difference]: Finished difference. Result has 36 places, 36 transitions, 109 flow [2021-03-25 15:23:07,518 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=36, PETRI_TRANSITIONS=36} [2021-03-25 15:23:07,518 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -28 predicate places. [2021-03-25 15:23:07,518 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:07,518 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 36 transitions, 109 flow [2021-03-25 15:23:07,519 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 36 transitions, 109 flow [2021-03-25 15:23:07,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 36 transitions, 109 flow [2021-03-25 15:23:07,528 INFO L129 PetriNetUnfolder]: 4/60 cut-off events. [2021-03-25 15:23:07,528 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 15:23:07,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 60 events. 4/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 171 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 28. Up to 9 conditions per place. [2021-03-25 15:23:07,530 INFO L142 LiptonReduction]: Number of co-enabled transitions 266 [2021-03-25 15:23:17,471 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-25 15:23:19,944 INFO L154 LiptonReduction]: Checked pairs total: 1048 [2021-03-25 15:23:19,945 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 15:23:19,945 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12427 [2021-03-25 15:23:19,946 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 34 transitions, 105 flow [2021-03-25 15:23:19,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 163.75) internal successors, (655), 4 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:19,946 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:19,946 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-03-25 15:23:19,946 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 15:23:19,947 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]=== [2021-03-25 15:23:19,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:19,947 INFO L82 PathProgramCache]: Analyzing trace with hash 16956485, now seen corresponding path program 1 times [2021-03-25 15:23:19,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:19,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392096538] [2021-03-25 15:23:19,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:20,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:20,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:23:20,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:20,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 15:23:20,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:20,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 15:23:20,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:20,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392096538] [2021-03-25 15:23:20,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:20,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 15:23:20,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39427937] [2021-03-25 15:23:20,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 15:23:20,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:20,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 15:23:20,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 15:23:20,045 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 312 [2021-03-25 15:23:20,046 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 34 transitions, 105 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) [2021-03-25 15:23:20,046 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:20,046 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 312 [2021-03-25 15:23:20,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:20,169 INFO L129 PetriNetUnfolder]: 241/490 cut-off events. [2021-03-25 15:23:20,169 INFO L130 PetriNetUnfolder]: For 87/91 co-relation queries the response was YES. [2021-03-25 15:23:20,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1053 conditions, 490 events. 241/490 cut-off events. For 87/91 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2506 event pairs, 94 based on Foata normal form. 17/499 useless extension candidates. Maximal degree in co-relation 707. Up to 339 conditions per place. [2021-03-25 15:23:20,172 INFO L132 encePairwiseOnDemand]: 305/312 looper letters, 25 selfloop transitions, 7 changer transitions 0/43 dead transitions. [2021-03-25 15:23:20,172 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 43 transitions, 191 flow [2021-03-25 15:23:20,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 15:23:20,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 15:23:20,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2021-03-25 15:23:20,175 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6282051282051282 [2021-03-25 15:23:20,175 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 588 transitions. [2021-03-25 15:23:20,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 588 transitions. [2021-03-25 15:23:20,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:20,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 588 transitions. [2021-03-25 15:23:20,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:20,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 312.0) internal successors, (1248), 4 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:20,179 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 312.0) internal successors, (1248), 4 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:20,179 INFO L185 Difference]: Start difference. First operand has 34 places, 34 transitions, 105 flow. Second operand 3 states and 588 transitions. [2021-03-25 15:23:20,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 43 transitions, 191 flow [2021-03-25 15:23:20,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 43 transitions, 174 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 15:23:20,183 INFO L241 Difference]: Finished difference. Result has 35 places, 38 transitions, 131 flow [2021-03-25 15:23:20,183 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=35, PETRI_TRANSITIONS=38} [2021-03-25 15:23:20,184 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -29 predicate places. [2021-03-25 15:23:20,184 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:20,184 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 38 transitions, 131 flow [2021-03-25 15:23:20,184 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 38 transitions, 131 flow [2021-03-25 15:23:20,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 38 transitions, 131 flow [2021-03-25 15:23:20,194 INFO L129 PetriNetUnfolder]: 31/140 cut-off events. [2021-03-25 15:23:20,194 INFO L130 PetriNetUnfolder]: For 32/34 co-relation queries the response was YES. [2021-03-25 15:23:20,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 140 events. 31/140 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 671 event pairs, 12 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 74. Up to 54 conditions per place. [2021-03-25 15:23:20,196 INFO L142 LiptonReduction]: Number of co-enabled transitions 292 [2021-03-25 15:23:20,200 INFO L154 LiptonReduction]: Checked pairs total: 224 [2021-03-25 15:23:20,200 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:20,201 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-25 15:23:20,201 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 38 transitions, 131 flow [2021-03-25 15:23:20,202 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) [2021-03-25 15:23:20,202 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:20,202 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-03-25 15:23:20,202 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 15:23:20,202 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]=== [2021-03-25 15:23:20,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:20,202 INFO L82 PathProgramCache]: Analyzing trace with hash 525646286, now seen corresponding path program 1 times [2021-03-25 15:23:20,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:20,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486217872] [2021-03-25 15:23:20,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:20,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:20,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:23:20,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:20,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 15:23:20,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:20,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486217872] [2021-03-25 15:23:20,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:20,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 15:23:20,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698057065] [2021-03-25 15:23:20,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 15:23:20,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:20,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 15:23:20,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 15:23:20,255 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 312 [2021-03-25 15:23:20,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 38 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:20,256 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:20,256 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 312 [2021-03-25 15:23:20,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:20,391 INFO L129 PetriNetUnfolder]: 268/540 cut-off events. [2021-03-25 15:23:20,392 INFO L130 PetriNetUnfolder]: For 258/266 co-relation queries the response was YES. [2021-03-25 15:23:20,393 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 2880 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. [2021-03-25 15:23:20,395 INFO L132 encePairwiseOnDemand]: 306/312 looper letters, 27 selfloop transitions, 9 changer transitions 3/50 dead transitions. [2021-03-25 15:23:20,396 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 50 transitions, 259 flow [2021-03-25 15:23:20,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 15:23:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 15:23:20,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 587 transitions. [2021-03-25 15:23:20,398 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6271367521367521 [2021-03-25 15:23:20,398 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 587 transitions. [2021-03-25 15:23:20,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 587 transitions. [2021-03-25 15:23:20,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:20,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 587 transitions. [2021-03-25 15:23:20,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:20,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 312.0) internal successors, (1248), 4 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:20,402 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 312.0) internal successors, (1248), 4 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:20,402 INFO L185 Difference]: Start difference. First operand has 35 places, 38 transitions, 131 flow. Second operand 3 states and 587 transitions. [2021-03-25 15:23:20,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 50 transitions, 259 flow [2021-03-25 15:23:20,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 50 transitions, 244 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-25 15:23:20,407 INFO L241 Difference]: Finished difference. Result has 37 places, 43 transitions, 187 flow [2021-03-25 15:23:20,407 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, 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} [2021-03-25 15:23:20,408 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -27 predicate places. [2021-03-25 15:23:20,408 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:20,408 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 43 transitions, 187 flow [2021-03-25 15:23:20,408 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 43 transitions, 187 flow [2021-03-25 15:23:20,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 43 transitions, 187 flow [2021-03-25 15:23:20,424 INFO L129 PetriNetUnfolder]: 74/217 cut-off events. [2021-03-25 15:23:20,424 INFO L130 PetriNetUnfolder]: For 124/124 co-relation queries the response was YES. [2021-03-25 15:23:20,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 217 events. 74/217 cut-off events. For 124/124 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1147 event pairs, 23 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 187. Up to 114 conditions per place. [2021-03-25 15:23:20,426 INFO L142 LiptonReduction]: Number of co-enabled transitions 312 [2021-03-25 15:23:20,647 INFO L154 LiptonReduction]: Checked pairs total: 852 [2021-03-25 15:23:20,647 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 15:23:20,647 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 239 [2021-03-25 15:23:20,650 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 42 transitions, 185 flow [2021-03-25 15:23:20,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:20,650 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:20,650 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:20,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 15:23:20,651 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]=== [2021-03-25 15:23:20,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:20,651 INFO L82 PathProgramCache]: Analyzing trace with hash 209800846, now seen corresponding path program 1 times [2021-03-25 15:23:20,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:20,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206905798] [2021-03-25 15:23:20,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:20,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:20,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:23:20,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:20,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 15:23:20,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:20,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:23:20,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:20,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206905798] [2021-03-25 15:23:20,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:20,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 15:23:20,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6889184] [2021-03-25 15:23:20,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 15:23:20,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:20,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 15:23:20,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 15:23:20,705 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 314 [2021-03-25 15:23:20,706 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) [2021-03-25 15:23:20,706 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:20,706 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 314 [2021-03-25 15:23:20,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:20,733 INFO L129 PetriNetUnfolder]: 6/48 cut-off events. [2021-03-25 15:23:20,734 INFO L130 PetriNetUnfolder]: For 38/47 co-relation queries the response was YES. [2021-03-25 15:23:20,734 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 123 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. [2021-03-25 15:23:20,734 INFO L132 encePairwiseOnDemand]: 312/314 looper letters, 1 selfloop transitions, 1 changer transitions 0/25 dead transitions. [2021-03-25 15:23:20,734 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 25 transitions, 86 flow [2021-03-25 15:23:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 15:23:20,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 15:23:20,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 774 transitions. [2021-03-25 15:23:20,736 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.821656050955414 [2021-03-25 15:23:20,736 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 774 transitions. [2021-03-25 15:23:20,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 774 transitions. [2021-03-25 15:23:20,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:20,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 774 transitions. [2021-03-25 15:23:20,739 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) [2021-03-25 15:23:20,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 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) [2021-03-25 15:23:20,741 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 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) [2021-03-25 15:23:20,741 INFO L185 Difference]: Start difference. First operand has 36 places, 42 transitions, 185 flow. Second operand 3 states and 774 transitions. [2021-03-25 15:23:20,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 25 transitions, 86 flow [2021-03-25 15:23:20,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 25 transitions, 78 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-25 15:23:20,744 INFO L241 Difference]: Finished difference. Result has 30 places, 25 transitions, 76 flow [2021-03-25 15:23:20,744 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, 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} [2021-03-25 15:23:20,744 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -34 predicate places. [2021-03-25 15:23:20,744 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:20,744 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 25 transitions, 76 flow [2021-03-25 15:23:20,744 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 25 transitions, 76 flow [2021-03-25 15:23:20,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 25 transitions, 76 flow [2021-03-25 15:23:20,751 INFO L129 PetriNetUnfolder]: 6/48 cut-off events. [2021-03-25 15:23:20,751 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 15:23:20,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 48 events. 6/48 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 122 event pairs, 4 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 53. Up to 14 conditions per place. [2021-03-25 15:23:20,752 INFO L142 LiptonReduction]: Number of co-enabled transitions 140 [2021-03-25 15:23:20,765 INFO L154 LiptonReduction]: Checked pairs total: 67 [2021-03-25 15:23:20,765 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:20,766 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-03-25 15:23:20,767 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 25 transitions, 76 flow [2021-03-25 15:23:20,767 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) [2021-03-25 15:23:20,767 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:20,767 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] [2021-03-25 15:23:20,767 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 15:23:20,768 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]=== [2021-03-25 15:23:20,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:20,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1186329291, now seen corresponding path program 1 times [2021-03-25 15:23:20,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:20,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323370816] [2021-03-25 15:23:20,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:20,965 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:20,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:20,975 INFO L142 QuantifierPusher]: treesize reduction 11, result has 59.3 percent of original size [2021-03-25 15:23:20,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 15:23:20,991 INFO L142 QuantifierPusher]: treesize reduction 16, result has 57.9 percent of original size [2021-03-25 15:23:20,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 15:23:21,011 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.0 percent of original size [2021-03-25 15:23:21,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 15:23:21,035 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.4 percent of original size [2021-03-25 15:23:21,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 15:23:21,047 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.0 percent of original size [2021-03-25 15:23:21,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 15:23:21,050 INFO L142 QuantifierPusher]: treesize reduction 24, result has 65.7 percent of original size [2021-03-25 15:23:21,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 15:23:21,124 INFO L142 QuantifierPusher]: treesize reduction 24, result has 68.0 percent of original size [2021-03-25 15:23:21,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 15:23:21,179 INFO L142 QuantifierPusher]: treesize reduction 24, result has 73.0 percent of original size [2021-03-25 15:23:21,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 15:23:21,204 INFO L142 QuantifierPusher]: treesize reduction 24, result has 68.0 percent of original size [2021-03-25 15:23:21,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 15:23:21,207 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.9 percent of original size [2021-03-25 15:23:21,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 15:23:21,234 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.9 percent of original size [2021-03-25 15:23:21,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 15:23:21,236 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:21,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:21,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323370816] [2021-03-25 15:23:21,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:21,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 15:23:21,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136669980] [2021-03-25 15:23:21,239 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 15:23:21,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:21,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 15:23:21,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-25 15:23:21,241 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 314 [2021-03-25 15:23:21,242 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 25 transitions, 76 flow. Second operand has 9 states, 9 states have (on average 147.0) internal successors, (1323), 9 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:21,242 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:21,242 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 314 [2021-03-25 15:23:21,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:21,999 INFO L129 PetriNetUnfolder]: 253/600 cut-off events. [2021-03-25 15:23:21,999 INFO L130 PetriNetUnfolder]: For 180/180 co-relation queries the response was YES. [2021-03-25 15:23:22,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1395 conditions, 600 events. 253/600 cut-off events. For 180/180 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3300 event pairs, 61 based on Foata normal form. 0/597 useless extension candidates. Maximal degree in co-relation 573. Up to 156 conditions per place. [2021-03-25 15:23:22,003 INFO L132 encePairwiseOnDemand]: 304/314 looper letters, 69 selfloop transitions, 23 changer transitions 0/96 dead transitions. [2021-03-25 15:23:22,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 96 transitions, 462 flow [2021-03-25 15:23:22,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 15:23:22,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 15:23:22,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1543 transitions. [2021-03-25 15:23:22,007 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4914012738853503 [2021-03-25 15:23:22,007 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1543 transitions. [2021-03-25 15:23:22,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1543 transitions. [2021-03-25 15:23:22,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:22,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1543 transitions. [2021-03-25 15:23:22,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 154.3) internal successors, (1543), 10 states have internal predecessors, (1543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:22,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 314.0) internal successors, (3454), 11 states have internal predecessors, (3454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:22,017 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 314.0) internal successors, (3454), 11 states have internal predecessors, (3454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:22,017 INFO L185 Difference]: Start difference. First operand has 29 places, 25 transitions, 76 flow. Second operand 10 states and 1543 transitions. [2021-03-25 15:23:22,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 96 transitions, 462 flow [2021-03-25 15:23:22,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 96 transitions, 461 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 15:23:22,022 INFO L241 Difference]: Finished difference. Result has 42 places, 44 transitions, 215 flow [2021-03-25 15:23:22,022 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=215, PETRI_PLACES=42, PETRI_TRANSITIONS=44} [2021-03-25 15:23:22,022 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -22 predicate places. [2021-03-25 15:23:22,022 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:22,022 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 44 transitions, 215 flow [2021-03-25 15:23:22,023 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 44 transitions, 215 flow [2021-03-25 15:23:22,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 44 transitions, 215 flow [2021-03-25 15:23:22,039 INFO L129 PetriNetUnfolder]: 32/190 cut-off events. [2021-03-25 15:23:22,039 INFO L130 PetriNetUnfolder]: For 130/137 co-relation queries the response was YES. [2021-03-25 15:23:22,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 391 conditions, 190 events. 32/190 cut-off events. For 130/137 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1129 event pairs, 13 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 175. Up to 53 conditions per place. [2021-03-25 15:23:22,041 INFO L142 LiptonReduction]: Number of co-enabled transitions 214 [2021-03-25 15:23:22,045 INFO L154 LiptonReduction]: Checked pairs total: 58 [2021-03-25 15:23:22,045 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:22,045 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-03-25 15:23:22,048 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 44 transitions, 215 flow [2021-03-25 15:23:22,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 147.0) internal successors, (1323), 9 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:22,050 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:22,050 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] [2021-03-25 15:23:22,050 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 15:23:22,051 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]=== [2021-03-25 15:23:22,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:22,051 INFO L82 PathProgramCache]: Analyzing trace with hash 494028282, now seen corresponding path program 1 times [2021-03-25 15:23:22,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:22,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348048852] [2021-03-25 15:23:22,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:22,303 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.6 percent of original size [2021-03-25 15:23:22,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:22,318 INFO L142 QuantifierPusher]: treesize reduction 11, result has 70.3 percent of original size [2021-03-25 15:23:22,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:22,336 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-03-25 15:23:22,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:23:22,363 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-25 15:23:22,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:22,372 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-03-25 15:23:22,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:23:22,393 INFO L142 QuantifierPusher]: treesize reduction 20, result has 68.3 percent of original size [2021-03-25 15:23:22,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 15:23:22,420 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 15:23:22,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:22,445 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-03-25 15:23:22,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:23:22,482 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-03-25 15:23:22,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:23:22,485 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-25 15:23:22,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 15:23:22,534 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-25 15:23:22,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:22,551 INFO L142 QuantifierPusher]: treesize reduction 41, result has 40.6 percent of original size [2021-03-25 15:23:22,552 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 15:23:22,592 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 15:23:22,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:23:22,616 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:23:22,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:22,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:22,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348048852] [2021-03-25 15:23:22,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:22,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 15:23:22,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635025237] [2021-03-25 15:23:22,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 15:23:22,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:22,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 15:23:22,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-03-25 15:23:22,642 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 314 [2021-03-25 15:23:22,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 44 transitions, 215 flow. Second operand has 13 states, 13 states have (on average 144.3846153846154) internal successors, (1877), 13 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:22,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:22,644 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 314 [2021-03-25 15:23:22,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:23,604 INFO L129 PetriNetUnfolder]: 360/876 cut-off events. [2021-03-25 15:23:23,604 INFO L130 PetriNetUnfolder]: For 893/893 co-relation queries the response was YES. [2021-03-25 15:23:23,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2445 conditions, 876 events. 360/876 cut-off events. For 893/893 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 5530 event pairs, 75 based on Foata normal form. 1/865 useless extension candidates. Maximal degree in co-relation 956. Up to 484 conditions per place. [2021-03-25 15:23:23,609 INFO L132 encePairwiseOnDemand]: 302/314 looper letters, 77 selfloop transitions, 29 changer transitions 14/124 dead transitions. [2021-03-25 15:23:23,610 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 124 transitions, 814 flow [2021-03-25 15:23:23,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 15:23:23,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 15:23:23,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1653 transitions. [2021-03-25 15:23:23,615 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4785755645628257 [2021-03-25 15:23:23,615 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1653 transitions. [2021-03-25 15:23:23,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1653 transitions. [2021-03-25 15:23:23,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:23,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1653 transitions. [2021-03-25 15:23:23,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 150.27272727272728) internal successors, (1653), 11 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:23,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 314.0) internal successors, (3768), 12 states have internal predecessors, (3768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:23,624 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 314.0) internal successors, (3768), 12 states have internal predecessors, (3768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:23,624 INFO L185 Difference]: Start difference. First operand has 42 places, 44 transitions, 215 flow. Second operand 11 states and 1653 transitions. [2021-03-25 15:23:23,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 124 transitions, 814 flow [2021-03-25 15:23:23,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 124 transitions, 803 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-03-25 15:23:23,631 INFO L241 Difference]: Finished difference. Result has 60 places, 71 transitions, 511 flow [2021-03-25 15:23:23,631 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=511, PETRI_PLACES=60, PETRI_TRANSITIONS=71} [2021-03-25 15:23:23,631 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -4 predicate places. [2021-03-25 15:23:23,632 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:23,632 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 71 transitions, 511 flow [2021-03-25 15:23:23,632 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 71 transitions, 511 flow [2021-03-25 15:23:23,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 71 transitions, 511 flow [2021-03-25 15:23:23,662 INFO L129 PetriNetUnfolder]: 73/352 cut-off events. [2021-03-25 15:23:23,662 INFO L130 PetriNetUnfolder]: For 641/649 co-relation queries the response was YES. [2021-03-25 15:23:23,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1028 conditions, 352 events. 73/352 cut-off events. For 641/649 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2416 event pairs, 17 based on Foata normal form. 2/333 useless extension candidates. Maximal degree in co-relation 1006. Up to 103 conditions per place. [2021-03-25 15:23:23,665 INFO L142 LiptonReduction]: Number of co-enabled transitions 252 [2021-03-25 15:23:23,682 INFO L154 LiptonReduction]: Checked pairs total: 267 [2021-03-25 15:23:23,682 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:23,682 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-03-25 15:23:23,682 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 71 transitions, 511 flow [2021-03-25 15:23:23,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 144.3846153846154) internal successors, (1877), 13 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:23,683 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:23,683 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] [2021-03-25 15:23:23,683 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 15:23:23,684 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]=== [2021-03-25 15:23:23,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:23,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1667901421, now seen corresponding path program 1 times [2021-03-25 15:23:23,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:23,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576922129] [2021-03-25 15:23:23,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:23,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:23,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:23:23,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:23,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 15:23:23,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:23,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 15:23:23,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:23,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:23:23,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:23,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:23,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:23,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 15:23:23,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:23,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:23:23,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:23,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576922129] [2021-03-25 15:23:23,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:23,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 15:23:23,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474780446] [2021-03-25 15:23:23,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 15:23:23,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:23,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 15:23:23,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-25 15:23:23,873 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 314 [2021-03-25 15:23:23,874 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 71 transitions, 511 flow. Second operand has 6 states, 6 states have (on average 160.0) internal successors, (960), 6 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:23,874 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:23,874 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 314 [2021-03-25 15:23:23,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:24,286 INFO L129 PetriNetUnfolder]: 419/1022 cut-off events. [2021-03-25 15:23:24,286 INFO L130 PetriNetUnfolder]: For 3110/3112 co-relation queries the response was YES. [2021-03-25 15:23:24,289 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3969 conditions, 1022 events. 419/1022 cut-off events. For 3110/3112 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 6672 event pairs, 198 based on Foata normal form. 39/1052 useless extension candidates. Maximal degree in co-relation 3945. Up to 596 conditions per place. [2021-03-25 15:23:24,294 INFO L132 encePairwiseOnDemand]: 306/314 looper letters, 98 selfloop transitions, 32 changer transitions 0/132 dead transitions. [2021-03-25 15:23:24,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 132 transitions, 1286 flow [2021-03-25 15:23:24,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 15:23:24,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 15:23:24,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1317 transitions. [2021-03-25 15:23:24,298 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5242834394904459 [2021-03-25 15:23:24,299 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1317 transitions. [2021-03-25 15:23:24,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1317 transitions. [2021-03-25 15:23:24,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:24,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1317 transitions. [2021-03-25 15:23:24,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 164.625) internal successors, (1317), 8 states have internal predecessors, (1317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:24,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 314.0) internal successors, (2826), 9 states have internal predecessors, (2826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:24,306 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 314.0) internal successors, (2826), 9 states have internal predecessors, (2826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:24,306 INFO L185 Difference]: Start difference. First operand has 57 places, 71 transitions, 511 flow. Second operand 8 states and 1317 transitions. [2021-03-25 15:23:24,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 132 transitions, 1286 flow [2021-03-25 15:23:24,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 132 transitions, 1224 flow, removed 31 selfloop flow, removed 3 redundant places. [2021-03-25 15:23:24,320 INFO L241 Difference]: Finished difference. Result has 67 places, 94 transitions, 849 flow [2021-03-25 15:23:24,320 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=849, PETRI_PLACES=67, PETRI_TRANSITIONS=94} [2021-03-25 15:23:24,321 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 3 predicate places. [2021-03-25 15:23:24,321 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:24,321 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 94 transitions, 849 flow [2021-03-25 15:23:24,321 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 94 transitions, 849 flow [2021-03-25 15:23:24,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 94 transitions, 849 flow [2021-03-25 15:23:24,366 INFO L129 PetriNetUnfolder]: 114/492 cut-off events. [2021-03-25 15:23:24,366 INFO L130 PetriNetUnfolder]: For 1662/1681 co-relation queries the response was YES. [2021-03-25 15:23:24,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1697 conditions, 492 events. 114/492 cut-off events. For 1662/1681 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3700 event pairs, 15 based on Foata normal form. 8/481 useless extension candidates. Maximal degree in co-relation 1249. Up to 139 conditions per place. [2021-03-25 15:23:24,371 INFO L142 LiptonReduction]: Number of co-enabled transitions 272 [2021-03-25 15:23:24,422 INFO L154 LiptonReduction]: Checked pairs total: 439 [2021-03-25 15:23:24,422 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:24,422 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 101 [2021-03-25 15:23:24,423 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 94 transitions, 849 flow [2021-03-25 15:23:24,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 160.0) internal successors, (960), 6 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:24,423 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:24,424 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] [2021-03-25 15:23:24,424 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 15:23:24,424 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]=== [2021-03-25 15:23:24,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:24,424 INFO L82 PathProgramCache]: Analyzing trace with hash -100334022, now seen corresponding path program 2 times [2021-03-25 15:23:24,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:24,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434112772] [2021-03-25 15:23:24,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:24,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:24,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 15:23:24,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:24,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 15:23:24,537 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-25 15:23:24,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 15:23:24,540 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-25 15:23:24,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 15:23:24,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:24,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:23:24,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:24,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434112772] [2021-03-25 15:23:24,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:24,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 15:23:24,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442138267] [2021-03-25 15:23:24,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 15:23:24,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:24,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 15:23:24,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 15:23:24,544 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 314 [2021-03-25 15:23:24,545 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 94 transitions, 849 flow. Second operand has 4 states, 4 states have (on average 245.25) internal successors, (981), 4 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:24,545 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:24,545 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 314 [2021-03-25 15:23:24,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:24,684 INFO L129 PetriNetUnfolder]: 122/519 cut-off events. [2021-03-25 15:23:24,684 INFO L130 PetriNetUnfolder]: For 1723/1730 co-relation queries the response was YES. [2021-03-25 15:23:24,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1872 conditions, 519 events. 122/519 cut-off events. For 1723/1730 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3825 event pairs, 16 based on Foata normal form. 22/522 useless extension candidates. Maximal degree in co-relation 1545. Up to 133 conditions per place. [2021-03-25 15:23:24,688 INFO L132 encePairwiseOnDemand]: 309/314 looper letters, 23 selfloop transitions, 10 changer transitions 0/84 dead transitions. [2021-03-25 15:23:24,688 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 84 transitions, 769 flow [2021-03-25 15:23:24,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 15:23:24,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 15:23:24,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 987 transitions. [2021-03-25 15:23:24,691 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.785828025477707 [2021-03-25 15:23:24,691 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 987 transitions. [2021-03-25 15:23:24,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 987 transitions. [2021-03-25 15:23:24,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:24,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 987 transitions. [2021-03-25 15:23:24,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 246.75) internal successors, (987), 4 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:24,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 314.0) internal successors, (1570), 5 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:24,696 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 314.0) internal successors, (1570), 5 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:24,696 INFO L185 Difference]: Start difference. First operand has 67 places, 94 transitions, 849 flow. Second operand 4 states and 987 transitions. [2021-03-25 15:23:24,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 84 transitions, 769 flow [2021-03-25 15:23:24,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 84 transitions, 705 flow, removed 27 selfloop flow, removed 2 redundant places. [2021-03-25 15:23:24,705 INFO L241 Difference]: Finished difference. Result has 69 places, 79 transitions, 637 flow [2021-03-25 15:23:24,706 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=637, PETRI_PLACES=69, PETRI_TRANSITIONS=79} [2021-03-25 15:23:24,706 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 5 predicate places. [2021-03-25 15:23:24,706 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:24,706 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 79 transitions, 637 flow [2021-03-25 15:23:24,706 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 79 transitions, 637 flow [2021-03-25 15:23:24,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 79 transitions, 637 flow [2021-03-25 15:23:24,743 INFO L129 PetriNetUnfolder]: 102/455 cut-off events. [2021-03-25 15:23:24,744 INFO L130 PetriNetUnfolder]: For 1167/1172 co-relation queries the response was YES. [2021-03-25 15:23:24,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1539 conditions, 455 events. 102/455 cut-off events. For 1167/1172 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3381 event pairs, 16 based on Foata normal form. 3/442 useless extension candidates. Maximal degree in co-relation 936. Up to 115 conditions per place. [2021-03-25 15:23:24,748 INFO L142 LiptonReduction]: Number of co-enabled transitions 222 [2021-03-25 15:23:25,124 INFO L154 LiptonReduction]: Checked pairs total: 477 [2021-03-25 15:23:25,124 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 15:23:25,124 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 418 [2021-03-25 15:23:25,125 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 79 transitions, 660 flow [2021-03-25 15:23:25,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 245.25) internal successors, (981), 4 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:25,125 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:25,125 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] [2021-03-25 15:23:25,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 15:23:25,126 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]=== [2021-03-25 15:23:25,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:25,126 INFO L82 PathProgramCache]: Analyzing trace with hash 841818746, now seen corresponding path program 3 times [2021-03-25 15:23:25,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:25,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444462391] [2021-03-25 15:23:25,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:25,257 INFO L142 QuantifierPusher]: treesize reduction 13, result has 82.4 percent of original size [2021-03-25 15:23:25,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 15:23:25,291 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.3 percent of original size [2021-03-25 15:23:25,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 15:23:25,324 INFO L142 QuantifierPusher]: treesize reduction 22, result has 63.9 percent of original size [2021-03-25 15:23:25,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:23:25,346 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 15:23:25,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:25,354 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-03-25 15:23:25,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:23:25,375 INFO L142 QuantifierPusher]: treesize reduction 22, result has 66.2 percent of original size [2021-03-25 15:23:25,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 15:23:25,399 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-25 15:23:25,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:25,422 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-03-25 15:23:25,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 15:23:25,448 INFO L142 QuantifierPusher]: treesize reduction 16, result has 67.3 percent of original size [2021-03-25 15:23:25,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:25,463 INFO L142 QuantifierPusher]: treesize reduction 43, result has 40.3 percent of original size [2021-03-25 15:23:25,463 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-03-25 15:23:25,496 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-25 15:23:25,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:23:25,519 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-25 15:23:25,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:23:25,544 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-25 15:23:25,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:23:25,545 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:25,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:25,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444462391] [2021-03-25 15:23:25,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:25,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 15:23:25,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452087382] [2021-03-25 15:23:25,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 15:23:25,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:25,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 15:23:25,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-03-25 15:23:25,569 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 317 [2021-03-25 15:23:25,570 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 79 transitions, 660 flow. Second operand has 13 states, 13 states have (on average 144.3846153846154) internal successors, (1877), 13 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:25,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:25,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 317 [2021-03-25 15:23:25,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:26,655 INFO L129 PetriNetUnfolder]: 378/964 cut-off events. [2021-03-25 15:23:26,656 INFO L130 PetriNetUnfolder]: For 3354/3364 co-relation queries the response was YES. [2021-03-25 15:23:26,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4064 conditions, 964 events. 378/964 cut-off events. For 3354/3364 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 6426 event pairs, 133 based on Foata normal form. 2/953 useless extension candidates. Maximal degree in co-relation 2566. Up to 577 conditions per place. [2021-03-25 15:23:26,664 INFO L132 encePairwiseOnDemand]: 303/317 looper letters, 91 selfloop transitions, 62 changer transitions 0/157 dead transitions. [2021-03-25 15:23:26,664 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 157 transitions, 1501 flow [2021-03-25 15:23:26,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 15:23:26,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 15:23:26,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1799 transitions. [2021-03-25 15:23:26,670 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47292323869610936 [2021-03-25 15:23:26,670 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1799 transitions. [2021-03-25 15:23:26,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1799 transitions. [2021-03-25 15:23:26,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:26,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1799 transitions. [2021-03-25 15:23:26,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 149.91666666666666) internal successors, (1799), 12 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:26,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 317.0) internal successors, (4121), 13 states have internal predecessors, (4121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:26,679 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 317.0) internal successors, (4121), 13 states have internal predecessors, (4121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:26,679 INFO L185 Difference]: Start difference. First operand has 69 places, 79 transitions, 660 flow. Second operand 12 states and 1799 transitions. [2021-03-25 15:23:26,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 157 transitions, 1501 flow [2021-03-25 15:23:26,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 157 transitions, 1479 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-25 15:23:26,692 INFO L241 Difference]: Finished difference. Result has 84 places, 119 transitions, 1155 flow [2021-03-25 15:23:26,693 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1155, PETRI_PLACES=84, PETRI_TRANSITIONS=119} [2021-03-25 15:23:26,693 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 20 predicate places. [2021-03-25 15:23:26,693 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:26,693 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 119 transitions, 1155 flow [2021-03-25 15:23:26,693 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 119 transitions, 1155 flow [2021-03-25 15:23:26,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 119 transitions, 1155 flow [2021-03-25 15:23:26,755 INFO L129 PetriNetUnfolder]: 130/553 cut-off events. [2021-03-25 15:23:26,755 INFO L130 PetriNetUnfolder]: For 1960/1993 co-relation queries the response was YES. [2021-03-25 15:23:26,760 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2189 conditions, 553 events. 130/553 cut-off events. For 1960/1993 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4232 event pairs, 17 based on Foata normal form. 6/542 useless extension candidates. Maximal degree in co-relation 2129. Up to 153 conditions per place. [2021-03-25 15:23:26,764 INFO L142 LiptonReduction]: Number of co-enabled transitions 246 [2021-03-25 15:23:26,866 INFO L154 LiptonReduction]: Checked pairs total: 696 [2021-03-25 15:23:26,866 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 15:23:26,866 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 173 [2021-03-25 15:23:26,867 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 119 transitions, 1157 flow [2021-03-25 15:23:26,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 144.3846153846154) internal successors, (1877), 13 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:26,868 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:26,868 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:26,868 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 15:23:26,868 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]=== [2021-03-25 15:23:26,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:26,868 INFO L82 PathProgramCache]: Analyzing trace with hash 183330748, now seen corresponding path program 1 times [2021-03-25 15:23:26,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:26,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104762214] [2021-03-25 15:23:26,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:27,017 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.0 percent of original size [2021-03-25 15:23:27,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:27,030 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-25 15:23:27,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:27,044 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-03-25 15:23:27,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:23:27,066 INFO L142 QuantifierPusher]: treesize reduction 25, result has 57.6 percent of original size [2021-03-25 15:23:27,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:27,074 INFO L142 QuantifierPusher]: treesize reduction 25, result has 56.9 percent of original size [2021-03-25 15:23:27,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:27,094 INFO L142 QuantifierPusher]: treesize reduction 25, result has 51.9 percent of original size [2021-03-25 15:23:27,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:23:27,116 INFO L142 QuantifierPusher]: treesize reduction 25, result has 62.7 percent of original size [2021-03-25 15:23:27,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 15:23:27,146 INFO L142 QuantifierPusher]: treesize reduction 23, result has 59.6 percent of original size [2021-03-25 15:23:27,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:27,172 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-25 15:23:27,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:27,198 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-25 15:23:27,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:27,201 INFO L142 QuantifierPusher]: treesize reduction 43, result has 39.4 percent of original size [2021-03-25 15:23:27,202 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 15:23:27,238 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-25 15:23:27,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:23:27,263 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:27,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:27,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:27,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104762214] [2021-03-25 15:23:27,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:27,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 15:23:27,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860655989] [2021-03-25 15:23:27,286 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 15:23:27,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:27,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 15:23:27,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-03-25 15:23:27,288 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 319 [2021-03-25 15:23:27,290 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 119 transitions, 1157 flow. Second operand has 13 states, 13 states have (on average 144.30769230769232) internal successors, (1876), 13 states have internal predecessors, (1876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:27,290 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:27,290 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 319 [2021-03-25 15:23:27,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:28,395 INFO L129 PetriNetUnfolder]: 411/1068 cut-off events. [2021-03-25 15:23:28,395 INFO L130 PetriNetUnfolder]: For 5046/5056 co-relation queries the response was YES. [2021-03-25 15:23:28,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5069 conditions, 1068 events. 411/1068 cut-off events. For 5046/5056 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 7402 event pairs, 173 based on Foata normal form. 2/1055 useless extension candidates. Maximal degree in co-relation 4970. Up to 823 conditions per place. [2021-03-25 15:23:28,404 INFO L132 encePairwiseOnDemand]: 305/319 looper letters, 117 selfloop transitions, 32 changer transitions 24/177 dead transitions. [2021-03-25 15:23:28,405 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 177 transitions, 2012 flow [2021-03-25 15:23:28,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 15:23:28,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 15:23:28,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1647 transitions. [2021-03-25 15:23:28,413 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46936449130806496 [2021-03-25 15:23:28,414 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1647 transitions. [2021-03-25 15:23:28,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1647 transitions. [2021-03-25 15:23:28,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:28,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1647 transitions. [2021-03-25 15:23:28,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 149.72727272727272) internal successors, (1647), 11 states have internal predecessors, (1647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:28,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 319.0) internal successors, (3828), 12 states have internal predecessors, (3828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:28,426 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 319.0) internal successors, (3828), 12 states have internal predecessors, (3828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:28,426 INFO L185 Difference]: Start difference. First operand has 84 places, 119 transitions, 1157 flow. Second operand 11 states and 1647 transitions. [2021-03-25 15:23:28,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 177 transitions, 2012 flow [2021-03-25 15:23:28,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 177 transitions, 1954 flow, removed 29 selfloop flow, removed 0 redundant places. [2021-03-25 15:23:28,444 INFO L241 Difference]: Finished difference. Result has 101 places, 130 transitions, 1366 flow [2021-03-25 15:23:28,444 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=1113, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1366, PETRI_PLACES=101, PETRI_TRANSITIONS=130} [2021-03-25 15:23:28,444 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 37 predicate places. [2021-03-25 15:23:28,444 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:28,444 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 130 transitions, 1366 flow [2021-03-25 15:23:28,445 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 130 transitions, 1366 flow [2021-03-25 15:23:28,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 130 transitions, 1366 flow [2021-03-25 15:23:28,497 INFO L129 PetriNetUnfolder]: 134/580 cut-off events. [2021-03-25 15:23:28,497 INFO L130 PetriNetUnfolder]: For 2630/2661 co-relation queries the response was YES. [2021-03-25 15:23:28,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2469 conditions, 580 events. 134/580 cut-off events. For 2630/2661 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4596 event pairs, 20 based on Foata normal form. 8/575 useless extension candidates. Maximal degree in co-relation 2424. Up to 146 conditions per place. [2021-03-25 15:23:28,503 INFO L142 LiptonReduction]: Number of co-enabled transitions 252 [2021-03-25 15:23:28,569 INFO L154 LiptonReduction]: Checked pairs total: 720 [2021-03-25 15:23:28,569 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 15:23:28,569 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 125 [2021-03-25 15:23:28,570 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 130 transitions, 1370 flow [2021-03-25 15:23:28,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 144.30769230769232) internal successors, (1876), 13 states have internal predecessors, (1876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:28,571 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:28,571 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:28,571 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 15:23:28,571 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]=== [2021-03-25 15:23:28,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:28,572 INFO L82 PathProgramCache]: Analyzing trace with hash 575329228, now seen corresponding path program 1 times [2021-03-25 15:23:28,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:28,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598220843] [2021-03-25 15:23:28,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:28,657 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-25 15:23:28,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:28,670 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-25 15:23:28,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:28,684 INFO L142 QuantifierPusher]: treesize reduction 22, result has 63.9 percent of original size [2021-03-25 15:23:28,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:23:28,705 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 15:23:28,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:28,713 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-03-25 15:23:28,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:23:28,731 INFO L142 QuantifierPusher]: treesize reduction 22, result has 66.2 percent of original size [2021-03-25 15:23:28,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 15:23:28,759 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-25 15:23:28,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:28,780 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-03-25 15:23:28,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 15:23:28,803 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-03-25 15:23:28,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 15:23:28,827 INFO L142 QuantifierPusher]: treesize reduction 76, result has 36.1 percent of original size [2021-03-25 15:23:28,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 15:23:28,844 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-25 15:23:28,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:23:28,868 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:28,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:28,887 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:28,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:28,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598220843] [2021-03-25 15:23:28,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:28,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 15:23:28,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492524534] [2021-03-25 15:23:28,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 15:23:28,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:28,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 15:23:28,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-03-25 15:23:28,891 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 320 [2021-03-25 15:23:28,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 130 transitions, 1370 flow. Second operand has 12 states, 12 states have (on average 145.41666666666666) internal successors, (1745), 12 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:28,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:28,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 320 [2021-03-25 15:23:28,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:29,911 INFO L129 PetriNetUnfolder]: 395/1027 cut-off events. [2021-03-25 15:23:29,911 INFO L130 PetriNetUnfolder]: For 5938/5942 co-relation queries the response was YES. [2021-03-25 15:23:29,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5162 conditions, 1027 events. 395/1027 cut-off events. For 5938/5942 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 7122 event pairs, 147 based on Foata normal form. 5/1023 useless extension candidates. Maximal degree in co-relation 5114. Up to 637 conditions per place. [2021-03-25 15:23:29,921 INFO L132 encePairwiseOnDemand]: 304/320 looper letters, 107 selfloop transitions, 59 changer transitions 1/171 dead transitions. [2021-03-25 15:23:29,921 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 171 transitions, 2037 flow [2021-03-25 15:23:29,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 15:23:29,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 15:23:29,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1520 transitions. [2021-03-25 15:23:29,927 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.475 [2021-03-25 15:23:29,927 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1520 transitions. [2021-03-25 15:23:29,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1520 transitions. [2021-03-25 15:23:29,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:29,928 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1520 transitions. [2021-03-25 15:23:29,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 152.0) internal successors, (1520), 10 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:29,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 320.0) internal successors, (3520), 11 states have internal predecessors, (3520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:29,936 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 320.0) internal successors, (3520), 11 states have internal predecessors, (3520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:29,936 INFO L185 Difference]: Start difference. First operand has 98 places, 130 transitions, 1370 flow. Second operand 10 states and 1520 transitions. [2021-03-25 15:23:29,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 171 transitions, 2037 flow [2021-03-25 15:23:29,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 171 transitions, 1941 flow, removed 30 selfloop flow, removed 6 redundant places. [2021-03-25 15:23:29,959 INFO L241 Difference]: Finished difference. Result has 104 places, 134 transitions, 1486 flow [2021-03-25 15:23:29,959 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=1296, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1486, PETRI_PLACES=104, PETRI_TRANSITIONS=134} [2021-03-25 15:23:29,959 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 40 predicate places. [2021-03-25 15:23:29,959 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:29,959 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 134 transitions, 1486 flow [2021-03-25 15:23:29,960 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 134 transitions, 1486 flow [2021-03-25 15:23:29,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 134 transitions, 1486 flow [2021-03-25 15:23:30,010 INFO L129 PetriNetUnfolder]: 136/595 cut-off events. [2021-03-25 15:23:30,011 INFO L130 PetriNetUnfolder]: For 2839/2849 co-relation queries the response was YES. [2021-03-25 15:23:30,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2575 conditions, 595 events. 136/595 cut-off events. For 2839/2849 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4771 event pairs, 18 based on Foata normal form. 2/583 useless extension candidates. Maximal degree in co-relation 2512. Up to 150 conditions per place. [2021-03-25 15:23:30,017 INFO L142 LiptonReduction]: Number of co-enabled transitions 254 [2021-03-25 15:23:30,030 INFO L154 LiptonReduction]: Checked pairs total: 399 [2021-03-25 15:23:30,030 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:30,030 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-03-25 15:23:30,031 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 134 transitions, 1486 flow [2021-03-25 15:23:30,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 145.41666666666666) internal successors, (1745), 12 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:30,032 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:30,032 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:30,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 15:23:30,032 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]=== [2021-03-25 15:23:30,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:30,032 INFO L82 PathProgramCache]: Analyzing trace with hash -411669450, now seen corresponding path program 1 times [2021-03-25 15:23:30,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:30,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156555112] [2021-03-25 15:23:30,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:30,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:30,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 15:23:30,100 INFO L142 QuantifierPusher]: treesize reduction 17, result has 64.6 percent of original size [2021-03-25 15:23:30,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 15:23:30,131 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-25 15:23:30,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 15:23:30,132 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-25 15:23:30,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 15:23:30,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:30,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:23:30,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:30,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156555112] [2021-03-25 15:23:30,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:30,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 15:23:30,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024891967] [2021-03-25 15:23:30,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 15:23:30,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:30,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 15:23:30,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 15:23:30,137 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 320 [2021-03-25 15:23:30,138 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 134 transitions, 1486 flow. Second operand has 4 states, 4 states have (on average 246.25) internal successors, (985), 4 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:30,138 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:30,138 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 320 [2021-03-25 15:23:30,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:30,241 INFO L129 PetriNetUnfolder]: 41/247 cut-off events. [2021-03-25 15:23:30,241 INFO L130 PetriNetUnfolder]: For 1543/1548 co-relation queries the response was YES. [2021-03-25 15:23:30,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1167 conditions, 247 events. 41/247 cut-off events. For 1543/1548 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1516 event pairs, 4 based on Foata normal form. 15/260 useless extension candidates. Maximal degree in co-relation 1131. Up to 53 conditions per place. [2021-03-25 15:23:30,244 INFO L132 encePairwiseOnDemand]: 313/320 looper letters, 25 selfloop transitions, 10 changer transitions 6/94 dead transitions. [2021-03-25 15:23:30,244 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 94 transitions, 1048 flow [2021-03-25 15:23:30,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 15:23:30,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 15:23:30,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 991 transitions. [2021-03-25 15:23:30,247 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.77421875 [2021-03-25 15:23:30,247 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 991 transitions. [2021-03-25 15:23:30,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 991 transitions. [2021-03-25 15:23:30,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:30,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 991 transitions. [2021-03-25 15:23:30,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 247.75) internal successors, (991), 4 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:30,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 320.0) internal successors, (1600), 5 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:30,251 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 320.0) internal successors, (1600), 5 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:30,251 INFO L185 Difference]: Start difference. First operand has 104 places, 134 transitions, 1486 flow. Second operand 4 states and 991 transitions. [2021-03-25 15:23:30,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 94 transitions, 1048 flow [2021-03-25 15:23:30,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 94 transitions, 898 flow, removed 31 selfloop flow, removed 15 redundant places. [2021-03-25 15:23:30,262 INFO L241 Difference]: Finished difference. Result has 88 places, 88 transitions, 802 flow [2021-03-25 15:23:30,262 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=802, PETRI_PLACES=88, PETRI_TRANSITIONS=88} [2021-03-25 15:23:30,262 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 24 predicate places. [2021-03-25 15:23:30,262 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:30,262 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 88 transitions, 802 flow [2021-03-25 15:23:30,263 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 88 transitions, 802 flow [2021-03-25 15:23:30,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 88 transitions, 802 flow [2021-03-25 15:23:30,283 INFO L129 PetriNetUnfolder]: 39/224 cut-off events. [2021-03-25 15:23:30,283 INFO L130 PetriNetUnfolder]: For 801/807 co-relation queries the response was YES. [2021-03-25 15:23:30,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 854 conditions, 224 events. 39/224 cut-off events. For 801/807 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1319 event pairs, 3 based on Foata normal form. 2/221 useless extension candidates. Maximal degree in co-relation 799. Up to 50 conditions per place. [2021-03-25 15:23:30,286 INFO L142 LiptonReduction]: Number of co-enabled transitions 114 [2021-03-25 15:23:36,041 INFO L154 LiptonReduction]: Checked pairs total: 479 [2021-03-25 15:23:36,041 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-25 15:23:36,041 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5779 [2021-03-25 15:23:36,041 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 88 transitions, 823 flow [2021-03-25 15:23:36,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 246.25) internal successors, (985), 4 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:36,042 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:36,042 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:36,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 15:23:36,042 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]=== [2021-03-25 15:23:36,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:36,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1342605331, now seen corresponding path program 1 times [2021-03-25 15:23:36,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:36,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94443559] [2021-03-25 15:23:36,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:36,120 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-25 15:23:36,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:36,133 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-25 15:23:36,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:36,147 INFO L142 QuantifierPusher]: treesize reduction 22, result has 63.9 percent of original size [2021-03-25 15:23:36,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:23:36,169 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 15:23:36,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:36,178 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-03-25 15:23:36,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:23:36,195 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-25 15:23:36,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:23:36,214 INFO L142 QuantifierPusher]: treesize reduction 22, result has 65.6 percent of original size [2021-03-25 15:23:36,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 15:23:36,234 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-25 15:23:36,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:36,267 INFO L142 QuantifierPusher]: treesize reduction 76, result has 36.1 percent of original size [2021-03-25 15:23:36,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 15:23:36,302 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-25 15:23:36,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:23:36,319 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:36,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:36,339 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:36,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:36,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94443559] [2021-03-25 15:23:36,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:36,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 15:23:36,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707892586] [2021-03-25 15:23:36,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 15:23:36,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:36,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 15:23:36,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-03-25 15:23:36,343 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 329 [2021-03-25 15:23:36,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 88 transitions, 823 flow. Second operand has 12 states, 12 states have (on average 145.33333333333334) internal successors, (1744), 12 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:36,345 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:36,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 329 [2021-03-25 15:23:36,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:37,021 INFO L129 PetriNetUnfolder]: 81/287 cut-off events. [2021-03-25 15:23:37,021 INFO L130 PetriNetUnfolder]: For 1258/1262 co-relation queries the response was YES. [2021-03-25 15:23:37,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1365 conditions, 287 events. 81/287 cut-off events. For 1258/1262 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1574 event pairs, 37 based on Foata normal form. 5/289 useless extension candidates. Maximal degree in co-relation 1302. Up to 187 conditions per place. [2021-03-25 15:23:37,023 INFO L132 encePairwiseOnDemand]: 315/329 looper letters, 85 selfloop transitions, 17 changer transitions 7/113 dead transitions. [2021-03-25 15:23:37,024 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 113 transitions, 1235 flow [2021-03-25 15:23:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 15:23:37,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 15:23:37,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1354 transitions. [2021-03-25 15:23:37,028 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45727794663964877 [2021-03-25 15:23:37,028 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1354 transitions. [2021-03-25 15:23:37,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1354 transitions. [2021-03-25 15:23:37,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:37,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1354 transitions. [2021-03-25 15:23:37,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 150.44444444444446) internal successors, (1354), 9 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:37,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 329.0) internal successors, (3290), 10 states have internal predecessors, (3290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:37,035 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 329.0) internal successors, (3290), 10 states have internal predecessors, (3290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:37,035 INFO L185 Difference]: Start difference. First operand has 85 places, 88 transitions, 823 flow. Second operand 9 states and 1354 transitions. [2021-03-25 15:23:37,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 113 transitions, 1235 flow [2021-03-25 15:23:37,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 113 transitions, 1151 flow, removed 15 selfloop flow, removed 5 redundant places. [2021-03-25 15:23:37,043 INFO L241 Difference]: Finished difference. Result has 90 places, 90 transitions, 816 flow [2021-03-25 15:23:37,044 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=329, PETRI_DIFFERENCE_MINUEND_FLOW=753, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=816, PETRI_PLACES=90, PETRI_TRANSITIONS=90} [2021-03-25 15:23:37,044 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 26 predicate places. [2021-03-25 15:23:37,044 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:37,044 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 90 transitions, 816 flow [2021-03-25 15:23:37,044 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 90 transitions, 816 flow [2021-03-25 15:23:37,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 90 transitions, 816 flow [2021-03-25 15:23:37,063 INFO L129 PetriNetUnfolder]: 35/195 cut-off events. [2021-03-25 15:23:37,063 INFO L130 PetriNetUnfolder]: For 638/644 co-relation queries the response was YES. [2021-03-25 15:23:37,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 757 conditions, 195 events. 35/195 cut-off events. For 638/644 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1118 event pairs, 4 based on Foata normal form. 3/195 useless extension candidates. Maximal degree in co-relation 724. Up to 46 conditions per place. [2021-03-25 15:23:37,065 INFO L142 LiptonReduction]: Number of co-enabled transitions 96 [2021-03-25 15:23:39,669 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-25 15:23:39,898 INFO L154 LiptonReduction]: Checked pairs total: 387 [2021-03-25 15:23:39,899 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 15:23:39,899 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2855 [2021-03-25 15:23:39,899 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 88 transitions, 811 flow [2021-03-25 15:23:39,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 145.33333333333334) internal successors, (1744), 12 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:39,900 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:39,900 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:39,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 15:23:39,900 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]=== [2021-03-25 15:23:39,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:39,900 INFO L82 PathProgramCache]: Analyzing trace with hash -450245587, now seen corresponding path program 1 times [2021-03-25 15:23:39,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:39,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131158137] [2021-03-25 15:23:39,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:39,977 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-25 15:23:39,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:39,990 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-25 15:23:39,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:40,007 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-03-25 15:23:40,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:23:40,031 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-25 15:23:40,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:40,038 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-03-25 15:23:40,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:23:40,057 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-03-25 15:23:40,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:23:40,077 INFO L142 QuantifierPusher]: treesize reduction 18, result has 65.4 percent of original size [2021-03-25 15:23:40,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:40,099 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-25 15:23:40,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:40,122 INFO L142 QuantifierPusher]: treesize reduction 41, result has 40.6 percent of original size [2021-03-25 15:23:40,123 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 15:23:40,156 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 15:23:40,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:40,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:40,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131158137] [2021-03-25 15:23:40,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:40,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 15:23:40,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407355116] [2021-03-25 15:23:40,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 15:23:40,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:40,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 15:23:40,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-25 15:23:40,178 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 332 [2021-03-25 15:23:40,179 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 88 transitions, 811 flow. Second operand has 11 states, 11 states have (on average 144.36363636363637) internal successors, (1588), 11 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:40,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:40,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 332 [2021-03-25 15:23:40,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:40,809 INFO L129 PetriNetUnfolder]: 73/259 cut-off events. [2021-03-25 15:23:40,810 INFO L130 PetriNetUnfolder]: For 1060/1062 co-relation queries the response was YES. [2021-03-25 15:23:40,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1222 conditions, 259 events. 73/259 cut-off events. For 1060/1062 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1401 event pairs, 32 based on Foata normal form. 2/258 useless extension candidates. Maximal degree in co-relation 1192. Up to 169 conditions per place. [2021-03-25 15:23:40,812 INFO L132 encePairwiseOnDemand]: 317/332 looper letters, 68 selfloop transitions, 9 changer transitions 23/104 dead transitions. [2021-03-25 15:23:40,812 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 104 transitions, 1102 flow [2021-03-25 15:23:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 15:23:40,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 15:23:40,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1487 transitions. [2021-03-25 15:23:40,816 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4478915662650602 [2021-03-25 15:23:40,816 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1487 transitions. [2021-03-25 15:23:40,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1487 transitions. [2021-03-25 15:23:40,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:40,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1487 transitions. [2021-03-25 15:23:40,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 148.7) internal successors, (1487), 10 states have internal predecessors, (1487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:40,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 332.0) internal successors, (3652), 11 states have internal predecessors, (3652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:40,824 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 332.0) internal successors, (3652), 11 states have internal predecessors, (3652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:40,824 INFO L185 Difference]: Start difference. First operand has 87 places, 88 transitions, 811 flow. Second operand 10 states and 1487 transitions. [2021-03-25 15:23:40,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 104 transitions, 1102 flow [2021-03-25 15:23:40,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 104 transitions, 1049 flow, removed 10 selfloop flow, removed 8 redundant places. [2021-03-25 15:23:40,830 INFO L241 Difference]: Finished difference. Result has 89 places, 73 transitions, 630 flow [2021-03-25 15:23:40,831 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=745, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=630, PETRI_PLACES=89, PETRI_TRANSITIONS=73} [2021-03-25 15:23:40,831 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 25 predicate places. [2021-03-25 15:23:40,831 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:40,831 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 73 transitions, 630 flow [2021-03-25 15:23:40,831 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 73 transitions, 630 flow [2021-03-25 15:23:40,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 73 transitions, 630 flow [2021-03-25 15:23:40,847 INFO L129 PetriNetUnfolder]: 27/157 cut-off events. [2021-03-25 15:23:40,847 INFO L130 PetriNetUnfolder]: For 447/451 co-relation queries the response was YES. [2021-03-25 15:23:40,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 599 conditions, 157 events. 27/157 cut-off events. For 447/451 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 815 event pairs, 4 based on Foata normal form. 2/156 useless extension candidates. Maximal degree in co-relation 546. Up to 38 conditions per place. [2021-03-25 15:23:40,848 INFO L142 LiptonReduction]: Number of co-enabled transitions 78 [2021-03-25 15:23:40,857 INFO L154 LiptonReduction]: Checked pairs total: 132 [2021-03-25 15:23:40,858 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:40,858 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-03-25 15:23:40,858 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 73 transitions, 630 flow [2021-03-25 15:23:40,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 144.36363636363637) internal successors, (1588), 11 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:40,859 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:40,859 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:40,859 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 15:23:40,859 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]=== [2021-03-25 15:23:40,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:40,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1381064083, now seen corresponding path program 1 times [2021-03-25 15:23:40,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:40,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271385440] [2021-03-25 15:23:40,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:40,943 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-25 15:23:40,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:40,955 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-25 15:23:40,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:40,966 INFO L142 QuantifierPusher]: treesize reduction 13, result has 65.8 percent of original size [2021-03-25 15:23:40,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:40,981 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.0 percent of original size [2021-03-25 15:23:40,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:41,000 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-25 15:23:41,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:23:41,019 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-25 15:23:41,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:41,038 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-03-25 15:23:41,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 15:23:41,062 INFO L142 QuantifierPusher]: treesize reduction 76, result has 36.1 percent of original size [2021-03-25 15:23:41,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 15:23:41,076 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:41,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:41,097 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:41,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:41,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271385440] [2021-03-25 15:23:41,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:41,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 15:23:41,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983026146] [2021-03-25 15:23:41,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 15:23:41,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:41,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 15:23:41,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-25 15:23:41,101 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 332 [2021-03-25 15:23:41,101 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 73 transitions, 630 flow. Second operand has 10 states, 10 states have (on average 145.4) internal successors, (1454), 10 states have internal predecessors, (1454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:41,102 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:41,102 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 332 [2021-03-25 15:23:41,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:41,544 INFO L129 PetriNetUnfolder]: 61/222 cut-off events. [2021-03-25 15:23:41,545 INFO L130 PetriNetUnfolder]: For 807/809 co-relation queries the response was YES. [2021-03-25 15:23:41,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1014 conditions, 222 events. 61/222 cut-off events. For 807/809 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1122 event pairs, 31 based on Foata normal form. 3/222 useless extension candidates. Maximal degree in co-relation 953. Up to 160 conditions per place. [2021-03-25 15:23:41,546 INFO L132 encePairwiseOnDemand]: 319/332 looper letters, 64 selfloop transitions, 16 changer transitions 3/87 dead transitions. [2021-03-25 15:23:41,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 87 transitions, 897 flow [2021-03-25 15:23:41,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 15:23:41,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 15:23:41,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1347 transitions. [2021-03-25 15:23:41,556 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4508032128514056 [2021-03-25 15:23:41,556 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1347 transitions. [2021-03-25 15:23:41,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1347 transitions. [2021-03-25 15:23:41,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:41,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1347 transitions. [2021-03-25 15:23:41,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 149.66666666666666) internal successors, (1347), 9 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:41,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 332.0) internal successors, (3320), 10 states have internal predecessors, (3320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:41,561 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 332.0) internal successors, (3320), 10 states have internal predecessors, (3320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:41,561 INFO L185 Difference]: Start difference. First operand has 79 places, 73 transitions, 630 flow. Second operand 9 states and 1347 transitions. [2021-03-25 15:23:41,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 87 transitions, 897 flow [2021-03-25 15:23:41,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 87 transitions, 837 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-03-25 15:23:41,567 INFO L241 Difference]: Finished difference. Result has 84 places, 77 transitions, 679 flow [2021-03-25 15:23:41,567 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=679, PETRI_PLACES=84, PETRI_TRANSITIONS=77} [2021-03-25 15:23:41,567 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 20 predicate places. [2021-03-25 15:23:41,568 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:41,568 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 77 transitions, 679 flow [2021-03-25 15:23:41,568 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 77 transitions, 679 flow [2021-03-25 15:23:41,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 77 transitions, 679 flow [2021-03-25 15:23:41,583 INFO L129 PetriNetUnfolder]: 26/152 cut-off events. [2021-03-25 15:23:41,583 INFO L130 PetriNetUnfolder]: For 409/413 co-relation queries the response was YES. [2021-03-25 15:23:41,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 588 conditions, 152 events. 26/152 cut-off events. For 409/413 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 766 event pairs, 4 based on Foata normal form. 2/151 useless extension candidates. Maximal degree in co-relation 555. Up to 37 conditions per place. [2021-03-25 15:23:41,584 INFO L142 LiptonReduction]: Number of co-enabled transitions 76 [2021-03-25 15:23:44,269 INFO L154 LiptonReduction]: Checked pairs total: 472 [2021-03-25 15:23:44,269 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 15:23:44,269 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2701 [2021-03-25 15:23:44,269 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 75 transitions, 667 flow [2021-03-25 15:23:44,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 145.4) internal successors, (1454), 10 states have internal predecessors, (1454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:44,270 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:44,270 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:44,270 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 15:23:44,270 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]=== [2021-03-25 15:23:44,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:44,270 INFO L82 PathProgramCache]: Analyzing trace with hash -135885583, now seen corresponding path program 1 times [2021-03-25 15:23:44,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:44,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411130412] [2021-03-25 15:23:44,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:44,347 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.0 percent of original size [2021-03-25 15:23:44,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:44,433 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-25 15:23:44,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:44,445 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.0 percent of original size [2021-03-25 15:23:44,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:44,456 INFO L142 QuantifierPusher]: treesize reduction 25, result has 56.9 percent of original size [2021-03-25 15:23:44,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:44,472 INFO L142 QuantifierPusher]: treesize reduction 25, result has 51.9 percent of original size [2021-03-25 15:23:44,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:23:44,487 INFO L142 QuantifierPusher]: treesize reduction 23, result has 59.6 percent of original size [2021-03-25 15:23:44,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:44,502 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-03-25 15:23:44,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 15:23:44,520 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-25 15:23:44,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:44,531 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-25 15:23:44,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:44,542 INFO L142 QuantifierPusher]: treesize reduction 43, result has 39.4 percent of original size [2021-03-25 15:23:44,543 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 15:23:44,569 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:44,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:44,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:44,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411130412] [2021-03-25 15:23:44,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:44,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 15:23:44,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139723091] [2021-03-25 15:23:44,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 15:23:44,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:44,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 15:23:44,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-25 15:23:44,586 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 334 [2021-03-25 15:23:44,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 75 transitions, 667 flow. Second operand has 11 states, 11 states have (on average 144.36363636363637) internal successors, (1588), 11 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:44,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:44,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 334 [2021-03-25 15:23:44,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:45,017 INFO L129 PetriNetUnfolder]: 59/217 cut-off events. [2021-03-25 15:23:45,018 INFO L130 PetriNetUnfolder]: For 781/783 co-relation queries the response was YES. [2021-03-25 15:23:45,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 989 conditions, 217 events. 59/217 cut-off events. For 781/783 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1076 event pairs, 30 based on Foata normal form. 4/218 useless extension candidates. Maximal degree in co-relation 954. Up to 154 conditions per place. [2021-03-25 15:23:45,019 INFO L132 encePairwiseOnDemand]: 323/334 looper letters, 53 selfloop transitions, 9 changer transitions 17/83 dead transitions. [2021-03-25 15:23:45,019 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 83 transitions, 853 flow [2021-03-25 15:23:45,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 15:23:45,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 15:23:45,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1193 transitions. [2021-03-25 15:23:45,027 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44648203592814373 [2021-03-25 15:23:45,027 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1193 transitions. [2021-03-25 15:23:45,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1193 transitions. [2021-03-25 15:23:45,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:45,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1193 transitions. [2021-03-25 15:23:45,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 149.125) internal successors, (1193), 8 states have internal predecessors, (1193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:45,032 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 334.0) internal successors, (3006), 9 states have internal predecessors, (3006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:45,032 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 334.0) internal successors, (3006), 9 states have internal predecessors, (3006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:45,032 INFO L185 Difference]: Start difference. First operand has 81 places, 75 transitions, 667 flow. Second operand 8 states and 1193 transitions. [2021-03-25 15:23:45,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 83 transitions, 853 flow [2021-03-25 15:23:45,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 83 transitions, 812 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-03-25 15:23:45,039 INFO L241 Difference]: Finished difference. Result has 85 places, 65 transitions, 544 flow [2021-03-25 15:23:45,039 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=619, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=544, PETRI_PLACES=85, PETRI_TRANSITIONS=65} [2021-03-25 15:23:45,039 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 21 predicate places. [2021-03-25 15:23:45,039 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:45,040 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 65 transitions, 544 flow [2021-03-25 15:23:45,040 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 65 transitions, 544 flow [2021-03-25 15:23:45,040 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 65 transitions, 544 flow [2021-03-25 15:23:45,054 INFO L129 PetriNetUnfolder]: 22/135 cut-off events. [2021-03-25 15:23:45,054 INFO L130 PetriNetUnfolder]: For 322/324 co-relation queries the response was YES. [2021-03-25 15:23:45,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 509 conditions, 135 events. 22/135 cut-off events. For 322/324 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 633 event pairs, 4 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 477. Up to 32 conditions per place. [2021-03-25 15:23:45,055 INFO L142 LiptonReduction]: Number of co-enabled transitions 68 [2021-03-25 15:23:45,057 INFO L154 LiptonReduction]: Checked pairs total: 85 [2021-03-25 15:23:45,057 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:45,057 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-25 15:23:45,058 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 65 transitions, 544 flow [2021-03-25 15:23:45,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 144.36363636363637) internal successors, (1588), 11 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:45,058 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:45,059 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:45,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-25 15:23:45,059 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]=== [2021-03-25 15:23:45,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:45,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1768796535, now seen corresponding path program 1 times [2021-03-25 15:23:45,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:45,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811177713] [2021-03-25 15:23:45,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:45,163 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:23:45,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:45,171 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 15:23:45,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:23:45,183 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-25 15:23:45,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:45,203 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size [2021-03-25 15:23:45,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:23:45,211 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-03-25 15:23:45,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:45,227 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.5 percent of original size [2021-03-25 15:23:45,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 15:23:45,259 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-25 15:23:45,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 15:23:45,291 INFO L142 QuantifierPusher]: treesize reduction 14, result has 74.5 percent of original size [2021-03-25 15:23:45,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 15:23:45,323 INFO L142 QuantifierPusher]: treesize reduction 14, result has 74.5 percent of original size [2021-03-25 15:23:45,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 15:23:45,324 INFO L142 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size [2021-03-25 15:23:45,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 15:23:45,355 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:23:45,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:45,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:45,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811177713] [2021-03-25 15:23:45,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:45,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 15:23:45,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313826216] [2021-03-25 15:23:45,372 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 15:23:45,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:45,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 15:23:45,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-25 15:23:45,375 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 334 [2021-03-25 15:23:45,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 65 transitions, 544 flow. Second operand has 11 states, 11 states have (on average 145.45454545454547) internal successors, (1600), 11 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:45,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:45,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 334 [2021-03-25 15:23:45,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:45,931 INFO L129 PetriNetUnfolder]: 49/190 cut-off events. [2021-03-25 15:23:45,931 INFO L130 PetriNetUnfolder]: For 607/607 co-relation queries the response was YES. [2021-03-25 15:23:45,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 840 conditions, 190 events. 49/190 cut-off events. For 607/607 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 896 event pairs, 11 based on Foata normal form. 3/193 useless extension candidates. Maximal degree in co-relation 806. Up to 90 conditions per place. [2021-03-25 15:23:45,932 INFO L132 encePairwiseOnDemand]: 323/334 looper letters, 43 selfloop transitions, 26 changer transitions 6/79 dead transitions. [2021-03-25 15:23:45,933 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 79 transitions, 786 flow [2021-03-25 15:23:45,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 15:23:45,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 15:23:45,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1493 transitions. [2021-03-25 15:23:45,935 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4470059880239521 [2021-03-25 15:23:45,935 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1493 transitions. [2021-03-25 15:23:45,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1493 transitions. [2021-03-25 15:23:45,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:45,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1493 transitions. [2021-03-25 15:23:45,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 149.3) internal successors, (1493), 10 states have internal predecessors, (1493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:45,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 334.0) internal successors, (3674), 11 states have internal predecessors, (3674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:45,940 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 334.0) internal successors, (3674), 11 states have internal predecessors, (3674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:45,940 INFO L185 Difference]: Start difference. First operand has 79 places, 65 transitions, 544 flow. Second operand 10 states and 1493 transitions. [2021-03-25 15:23:45,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 79 transitions, 786 flow [2021-03-25 15:23:45,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 79 transitions, 728 flow, removed 19 selfloop flow, removed 6 redundant places. [2021-03-25 15:23:45,947 INFO L241 Difference]: Finished difference. Result has 81 places, 58 transitions, 493 flow [2021-03-25 15:23:45,948 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=493, PETRI_PLACES=81, PETRI_TRANSITIONS=58} [2021-03-25 15:23:45,948 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 17 predicate places. [2021-03-25 15:23:45,948 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:45,948 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 58 transitions, 493 flow [2021-03-25 15:23:45,948 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 58 transitions, 493 flow [2021-03-25 15:23:45,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 58 transitions, 493 flow [2021-03-25 15:23:45,959 INFO L129 PetriNetUnfolder]: 16/116 cut-off events. [2021-03-25 15:23:45,959 INFO L130 PetriNetUnfolder]: For 287/288 co-relation queries the response was YES. [2021-03-25 15:23:45,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 436 conditions, 116 events. 16/116 cut-off events. For 287/288 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 510 event pairs, 4 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 405. Up to 26 conditions per place. [2021-03-25 15:23:45,960 INFO L142 LiptonReduction]: Number of co-enabled transitions 66 [2021-03-25 15:23:46,090 INFO L154 LiptonReduction]: Checked pairs total: 116 [2021-03-25 15:23:46,090 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 15:23:46,090 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 142 [2021-03-25 15:23:46,091 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 58 transitions, 500 flow [2021-03-25 15:23:46,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 145.45454545454547) internal successors, (1600), 11 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:46,091 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:46,091 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:46,091 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-25 15:23:46,092 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]=== [2021-03-25 15:23:46,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:46,092 INFO L82 PathProgramCache]: Analyzing trace with hash -518973974, now seen corresponding path program 1 times [2021-03-25 15:23:46,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:46,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572465400] [2021-03-25 15:23:46,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:46,176 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.0 percent of original size [2021-03-25 15:23:46,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:46,192 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-25 15:23:46,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:46,206 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-03-25 15:23:46,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:23:46,227 INFO L142 QuantifierPusher]: treesize reduction 25, result has 57.6 percent of original size [2021-03-25 15:23:46,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:46,235 INFO L142 QuantifierPusher]: treesize reduction 25, result has 52.8 percent of original size [2021-03-25 15:23:46,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:23:46,252 INFO L142 QuantifierPusher]: treesize reduction 23, result has 60.3 percent of original size [2021-03-25 15:23:46,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:46,273 INFO L142 QuantifierPusher]: treesize reduction 19, result has 69.4 percent of original size [2021-03-25 15:23:46,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 15:23:46,293 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-03-25 15:23:46,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:46,305 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-25 15:23:46,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:46,326 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-25 15:23:46,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:46,352 INFO L142 QuantifierPusher]: treesize reduction 43, result has 39.4 percent of original size [2021-03-25 15:23:46,352 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 15:23:46,385 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:46,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:46,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:46,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572465400] [2021-03-25 15:23:46,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:46,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 15:23:46,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020840841] [2021-03-25 15:23:46,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 15:23:46,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:46,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 15:23:46,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-25 15:23:46,406 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 335 [2021-03-25 15:23:46,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 58 transitions, 500 flow. Second operand has 11 states, 11 states have (on average 144.45454545454547) internal successors, (1589), 11 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:46,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:46,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 335 [2021-03-25 15:23:46,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:46,929 INFO L129 PetriNetUnfolder]: 45/178 cut-off events. [2021-03-25 15:23:46,929 INFO L130 PetriNetUnfolder]: For 625/625 co-relation queries the response was YES. [2021-03-25 15:23:46,929 INFO L84 FinitePrefix]: Finished finitePrefix Result has 787 conditions, 178 events. 45/178 cut-off events. For 625/625 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 800 event pairs, 21 based on Foata normal form. 2/179 useless extension candidates. Maximal degree in co-relation 754. Up to 87 conditions per place. [2021-03-25 15:23:46,930 INFO L132 encePairwiseOnDemand]: 322/335 looper letters, 46 selfloop transitions, 11 changer transitions 14/75 dead transitions. [2021-03-25 15:23:46,930 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 75 transitions, 737 flow [2021-03-25 15:23:46,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 15:23:46,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 15:23:46,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1479 transitions. [2021-03-25 15:23:46,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44149253731343285 [2021-03-25 15:23:46,932 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1479 transitions. [2021-03-25 15:23:46,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1479 transitions. [2021-03-25 15:23:46,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:46,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1479 transitions. [2021-03-25 15:23:46,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 147.9) internal successors, (1479), 10 states have internal predecessors, (1479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:46,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 335.0) internal successors, (3685), 11 states have internal predecessors, (3685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:46,937 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 335.0) internal successors, (3685), 11 states have internal predecessors, (3685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:46,938 INFO L185 Difference]: Start difference. First operand has 79 places, 58 transitions, 500 flow. Second operand 10 states and 1479 transitions. [2021-03-25 15:23:46,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 75 transitions, 737 flow [2021-03-25 15:23:46,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 75 transitions, 681 flow, removed 16 selfloop flow, removed 7 redundant places. [2021-03-25 15:23:46,942 INFO L241 Difference]: Finished difference. Result has 84 places, 52 transitions, 438 flow [2021-03-25 15:23:46,942 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=335, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=438, PETRI_PLACES=84, PETRI_TRANSITIONS=52} [2021-03-25 15:23:46,942 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 20 predicate places. [2021-03-25 15:23:46,942 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:46,943 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 52 transitions, 438 flow [2021-03-25 15:23:46,943 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 52 transitions, 438 flow [2021-03-25 15:23:46,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 52 transitions, 438 flow [2021-03-25 15:23:46,953 INFO L129 PetriNetUnfolder]: 12/106 cut-off events. [2021-03-25 15:23:46,954 INFO L130 PetriNetUnfolder]: For 239/240 co-relation queries the response was YES. [2021-03-25 15:23:46,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 402 conditions, 106 events. 12/106 cut-off events. For 239/240 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 449 event pairs, 4 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 367. Up to 22 conditions per place. [2021-03-25 15:23:46,954 INFO L142 LiptonReduction]: Number of co-enabled transitions 52 [2021-03-25 15:23:46,963 INFO L154 LiptonReduction]: Checked pairs total: 20 [2021-03-25 15:23:46,963 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:46,963 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-25 15:23:46,964 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 52 transitions, 438 flow [2021-03-25 15:23:46,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 144.45454545454547) internal successors, (1589), 11 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:46,964 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:46,964 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:46,964 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-25 15:23:46,964 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]=== [2021-03-25 15:23:46,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:46,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1369055967, now seen corresponding path program 1 times [2021-03-25 15:23:46,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:46,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120727058] [2021-03-25 15:23:46,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:47,038 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-25 15:23:47,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:47,050 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-25 15:23:47,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:47,062 INFO L142 QuantifierPusher]: treesize reduction 22, result has 63.9 percent of original size [2021-03-25 15:23:47,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:23:47,083 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 15:23:47,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:47,090 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-03-25 15:23:47,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:23:47,109 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-25 15:23:47,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:47,128 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-03-25 15:23:47,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 15:23:47,149 INFO L142 QuantifierPusher]: treesize reduction 16, result has 67.3 percent of original size [2021-03-25 15:23:47,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:47,160 INFO L142 QuantifierPusher]: treesize reduction 43, result has 40.3 percent of original size [2021-03-25 15:23:47,161 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-03-25 15:23:47,193 INFO L142 QuantifierPusher]: treesize reduction 43, result has 39.4 percent of original size [2021-03-25 15:23:47,193 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 15:23:47,225 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:47,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:47,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:47,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120727058] [2021-03-25 15:23:47,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:47,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 15:23:47,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637048596] [2021-03-25 15:23:47,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 15:23:47,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:47,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 15:23:47,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-25 15:23:47,246 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 335 [2021-03-25 15:23:47,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 52 transitions, 438 flow. Second operand has 11 states, 11 states have (on average 144.45454545454547) internal successors, (1589), 11 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:47,246 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:47,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 335 [2021-03-25 15:23:47,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:47,829 INFO L129 PetriNetUnfolder]: 36/148 cut-off events. [2021-03-25 15:23:47,830 INFO L130 PetriNetUnfolder]: For 419/419 co-relation queries the response was YES. [2021-03-25 15:23:47,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 659 conditions, 148 events. 36/148 cut-off events. For 419/419 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 609 event pairs, 22 based on Foata normal form. 1/148 useless extension candidates. Maximal degree in co-relation 628. Up to 83 conditions per place. [2021-03-25 15:23:47,831 INFO L132 encePairwiseOnDemand]: 323/335 looper letters, 28 selfloop transitions, 4 changer transitions 26/62 dead transitions. [2021-03-25 15:23:47,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 62 transitions, 609 flow [2021-03-25 15:23:47,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 15:23:47,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 15:23:47,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1474 transitions. [2021-03-25 15:23:47,834 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44 [2021-03-25 15:23:47,834 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1474 transitions. [2021-03-25 15:23:47,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1474 transitions. [2021-03-25 15:23:47,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:47,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1474 transitions. [2021-03-25 15:23:47,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 147.4) internal successors, (1474), 10 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:47,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 335.0) internal successors, (3685), 11 states have internal predecessors, (3685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:47,839 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 335.0) internal successors, (3685), 11 states have internal predecessors, (3685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:47,839 INFO L185 Difference]: Start difference. First operand has 81 places, 52 transitions, 438 flow. Second operand 10 states and 1474 transitions. [2021-03-25 15:23:47,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 62 transitions, 609 flow [2021-03-25 15:23:47,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 62 transitions, 568 flow, removed 6 selfloop flow, removed 11 redundant places. [2021-03-25 15:23:47,842 INFO L241 Difference]: Finished difference. Result has 79 places, 34 transitions, 258 flow [2021-03-25 15:23:47,842 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=335, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=258, PETRI_PLACES=79, PETRI_TRANSITIONS=34} [2021-03-25 15:23:47,843 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 15 predicate places. [2021-03-25 15:23:47,843 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:47,843 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 34 transitions, 258 flow [2021-03-25 15:23:47,843 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 34 transitions, 258 flow [2021-03-25 15:23:47,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 34 transitions, 258 flow [2021-03-25 15:23:47,852 INFO L129 PetriNetUnfolder]: 7/72 cut-off events. [2021-03-25 15:23:47,852 INFO L130 PetriNetUnfolder]: For 102/103 co-relation queries the response was YES. [2021-03-25 15:23:47,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 72 events. 7/72 cut-off events. For 102/103 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 251 event pairs, 3 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 213. Up to 21 conditions per place. [2021-03-25 15:23:47,852 INFO L142 LiptonReduction]: Number of co-enabled transitions 38 [2021-03-25 15:23:48,168 INFO L154 LiptonReduction]: Checked pairs total: 61 [2021-03-25 15:23:48,169 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 15:23:48,169 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 326 [2021-03-25 15:23:48,170 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 33 transitions, 264 flow [2021-03-25 15:23:48,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 144.45454545454547) internal successors, (1589), 11 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:48,170 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:48,170 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:48,172 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-25 15:23:48,172 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]=== [2021-03-25 15:23:48,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:48,173 INFO L82 PathProgramCache]: Analyzing trace with hash -260755945, now seen corresponding path program 1 times [2021-03-25 15:23:48,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:48,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543862272] [2021-03-25 15:23:48,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:48,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:48,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:23:48,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:48,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 15:23:48,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:48,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 15:23:48,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:48,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:48,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:48,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 15:23:48,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:48,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:23:48,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:48,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543862272] [2021-03-25 15:23:48,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:48,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 15:23:48,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192431495] [2021-03-25 15:23:48,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 15:23:48,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:48,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 15:23:48,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-25 15:23:48,259 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 338 [2021-03-25 15:23:48,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 33 transitions, 264 flow. Second operand has 6 states, 6 states have (on average 160.33333333333334) internal successors, (962), 6 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:48,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:48,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 338 [2021-03-25 15:23:48,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:48,449 INFO L129 PetriNetUnfolder]: 13/84 cut-off events. [2021-03-25 15:23:48,449 INFO L130 PetriNetUnfolder]: For 195/195 co-relation queries the response was YES. [2021-03-25 15:23:48,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 84 events. 13/84 cut-off events. For 195/195 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 284 event pairs, 8 based on Foata normal form. 8/92 useless extension candidates. Maximal degree in co-relation 326. Up to 42 conditions per place. [2021-03-25 15:23:48,450 INFO L132 encePairwiseOnDemand]: 328/338 looper letters, 26 selfloop transitions, 14 changer transitions 0/43 dead transitions. [2021-03-25 15:23:48,450 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 43 transitions, 412 flow [2021-03-25 15:23:48,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 15:23:48,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 15:23:48,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1298 transitions. [2021-03-25 15:23:48,452 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48002958579881655 [2021-03-25 15:23:48,452 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1298 transitions. [2021-03-25 15:23:48,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1298 transitions. [2021-03-25 15:23:48,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:48,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1298 transitions. [2021-03-25 15:23:48,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 162.25) internal successors, (1298), 8 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:48,455 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 338.0) internal successors, (3042), 9 states have internal predecessors, (3042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:48,456 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 338.0) internal successors, (3042), 9 states have internal predecessors, (3042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:48,456 INFO L185 Difference]: Start difference. First operand has 61 places, 33 transitions, 264 flow. Second operand 8 states and 1298 transitions. [2021-03-25 15:23:48,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 43 transitions, 412 flow [2021-03-25 15:23:48,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 43 transitions, 327 flow, removed 20 selfloop flow, removed 18 redundant places. [2021-03-25 15:23:48,458 INFO L241 Difference]: Finished difference. Result has 53 places, 38 transitions, 281 flow [2021-03-25 15:23:48,458 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=281, PETRI_PLACES=53, PETRI_TRANSITIONS=38} [2021-03-25 15:23:48,459 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -11 predicate places. [2021-03-25 15:23:48,459 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:48,459 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 38 transitions, 281 flow [2021-03-25 15:23:48,459 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 38 transitions, 281 flow [2021-03-25 15:23:48,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 38 transitions, 281 flow [2021-03-25 15:23:48,465 INFO L129 PetriNetUnfolder]: 7/72 cut-off events. [2021-03-25 15:23:48,465 INFO L130 PetriNetUnfolder]: For 111/111 co-relation queries the response was YES. [2021-03-25 15:23:48,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 72 events. 7/72 cut-off events. For 111/111 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 249 event pairs, 3 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 129. Up to 21 conditions per place. [2021-03-25 15:23:48,466 INFO L142 LiptonReduction]: Number of co-enabled transitions 20 [2021-03-25 15:23:48,544 INFO L154 LiptonReduction]: Checked pairs total: 48 [2021-03-25 15:23:48,544 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 15:23:48,545 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 85 [2021-03-25 15:23:48,545 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 38 transitions, 281 flow [2021-03-25 15:23:48,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 160.33333333333334) internal successors, (962), 6 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:48,545 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:48,545 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:48,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-25 15:23:48,545 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]=== [2021-03-25 15:23:48,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:48,546 INFO L82 PathProgramCache]: Analyzing trace with hash -121824206, now seen corresponding path program 1 times [2021-03-25 15:23:48,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:48,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071625222] [2021-03-25 15:23:48,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:48,637 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-25 15:23:48,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:48,655 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-25 15:23:48,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:48,670 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-03-25 15:23:48,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:23:48,689 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-25 15:23:48,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:48,708 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-25 15:23:48,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:48,728 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-25 15:23:48,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:48,750 INFO L142 QuantifierPusher]: treesize reduction 46, result has 35.2 percent of original size [2021-03-25 15:23:48,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:48,780 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-25 15:23:48,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:23:48,802 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:48,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:48,820 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:48,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:48,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:48,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071625222] [2021-03-25 15:23:48,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:48,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 15:23:48,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986576115] [2021-03-25 15:23:48,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 15:23:48,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:48,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 15:23:48,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-25 15:23:48,824 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 339 [2021-03-25 15:23:48,825 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 38 transitions, 281 flow. Second operand has 11 states, 11 states have (on average 144.27272727272728) internal successors, (1587), 11 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:48,825 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:48,825 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 339 [2021-03-25 15:23:48,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:49,299 INFO L129 PetriNetUnfolder]: 14/93 cut-off events. [2021-03-25 15:23:49,299 INFO L130 PetriNetUnfolder]: For 203/203 co-relation queries the response was YES. [2021-03-25 15:23:49,300 INFO L84 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 93 events. 14/93 cut-off events. For 203/203 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 355 event pairs, 1 based on Foata normal form. 1/94 useless extension candidates. Maximal degree in co-relation 234. Up to 40 conditions per place. [2021-03-25 15:23:49,300 INFO L132 encePairwiseOnDemand]: 327/339 looper letters, 31 selfloop transitions, 11 changer transitions 6/52 dead transitions. [2021-03-25 15:23:49,300 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 52 transitions, 465 flow [2021-03-25 15:23:49,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 15:23:49,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 15:23:49,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1326 transitions. [2021-03-25 15:23:49,302 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43461160275319566 [2021-03-25 15:23:49,302 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1326 transitions. [2021-03-25 15:23:49,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1326 transitions. [2021-03-25 15:23:49,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:49,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1326 transitions. [2021-03-25 15:23:49,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 147.33333333333334) internal successors, (1326), 9 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:49,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 339.0) internal successors, (3390), 10 states have internal predecessors, (3390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:49,306 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 339.0) internal successors, (3390), 10 states have internal predecessors, (3390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:49,307 INFO L185 Difference]: Start difference. First operand has 53 places, 38 transitions, 281 flow. Second operand 9 states and 1326 transitions. [2021-03-25 15:23:49,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 52 transitions, 465 flow [2021-03-25 15:23:49,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 52 transitions, 450 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-25 15:23:49,309 INFO L241 Difference]: Finished difference. Result has 63 places, 41 transitions, 337 flow [2021-03-25 15:23:49,309 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=337, PETRI_PLACES=63, PETRI_TRANSITIONS=41} [2021-03-25 15:23:49,309 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -1 predicate places. [2021-03-25 15:23:49,309 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:49,309 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 41 transitions, 337 flow [2021-03-25 15:23:49,310 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 41 transitions, 337 flow [2021-03-25 15:23:49,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 41 transitions, 337 flow [2021-03-25 15:23:49,317 INFO L129 PetriNetUnfolder]: 7/70 cut-off events. [2021-03-25 15:23:49,317 INFO L130 PetriNetUnfolder]: For 167/167 co-relation queries the response was YES. [2021-03-25 15:23:49,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 265 conditions, 70 events. 7/70 cut-off events. For 167/167 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 250 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 244. Up to 22 conditions per place. [2021-03-25 15:23:49,317 INFO L142 LiptonReduction]: Number of co-enabled transitions 18 [2021-03-25 15:23:49,458 INFO L154 LiptonReduction]: Checked pairs total: 66 [2021-03-25 15:23:49,458 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 15:23:49,459 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 150 [2021-03-25 15:23:49,459 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 40 transitions, 335 flow [2021-03-25 15:23:49,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 144.27272727272728) internal successors, (1587), 11 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:49,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:49,460 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:49,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-25 15:23:49,460 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]=== [2021-03-25 15:23:49,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:49,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1739238089, now seen corresponding path program 1 times [2021-03-25 15:23:49,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:49,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861145934] [2021-03-25 15:23:49,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:49,525 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-25 15:23:49,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:49,537 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-25 15:23:49,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:49,550 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-03-25 15:23:49,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:23:49,569 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-25 15:23:49,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:23:49,587 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-25 15:23:49,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:49,606 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-25 15:23:49,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:49,623 INFO L142 QuantifierPusher]: treesize reduction 46, result has 35.2 percent of original size [2021-03-25 15:23:49,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:49,651 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:49,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:49,665 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:49,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:49,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:49,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861145934] [2021-03-25 15:23:49,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:49,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 15:23:49,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257638497] [2021-03-25 15:23:49,666 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 15:23:49,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:49,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 15:23:49,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-25 15:23:49,669 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 341 [2021-03-25 15:23:49,670 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 40 transitions, 335 flow. Second operand has 10 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) [2021-03-25 15:23:49,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:49,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 341 [2021-03-25 15:23:49,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:50,019 INFO L129 PetriNetUnfolder]: 10/73 cut-off events. [2021-03-25 15:23:50,019 INFO L130 PetriNetUnfolder]: For 236/237 co-relation queries the response was YES. [2021-03-25 15:23:50,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 73 events. 10/73 cut-off events. For 236/237 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 245 event pairs, 6 based on Foata normal form. 1/73 useless extension candidates. Maximal degree in co-relation 326. Up to 46 conditions per place. [2021-03-25 15:23:50,019 INFO L132 encePairwiseOnDemand]: 330/341 looper letters, 26 selfloop transitions, 6 changer transitions 7/43 dead transitions. [2021-03-25 15:23:50,019 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 43 transitions, 431 flow [2021-03-25 15:23:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 15:23:50,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 15:23:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1318 transitions. [2021-03-25 15:23:50,021 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42945584881068755 [2021-03-25 15:23:50,021 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1318 transitions. [2021-03-25 15:23:50,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1318 transitions. [2021-03-25 15:23:50,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:50,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1318 transitions. [2021-03-25 15:23:50,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 146.44444444444446) internal successors, (1318), 9 states have internal predecessors, (1318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:50,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 341.0) internal successors, (3410), 10 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:50,025 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 341.0) internal successors, (3410), 10 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:50,025 INFO L185 Difference]: Start difference. First operand has 59 places, 40 transitions, 335 flow. Second operand 9 states and 1318 transitions. [2021-03-25 15:23:50,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 43 transitions, 431 flow [2021-03-25 15:23:50,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 43 transitions, 400 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-25 15:23:50,027 INFO L241 Difference]: Finished difference. Result has 62 places, 36 transitions, 281 flow [2021-03-25 15:23:50,028 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=299, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=281, PETRI_PLACES=62, PETRI_TRANSITIONS=36} [2021-03-25 15:23:50,028 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -2 predicate places. [2021-03-25 15:23:50,028 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:50,028 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 36 transitions, 281 flow [2021-03-25 15:23:50,028 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 36 transitions, 281 flow [2021-03-25 15:23:50,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 36 transitions, 281 flow [2021-03-25 15:23:50,034 INFO L129 PetriNetUnfolder]: 6/57 cut-off events. [2021-03-25 15:23:50,034 INFO L130 PetriNetUnfolder]: For 113/113 co-relation queries the response was YES. [2021-03-25 15:23:50,034 INFO L84 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 57 events. 6/57 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 157 event pairs, 2 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 113. Up to 17 conditions per place. [2021-03-25 15:23:50,035 INFO L142 LiptonReduction]: Number of co-enabled transitions 10 [2021-03-25 15:23:50,035 INFO L154 LiptonReduction]: Checked pairs total: 24 [2021-03-25 15:23:50,036 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:50,036 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-25 15:23:50,036 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 36 transitions, 281 flow [2021-03-25 15:23:50,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 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) [2021-03-25 15:23:50,036 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:50,036 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:50,037 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-25 15:23:50,037 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]=== [2021-03-25 15:23:50,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:50,037 INFO L82 PathProgramCache]: Analyzing trace with hash -174988272, now seen corresponding path program 1 times [2021-03-25 15:23:50,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:50,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622991622] [2021-03-25 15:23:50,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:50,099 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-25 15:23:50,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:50,111 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-25 15:23:50,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:50,123 INFO L142 QuantifierPusher]: treesize reduction 13, result has 65.8 percent of original size [2021-03-25 15:23:50,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:50,138 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-25 15:23:50,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:23:50,158 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-25 15:23:50,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:50,178 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-03-25 15:23:50,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 15:23:50,199 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-25 15:23:50,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:50,209 INFO L142 QuantifierPusher]: treesize reduction 46, result has 35.2 percent of original size [2021-03-25 15:23:50,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:50,235 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:50,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:50,248 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:50,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:50,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:50,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622991622] [2021-03-25 15:23:50,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:50,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 15:23:50,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054839314] [2021-03-25 15:23:50,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 15:23:50,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:50,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 15:23:50,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-25 15:23:50,252 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 341 [2021-03-25 15:23:50,252 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 36 transitions, 281 flow. Second operand has 10 states, 10 states have (on average 144.4) internal successors, (1444), 10 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:50,252 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:50,252 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 341 [2021-03-25 15:23:50,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:50,620 INFO L129 PetriNetUnfolder]: 9/63 cut-off events. [2021-03-25 15:23:50,620 INFO L130 PetriNetUnfolder]: For 168/169 co-relation queries the response was YES. [2021-03-25 15:23:50,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 63 events. 9/63 cut-off events. For 168/169 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 184 event pairs, 6 based on Foata normal form. 1/63 useless extension candidates. Maximal degree in co-relation 149. Up to 38 conditions per place. [2021-03-25 15:23:50,620 INFO L132 encePairwiseOnDemand]: 331/341 looper letters, 23 selfloop transitions, 4 changer transitions 9/40 dead transitions. [2021-03-25 15:23:50,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 40 transitions, 377 flow [2021-03-25 15:23:50,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 15:23:50,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 15:23:50,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1317 transitions. [2021-03-25 15:23:50,622 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4291300097751711 [2021-03-25 15:23:50,622 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1317 transitions. [2021-03-25 15:23:50,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1317 transitions. [2021-03-25 15:23:50,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:50,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1317 transitions. [2021-03-25 15:23:50,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 146.33333333333334) internal successors, (1317), 9 states have internal predecessors, (1317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:50,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 341.0) internal successors, (3410), 10 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:50,626 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 341.0) internal successors, (3410), 10 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:50,626 INFO L185 Difference]: Start difference. First operand has 55 places, 36 transitions, 281 flow. Second operand 9 states and 1317 transitions. [2021-03-25 15:23:50,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 40 transitions, 377 flow [2021-03-25 15:23:50,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 40 transitions, 359 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-03-25 15:23:50,628 INFO L241 Difference]: Finished difference. Result has 60 places, 31 transitions, 231 flow [2021-03-25 15:23:50,628 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=231, PETRI_PLACES=60, PETRI_TRANSITIONS=31} [2021-03-25 15:23:50,628 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -4 predicate places. [2021-03-25 15:23:50,628 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:50,628 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 31 transitions, 231 flow [2021-03-25 15:23:50,628 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 31 transitions, 231 flow [2021-03-25 15:23:50,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 31 transitions, 231 flow [2021-03-25 15:23:50,633 INFO L129 PetriNetUnfolder]: 5/45 cut-off events. [2021-03-25 15:23:50,633 INFO L130 PetriNetUnfolder]: For 98/98 co-relation queries the response was YES. [2021-03-25 15:23:50,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 45 events. 5/45 cut-off events. For 98/98 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 102 event pairs, 2 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 140. Up to 15 conditions per place. [2021-03-25 15:23:50,634 INFO L142 LiptonReduction]: Number of co-enabled transitions 10 [2021-03-25 15:23:51,229 INFO L154 LiptonReduction]: Checked pairs total: 60 [2021-03-25 15:23:51,230 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 15:23:51,230 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 602 [2021-03-25 15:23:51,230 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 29 transitions, 224 flow [2021-03-25 15:23:51,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 144.4) internal successors, (1444), 10 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:51,230 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:51,230 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:51,231 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-25 15:23:51,231 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]=== [2021-03-25 15:23:51,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:51,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1239556568, now seen corresponding path program 1 times [2021-03-25 15:23:51,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:51,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452081771] [2021-03-25 15:23:51,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:51,294 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-25 15:23:51,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:51,307 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-25 15:23:51,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:51,321 INFO L142 QuantifierPusher]: treesize reduction 22, result has 63.9 percent of original size [2021-03-25 15:23:51,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:23:51,340 INFO L142 QuantifierPusher]: treesize reduction 22, result has 63.3 percent of original size [2021-03-25 15:23:51,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 15:23:51,362 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-25 15:23:51,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:23:51,382 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-25 15:23:51,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:51,403 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-25 15:23:51,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:51,426 INFO L142 QuantifierPusher]: treesize reduction 46, result has 35.2 percent of original size [2021-03-25 15:23:51,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:51,457 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:51,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:51,475 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:51,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:51,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:51,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452081771] [2021-03-25 15:23:51,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:51,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 15:23:51,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883394944] [2021-03-25 15:23:51,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 15:23:51,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:51,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 15:23:51,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-25 15:23:51,478 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 344 [2021-03-25 15:23:51,479 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 29 transitions, 224 flow. Second operand has 11 states, 11 states have (on average 144.27272727272728) internal successors, (1587), 11 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:51,479 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:51,479 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 344 [2021-03-25 15:23:51,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:51,883 INFO L129 PetriNetUnfolder]: 9/49 cut-off events. [2021-03-25 15:23:51,883 INFO L130 PetriNetUnfolder]: For 142/143 co-relation queries the response was YES. [2021-03-25 15:23:51,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 49 events. 9/49 cut-off events. For 142/143 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 124 event pairs, 6 based on Foata normal form. 1/49 useless extension candidates. Maximal degree in co-relation 196. Up to 30 conditions per place. [2021-03-25 15:23:51,884 INFO L132 encePairwiseOnDemand]: 335/344 looper letters, 16 selfloop transitions, 2 changer transitions 8/30 dead transitions. [2021-03-25 15:23:51,884 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 30 transitions, 277 flow [2021-03-25 15:23:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 15:23:51,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 15:23:51,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1311 transitions. [2021-03-25 15:23:51,885 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42344961240310075 [2021-03-25 15:23:51,885 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1311 transitions. [2021-03-25 15:23:51,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1311 transitions. [2021-03-25 15:23:51,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:51,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1311 transitions. [2021-03-25 15:23:51,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 145.66666666666666) internal successors, (1311), 9 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:51,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 344.0) internal successors, (3440), 10 states have internal predecessors, (3440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:51,889 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 344.0) internal successors, (3440), 10 states have internal predecessors, (3440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:51,890 INFO L185 Difference]: Start difference. First operand has 50 places, 29 transitions, 224 flow. Second operand 9 states and 1311 transitions. [2021-03-25 15:23:51,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 30 transitions, 277 flow [2021-03-25 15:23:51,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 30 transitions, 235 flow, removed 11 selfloop flow, removed 10 redundant places. [2021-03-25 15:23:51,891 INFO L241 Difference]: Finished difference. Result has 49 places, 22 transitions, 141 flow [2021-03-25 15:23:51,891 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=141, PETRI_PLACES=49, PETRI_TRANSITIONS=22} [2021-03-25 15:23:51,892 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -15 predicate places. [2021-03-25 15:23:51,892 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:51,892 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 22 transitions, 141 flow [2021-03-25 15:23:51,892 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 22 transitions, 141 flow [2021-03-25 15:23:51,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 22 transitions, 141 flow [2021-03-25 15:23:51,896 INFO L129 PetriNetUnfolder]: 5/32 cut-off events. [2021-03-25 15:23:51,896 INFO L130 PetriNetUnfolder]: For 54/54 co-relation queries the response was YES. [2021-03-25 15:23:51,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 32 events. 5/32 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 59 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 84. Up to 10 conditions per place. [2021-03-25 15:23:51,896 INFO L142 LiptonReduction]: Number of co-enabled transitions 10 [2021-03-25 15:23:51,897 INFO L154 LiptonReduction]: Checked pairs total: 18 [2021-03-25 15:23:51,897 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:51,897 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-03-25 15:23:51,897 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 22 transitions, 141 flow [2021-03-25 15:23:51,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 144.27272727272728) internal successors, (1587), 11 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:51,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:51,898 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:51,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-25 15:23:51,898 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]=== [2021-03-25 15:23:51,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:51,898 INFO L82 PathProgramCache]: Analyzing trace with hash 442253485, now seen corresponding path program 1 times [2021-03-25 15:23:51,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:51,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108739431] [2021-03-25 15:23:51,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:51,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:51,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 15:23:51,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:51,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 15:23:51,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:51,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:23:51,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:51,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:23:51,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:51,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:23:51,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:51,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 15:23:51,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:51,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:51,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:51,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:52,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:52,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:52,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:52,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 15:23:52,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:23:52,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:23:52,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:52,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108739431] [2021-03-25 15:23:52,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:52,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 15:23:52,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37533144] [2021-03-25 15:23:52,020 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 15:23:52,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:52,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 15:23:52,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-25 15:23:52,022 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 344 [2021-03-25 15:23:52,023 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 22 transitions, 141 flow. Second operand has 9 states, 9 states have (on average 150.33333333333334) internal successors, (1353), 9 states have internal predecessors, (1353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:52,023 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:52,023 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 344 [2021-03-25 15:23:52,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:52,193 INFO L129 PetriNetUnfolder]: 8/39 cut-off events. [2021-03-25 15:23:52,193 INFO L130 PetriNetUnfolder]: For 92/92 co-relation queries the response was YES. [2021-03-25 15:23:52,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 39 events. 8/39 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 77 event pairs, 2 based on Foata normal form. 1/40 useless extension candidates. Maximal degree in co-relation 139. Up to 19 conditions per place. [2021-03-25 15:23:52,193 INFO L132 encePairwiseOnDemand]: 335/344 looper letters, 10 selfloop transitions, 10 changer transitions 2/24 dead transitions. [2021-03-25 15:23:52,193 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 24 transitions, 197 flow [2021-03-25 15:23:52,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 15:23:52,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 15:23:52,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1212 transitions. [2021-03-25 15:23:52,195 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44040697674418605 [2021-03-25 15:23:52,195 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1212 transitions. [2021-03-25 15:23:52,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1212 transitions. [2021-03-25 15:23:52,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:52,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1212 transitions. [2021-03-25 15:23:52,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 151.5) internal successors, (1212), 8 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:52,197 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) [2021-03-25 15:23:52,197 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) [2021-03-25 15:23:52,197 INFO L185 Difference]: Start difference. First operand has 39 places, 22 transitions, 141 flow. Second operand 8 states and 1212 transitions. [2021-03-25 15:23:52,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 24 transitions, 197 flow [2021-03-25 15:23:52,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 24 transitions, 154 flow, removed 10 selfloop flow, removed 10 redundant places. [2021-03-25 15:23:52,198 INFO L241 Difference]: Finished difference. Result has 36 places, 21 transitions, 119 flow [2021-03-25 15:23:52,198 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=119, PETRI_PLACES=36, PETRI_TRANSITIONS=21} [2021-03-25 15:23:52,199 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -28 predicate places. [2021-03-25 15:23:52,199 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:52,199 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 21 transitions, 119 flow [2021-03-25 15:23:52,199 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 21 transitions, 119 flow [2021-03-25 15:23:52,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 21 transitions, 119 flow [2021-03-25 15:23:52,202 INFO L129 PetriNetUnfolder]: 4/31 cut-off events. [2021-03-25 15:23:52,203 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2021-03-25 15:23:52,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 31 events. 4/31 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 53 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 46. Up to 10 conditions per place. [2021-03-25 15:23:52,203 INFO L142 LiptonReduction]: Number of co-enabled transitions 10 [2021-03-25 15:23:52,203 INFO L154 LiptonReduction]: Checked pairs total: 18 [2021-03-25 15:23:52,203 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:52,204 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-03-25 15:23:52,204 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 21 transitions, 119 flow [2021-03-25 15:23:52,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 150.33333333333334) internal successors, (1353), 9 states have internal predecessors, (1353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:52,204 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:52,204 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:52,204 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-25 15:23:52,204 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]=== [2021-03-25 15:23:52,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:52,205 INFO L82 PathProgramCache]: Analyzing trace with hash 231214251, now seen corresponding path program 1 times [2021-03-25 15:23:52,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:52,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277343680] [2021-03-25 15:23:52,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:52,271 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.9 percent of original size [2021-03-25 15:23:52,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 15:23:52,300 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.1 percent of original size [2021-03-25 15:23:52,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 15:23:52,329 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 15:23:52,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:52,344 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-25 15:23:52,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:52,361 INFO L142 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size [2021-03-25 15:23:52,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:52,388 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-03-25 15:23:52,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:52,416 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 15:23:52,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:52,432 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 15:23:52,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:52,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:52,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277343680] [2021-03-25 15:23:52,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:52,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 15:23:52,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837612429] [2021-03-25 15:23:52,433 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 15:23:52,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:52,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 15:23:52,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-25 15:23:52,435 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 344 [2021-03-25 15:23:52,436 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 21 transitions, 119 flow. Second operand has 9 states, 9 states have (on average 153.22222222222223) internal successors, (1379), 9 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:52,436 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:52,436 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 344 [2021-03-25 15:23:52,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:52,795 INFO L129 PetriNetUnfolder]: 11/55 cut-off events. [2021-03-25 15:23:52,795 INFO L130 PetriNetUnfolder]: For 101/102 co-relation queries the response was YES. [2021-03-25 15:23:52,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 55 events. 11/55 cut-off events. For 101/102 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 167 event pairs, 3 based on Foata normal form. 2/57 useless extension candidates. Maximal degree in co-relation 81. Up to 21 conditions per place. [2021-03-25 15:23:52,796 INFO L132 encePairwiseOnDemand]: 334/344 looper letters, 10 selfloop transitions, 7 changer transitions 13/33 dead transitions. [2021-03-25 15:23:52,796 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 33 transitions, 247 flow [2021-03-25 15:23:52,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 15:23:52,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 15:23:52,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1396 transitions. [2021-03-25 15:23:52,798 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4509043927648579 [2021-03-25 15:23:52,798 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1396 transitions. [2021-03-25 15:23:52,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1396 transitions. [2021-03-25 15:23:52,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:52,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1396 transitions. [2021-03-25 15:23:52,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 155.11111111111111) internal successors, (1396), 9 states have internal predecessors, (1396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:52,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 344.0) internal successors, (3440), 10 states have internal predecessors, (3440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:52,802 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 344.0) internal successors, (3440), 10 states have internal predecessors, (3440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:52,802 INFO L185 Difference]: Start difference. First operand has 36 places, 21 transitions, 119 flow. Second operand 9 states and 1396 transitions. [2021-03-25 15:23:52,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 33 transitions, 247 flow [2021-03-25 15:23:52,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 33 transitions, 219 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-03-25 15:23:52,803 INFO L241 Difference]: Finished difference. Result has 40 places, 20 transitions, 120 flow [2021-03-25 15:23:52,803 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=120, PETRI_PLACES=40, PETRI_TRANSITIONS=20} [2021-03-25 15:23:52,803 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -24 predicate places. [2021-03-25 15:23:52,803 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:52,804 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 20 transitions, 120 flow [2021-03-25 15:23:52,804 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 20 transitions, 120 flow [2021-03-25 15:23:52,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 20 transitions, 120 flow [2021-03-25 15:23:52,807 INFO L129 PetriNetUnfolder]: 2/24 cut-off events. [2021-03-25 15:23:52,807 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2021-03-25 15:23:52,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 24 events. 2/24 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2021-03-25 15:23:52,807 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 15:23:52,934 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 15:23:52,934 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 15:23:52,934 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 131 [2021-03-25 15:23:52,935 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 19 transitions, 122 flow [2021-03-25 15:23:52,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 153.22222222222223) internal successors, (1379), 9 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:52,935 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:52,935 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:52,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-25 15:23:52,935 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]=== [2021-03-25 15:23:52,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:52,936 INFO L82 PathProgramCache]: Analyzing trace with hash 441329995, now seen corresponding path program 2 times [2021-03-25 15:23:52,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:52,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708998055] [2021-03-25 15:23:52,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:52,993 INFO L142 QuantifierPusher]: treesize reduction 16, result has 78.1 percent of original size [2021-03-25 15:23:52,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 15:23:53,027 INFO L142 QuantifierPusher]: treesize reduction 16, result has 75.4 percent of original size [2021-03-25 15:23:53,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 15:23:53,057 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-25 15:23:53,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:53,074 INFO L142 QuantifierPusher]: treesize reduction 16, result has 67.3 percent of original size [2021-03-25 15:23:53,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:53,091 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-25 15:23:53,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:53,109 INFO L142 QuantifierPusher]: treesize reduction 46, result has 35.2 percent of original size [2021-03-25 15:23:53,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:53,138 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:53,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:53,155 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:53,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:53,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:53,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708998055] [2021-03-25 15:23:53,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:53,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 15:23:53,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166029544] [2021-03-25 15:23:53,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 15:23:53,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:53,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 15:23:53,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-25 15:23:53,158 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 347 [2021-03-25 15:23:53,158 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 19 transitions, 122 flow. Second operand has 9 states, 9 states have (on average 153.22222222222223) internal successors, (1379), 9 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:53,158 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:53,158 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 347 [2021-03-25 15:23:53,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:53,481 INFO L129 PetriNetUnfolder]: 1/25 cut-off events. [2021-03-25 15:23:53,481 INFO L130 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2021-03-25 15:23:53,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 25 events. 1/25 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 1/26 useless extension candidates. Maximal degree in co-relation 94. Up to 7 conditions per place. [2021-03-25 15:23:53,482 INFO L132 encePairwiseOnDemand]: 337/347 looper letters, 6 selfloop transitions, 4 changer transitions 8/21 dead transitions. [2021-03-25 15:23:53,482 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 21 transitions, 174 flow [2021-03-25 15:23:53,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 15:23:53,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 15:23:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1234 transitions. [2021-03-25 15:23:53,484 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44452449567723346 [2021-03-25 15:23:53,484 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1234 transitions. [2021-03-25 15:23:53,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1234 transitions. [2021-03-25 15:23:53,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:53,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1234 transitions. [2021-03-25 15:23:53,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 154.25) internal successors, (1234), 8 states have internal predecessors, (1234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:53,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 347.0) internal successors, (3123), 9 states have internal predecessors, (3123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:53,486 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 347.0) internal successors, (3123), 9 states have internal predecessors, (3123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:53,486 INFO L185 Difference]: Start difference. First operand has 36 places, 19 transitions, 122 flow. Second operand 8 states and 1234 transitions. [2021-03-25 15:23:53,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 21 transitions, 174 flow [2021-03-25 15:23:53,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 21 transitions, 125 flow, removed 10 selfloop flow, removed 10 redundant places. [2021-03-25 15:23:53,487 INFO L241 Difference]: Finished difference. Result has 35 places, 13 transitions, 58 flow [2021-03-25 15:23:53,487 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=347, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=58, PETRI_PLACES=35, PETRI_TRANSITIONS=13} [2021-03-25 15:23:53,488 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -29 predicate places. [2021-03-25 15:23:53,488 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:53,488 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 13 transitions, 58 flow [2021-03-25 15:23:53,488 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 13 transitions, 58 flow [2021-03-25 15:23:53,488 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 13 transitions, 58 flow [2021-03-25 15:23:53,490 INFO L129 PetriNetUnfolder]: 0/13 cut-off events. [2021-03-25 15:23:53,491 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-25 15:23:53,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 13 events. 0/13 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/13 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 15:23:53,491 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 15:23:53,912 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-25 15:23:53,998 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 15:23:53,999 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 15:23:53,999 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 511 [2021-03-25 15:23:54,000 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 11 transitions, 52 flow [2021-03-25 15:23:54,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 153.22222222222223) internal successors, (1379), 9 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:54,000 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:54,000 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:54,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-25 15:23:54,001 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]=== [2021-03-25 15:23:54,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:54,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1587820260, now seen corresponding path program 1 times [2021-03-25 15:23:54,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:54,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060689682] [2021-03-25 15:23:54,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:54,076 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.6 percent of original size [2021-03-25 15:23:54,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 15:23:54,108 INFO L142 QuantifierPusher]: treesize reduction 12, result has 81.5 percent of original size [2021-03-25 15:23:54,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 15:23:54,142 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-25 15:23:54,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:54,160 INFO L142 QuantifierPusher]: treesize reduction 16, result has 67.3 percent of original size [2021-03-25 15:23:54,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:54,179 INFO L142 QuantifierPusher]: treesize reduction 46, result has 36.1 percent of original size [2021-03-25 15:23:54,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:54,209 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-03-25 15:23:54,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 15:23:54,224 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:54,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:54,240 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:54,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:54,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:54,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060689682] [2021-03-25 15:23:54,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:54,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 15:23:54,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993601177] [2021-03-25 15:23:54,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 15:23:54,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:54,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 15:23:54,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-25 15:23:54,243 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 349 [2021-03-25 15:23:54,244 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 11 transitions, 52 flow. Second operand has 9 states, 9 states have (on average 153.11111111111111) internal successors, (1378), 9 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:54,244 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:54,244 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 349 [2021-03-25 15:23:54,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:54,413 INFO L129 PetriNetUnfolder]: 0/10 cut-off events. [2021-03-25 15:23:54,414 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-03-25 15:23:54,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 10 events. 0/10 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 1/11 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 15:23:54,414 INFO L132 encePairwiseOnDemand]: 344/349 looper letters, 0 selfloop transitions, 0 changer transitions 10/10 dead transitions. [2021-03-25 15:23:54,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 10 transitions, 61 flow [2021-03-25 15:23:54,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 15:23:54,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 15:23:54,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 920 transitions. [2021-03-25 15:23:54,415 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4393505253104107 [2021-03-25 15:23:54,415 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 920 transitions. [2021-03-25 15:23:54,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 920 transitions. [2021-03-25 15:23:54,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:54,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 920 transitions. [2021-03-25 15:23:54,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 153.33333333333334) internal successors, (920), 6 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:54,418 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 349.0) internal successors, (2443), 7 states have internal predecessors, (2443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:54,418 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 349.0) internal successors, (2443), 7 states have internal predecessors, (2443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:54,418 INFO L185 Difference]: Start difference. First operand has 26 places, 11 transitions, 52 flow. Second operand 6 states and 920 transitions. [2021-03-25 15:23:54,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 10 transitions, 61 flow [2021-03-25 15:23:54,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 10 transitions, 35 flow, removed 4 selfloop flow, removed 12 redundant places. [2021-03-25 15:23:54,419 INFO L241 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2021-03-25 15:23:54,419 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=21, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2021-03-25 15:23:54,419 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -46 predicate places. [2021-03-25 15:23:54,419 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:54,419 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 18 places, 0 transitions, 0 flow [2021-03-25 15:23:54,419 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 18 places, 0 transitions, 0 flow [2021-03-25 15:23:54,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-25 15:23:54,420 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-25 15:23:54,420 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 15:23:54,420 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. [2021-03-25 15:23:54,420 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 15:23:54,420 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 15:23:54,420 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:54,420 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-25 15:23:54,420 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-25 15:23:54,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 153.11111111111111) internal successors, (1378), 9 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:54,422 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-25 15:23:54,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 03:23:54 BasicIcfg [2021-03-25 15:23:54,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 15:23:54,427 INFO L168 Benchmark]: Toolchain (without parser) took 145547.65 ms. Allocated memory was 255.9 MB in the beginning and 497.0 MB in the end (delta: 241.2 MB). Free memory was 232.8 MB in the beginning and 398.3 MB in the end (delta: -165.6 MB). Peak memory consumption was 75.2 MB. Max. memory is 16.0 GB. [2021-03-25 15:23:54,427 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 15:23:54,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 831.58 ms. Allocated memory was 255.9 MB in the beginning and 343.9 MB in the end (delta: 88.1 MB). Free memory was 232.8 MB in the beginning and 255.3 MB in the end (delta: -22.5 MB). Peak memory consumption was 65.1 MB. Max. memory is 16.0 GB. [2021-03-25 15:23:54,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.66 ms. Allocated memory is still 343.9 MB. Free memory was 255.3 MB in the beginning and 252.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 15:23:54,427 INFO L168 Benchmark]: Boogie Preprocessor took 35.62 ms. Allocated memory is still 343.9 MB. Free memory was 252.2 MB in the beginning and 250.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 15:23:54,427 INFO L168 Benchmark]: RCFGBuilder took 646.60 ms. Allocated memory is still 343.9 MB. Free memory was 250.1 MB in the beginning and 279.5 MB in the end (delta: -29.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-03-25 15:23:54,427 INFO L168 Benchmark]: TraceAbstraction took 143964.83 ms. Allocated memory was 343.9 MB in the beginning and 497.0 MB in the end (delta: 153.1 MB). Free memory was 278.4 MB in the beginning and 398.3 MB in the end (delta: -119.9 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.0 GB. [2021-03-25 15:23:54,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 831.58 ms. Allocated memory was 255.9 MB in the beginning and 343.9 MB in the end (delta: 88.1 MB). Free memory was 232.8 MB in the beginning and 255.3 MB in the end (delta: -22.5 MB). Peak memory consumption was 65.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 64.66 ms. Allocated memory is still 343.9 MB. Free memory was 255.3 MB in the beginning and 252.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 35.62 ms. Allocated memory is still 343.9 MB. Free memory was 252.2 MB in the beginning and 250.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 646.60 ms. Allocated memory is still 343.9 MB. Free memory was 250.1 MB in the beginning and 279.5 MB in the end (delta: -29.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 143964.83 ms. Allocated memory was 343.9 MB in the beginning and 497.0 MB in the end (delta: 153.1 MB). Free memory was 278.4 MB in the beginning and 398.3 MB in the end (delta: -119.9 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56117.8ms, 150 PlacesBefore, 64 PlacesAfterwards, 152 TransitionsBefore, 65 TransitionsAfterwards, 2288 CoEnabledTransitionPairs, 5 FixpointIterations, 67 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 115 TotalNumberOfCompositions, 3162 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1541, positive: 1461, positive conditional: 0, positive unconditional: 1461, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1308, positive: 1273, positive conditional: 0, positive unconditional: 1273, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1308, positive: 1273, positive conditional: 0, positive unconditional: 1273, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1308, positive: 1270, positive conditional: 0, positive unconditional: 1270, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , SemanticIndependenceRelation.Query Time [ms]: [ total: 52213, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 438, negative conditional: 0, negative unconditional: 438, unknown: 51759, unknown conditional: 0, unknown unconditional: 51759] ], Cache Queries: [ total: 1541, positive: 188, positive conditional: 0, positive unconditional: 188, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 1308, unknown conditional: 0, unknown unconditional: 1308] , Statistics on independence cache: Total cache size (in pairs): 74, Positive cache size: 55, Positive conditional cache size: 0, Positive unconditional cache size: 55, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39941.9ms, 59 PlacesBefore, 34 PlacesAfterwards, 56 TransitionsBefore, 34 TransitionsAfterwards, 370 CoEnabledTransitionPairs, 5 FixpointIterations, 25 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 30 TotalNumberOfCompositions, 1956 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 482, positive: 349, positive conditional: 0, positive unconditional: 349, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 90, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 90, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 90, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , SemanticIndependenceRelation.Query Time [ms]: [ total: 27584, positive: 209, positive conditional: 0, positive unconditional: 209, negative: 375, negative conditional: 0, negative unconditional: 375, unknown: 27001, unknown conditional: 0, unknown unconditional: 27001] ], Cache Queries: [ total: 482, positive: 278, positive conditional: 0, positive unconditional: 278, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 90, unknown conditional: 0, unknown unconditional: 90] , Statistics on independence cache: Total cache size (in pairs): 102, Positive cache size: 67, Positive conditional cache size: 0, Positive unconditional cache size: 67, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12425.7ms, 36 PlacesBefore, 34 PlacesAfterwards, 36 TransitionsBefore, 34 TransitionsAfterwards, 266 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1048 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 253, positive: 177, positive conditional: 0, positive unconditional: 177, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 2, negative conditional: 0, negative unconditional: 2, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11867, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 11775, unknown conditional: 0, unknown unconditional: 11775] ], Cache Queries: [ total: 253, positive: 171, positive conditional: 0, positive unconditional: 171, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 98, Positive cache size: 67, Positive conditional cache size: 0, Positive unconditional cache size: 67, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.3ms, 35 PlacesBefore, 35 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 292 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 224 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 49, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 49, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 101, Positive cache size: 70, Positive conditional cache size: 0, Positive unconditional cache size: 70, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 238.7ms, 37 PlacesBefore, 36 PlacesAfterwards, 43 TransitionsBefore, 42 TransitionsAfterwards, 312 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 852 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 255, positive: 213, positive conditional: 0, positive unconditional: 213, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, positive: 22, positive conditional: 0, positive unconditional: 22, 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: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 255, positive: 191, positive conditional: 0, positive unconditional: 191, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 26, unknown conditional: 0, unknown unconditional: 26] , Statistics on independence cache: Total cache size (in pairs): 102, Positive cache size: 79, Positive conditional cache size: 0, Positive unconditional cache size: 79, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.0ms, 30 PlacesBefore, 29 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 140 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 67 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 25, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, negative unconditional: 2, 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: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.2ms, 42 PlacesBefore, 42 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 214 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 58 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , 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: 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] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 50.0ms, 60 PlacesBefore, 57 PlacesAfterwards, 71 TransitionsBefore, 71 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 267 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 52, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 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: 52, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 82, Positive conditional cache size: 0, Positive unconditional cache size: 82, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 101.3ms, 67 PlacesBefore, 67 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 272 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 439 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 50, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 17, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 50, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 111, Positive cache size: 82, Positive conditional cache size: 0, Positive unconditional cache size: 82, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 418.0ms, 69 PlacesBefore, 69 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 222 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 477 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 45, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 29, negative conditional: 0, negative unconditional: 29, 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: 0, negative unconditional: 1, 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: 0, negative unconditional: 1, 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: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 45, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 102, Positive cache size: 79, Positive conditional cache size: 0, Positive unconditional cache size: 79, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 172.6ms, 84 PlacesBefore, 84 PlacesAfterwards, 119 TransitionsBefore, 119 TransitionsAfterwards, 246 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 696 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 48, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 38, negative conditional: 0, negative unconditional: 38, 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: 48, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 124.7ms, 101 PlacesBefore, 98 PlacesAfterwards, 130 TransitionsBefore, 130 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 720 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 36, negative conditional: 0, negative unconditional: 36, 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: 0, negative unconditional: 1, 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: 0, negative unconditional: 1, 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: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 83, Positive conditional cache size: 0, Positive unconditional cache size: 83, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.6ms, 104 PlacesBefore, 104 PlacesAfterwards, 134 TransitionsBefore, 134 TransitionsAfterwards, 254 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 399 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 0, negative unconditional: 19, 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: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 83, Positive conditional cache size: 0, Positive unconditional cache size: 83, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5778.3ms, 88 PlacesBefore, 85 PlacesAfterwards, 88 TransitionsBefore, 88 TransitionsAfterwards, 114 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 7 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 479 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 87, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 10, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 10, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 5098, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 151, negative conditional: 0, negative unconditional: 151, unknown: 4947, unknown conditional: 0, unknown unconditional: 4947] ], Cache Queries: [ total: 87, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 77, Positive cache size: 65, Positive conditional cache size: 0, Positive unconditional cache size: 65, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2854.4ms, 90 PlacesBefore, 87 PlacesAfterwards, 90 TransitionsBefore, 88 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 387 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 2, negative conditional: 0, negative unconditional: 2, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2513, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 2501, unknown conditional: 0, unknown unconditional: 2501] ], Cache Queries: [ total: 68, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 49, Positive conditional cache size: 0, Positive unconditional cache size: 49, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.4ms, 89 PlacesBefore, 79 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 132 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 16, negative conditional: 0, negative unconditional: 16, 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: 0, negative unconditional: 1, 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: 0, negative unconditional: 1, 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: 0, negative unconditional: 1, 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: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 49, Positive conditional cache size: 0, Positive unconditional cache size: 49, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2701.0ms, 84 PlacesBefore, 81 PlacesAfterwards, 77 TransitionsBefore, 75 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 472 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 43, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 2, negative conditional: 0, negative unconditional: 2, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2205, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 2187, unknown conditional: 0, unknown unconditional: 2187] ], Cache Queries: [ total: 43, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.4ms, 85 PlacesBefore, 79 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 85 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 11, negative conditional: 0, negative unconditional: 11, 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: 13, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 142.2ms, 81 PlacesBefore, 79 PlacesAfterwards, 58 TransitionsBefore, 58 TransitionsAfterwards, 66 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 116 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 16, negative conditional: 0, negative unconditional: 16, 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: 20, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.3ms, 84 PlacesBefore, 81 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 52 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 20 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, 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: 0, negative unconditional: 1, 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: 0, negative unconditional: 1, 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: 0, negative unconditional: 1, 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: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 325.6ms, 79 PlacesBefore, 61 PlacesAfterwards, 34 TransitionsBefore, 33 TransitionsAfterwards, 38 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 61 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 32, Positive conditional cache size: 0, Positive unconditional cache size: 32, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 85.4ms, 53 PlacesBefore, 53 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 20 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 48 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 2, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 2, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 148.9ms, 63 PlacesBefore, 59 PlacesAfterwards, 41 TransitionsBefore, 40 TransitionsAfterwards, 18 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 66 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 44, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 44, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.4ms, 62 PlacesBefore, 55 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 10 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 24 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 24, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 601.3ms, 60 PlacesBefore, 50 PlacesAfterwards, 31 TransitionsBefore, 29 TransitionsAfterwards, 10 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 60 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 56, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 18, negative conditional: 0, negative unconditional: 18, 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: 56, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.8ms, 49 PlacesBefore, 39 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 10 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 18 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 17, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 5, negative conditional: 0, negative unconditional: 5, 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: 17, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.5ms, 36 PlacesBefore, 36 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 10 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 18 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 5, negative conditional: 0, negative unconditional: 5, 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: 14, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 130.3ms, 40 PlacesBefore, 36 PlacesAfterwards, 20 TransitionsBefore, 19 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 3 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): 18, Positive cache size: 16, Positive conditional cache size: 0, Positive unconditional cache size: 16, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 510.5ms, 35 PlacesBefore, 26 PlacesAfterwards, 13 TransitionsBefore, 11 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 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): 12, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.6ms, 18 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): 12, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - 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: 2.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 143847.4ms, OverallIterations: 29, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 13324.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 56237.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 338 SDtfs, 464 SDslu, 544 SDs, 0 SdLazy, 5777 SolverSat, 451 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6822.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 349 GetRequests, 32 SyntacticMatches, 29 SemanticMatches, 288 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 7028.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1486occurred in iteration=12, InterpolantAutomatonStates: 227, 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: 60.7ms SsaConstructionTime, 716.4ms SatisfiabilityAnalysisTime, 6047.1ms InterpolantComputationTime, 451 NumberOfCodeBlocks, 451 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 422 ConstructedInterpolants, 0 QuantifiedInterpolants, 9263 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 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...