/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 02:46:16,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 02:46:16,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 02:46:16,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 02:46:16,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 02:46:16,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 02:46:16,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 02:46:16,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 02:46:16,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 02:46:16,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 02:46:16,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 02:46:16,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 02:46:16,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 02:46:16,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 02:46:16,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 02:46:16,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 02:46:16,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 02:46:16,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 02:46:16,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 02:46:16,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 02:46:16,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 02:46:16,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 02:46:16,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 02:46:16,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 02:46:16,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 02:46:16,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 02:46:16,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 02:46:16,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 02:46:16,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 02:46:16,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 02:46:16,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 02:46:16,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 02:46:16,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 02:46:16,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 02:46:16,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 02:46:16,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 02:46:16,827 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-NoLbe.epf [2021-03-11 02:46:16,841 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 02:46:16,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 02:46:16,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 02:46:16,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 02:46:16,842 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 02:46:16,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 02:46:16,843 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 02:46:16,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 02:46:16,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 02:46:16,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 02:46:16,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 02:46:16,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 02:46:16,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 02:46:16,844 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 02:46:16,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 02:46:16,844 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 02:46:16,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 02:46:16,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 02:46:16,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 02:46:16,845 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 02:46:16,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 02:46:16,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 02:46:16,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 02:46:16,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 02:46:16,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 02:46:16,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 02:46:16,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 02:46:16,846 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-11 02:46:16,846 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 02:46:16,846 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 02:46:17,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 02:46:17,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 02:46:17,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 02:46:17,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 02:46:17,102 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 02:46:17,103 INFO L432 ainManager$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 [2021-03-11 02:46:17,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c349907e2/67018b6f28704428baad750b05259051/FLAGb7d69b48f [2021-03-11 02:46:17,688 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 02:46:17,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2021-03-11 02:46:17,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c349907e2/67018b6f28704428baad750b05259051/FLAGb7d69b48f [2021-03-11 02:46:18,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c349907e2/67018b6f28704428baad750b05259051 [2021-03-11 02:46:18,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 02:46:18,189 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 02:46:18,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 02:46:18,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 02:46:18,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 02:46:18,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 02:46:18" (1/1) ... [2021-03-11 02:46:18,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@667f0c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:46:18, skipping insertion in model container [2021-03-11 02:46:18,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 02:46:18" (1/1) ... [2021-03-11 02:46:18,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 02:46:18,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 02:46:18,608 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] [2021-03-11 02:46:18,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 02:46:18,628 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 02:46:18,651 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] [2021-03-11 02:46:18,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 02:46:18,842 INFO L208 MainTranslator]: Completed translation [2021-03-11 02:46:18,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:46:18 WrapperNode [2021-03-11 02:46:18,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 02:46:18,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 02:46:18,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 02:46:18,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 02:46:18,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:46:18" (1/1) ... [2021-03-11 02:46:18,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:46:18" (1/1) ... [2021-03-11 02:46:18,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 02:46:18,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 02:46:18,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 02:46:18,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 02:46:18,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:46:18" (1/1) ... [2021-03-11 02:46:18,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:46:18" (1/1) ... [2021-03-11 02:46:18,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:46:18" (1/1) ... [2021-03-11 02:46:18,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:46:18" (1/1) ... [2021-03-11 02:46:18,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:46:18" (1/1) ... [2021-03-11 02:46:18,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:46:18" (1/1) ... [2021-03-11 02:46:18,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:46:18" (1/1) ... [2021-03-11 02:46:18,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 02:46:18,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 02:46:18,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 02:46:18,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 02:46:18,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:46:18" (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 [2021-03-11 02:46:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 02:46:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 02:46:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-11 02:46:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-11 02:46:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 02:46:18,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 02:46:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-03-11 02:46:18,995 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-03-11 02:46:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 02:46:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 02:46:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 02:46:18,996 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 02:46:19,433 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 02:46:19,434 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-03-11 02:46:19,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:46:19 BoogieIcfgContainer [2021-03-11 02:46:19,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 02:46:19,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 02:46:19,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 02:46:19,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 02:46:19,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 02:46:18" (1/3) ... [2021-03-11 02:46:19,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e14c9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:46:19, skipping insertion in model container [2021-03-11 02:46:19,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:46:18" (2/3) ... [2021-03-11 02:46:19,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e14c9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:46:19, skipping insertion in model container [2021-03-11 02:46:19,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:46:19" (3/3) ... [2021-03-11 02:46:19,442 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2021-03-11 02:46:19,446 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 02:46:19,449 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-03-11 02:46:19,450 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 02:46:19,483 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,483 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,483 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,483 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,483 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,483 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,483 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,483 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,483 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,484 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,484 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,484 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,484 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,484 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,484 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,484 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,484 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,484 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,485 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,485 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,485 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,485 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,486 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,486 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,486 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,486 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,487 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,487 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,487 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,487 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,487 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,487 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,487 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,487 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,487 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,487 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,488 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,488 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,488 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,488 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,488 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,489 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,489 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,489 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,489 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,490 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,490 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,490 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,490 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,490 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,491 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,491 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,492 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,492 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,492 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,492 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,493 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,493 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,493 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,493 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,493 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,493 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,493 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,493 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,493 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,494 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,494 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,494 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,494 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,494 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,494 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,494 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,495 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,495 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,495 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,495 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,495 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,495 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,495 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,495 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,495 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,496 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,496 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,496 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,496 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,496 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,496 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,496 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,497 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,497 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,499 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,499 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,500 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,500 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,503 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,503 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,503 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,503 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,503 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,503 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,503 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,504 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,504 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,505 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,505 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,506 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,506 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,506 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,506 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,506 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,506 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,506 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,506 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,509 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,510 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,510 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,510 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,510 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,510 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,510 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,510 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,510 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,510 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:46:19,518 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-11 02:46:19,530 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-03-11 02:46:19,542 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 02:46:19,543 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 02:46:19,543 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 02:46:19,543 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 02:46:19,543 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 02:46:19,543 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 02:46:19,543 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 02:46:19,543 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 02:46:19,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 160 places, 164 transitions, 350 flow [2021-03-11 02:46:19,615 INFO L129 PetriNetUnfolder]: 11/204 cut-off events. [2021-03-11 02:46:19,615 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-11 02:46:19,618 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. [2021-03-11 02:46:19,618 INFO L82 GeneralOperation]: Start removeDead. Operand has 160 places, 164 transitions, 350 flow [2021-03-11 02:46:19,622 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 152 transitions, 322 flow [2021-03-11 02:46:19,634 INFO L129 PetriNetUnfolder]: 0/37 cut-off events. [2021-03-11 02:46:19,634 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 02:46:19,634 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:46:19,635 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:46:19,636 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]=== [2021-03-11 02:46:19,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:46:19,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1078115023, now seen corresponding path program 1 times [2021-03-11 02:46:19,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:46:19,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848055813] [2021-03-11 02:46:19,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:46:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:46:19,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:19,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:19,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:19,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 02:46:19,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:19,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:46:19,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:19,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:19,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:19,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:19,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:19,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:19,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:19,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:19,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:46:19,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848055813] [2021-03-11 02:46:19,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:46:19,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 02:46:19,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308811165] [2021-03-11 02:46:20,001 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 02:46:20,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:46:20,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 02:46:20,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 02:46:20,014 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 164 [2021-03-11 02:46:20,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 152 transitions, 322 flow. Second operand has 6 states, 6 states have (on average 93.33333333333333) internal successors, (560), 6 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:20,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:46:20,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 164 [2021-03-11 02:46:20,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:46:20,268 INFO L129 PetriNetUnfolder]: 362/975 cut-off events. [2021-03-11 02:46:20,269 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-11 02:46:20,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1660 conditions, 975 events. 362/975 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 5922 event pairs, 213 based on Foata normal form. 20/963 useless extension candidates. Maximal degree in co-relation 1457. Up to 394 conditions per place. [2021-03-11 02:46:20,279 INFO L132 encePairwiseOnDemand]: 141/164 looper letters, 50 selfloop transitions, 18 changer transitions 1/150 dead transitions. [2021-03-11 02:46:20,279 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 150 transitions, 456 flow [2021-03-11 02:46:20,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 02:46:20,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 02:46:20,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 893 transitions. [2021-03-11 02:46:20,295 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6050135501355014 [2021-03-11 02:46:20,295 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 893 transitions. [2021-03-11 02:46:20,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 893 transitions. [2021-03-11 02:46:20,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:46:20,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 893 transitions. [2021-03-11 02:46:20,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 99.22222222222223) internal successors, (893), 9 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:20,327 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 164.0) internal successors, (1640), 10 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:20,328 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 164.0) internal successors, (1640), 10 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:20,329 INFO L185 Difference]: Start difference. First operand has 150 places, 152 transitions, 322 flow. Second operand 9 states and 893 transitions. [2021-03-11 02:46:20,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 150 transitions, 456 flow [2021-03-11 02:46:20,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 150 transitions, 444 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-11 02:46:20,337 INFO L241 Difference]: Finished difference. Result has 148 places, 143 transitions, 340 flow [2021-03-11 02:46:20,339 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=340, PETRI_PLACES=148, PETRI_TRANSITIONS=143} [2021-03-11 02:46:20,339 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, -2 predicate places. [2021-03-11 02:46:20,339 INFO L480 AbstractCegarLoop]: Abstraction has has 148 places, 143 transitions, 340 flow [2021-03-11 02:46:20,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 93.33333333333333) internal successors, (560), 6 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:20,340 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:46:20,340 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:46:20,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 02:46:20,341 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]=== [2021-03-11 02:46:20,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:46:20,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1074499604, now seen corresponding path program 1 times [2021-03-11 02:46:20,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:46:20,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550295078] [2021-03-11 02:46:20,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:46:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:46:20,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:20,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:20,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:20,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:46:20,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:20,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:20,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:20,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:20,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:20,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:20,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:20,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:20,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:46:20,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550295078] [2021-03-11 02:46:20,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:46:20,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 02:46:20,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550469494] [2021-03-11 02:46:20,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 02:46:20,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:46:20,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 02:46:20,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 02:46:20,456 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 164 [2021-03-11 02:46:20,457 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 143 transitions, 340 flow. Second operand has 6 states, 6 states have (on average 94.16666666666667) internal successors, (565), 6 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:20,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:46:20,457 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 164 [2021-03-11 02:46:20,457 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:46:20,664 INFO L129 PetriNetUnfolder]: 362/929 cut-off events. [2021-03-11 02:46:20,664 INFO L130 PetriNetUnfolder]: For 84/88 co-relation queries the response was YES. [2021-03-11 02:46:20,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1759 conditions, 929 events. 362/929 cut-off events. For 84/88 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 5439 event pairs, 117 based on Foata normal form. 3/921 useless extension candidates. Maximal degree in co-relation 711. Up to 261 conditions per place. [2021-03-11 02:46:20,670 INFO L132 encePairwiseOnDemand]: 144/164 looper letters, 58 selfloop transitions, 19 changer transitions 1/158 dead transitions. [2021-03-11 02:46:20,671 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 158 transitions, 532 flow [2021-03-11 02:46:20,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 02:46:20,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-11 02:46:20,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 989 transitions. [2021-03-11 02:46:20,673 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6030487804878049 [2021-03-11 02:46:20,673 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 989 transitions. [2021-03-11 02:46:20,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 989 transitions. [2021-03-11 02:46:20,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:46:20,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 989 transitions. [2021-03-11 02:46:20,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 98.9) internal successors, (989), 10 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:20,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 164.0) internal successors, (1804), 11 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:20,677 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 164.0) internal successors, (1804), 11 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:20,677 INFO L185 Difference]: Start difference. First operand has 148 places, 143 transitions, 340 flow. Second operand 10 states and 989 transitions. [2021-03-11 02:46:20,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 158 transitions, 532 flow [2021-03-11 02:46:20,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 158 transitions, 502 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-03-11 02:46:20,685 INFO L241 Difference]: Finished difference. Result has 149 places, 142 transitions, 353 flow [2021-03-11 02:46:20,685 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=353, PETRI_PLACES=149, PETRI_TRANSITIONS=142} [2021-03-11 02:46:20,686 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, -1 predicate places. [2021-03-11 02:46:20,686 INFO L480 AbstractCegarLoop]: Abstraction has has 149 places, 142 transitions, 353 flow [2021-03-11 02:46:20,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 94.16666666666667) internal successors, (565), 6 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:20,686 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:46:20,686 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:46:20,686 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 02:46:20,688 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]=== [2021-03-11 02:46:20,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:46:20,688 INFO L82 PathProgramCache]: Analyzing trace with hash 2139493913, now seen corresponding path program 1 times [2021-03-11 02:46:20,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:46:20,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054682073] [2021-03-11 02:46:20,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:46:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:46:20,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:20,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:20,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:20,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 02:46:20,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:20,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:46:20,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:20,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:20,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:20,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:20,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:20,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:20,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:20,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:20,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:46:20,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054682073] [2021-03-11 02:46:20,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:46:20,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 02:46:20,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820212387] [2021-03-11 02:46:20,804 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 02:46:20,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:46:20,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 02:46:20,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 02:46:20,805 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 164 [2021-03-11 02:46:20,806 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 142 transitions, 353 flow. Second operand has 6 states, 6 states have (on average 93.33333333333333) internal successors, (560), 6 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:20,806 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:46:20,806 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 164 [2021-03-11 02:46:20,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:46:21,197 INFO L129 PetriNetUnfolder]: 833/1953 cut-off events. [2021-03-11 02:46:21,197 INFO L130 PetriNetUnfolder]: For 222/226 co-relation queries the response was YES. [2021-03-11 02:46:21,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3825 conditions, 1953 events. 833/1953 cut-off events. For 222/226 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 12957 event pairs, 166 based on Foata normal form. 32/1979 useless extension candidates. Maximal degree in co-relation 984. Up to 497 conditions per place. [2021-03-11 02:46:21,209 INFO L132 encePairwiseOnDemand]: 143/164 looper letters, 98 selfloop transitions, 49 changer transitions 0/227 dead transitions. [2021-03-11 02:46:21,209 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 227 transitions, 855 flow [2021-03-11 02:46:21,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 02:46:21,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-11 02:46:21,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1302 transitions. [2021-03-11 02:46:21,211 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6106941838649156 [2021-03-11 02:46:21,211 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1302 transitions. [2021-03-11 02:46:21,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1302 transitions. [2021-03-11 02:46:21,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:46:21,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1302 transitions. [2021-03-11 02:46:21,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 100.15384615384616) internal successors, (1302), 13 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:21,217 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 164.0) internal successors, (2296), 14 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:21,217 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 164.0) internal successors, (2296), 14 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:21,217 INFO L185 Difference]: Start difference. First operand has 149 places, 142 transitions, 353 flow. Second operand 13 states and 1302 transitions. [2021-03-11 02:46:21,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 227 transitions, 855 flow [2021-03-11 02:46:21,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 227 transitions, 808 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-11 02:46:21,233 INFO L241 Difference]: Finished difference. Result has 161 places, 179 transitions, 634 flow [2021-03-11 02:46:21,233 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=634, PETRI_PLACES=161, PETRI_TRANSITIONS=179} [2021-03-11 02:46:21,233 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 11 predicate places. [2021-03-11 02:46:21,233 INFO L480 AbstractCegarLoop]: Abstraction has has 161 places, 179 transitions, 634 flow [2021-03-11 02:46:21,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 93.33333333333333) internal successors, (560), 6 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:21,234 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:46:21,234 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:46:21,234 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 02:46:21,234 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]=== [2021-03-11 02:46:21,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:46:21,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1121519457, now seen corresponding path program 1 times [2021-03-11 02:46:21,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:46:21,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497989902] [2021-03-11 02:46:21,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:46:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:46:21,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:21,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:21,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:21,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:46:21,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:21,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:21,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:21,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:21,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:21,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:21,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:21,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:21,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:46:21,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497989902] [2021-03-11 02:46:21,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:46:21,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 02:46:21,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345214826] [2021-03-11 02:46:21,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 02:46:21,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:46:21,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 02:46:21,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 02:46:21,330 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 164 [2021-03-11 02:46:21,330 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 179 transitions, 634 flow. Second operand has 6 states, 6 states have (on average 94.16666666666667) internal successors, (565), 6 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:21,330 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:46:21,330 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 164 [2021-03-11 02:46:21,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:46:21,732 INFO L129 PetriNetUnfolder]: 1085/2462 cut-off events. [2021-03-11 02:46:21,732 INFO L130 PetriNetUnfolder]: For 11398/11416 co-relation queries the response was YES. [2021-03-11 02:46:21,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9118 conditions, 2462 events. 1085/2462 cut-off events. For 11398/11416 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 17240 event pairs, 215 based on Foata normal form. 47/2503 useless extension candidates. Maximal degree in co-relation 7782. Up to 730 conditions per place. [2021-03-11 02:46:21,750 INFO L132 encePairwiseOnDemand]: 145/164 looper letters, 72 selfloop transitions, 48 changer transitions 68/268 dead transitions. [2021-03-11 02:46:21,751 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 268 transitions, 1742 flow [2021-03-11 02:46:21,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 02:46:21,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-11 02:46:21,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1105 transitions. [2021-03-11 02:46:21,753 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6125277161862528 [2021-03-11 02:46:21,753 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1105 transitions. [2021-03-11 02:46:21,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1105 transitions. [2021-03-11 02:46:21,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:46:21,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1105 transitions. [2021-03-11 02:46:21,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 100.45454545454545) internal successors, (1105), 11 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:21,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 164.0) internal successors, (1968), 12 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:21,757 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 164.0) internal successors, (1968), 12 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:21,758 INFO L185 Difference]: Start difference. First operand has 161 places, 179 transitions, 634 flow. Second operand 11 states and 1105 transitions. [2021-03-11 02:46:21,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 268 transitions, 1742 flow [2021-03-11 02:46:21,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 268 transitions, 1720 flow, removed 11 selfloop flow, removed 0 redundant places. [2021-03-11 02:46:21,775 INFO L241 Difference]: Finished difference. Result has 179 places, 186 transitions, 941 flow [2021-03-11 02:46:21,775 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=941, PETRI_PLACES=179, PETRI_TRANSITIONS=186} [2021-03-11 02:46:21,776 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 29 predicate places. [2021-03-11 02:46:21,776 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 186 transitions, 941 flow [2021-03-11 02:46:21,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 94.16666666666667) internal successors, (565), 6 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:21,776 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:46:21,776 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:46:21,776 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 02:46:21,776 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]=== [2021-03-11 02:46:21,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:46:21,777 INFO L82 PathProgramCache]: Analyzing trace with hash 769640327, now seen corresponding path program 1 times [2021-03-11 02:46:21,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:46:21,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200886547] [2021-03-11 02:46:21,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:46:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:46:21,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:21,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:21,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:21,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:21,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:21,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:21,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:21,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:21,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:21,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:21,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:46:21,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200886547] [2021-03-11 02:46:21,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:46:21,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 02:46:21,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416133457] [2021-03-11 02:46:21,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 02:46:21,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:46:21,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 02:46:21,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-11 02:46:21,870 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 164 [2021-03-11 02:46:21,870 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 186 transitions, 941 flow. Second operand has 5 states, 5 states have (on average 142.8) internal successors, (714), 5 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:21,871 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:46:21,871 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 164 [2021-03-11 02:46:21,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:46:21,908 INFO L129 PetriNetUnfolder]: 6/157 cut-off events. [2021-03-11 02:46:21,909 INFO L130 PetriNetUnfolder]: For 469/489 co-relation queries the response was YES. [2021-03-11 02:46:21,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 358 conditions, 157 events. 6/157 cut-off events. For 469/489 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 281 event pairs, 4 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 337. Up to 14 conditions per place. [2021-03-11 02:46:21,910 INFO L132 encePairwiseOnDemand]: 159/164 looper letters, 5 selfloop transitions, 4 changer transitions 0/119 dead transitions. [2021-03-11 02:46:21,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 119 transitions, 398 flow [2021-03-11 02:46:21,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 02:46:21,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-11 02:46:21,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 856 transitions. [2021-03-11 02:46:21,912 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8699186991869918 [2021-03-11 02:46:21,912 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 856 transitions. [2021-03-11 02:46:21,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 856 transitions. [2021-03-11 02:46:21,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:46:21,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 856 transitions. [2021-03-11 02:46:21,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 142.66666666666666) internal successors, (856), 6 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:21,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:21,915 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:21,915 INFO L185 Difference]: Start difference. First operand has 179 places, 186 transitions, 941 flow. Second operand 6 states and 856 transitions. [2021-03-11 02:46:21,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 119 transitions, 398 flow [2021-03-11 02:46:21,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 119 transitions, 282 flow, removed 40 selfloop flow, removed 17 redundant places. [2021-03-11 02:46:21,918 INFO L241 Difference]: Finished difference. Result has 130 places, 119 transitions, 272 flow [2021-03-11 02:46:21,918 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=272, PETRI_PLACES=130, PETRI_TRANSITIONS=119} [2021-03-11 02:46:21,918 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, -20 predicate places. [2021-03-11 02:46:21,918 INFO L480 AbstractCegarLoop]: Abstraction has has 130 places, 119 transitions, 272 flow [2021-03-11 02:46:21,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 142.8) internal successors, (714), 5 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:21,919 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:46:21,919 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:46:21,919 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 02:46:21,919 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]=== [2021-03-11 02:46:21,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:46:21,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1660130940, now seen corresponding path program 1 times [2021-03-11 02:46:21,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:46:21,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941542614] [2021-03-11 02:46:21,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:46:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:46:22,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:22,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:22,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:22,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:46:22,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:22,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:46:22,144 INFO L142 QuantifierPusher]: treesize reduction 20, result has 52.4 percent of original size [2021-03-11 02:46:22,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 02:46:22,165 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 02:46:22,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:22,179 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 02:46:22,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:22,191 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-03-11 02:46:22,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:46:22,209 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-11 02:46:22,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 02:46:22,224 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.0 percent of original size [2021-03-11 02:46:22,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 02:46:22,234 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-11 02:46:22,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 02:46:22,239 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-03-11 02:46:22,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 02:46:22,251 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 02:46:22,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:22,260 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 02:46:22,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:22,262 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:46:22,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:46:22,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:22,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:22,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:22,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:22,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:22,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:22,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:22,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:22,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:46:22,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941542614] [2021-03-11 02:46:22,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:46:22,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-03-11 02:46:22,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108907826] [2021-03-11 02:46:22,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 02:46:22,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:46:22,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 02:46:22,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-03-11 02:46:22,294 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 164 [2021-03-11 02:46:22,295 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 119 transitions, 272 flow. Second operand has 15 states, 15 states have (on average 71.86666666666666) internal successors, (1078), 15 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:22,295 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:46:22,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 164 [2021-03-11 02:46:22,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:46:22,924 INFO L129 PetriNetUnfolder]: 445/1192 cut-off events. [2021-03-11 02:46:22,924 INFO L130 PetriNetUnfolder]: For 194/194 co-relation queries the response was YES. [2021-03-11 02:46:22,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2284 conditions, 1192 events. 445/1192 cut-off events. For 194/194 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 7661 event pairs, 60 based on Foata normal form. 0/1174 useless extension candidates. Maximal degree in co-relation 2275. Up to 242 conditions per place. [2021-03-11 02:46:22,930 INFO L132 encePairwiseOnDemand]: 139/164 looper letters, 99 selfloop transitions, 28 changer transitions 0/179 dead transitions. [2021-03-11 02:46:22,930 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 179 transitions, 670 flow [2021-03-11 02:46:22,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-11 02:46:22,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-11 02:46:22,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1283 transitions. [2021-03-11 02:46:22,933 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4601865136298422 [2021-03-11 02:46:22,933 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1283 transitions. [2021-03-11 02:46:22,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1283 transitions. [2021-03-11 02:46:22,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:46:22,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1283 transitions. [2021-03-11 02:46:22,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 75.47058823529412) internal successors, (1283), 17 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:22,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 164.0) internal successors, (2952), 18 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:22,940 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 164.0) internal successors, (2952), 18 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:22,940 INFO L185 Difference]: Start difference. First operand has 130 places, 119 transitions, 272 flow. Second operand 17 states and 1283 transitions. [2021-03-11 02:46:22,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 179 transitions, 670 flow [2021-03-11 02:46:22,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 179 transitions, 663 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-11 02:46:22,943 INFO L241 Difference]: Finished difference. Result has 150 places, 134 transitions, 418 flow [2021-03-11 02:46:22,944 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=418, PETRI_PLACES=150, PETRI_TRANSITIONS=134} [2021-03-11 02:46:22,944 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 0 predicate places. [2021-03-11 02:46:22,944 INFO L480 AbstractCegarLoop]: Abstraction has has 150 places, 134 transitions, 418 flow [2021-03-11 02:46:22,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.86666666666666) internal successors, (1078), 15 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:22,944 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:46:22,945 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:46:22,945 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 02:46:22,946 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]=== [2021-03-11 02:46:22,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:46:22,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1065667594, now seen corresponding path program 2 times [2021-03-11 02:46:22,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:46:22,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24928972] [2021-03-11 02:46:22,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:46:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:46:23,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:23,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:23,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:23,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:23,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:23,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:46:23,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:23,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:46:23,122 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-03-11 02:46:23,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:46:23,134 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:46:23,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:23,144 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-03-11 02:46:23,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:46:23,155 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-03-11 02:46:23,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:46:23,165 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-03-11 02:46:23,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 02:46:23,176 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:46:23,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:23,189 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-11 02:46:23,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 02:46:23,200 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:46:23,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:23,202 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:46:23,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:23,215 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:46:23,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:23,216 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:46:23,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:46:23,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:23,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:23,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:23,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:23,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:23,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:23,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:23,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:23,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:46:23,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24928972] [2021-03-11 02:46:23,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:46:23,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-03-11 02:46:23,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835570686] [2021-03-11 02:46:23,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 02:46:23,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:46:23,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 02:46:23,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-03-11 02:46:23,264 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 164 [2021-03-11 02:46:23,264 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 134 transitions, 418 flow. Second operand has 15 states, 15 states have (on average 71.86666666666666) internal successors, (1078), 15 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:23,265 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:46:23,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 164 [2021-03-11 02:46:23,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:46:24,027 INFO L129 PetriNetUnfolder]: 560/1574 cut-off events. [2021-03-11 02:46:24,028 INFO L130 PetriNetUnfolder]: For 1039/1066 co-relation queries the response was YES. [2021-03-11 02:46:24,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3481 conditions, 1574 events. 560/1574 cut-off events. For 1039/1066 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 10695 event pairs, 223 based on Foata normal form. 7/1549 useless extension candidates. Maximal degree in co-relation 3465. Up to 430 conditions per place. [2021-03-11 02:46:24,036 INFO L132 encePairwiseOnDemand]: 142/164 looper letters, 113 selfloop transitions, 31 changer transitions 0/196 dead transitions. [2021-03-11 02:46:24,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 196 transitions, 949 flow [2021-03-11 02:46:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-11 02:46:24,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-11 02:46:24,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1349 transitions. [2021-03-11 02:46:24,039 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4569783197831978 [2021-03-11 02:46:24,039 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1349 transitions. [2021-03-11 02:46:24,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1349 transitions. [2021-03-11 02:46:24,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:46:24,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1349 transitions. [2021-03-11 02:46:24,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 74.94444444444444) internal successors, (1349), 18 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:24,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 164.0) internal successors, (3116), 19 states have internal predecessors, (3116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:24,045 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 164.0) internal successors, (3116), 19 states have internal predecessors, (3116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:24,045 INFO L185 Difference]: Start difference. First operand has 150 places, 134 transitions, 418 flow. Second operand 18 states and 1349 transitions. [2021-03-11 02:46:24,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 196 transitions, 949 flow [2021-03-11 02:46:24,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 196 transitions, 929 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-03-11 02:46:24,050 INFO L241 Difference]: Finished difference. Result has 171 places, 149 transitions, 599 flow [2021-03-11 02:46:24,051 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=599, PETRI_PLACES=171, PETRI_TRANSITIONS=149} [2021-03-11 02:46:24,051 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 21 predicate places. [2021-03-11 02:46:24,051 INFO L480 AbstractCegarLoop]: Abstraction has has 171 places, 149 transitions, 599 flow [2021-03-11 02:46:24,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.86666666666666) internal successors, (1078), 15 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:24,051 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:46:24,052 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:46:24,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 02:46:24,052 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]=== [2021-03-11 02:46:24,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:46:24,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1327310526, now seen corresponding path program 1 times [2021-03-11 02:46:24,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:46:24,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587365537] [2021-03-11 02:46:24,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:46:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:46:24,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:24,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 02:46:24,178 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-11 02:46:24,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 02:46:24,182 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-03-11 02:46:24,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:46:24,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 02:46:24,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 02:46:24,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:24,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 02:46:24,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 02:46:24,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 02:46:24,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 02:46:24,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 02:46:24,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 02:46:24,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 02:46:24,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 02:46:24,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 02:46:24,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 02:46:24,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 02:46:24,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 02:46:24,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 02:46:24,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:24,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:24,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:24,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:24,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:24,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:46:24,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587365537] [2021-03-11 02:46:24,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:46:24,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-03-11 02:46:24,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178402006] [2021-03-11 02:46:24,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-11 02:46:24,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:46:24,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-11 02:46:24,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2021-03-11 02:46:24,424 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 164 [2021-03-11 02:46:24,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 149 transitions, 599 flow. Second operand has 17 states, 17 states have (on average 93.11764705882354) internal successors, (1583), 17 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:24,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:46:24,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 164 [2021-03-11 02:46:24,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:46:25,917 INFO L129 PetriNetUnfolder]: 2349/5348 cut-off events. [2021-03-11 02:46:25,917 INFO L130 PetriNetUnfolder]: For 6207/6231 co-relation queries the response was YES. [2021-03-11 02:46:25,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12869 conditions, 5348 events. 2349/5348 cut-off events. For 6207/6231 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 43260 event pairs, 467 based on Foata normal form. 6/5278 useless extension candidates. Maximal degree in co-relation 12842. Up to 1039 conditions per place. [2021-03-11 02:46:25,952 INFO L132 encePairwiseOnDemand]: 145/164 looper letters, 214 selfloop transitions, 60 changer transitions 6/355 dead transitions. [2021-03-11 02:46:25,952 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 355 transitions, 2109 flow [2021-03-11 02:46:25,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-11 02:46:25,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-11 02:46:25,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 2300 transitions. [2021-03-11 02:46:25,958 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6097560975609756 [2021-03-11 02:46:25,958 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 2300 transitions. [2021-03-11 02:46:25,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 2300 transitions. [2021-03-11 02:46:25,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:46:25,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 2300 transitions. [2021-03-11 02:46:25,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 100.0) internal successors, (2300), 23 states have internal predecessors, (2300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:25,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 164.0) internal successors, (3936), 24 states have internal predecessors, (3936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:25,969 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 164.0) internal successors, (3936), 24 states have internal predecessors, (3936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:25,969 INFO L185 Difference]: Start difference. First operand has 171 places, 149 transitions, 599 flow. Second operand 23 states and 2300 transitions. [2021-03-11 02:46:25,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 355 transitions, 2109 flow [2021-03-11 02:46:25,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 355 transitions, 2062 flow, removed 17 selfloop flow, removed 5 redundant places. [2021-03-11 02:46:25,989 INFO L241 Difference]: Finished difference. Result has 201 places, 208 transitions, 1268 flow [2021-03-11 02:46:25,989 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=1268, PETRI_PLACES=201, PETRI_TRANSITIONS=208} [2021-03-11 02:46:25,990 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 51 predicate places. [2021-03-11 02:46:25,990 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 208 transitions, 1268 flow [2021-03-11 02:46:25,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 93.11764705882354) internal successors, (1583), 17 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:25,990 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:46:25,990 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:46:25,990 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 02:46:25,990 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]=== [2021-03-11 02:46:25,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:46:25,991 INFO L82 PathProgramCache]: Analyzing trace with hash 622055604, now seen corresponding path program 3 times [2021-03-11 02:46:25,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:46:25,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299625997] [2021-03-11 02:46:25,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:46:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:46:26,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:26,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:26,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:26,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:46:26,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:26,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:46:26,187 INFO L142 QuantifierPusher]: treesize reduction 20, result has 51.2 percent of original size [2021-03-11 02:46:26,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 02:46:26,201 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 02:46:26,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:26,209 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-03-11 02:46:26,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:26,220 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-03-11 02:46:26,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:26,231 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-03-11 02:46:26,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:26,246 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.6 percent of original size [2021-03-11 02:46:26,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 02:46:26,272 INFO L142 QuantifierPusher]: treesize reduction 36, result has 60.0 percent of original size [2021-03-11 02:46:26,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-11 02:46:26,316 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.7 percent of original size [2021-03-11 02:46:26,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-11 02:46:26,354 INFO L142 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-03-11 02:46:26,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-11 02:46:26,375 INFO L142 QuantifierPusher]: treesize reduction 36, result has 66.4 percent of original size [2021-03-11 02:46:26,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-11 02:46:26,411 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.3 percent of original size [2021-03-11 02:46:26,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 02:46:26,424 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.9 percent of original size [2021-03-11 02:46:26,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 02:46:26,449 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-03-11 02:46:26,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-11 02:46:26,472 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-11 02:46:26,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 02:46:26,493 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 02:46:26,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:26,506 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 02:46:26,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:26,508 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:46:26,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:46:26,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:26,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:26,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:26,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:26,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:26,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:26,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:26,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:26,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:46:26,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299625997] [2021-03-11 02:46:26,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:46:26,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-03-11 02:46:26,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929269620] [2021-03-11 02:46:26,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-11 02:46:26,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:46:26,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-11 02:46:26,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2021-03-11 02:46:26,557 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 164 [2021-03-11 02:46:26,558 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 208 transitions, 1268 flow. Second operand has 21 states, 21 states have (on average 64.0952380952381) internal successors, (1346), 21 states have internal predecessors, (1346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:26,558 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:46:26,558 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 164 [2021-03-11 02:46:26,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:46:28,920 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2021-03-11 02:46:29,337 INFO L129 PetriNetUnfolder]: 3809/8139 cut-off events. [2021-03-11 02:46:29,337 INFO L130 PetriNetUnfolder]: For 17365/17453 co-relation queries the response was YES. [2021-03-11 02:46:29,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22939 conditions, 8139 events. 3809/8139 cut-off events. For 17365/17453 co-relation queries the response was YES. Maximal size of possible extension queue 376. Compared 68640 event pairs, 283 based on Foata normal form. 37/8118 useless extension candidates. Maximal degree in co-relation 22899. Up to 1600 conditions per place. [2021-03-11 02:46:29,385 INFO L132 encePairwiseOnDemand]: 137/164 looper letters, 265 selfloop transitions, 105 changer transitions 1/418 dead transitions. [2021-03-11 02:46:29,385 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 418 transitions, 3120 flow [2021-03-11 02:46:29,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-11 02:46:29,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-03-11 02:46:29,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 1957 transitions. [2021-03-11 02:46:29,388 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4261759581881533 [2021-03-11 02:46:29,388 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 1957 transitions. [2021-03-11 02:46:29,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 1957 transitions. [2021-03-11 02:46:29,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:46:29,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 1957 transitions. [2021-03-11 02:46:29,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 69.89285714285714) internal successors, (1957), 28 states have internal predecessors, (1957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:29,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 164.0) internal successors, (4756), 29 states have internal predecessors, (4756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:29,396 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 164.0) internal successors, (4756), 29 states have internal predecessors, (4756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:29,396 INFO L185 Difference]: Start difference. First operand has 201 places, 208 transitions, 1268 flow. Second operand 28 states and 1957 transitions. [2021-03-11 02:46:29,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 418 transitions, 3120 flow [2021-03-11 02:46:29,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 418 transitions, 3038 flow, removed 33 selfloop flow, removed 6 redundant places. [2021-03-11 02:46:29,453 INFO L241 Difference]: Finished difference. Result has 235 places, 263 transitions, 2056 flow [2021-03-11 02:46:29,453 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=1211, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=2056, PETRI_PLACES=235, PETRI_TRANSITIONS=263} [2021-03-11 02:46:29,454 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 85 predicate places. [2021-03-11 02:46:29,454 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 263 transitions, 2056 flow [2021-03-11 02:46:29,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 64.0952380952381) internal successors, (1346), 21 states have internal predecessors, (1346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:29,454 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:46:29,454 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:46:29,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 02:46:29,454 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]=== [2021-03-11 02:46:29,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:46:29,455 INFO L82 PathProgramCache]: Analyzing trace with hash -811456118, now seen corresponding path program 4 times [2021-03-11 02:46:29,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:46:29,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025342683] [2021-03-11 02:46:29,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:46:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:46:29,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:29,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:29,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:29,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:29,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:29,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:46:29,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:29,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:46:29,586 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-03-11 02:46:29,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:46:29,593 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:46:29,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:29,602 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:46:29,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:29,610 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-03-11 02:46:29,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:46:29,619 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-03-11 02:46:29,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 02:46:29,628 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:46:29,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:29,641 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-11 02:46:29,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 02:46:29,652 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:46:29,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:29,655 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:46:29,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:29,665 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:46:29,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:29,666 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:46:29,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:46:29,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:29,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:29,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:29,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:29,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:29,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:29,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:29,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:29,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:46:29,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025342683] [2021-03-11 02:46:29,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:46:29,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-03-11 02:46:29,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435431522] [2021-03-11 02:46:29,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 02:46:29,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:46:29,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 02:46:29,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-03-11 02:46:29,704 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 164 [2021-03-11 02:46:29,705 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 263 transitions, 2056 flow. Second operand has 15 states, 15 states have (on average 71.86666666666666) internal successors, (1078), 15 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:29,705 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:46:29,705 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 164 [2021-03-11 02:46:29,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:46:31,011 INFO L129 PetriNetUnfolder]: 1916/5643 cut-off events. [2021-03-11 02:46:31,011 INFO L130 PetriNetUnfolder]: For 18090/18210 co-relation queries the response was YES. [2021-03-11 02:46:31,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17091 conditions, 5643 events. 1916/5643 cut-off events. For 18090/18210 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 54024 event pairs, 558 based on Foata normal form. 34/5587 useless extension candidates. Maximal degree in co-relation 17039. Up to 1428 conditions per place. [2021-03-11 02:46:31,051 INFO L132 encePairwiseOnDemand]: 141/164 looper letters, 251 selfloop transitions, 81 changer transitions 0/396 dead transitions. [2021-03-11 02:46:31,051 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 396 transitions, 3822 flow [2021-03-11 02:46:31,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-11 02:46:31,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-11 02:46:31,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1436 transitions. [2021-03-11 02:46:31,053 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.46084724005134786 [2021-03-11 02:46:31,053 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1436 transitions. [2021-03-11 02:46:31,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1436 transitions. [2021-03-11 02:46:31,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:46:31,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1436 transitions. [2021-03-11 02:46:31,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 75.57894736842105) internal successors, (1436), 19 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:31,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 164.0) internal successors, (3280), 20 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:31,058 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 164.0) internal successors, (3280), 20 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:31,058 INFO L185 Difference]: Start difference. First operand has 235 places, 263 transitions, 2056 flow. Second operand 19 states and 1436 transitions. [2021-03-11 02:46:31,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 396 transitions, 3822 flow [2021-03-11 02:46:31,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 396 transitions, 3738 flow, removed 31 selfloop flow, removed 5 redundant places. [2021-03-11 02:46:31,128 INFO L241 Difference]: Finished difference. Result has 257 places, 297 transitions, 2720 flow [2021-03-11 02:46:31,129 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=1995, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2720, PETRI_PLACES=257, PETRI_TRANSITIONS=297} [2021-03-11 02:46:31,129 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 107 predicate places. [2021-03-11 02:46:31,129 INFO L480 AbstractCegarLoop]: Abstraction has has 257 places, 297 transitions, 2720 flow [2021-03-11 02:46:31,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.86666666666666) internal successors, (1078), 15 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:31,129 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:46:31,130 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:46:31,130 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 02:46:31,130 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]=== [2021-03-11 02:46:31,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:46:31,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1962381630, now seen corresponding path program 2 times [2021-03-11 02:46:31,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:46:31,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730957108] [2021-03-11 02:46:31,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:46:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:46:31,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:31,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:31,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:31,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 02:46:31,220 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-11 02:46:31,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:46:31,226 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-11 02:46:31,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:46:31,233 INFO L142 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-03-11 02:46:31,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:46:31,241 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-11 02:46:31,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:46:31,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:31,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:46:31,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:31,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:46:31,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:31,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:31,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:31,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:31,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:31,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:31,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:31,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 02:46:31,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:31,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:31,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:31,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 02:46:31,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:31,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:46:31,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:31,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:31,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:31,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:31,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:46:31,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730957108] [2021-03-11 02:46:31,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:46:31,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 02:46:31,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584499427] [2021-03-11 02:46:31,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 02:46:31,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:46:31,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 02:46:31,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-03-11 02:46:31,344 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 164 [2021-03-11 02:46:31,349 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 297 transitions, 2720 flow. Second operand has 14 states, 14 states have (on average 99.35714285714286) internal successors, (1391), 14 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:31,349 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:46:31,349 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 164 [2021-03-11 02:46:31,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:46:32,836 INFO L129 PetriNetUnfolder]: 2778/7491 cut-off events. [2021-03-11 02:46:32,836 INFO L130 PetriNetUnfolder]: For 30810/30945 co-relation queries the response was YES. [2021-03-11 02:46:32,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24113 conditions, 7491 events. 2778/7491 cut-off events. For 30810/30945 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 71933 event pairs, 978 based on Foata normal form. 74/7502 useless extension candidates. Maximal degree in co-relation 24051. Up to 4050 conditions per place. [2021-03-11 02:46:32,894 INFO L132 encePairwiseOnDemand]: 149/164 looper letters, 226 selfloop transitions, 69 changer transitions 0/420 dead transitions. [2021-03-11 02:46:32,894 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 420 transitions, 4690 flow [2021-03-11 02:46:32,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-11 02:46:32,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-11 02:46:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1739 transitions. [2021-03-11 02:46:32,896 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6237446197991392 [2021-03-11 02:46:32,896 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1739 transitions. [2021-03-11 02:46:32,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1739 transitions. [2021-03-11 02:46:32,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:46:32,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1739 transitions. [2021-03-11 02:46:32,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 102.29411764705883) internal successors, (1739), 17 states have internal predecessors, (1739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:32,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 164.0) internal successors, (2952), 18 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:32,901 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 164.0) internal successors, (2952), 18 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:32,901 INFO L185 Difference]: Start difference. First operand has 257 places, 297 transitions, 2720 flow. Second operand 17 states and 1739 transitions. [2021-03-11 02:46:32,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 420 transitions, 4690 flow [2021-03-11 02:46:32,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 420 transitions, 4533 flow, removed 65 selfloop flow, removed 5 redundant places. [2021-03-11 02:46:33,044 INFO L241 Difference]: Finished difference. Result has 275 places, 334 transitions, 3317 flow [2021-03-11 02:46:33,045 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=2598, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=3317, PETRI_PLACES=275, PETRI_TRANSITIONS=334} [2021-03-11 02:46:33,045 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 125 predicate places. [2021-03-11 02:46:33,045 INFO L480 AbstractCegarLoop]: Abstraction has has 275 places, 334 transitions, 3317 flow [2021-03-11 02:46:33,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 99.35714285714286) internal successors, (1391), 14 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:33,045 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:46:33,046 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:46:33,046 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 02:46:33,046 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]=== [2021-03-11 02:46:33,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:46:33,046 INFO L82 PathProgramCache]: Analyzing trace with hash -287431338, now seen corresponding path program 5 times [2021-03-11 02:46:33,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:46:33,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970828817] [2021-03-11 02:46:33,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:46:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:46:33,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:33,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:33,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:33,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:46:33,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:33,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:46:33,166 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-03-11 02:46:33,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:46:33,180 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 02:46:33,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:33,189 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 02:46:33,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:33,199 INFO L142 QuantifierPusher]: treesize reduction 14, result has 51.7 percent of original size [2021-03-11 02:46:33,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:46:33,209 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 02:46:33,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 02:46:33,217 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:46:33,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:33,227 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-11 02:46:33,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 02:46:33,234 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:46:33,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:33,235 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 02:46:33,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:33,248 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 02:46:33,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:33,249 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:46:33,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:46:33,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:33,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:33,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:33,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:33,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:33,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:33,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:33,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:46:33,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970828817] [2021-03-11 02:46:33,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:46:33,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-03-11 02:46:33,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854239435] [2021-03-11 02:46:33,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 02:46:33,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:46:33,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 02:46:33,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-03-11 02:46:33,283 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 164 [2021-03-11 02:46:33,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 334 transitions, 3317 flow. Second operand has 15 states, 15 states have (on average 71.86666666666666) internal successors, (1078), 15 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:33,284 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:46:33,284 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 164 [2021-03-11 02:46:33,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:46:34,776 INFO L129 PetriNetUnfolder]: 2128/6581 cut-off events. [2021-03-11 02:46:34,776 INFO L130 PetriNetUnfolder]: For 27750/27865 co-relation queries the response was YES. [2021-03-11 02:46:34,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21799 conditions, 6581 events. 2128/6581 cut-off events. For 27750/27865 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 66846 event pairs, 366 based on Foata normal form. 64/6587 useless extension candidates. Maximal degree in co-relation 21729. Up to 1255 conditions per place. [2021-03-11 02:46:34,903 INFO L132 encePairwiseOnDemand]: 140/164 looper letters, 215 selfloop transitions, 160 changer transitions 0/447 dead transitions. [2021-03-11 02:46:34,903 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 447 transitions, 5020 flow [2021-03-11 02:46:34,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-11 02:46:34,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-11 02:46:34,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1440 transitions. [2021-03-11 02:46:34,905 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4621309370988447 [2021-03-11 02:46:34,905 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1440 transitions. [2021-03-11 02:46:34,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1440 transitions. [2021-03-11 02:46:34,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:46:34,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1440 transitions. [2021-03-11 02:46:34,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 75.78947368421052) internal successors, (1440), 19 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:34,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 164.0) internal successors, (3280), 20 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:34,909 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 164.0) internal successors, (3280), 20 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:34,910 INFO L185 Difference]: Start difference. First operand has 275 places, 334 transitions, 3317 flow. Second operand 19 states and 1440 transitions. [2021-03-11 02:46:34,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 447 transitions, 5020 flow [2021-03-11 02:46:35,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 447 transitions, 4925 flow, removed 42 selfloop flow, removed 6 redundant places. [2021-03-11 02:46:35,014 INFO L241 Difference]: Finished difference. Result has 294 places, 364 transitions, 4215 flow [2021-03-11 02:46:35,015 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=3238, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4215, PETRI_PLACES=294, PETRI_TRANSITIONS=364} [2021-03-11 02:46:35,015 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 144 predicate places. [2021-03-11 02:46:35,015 INFO L480 AbstractCegarLoop]: Abstraction has has 294 places, 364 transitions, 4215 flow [2021-03-11 02:46:35,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.86666666666666) internal successors, (1078), 15 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:35,015 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:46:35,015 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:46:35,015 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-11 02:46:35,015 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]=== [2021-03-11 02:46:35,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:46:35,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1394992154, now seen corresponding path program 6 times [2021-03-11 02:46:35,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:46:35,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421851235] [2021-03-11 02:46:35,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:46:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:46:35,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:35,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:35,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:35,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:46:35,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:35,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:46:35,116 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-03-11 02:46:35,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:46:35,123 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:46:35,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:35,131 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-03-11 02:46:35,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:35,143 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-03-11 02:46:35,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 02:46:35,157 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-03-11 02:46:35,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 02:46:35,171 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-11 02:46:35,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 02:46:35,187 INFO L142 QuantifierPusher]: treesize reduction 16, result has 67.3 percent of original size [2021-03-11 02:46:35,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 02:46:35,204 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.4 percent of original size [2021-03-11 02:46:35,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 02:46:35,215 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.4 percent of original size [2021-03-11 02:46:35,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 02:46:35,226 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.7 percent of original size [2021-03-11 02:46:35,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 02:46:35,240 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-11 02:46:35,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 02:46:35,253 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-03-11 02:46:35,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 02:46:35,264 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-03-11 02:46:35,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 02:46:35,265 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:46:35,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:35,275 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:46:35,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:46:35,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:35,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:35,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:35,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:35,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:35,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:35,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:35,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:35,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:46:35,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421851235] [2021-03-11 02:46:35,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:46:35,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-03-11 02:46:35,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304244110] [2021-03-11 02:46:35,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-11 02:46:35,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:46:35,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-11 02:46:35,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2021-03-11 02:46:35,316 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 164 [2021-03-11 02:46:35,317 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 364 transitions, 4215 flow. Second operand has 19 states, 19 states have (on average 65.36842105263158) internal successors, (1242), 19 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:35,317 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:46:35,317 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 164 [2021-03-11 02:46:35,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:46:38,116 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2021-03-11 02:46:38,380 INFO L129 PetriNetUnfolder]: 5315/12826 cut-off events. [2021-03-11 02:46:38,381 INFO L130 PetriNetUnfolder]: For 68537/68668 co-relation queries the response was YES. [2021-03-11 02:46:38,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44555 conditions, 12826 events. 5315/12826 cut-off events. For 68537/68668 co-relation queries the response was YES. Maximal size of possible extension queue 544. Compared 126966 event pairs, 2225 based on Foata normal form. 76/12818 useless extension candidates. Maximal degree in co-relation 44478. Up to 6323 conditions per place. [2021-03-11 02:46:38,486 INFO L132 encePairwiseOnDemand]: 139/164 looper letters, 368 selfloop transitions, 122 changer transitions 0/539 dead transitions. [2021-03-11 02:46:38,486 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 539 transitions, 7012 flow [2021-03-11 02:46:38,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-11 02:46:38,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-11 02:46:38,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1347 transitions. [2021-03-11 02:46:38,488 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4322849807445443 [2021-03-11 02:46:38,488 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1347 transitions. [2021-03-11 02:46:38,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1347 transitions. [2021-03-11 02:46:38,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:46:38,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1347 transitions. [2021-03-11 02:46:38,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 70.89473684210526) internal successors, (1347), 19 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) [2021-03-11 02:46:38,492 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 164.0) internal successors, (3280), 20 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:38,493 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 164.0) internal successors, (3280), 20 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:38,493 INFO L185 Difference]: Start difference. First operand has 294 places, 364 transitions, 4215 flow. Second operand 19 states and 1347 transitions. [2021-03-11 02:46:38,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 539 transitions, 7012 flow [2021-03-11 02:46:38,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 539 transitions, 6814 flow, removed 60 selfloop flow, removed 7 redundant places. [2021-03-11 02:46:38,820 INFO L241 Difference]: Finished difference. Result has 315 places, 409 transitions, 5200 flow [2021-03-11 02:46:38,821 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=4066, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=5200, PETRI_PLACES=315, PETRI_TRANSITIONS=409} [2021-03-11 02:46:38,821 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 165 predicate places. [2021-03-11 02:46:38,821 INFO L480 AbstractCegarLoop]: Abstraction has has 315 places, 409 transitions, 5200 flow [2021-03-11 02:46:38,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 65.36842105263158) internal successors, (1242), 19 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:38,821 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:46:38,822 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:46:38,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-11 02:46:38,822 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]=== [2021-03-11 02:46:38,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:46:38,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1498841068, now seen corresponding path program 7 times [2021-03-11 02:46:38,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:46:38,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806368647] [2021-03-11 02:46:38,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:46:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:46:38,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:38,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:38,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:38,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:38,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:38,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:46:38,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:38,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:46:38,943 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-03-11 02:46:38,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:46:38,951 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:46:38,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:38,959 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-03-11 02:46:38,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:46:38,967 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-03-11 02:46:38,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:46:38,977 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-03-11 02:46:38,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 02:46:38,986 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:46:38,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:38,999 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-11 02:46:38,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 02:46:39,007 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:46:39,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:39,008 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:46:39,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:39,019 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:46:39,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:39,019 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:46:39,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:46:39,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:39,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:39,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:39,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:39,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:39,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:39,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:39,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:39,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:46:39,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806368647] [2021-03-11 02:46:39,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:46:39,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-03-11 02:46:39,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986400733] [2021-03-11 02:46:39,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 02:46:39,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:46:39,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 02:46:39,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-03-11 02:46:39,058 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 164 [2021-03-11 02:46:39,059 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 409 transitions, 5200 flow. Second operand has 15 states, 15 states have (on average 71.86666666666666) internal successors, (1078), 15 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:39,059 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:46:39,059 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 164 [2021-03-11 02:46:39,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:46:41,729 INFO L129 PetriNetUnfolder]: 3923/12829 cut-off events. [2021-03-11 02:46:41,729 INFO L130 PetriNetUnfolder]: For 82239/82708 co-relation queries the response was YES. [2021-03-11 02:46:41,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44665 conditions, 12829 events. 3923/12829 cut-off events. For 82239/82708 co-relation queries the response was YES. Maximal size of possible extension queue 709. Compared 149932 event pairs, 1271 based on Foata normal form. 164/12828 useless extension candidates. Maximal degree in co-relation 44579. Up to 3469 conditions per place. [2021-03-11 02:46:41,848 INFO L132 encePairwiseOnDemand]: 142/164 looper letters, 408 selfloop transitions, 152 changer transitions 0/626 dead transitions. [2021-03-11 02:46:41,848 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 626 transitions, 9288 flow [2021-03-11 02:46:41,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-11 02:46:41,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-11 02:46:41,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1349 transitions. [2021-03-11 02:46:41,850 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4569783197831978 [2021-03-11 02:46:41,850 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1349 transitions. [2021-03-11 02:46:41,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1349 transitions. [2021-03-11 02:46:41,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:46:41,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1349 transitions. [2021-03-11 02:46:41,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 74.94444444444444) internal successors, (1349), 18 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:41,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 164.0) internal successors, (3116), 19 states have internal predecessors, (3116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:41,854 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 164.0) internal successors, (3116), 19 states have internal predecessors, (3116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:41,854 INFO L185 Difference]: Start difference. First operand has 315 places, 409 transitions, 5200 flow. Second operand 18 states and 1349 transitions. [2021-03-11 02:46:41,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 626 transitions, 9288 flow [2021-03-11 02:46:42,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 626 transitions, 9149 flow, removed 23 selfloop flow, removed 6 redundant places. [2021-03-11 02:46:42,243 INFO L241 Difference]: Finished difference. Result has 336 places, 471 transitions, 6556 flow [2021-03-11 02:46:42,243 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=5092, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=6556, PETRI_PLACES=336, PETRI_TRANSITIONS=471} [2021-03-11 02:46:42,244 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 186 predicate places. [2021-03-11 02:46:42,244 INFO L480 AbstractCegarLoop]: Abstraction has has 336 places, 471 transitions, 6556 flow [2021-03-11 02:46:42,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.86666666666666) internal successors, (1078), 15 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:42,244 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:46:42,244 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:46:42,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-11 02:46:42,244 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]=== [2021-03-11 02:46:42,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:46:42,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1765101792, now seen corresponding path program 8 times [2021-03-11 02:46:42,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:46:42,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506234132] [2021-03-11 02:46:42,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:46:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:46:42,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:42,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:42,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:42,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:46:42,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:42,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:46:42,360 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-03-11 02:46:42,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:46:42,366 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:46:42,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:42,374 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-03-11 02:46:42,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:42,384 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-03-11 02:46:42,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:42,395 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:46:42,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:42,406 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-11 02:46:42,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 02:46:42,425 INFO L142 QuantifierPusher]: treesize reduction 16, result has 67.3 percent of original size [2021-03-11 02:46:42,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 02:46:42,444 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.4 percent of original size [2021-03-11 02:46:42,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 02:46:42,456 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.4 percent of original size [2021-03-11 02:46:42,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 02:46:42,467 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.7 percent of original size [2021-03-11 02:46:42,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 02:46:42,481 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-11 02:46:42,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 02:46:42,495 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-03-11 02:46:42,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 02:46:42,506 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:46:42,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:42,516 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:46:42,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:42,517 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:46:42,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:46:42,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:42,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:42,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:42,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:42,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:42,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:42,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:42,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:46:42,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506234132] [2021-03-11 02:46:42,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:46:42,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-03-11 02:46:42,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224284997] [2021-03-11 02:46:42,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-11 02:46:42,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:46:42,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-11 02:46:42,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2021-03-11 02:46:42,554 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 164 [2021-03-11 02:46:42,555 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 471 transitions, 6556 flow. Second operand has 19 states, 19 states have (on average 65.36842105263158) internal successors, (1242), 19 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:42,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:46:42,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 164 [2021-03-11 02:46:42,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:46:49,963 INFO L129 PetriNetUnfolder]: 11677/29473 cut-off events. [2021-03-11 02:46:49,963 INFO L130 PetriNetUnfolder]: For 192506/192751 co-relation queries the response was YES. [2021-03-11 02:46:50,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107731 conditions, 29473 events. 11677/29473 cut-off events. For 192506/192751 co-relation queries the response was YES. Maximal size of possible extension queue 1395. Compared 346742 event pairs, 3200 based on Foata normal form. 143/29365 useless extension candidates. Maximal degree in co-relation 107634. Up to 5967 conditions per place. [2021-03-11 02:46:50,650 INFO L132 encePairwiseOnDemand]: 137/164 looper letters, 661 selfloop transitions, 241 changer transitions 0/951 dead transitions. [2021-03-11 02:46:50,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 951 transitions, 14926 flow [2021-03-11 02:46:50,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 02:46:50,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 02:46:50,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 1838 transitions. [2021-03-11 02:46:50,652 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.43105065666041276 [2021-03-11 02:46:50,652 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 1838 transitions. [2021-03-11 02:46:50,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 1838 transitions. [2021-03-11 02:46:50,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:46:50,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 1838 transitions. [2021-03-11 02:46:50,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 70.6923076923077) internal successors, (1838), 26 states have internal predecessors, (1838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:50,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 164.0) internal successors, (4428), 27 states have internal predecessors, (4428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:50,657 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 164.0) internal successors, (4428), 27 states have internal predecessors, (4428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:50,657 INFO L185 Difference]: Start difference. First operand has 336 places, 471 transitions, 6556 flow. Second operand 26 states and 1838 transitions. [2021-03-11 02:46:50,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 951 transitions, 14926 flow [2021-03-11 02:46:51,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 951 transitions, 14817 flow, removed 48 selfloop flow, removed 5 redundant places. [2021-03-11 02:46:51,918 INFO L241 Difference]: Finished difference. Result has 372 places, 606 transitions, 9747 flow [2021-03-11 02:46:51,919 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=6461, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=9747, PETRI_PLACES=372, PETRI_TRANSITIONS=606} [2021-03-11 02:46:51,919 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 222 predicate places. [2021-03-11 02:46:51,919 INFO L480 AbstractCegarLoop]: Abstraction has has 372 places, 606 transitions, 9747 flow [2021-03-11 02:46:51,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 65.36842105263158) internal successors, (1242), 19 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:51,919 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:46:51,919 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:46:51,919 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-11 02:46:51,919 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]=== [2021-03-11 02:46:51,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:46:51,920 INFO L82 PathProgramCache]: Analyzing trace with hash -732970274, now seen corresponding path program 9 times [2021-03-11 02:46:51,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:46:51,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16164156] [2021-03-11 02:46:51,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:46:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:46:51,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:51,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:51,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:51,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:51,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:51,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:51,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:51,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:51,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:51,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:46:52,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:52,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:46:52,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:52,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:46:52,019 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.0 percent of original size [2021-03-11 02:46:52,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 02:46:52,039 INFO L142 QuantifierPusher]: treesize reduction 13, result has 73.5 percent of original size [2021-03-11 02:46:52,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 02:46:52,074 INFO L142 QuantifierPusher]: treesize reduction 26, result has 67.5 percent of original size [2021-03-11 02:46:52,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-11 02:46:52,112 INFO L142 QuantifierPusher]: treesize reduction 26, result has 63.9 percent of original size [2021-03-11 02:46:52,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 02:46:52,114 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:46:52,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:46:52,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:52,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:52,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:46:52,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16164156] [2021-03-11 02:46:52,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:46:52,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 02:46:52,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925376363] [2021-03-11 02:46:52,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-11 02:46:52,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:46:52,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-11 02:46:52,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-11 02:46:52,117 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 164 [2021-03-11 02:46:52,117 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 606 transitions, 9747 flow. Second operand has 11 states, 11 states have (on average 116.9090909090909) internal successors, (1286), 11 states have internal predecessors, (1286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:52,118 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:46:52,118 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 164 [2021-03-11 02:46:52,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:46:56,029 INFO L129 PetriNetUnfolder]: 4194/17273 cut-off events. [2021-03-11 02:46:56,029 INFO L130 PetriNetUnfolder]: For 148139/148843 co-relation queries the response was YES. [2021-03-11 02:46:56,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67511 conditions, 17273 events. 4194/17273 cut-off events. For 148139/148843 co-relation queries the response was YES. Maximal size of possible extension queue 979. Compared 233920 event pairs, 1336 based on Foata normal form. 193/17307 useless extension candidates. Maximal degree in co-relation 67399. Up to 5973 conditions per place. [2021-03-11 02:46:56,231 INFO L132 encePairwiseOnDemand]: 152/164 looper letters, 322 selfloop transitions, 54 changer transitions 0/734 dead transitions. [2021-03-11 02:46:56,232 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 734 transitions, 12369 flow [2021-03-11 02:46:56,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 02:46:56,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-11 02:46:56,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1335 transitions. [2021-03-11 02:46:56,233 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7400221729490022 [2021-03-11 02:46:56,233 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1335 transitions. [2021-03-11 02:46:56,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1335 transitions. [2021-03-11 02:46:56,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:46:56,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1335 transitions. [2021-03-11 02:46:56,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 121.36363636363636) internal successors, (1335), 11 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:56,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 164.0) internal successors, (1968), 12 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:56,236 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 164.0) internal successors, (1968), 12 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:56,236 INFO L185 Difference]: Start difference. First operand has 372 places, 606 transitions, 9747 flow. Second operand 11 states and 1335 transitions. [2021-03-11 02:46:56,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 734 transitions, 12369 flow [2021-03-11 02:46:57,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 734 transitions, 12011 flow, removed 168 selfloop flow, removed 5 redundant places. [2021-03-11 02:46:57,189 INFO L241 Difference]: Finished difference. Result has 382 places, 623 transitions, 9896 flow [2021-03-11 02:46:57,189 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=9467, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=553, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=9896, PETRI_PLACES=382, PETRI_TRANSITIONS=623} [2021-03-11 02:46:57,189 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 232 predicate places. [2021-03-11 02:46:57,189 INFO L480 AbstractCegarLoop]: Abstraction has has 382 places, 623 transitions, 9896 flow [2021-03-11 02:46:57,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 116.9090909090909) internal successors, (1286), 11 states have internal predecessors, (1286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:57,190 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:46:57,190 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:46:57,190 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-11 02:46:57,190 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]=== [2021-03-11 02:46:57,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:46:57,190 INFO L82 PathProgramCache]: Analyzing trace with hash 2060373526, now seen corresponding path program 10 times [2021-03-11 02:46:57,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:46:57,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540398940] [2021-03-11 02:46:57,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:46:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:46:57,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:57,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:57,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:57,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:57,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:57,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:46:57,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:57,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:46:57,314 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-03-11 02:46:57,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:46:57,320 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:46:57,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:57,327 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-03-11 02:46:57,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:57,339 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-03-11 02:46:57,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 02:46:57,350 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-03-11 02:46:57,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:46:57,364 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-03-11 02:46:57,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:46:57,380 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-11 02:46:57,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:57,395 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 02:46:57,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:46:57,417 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 02:46:57,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:46:57,428 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-11 02:46:57,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 02:46:57,443 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:46:57,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:57,453 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:46:57,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:46:57,463 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:46:57,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:46:57,475 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:46:57,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:46:57,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:57,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:46:57,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:57,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:57,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:57,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:46:57,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:46:57,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:46:57,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:46:57,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540398940] [2021-03-11 02:46:57,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:46:57,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-03-11 02:46:57,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095050022] [2021-03-11 02:46:57,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-11 02:46:57,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:46:57,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-11 02:46:57,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-03-11 02:46:57,519 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 164 [2021-03-11 02:46:57,520 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 623 transitions, 9896 flow. Second operand has 18 states, 18 states have (on average 64.61111111111111) internal successors, (1163), 18 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:46:57,520 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:46:57,520 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 164 [2021-03-11 02:46:57,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:47:06,382 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-03-11 02:47:06,660 INFO L129 PetriNetUnfolder]: 14027/34593 cut-off events. [2021-03-11 02:47:06,660 INFO L130 PetriNetUnfolder]: For 281904/282359 co-relation queries the response was YES. [2021-03-11 02:47:07,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140968 conditions, 34593 events. 14027/34593 cut-off events. For 281904/282359 co-relation queries the response was YES. Maximal size of possible extension queue 1514. Compared 406638 event pairs, 6117 based on Foata normal form. 100/34323 useless extension candidates. Maximal degree in co-relation 140850. Up to 15185 conditions per place. [2021-03-11 02:47:07,689 INFO L132 encePairwiseOnDemand]: 140/164 looper letters, 568 selfloop transitions, 242 changer transitions 0/858 dead transitions. [2021-03-11 02:47:07,690 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 858 transitions, 14194 flow [2021-03-11 02:47:07,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-11 02:47:07,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-11 02:47:07,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1465 transitions. [2021-03-11 02:47:07,691 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4253774680603949 [2021-03-11 02:47:07,691 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1465 transitions. [2021-03-11 02:47:07,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1465 transitions. [2021-03-11 02:47:07,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:47:07,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1465 transitions. [2021-03-11 02:47:07,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 69.76190476190476) internal successors, (1465), 21 states have internal predecessors, (1465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:07,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 164.0) internal successors, (3608), 22 states have internal predecessors, (3608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:07,695 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 164.0) internal successors, (3608), 22 states have internal predecessors, (3608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:07,695 INFO L185 Difference]: Start difference. First operand has 382 places, 623 transitions, 9896 flow. Second operand 21 states and 1465 transitions. [2021-03-11 02:47:07,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 858 transitions, 14194 flow [2021-03-11 02:47:09,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 858 transitions, 14133 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-03-11 02:47:09,522 INFO L241 Difference]: Finished difference. Result has 406 places, 671 transitions, 11497 flow [2021-03-11 02:47:09,523 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=9850, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=623, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=194, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=11497, PETRI_PLACES=406, PETRI_TRANSITIONS=671} [2021-03-11 02:47:09,523 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 256 predicate places. [2021-03-11 02:47:09,523 INFO L480 AbstractCegarLoop]: Abstraction has has 406 places, 671 transitions, 11497 flow [2021-03-11 02:47:09,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 64.61111111111111) internal successors, (1163), 18 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:09,523 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:47:09,523 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:47:09,523 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-11 02:47:09,524 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]=== [2021-03-11 02:47:09,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:47:09,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1730870716, now seen corresponding path program 11 times [2021-03-11 02:47:09,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:47:09,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911643724] [2021-03-11 02:47:09,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:47:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:47:09,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:09,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:47:09,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:09,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:47:09,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:09,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 02:47:09,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:09,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:47:09,619 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-11 02:47:09,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 02:47:09,631 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-03-11 02:47:09,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 02:47:09,640 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-03-11 02:47:09,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 02:47:09,648 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-03-11 02:47:09,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:47:09,657 INFO L142 QuantifierPusher]: treesize reduction 15, result has 48.3 percent of original size [2021-03-11 02:47:09,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 02:47:09,664 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-11 02:47:09,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:47:09,674 INFO L142 QuantifierPusher]: treesize reduction 16, result has 65.2 percent of original size [2021-03-11 02:47:09,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 02:47:09,680 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-11 02:47:09,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:47:09,681 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 02:47:09,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:47:09,694 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:47:09,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:47:09,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:09,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:47:09,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:09,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:47:09,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:09,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:47:09,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:09,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:47:09,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:47:09,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911643724] [2021-03-11 02:47:09,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:47:09,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-03-11 02:47:09,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031994719] [2021-03-11 02:47:09,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 02:47:09,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:47:09,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 02:47:09,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-03-11 02:47:09,730 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 164 [2021-03-11 02:47:09,731 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 671 transitions, 11497 flow. Second operand has 15 states, 15 states have (on average 71.86666666666666) internal successors, (1078), 15 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:09,731 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:47:09,731 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 164 [2021-03-11 02:47:09,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:47:17,574 INFO L129 PetriNetUnfolder]: 8649/29141 cut-off events. [2021-03-11 02:47:17,574 INFO L130 PetriNetUnfolder]: For 260475/261920 co-relation queries the response was YES. [2021-03-11 02:47:18,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119484 conditions, 29141 events. 8649/29141 cut-off events. For 260475/261920 co-relation queries the response was YES. Maximal size of possible extension queue 1761. Compared 398491 event pairs, 1609 based on Foata normal form. 732/29285 useless extension candidates. Maximal degree in co-relation 119357. Up to 5752 conditions per place. [2021-03-11 02:47:18,541 INFO L132 encePairwiseOnDemand]: 139/164 looper letters, 615 selfloop transitions, 368 changer transitions 0/1072 dead transitions. [2021-03-11 02:47:18,541 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 1072 transitions, 20131 flow [2021-03-11 02:47:18,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-11 02:47:18,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-11 02:47:18,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1443 transitions. [2021-03-11 02:47:18,542 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.46309370988446724 [2021-03-11 02:47:18,543 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1443 transitions. [2021-03-11 02:47:18,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1443 transitions. [2021-03-11 02:47:18,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:47:18,543 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1443 transitions. [2021-03-11 02:47:18,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 75.94736842105263) internal successors, (1443), 19 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) [2021-03-11 02:47:18,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 164.0) internal successors, (3280), 20 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:18,546 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 164.0) internal successors, (3280), 20 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:18,546 INFO L185 Difference]: Start difference. First operand has 406 places, 671 transitions, 11497 flow. Second operand 19 states and 1443 transitions. [2021-03-11 02:47:18,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 1072 transitions, 20131 flow [2021-03-11 02:47:19,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 1072 transitions, 19866 flow, removed 44 selfloop flow, removed 8 redundant places. [2021-03-11 02:47:20,004 INFO L241 Difference]: Finished difference. Result has 425 places, 802 transitions, 15438 flow [2021-03-11 02:47:20,005 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=11285, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=671, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=247, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=15438, PETRI_PLACES=425, PETRI_TRANSITIONS=802} [2021-03-11 02:47:20,005 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 275 predicate places. [2021-03-11 02:47:20,005 INFO L480 AbstractCegarLoop]: Abstraction has has 425 places, 802 transitions, 15438 flow [2021-03-11 02:47:20,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.86666666666666) internal successors, (1078), 15 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:20,005 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:47:20,006 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:47:20,006 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-11 02:47:20,006 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]=== [2021-03-11 02:47:20,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:47:20,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1998473930, now seen corresponding path program 12 times [2021-03-11 02:47:20,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:47:20,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927104773] [2021-03-11 02:47:20,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:47:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:47:20,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:20,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:47:20,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:20,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:47:20,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:20,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:47:20,099 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-03-11 02:47:20,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:47:20,113 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 02:47:20,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:47:20,121 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-03-11 02:47:20,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:47:20,132 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-03-11 02:47:20,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:47:20,143 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-03-11 02:47:20,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 02:47:20,156 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-11 02:47:20,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 02:47:20,172 INFO L142 QuantifierPusher]: treesize reduction 16, result has 67.3 percent of original size [2021-03-11 02:47:20,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 02:47:20,188 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.4 percent of original size [2021-03-11 02:47:20,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 02:47:20,199 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.4 percent of original size [2021-03-11 02:47:20,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 02:47:20,209 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-03-11 02:47:20,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 02:47:20,224 INFO L142 QuantifierPusher]: treesize reduction 10, result has 67.7 percent of original size [2021-03-11 02:47:20,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 02:47:20,243 INFO L142 QuantifierPusher]: treesize reduction 10, result has 66.7 percent of original size [2021-03-11 02:47:20,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 02:47:20,253 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 02:47:20,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:47:20,263 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 02:47:20,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:47:20,264 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:47:20,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:47:20,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:20,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:47:20,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:20,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:47:20,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:20,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:47:20,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:20,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:47:20,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:47:20,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927104773] [2021-03-11 02:47:20,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:47:20,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-03-11 02:47:20,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499675510] [2021-03-11 02:47:20,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-11 02:47:20,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:47:20,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-11 02:47:20,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2021-03-11 02:47:20,301 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 164 [2021-03-11 02:47:20,302 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 802 transitions, 15438 flow. Second operand has 19 states, 19 states have (on average 65.36842105263158) internal successors, (1242), 19 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:20,302 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:47:20,302 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 164 [2021-03-11 02:47:20,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:47:20,794 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-03-11 02:47:33,086 INFO L129 PetriNetUnfolder]: 15141/40624 cut-off events. [2021-03-11 02:47:33,086 INFO L130 PetriNetUnfolder]: For 425950/426662 co-relation queries the response was YES. [2021-03-11 02:47:34,351 INFO L84 FinitePrefix]: Finished finitePrefix Result has 177882 conditions, 40624 events. 15141/40624 cut-off events. For 425950/426662 co-relation queries the response was YES. Maximal size of possible extension queue 2040. Compared 516808 event pairs, 6805 based on Foata normal form. 214/40410 useless extension candidates. Maximal degree in co-relation 177746. Up to 8780 conditions per place. [2021-03-11 02:47:34,465 INFO L132 encePairwiseOnDemand]: 138/164 looper letters, 777 selfloop transitions, 270 changer transitions 0/1096 dead transitions. [2021-03-11 02:47:34,465 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 1096 transitions, 22060 flow [2021-03-11 02:47:34,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-11 02:47:34,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-11 02:47:34,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1366 transitions. [2021-03-11 02:47:34,467 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.43838254172015406 [2021-03-11 02:47:34,467 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1366 transitions. [2021-03-11 02:47:34,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1366 transitions. [2021-03-11 02:47:34,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:47:34,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1366 transitions. [2021-03-11 02:47:34,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 71.89473684210526) internal successors, (1366), 19 states have internal predecessors, (1366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:34,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 164.0) internal successors, (3280), 20 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:34,470 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 164.0) internal successors, (3280), 20 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:34,470 INFO L185 Difference]: Start difference. First operand has 425 places, 802 transitions, 15438 flow. Second operand 19 states and 1366 transitions. [2021-03-11 02:47:34,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 1096 transitions, 22060 flow [2021-03-11 02:47:37,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 1096 transitions, 21736 flow, removed 94 selfloop flow, removed 6 redundant places. [2021-03-11 02:47:37,765 INFO L241 Difference]: Finished difference. Result has 447 places, 854 transitions, 17280 flow [2021-03-11 02:47:37,766 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=15146, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=802, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=17280, PETRI_PLACES=447, PETRI_TRANSITIONS=854} [2021-03-11 02:47:37,766 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 297 predicate places. [2021-03-11 02:47:37,766 INFO L480 AbstractCegarLoop]: Abstraction has has 447 places, 854 transitions, 17280 flow [2021-03-11 02:47:37,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 65.36842105263158) internal successors, (1242), 19 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:37,767 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:47:37,767 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:47:37,767 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-11 02:47:37,767 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]=== [2021-03-11 02:47:37,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:47:37,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1942351146, now seen corresponding path program 13 times [2021-03-11 02:47:37,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:47:37,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055693378] [2021-03-11 02:47:37,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:47:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:47:37,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:37,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:47:37,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:37,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:47:37,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:37,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:47:37,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:37,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:47:37,862 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-03-11 02:47:37,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:47:37,869 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:47:37,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:47:37,877 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-03-11 02:47:37,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:47:37,889 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:47:37,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:47:37,901 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:47:37,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:47:37,914 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-11 02:47:37,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 02:47:37,928 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-11 02:47:37,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:47:37,940 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-11 02:47:37,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 02:47:37,957 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 02:47:37,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:47:37,965 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 02:47:37,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:47:37,974 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-11 02:47:37,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 02:47:37,987 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-03-11 02:47:37,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 02:47:37,999 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-03-11 02:47:37,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 02:47:37,999 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:47:38,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:47:38,011 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:47:38,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:47:38,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:38,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:47:38,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:38,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:47:38,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:38,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:47:38,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:38,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:47:38,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:47:38,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055693378] [2021-03-11 02:47:38,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:47:38,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-03-11 02:47:38,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204344035] [2021-03-11 02:47:38,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-11 02:47:38,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:47:38,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-11 02:47:38,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2021-03-11 02:47:38,050 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 164 [2021-03-11 02:47:38,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 854 transitions, 17280 flow. Second operand has 19 states, 19 states have (on average 65.36842105263158) internal successors, (1242), 19 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:38,050 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:47:38,050 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 164 [2021-03-11 02:47:38,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:47:50,765 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2021-03-11 02:47:51,708 INFO L129 PetriNetUnfolder]: 14438/38992 cut-off events. [2021-03-11 02:47:51,711 INFO L130 PetriNetUnfolder]: For 436902/437900 co-relation queries the response was YES. [2021-03-11 02:47:53,165 INFO L84 FinitePrefix]: Finished finitePrefix Result has 174748 conditions, 38992 events. 14438/38992 cut-off events. For 436902/437900 co-relation queries the response was YES. Maximal size of possible extension queue 2016. Compared 498406 event pairs, 3359 based on Foata normal form. 395/38978 useless extension candidates. Maximal degree in co-relation 174602. Up to 9916 conditions per place. [2021-03-11 02:47:53,383 INFO L132 encePairwiseOnDemand]: 138/164 looper letters, 595 selfloop transitions, 468 changer transitions 0/1112 dead transitions. [2021-03-11 02:47:53,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 1112 transitions, 22477 flow [2021-03-11 02:47:53,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-11 02:47:53,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-03-11 02:47:53,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 2039 transitions. [2021-03-11 02:47:53,385 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.42872161480235493 [2021-03-11 02:47:53,385 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 2039 transitions. [2021-03-11 02:47:53,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 2039 transitions. [2021-03-11 02:47:53,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:47:53,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 2039 transitions. [2021-03-11 02:47:53,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 70.3103448275862) internal successors, (2039), 29 states have internal predecessors, (2039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:53,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 164.0) internal successors, (4920), 30 states have internal predecessors, (4920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:53,390 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 164.0) internal successors, (4920), 30 states have internal predecessors, (4920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:53,390 INFO L185 Difference]: Start difference. First operand has 447 places, 854 transitions, 17280 flow. Second operand 29 states and 2039 transitions. [2021-03-11 02:47:53,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 475 places, 1112 transitions, 22477 flow [2021-03-11 02:47:56,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 1112 transitions, 22091 flow, removed 139 selfloop flow, removed 8 redundant places. [2021-03-11 02:47:56,911 INFO L241 Difference]: Finished difference. Result has 475 places, 886 transitions, 19037 flow [2021-03-11 02:47:56,912 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=16940, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=854, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=436, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=19037, PETRI_PLACES=475, PETRI_TRANSITIONS=886} [2021-03-11 02:47:56,912 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 325 predicate places. [2021-03-11 02:47:56,912 INFO L480 AbstractCegarLoop]: Abstraction has has 475 places, 886 transitions, 19037 flow [2021-03-11 02:47:56,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 65.36842105263158) internal successors, (1242), 19 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:56,912 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:47:56,912 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:47:56,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-11 02:47:56,912 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]=== [2021-03-11 02:47:56,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:47:56,913 INFO L82 PathProgramCache]: Analyzing trace with hash -33902538, now seen corresponding path program 14 times [2021-03-11 02:47:56,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:47:56,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451563165] [2021-03-11 02:47:56,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:47:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:47:56,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:56,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:47:56,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:56,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:47:57,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:57,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:47:57,007 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-03-11 02:47:57,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:47:57,021 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 02:47:57,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:47:57,029 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 02:47:57,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:47:57,039 INFO L142 QuantifierPusher]: treesize reduction 10, result has 61.5 percent of original size [2021-03-11 02:47:57,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:47:57,047 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 02:47:57,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 02:47:57,056 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:47:57,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:47:57,069 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-11 02:47:57,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 02:47:57,077 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:47:57,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:47:57,078 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 02:47:57,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:47:57,088 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:47:57,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:47:57,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:57,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:47:57,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:57,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:47:57,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:57,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:47:57,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:47:57,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:47:57,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:47:57,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451563165] [2021-03-11 02:47:57,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:47:57,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-03-11 02:47:57,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652359623] [2021-03-11 02:47:57,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 02:47:57,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:47:57,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 02:47:57,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-03-11 02:47:57,125 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 164 [2021-03-11 02:47:57,126 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 886 transitions, 19037 flow. Second operand has 15 states, 15 states have (on average 71.86666666666666) internal successors, (1078), 15 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:47:57,126 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:47:57,126 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 164 [2021-03-11 02:47:57,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:48:07,228 INFO L129 PetriNetUnfolder]: 8727/30404 cut-off events. [2021-03-11 02:48:07,229 INFO L130 PetriNetUnfolder]: For 384536/386755 co-relation queries the response was YES. [2021-03-11 02:48:08,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136516 conditions, 30404 events. 8727/30404 cut-off events. For 384536/386755 co-relation queries the response was YES. Maximal size of possible extension queue 1803. Compared 421681 event pairs, 3179 based on Foata normal form. 754/30538 useless extension candidates. Maximal degree in co-relation 136364. Up to 6731 conditions per place. [2021-03-11 02:48:08,523 INFO L132 encePairwiseOnDemand]: 141/164 looper letters, 736 selfloop transitions, 368 changer transitions 0/1196 dead transitions. [2021-03-11 02:48:08,524 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 1196 transitions, 26827 flow [2021-03-11 02:48:08,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-11 02:48:08,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-11 02:48:08,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1435 transitions. [2021-03-11 02:48:08,525 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4605263157894737 [2021-03-11 02:48:08,525 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1435 transitions. [2021-03-11 02:48:08,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1435 transitions. [2021-03-11 02:48:08,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:48:08,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1435 transitions. [2021-03-11 02:48:08,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 75.52631578947368) internal successors, (1435), 19 states have internal predecessors, (1435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:48:08,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 164.0) internal successors, (3280), 20 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:48:08,528 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 164.0) internal successors, (3280), 20 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:48:08,529 INFO L185 Difference]: Start difference. First operand has 475 places, 886 transitions, 19037 flow. Second operand 19 states and 1435 transitions. [2021-03-11 02:48:08,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 1196 transitions, 26827 flow [2021-03-11 02:48:10,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 1196 transitions, 26494 flow, removed 48 selfloop flow, removed 13 redundant places. [2021-03-11 02:48:10,812 INFO L241 Difference]: Finished difference. Result has 490 places, 958 transitions, 22087 flow [2021-03-11 02:48:10,813 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=18734, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=886, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=298, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=22087, PETRI_PLACES=490, PETRI_TRANSITIONS=958} [2021-03-11 02:48:10,813 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 340 predicate places. [2021-03-11 02:48:10,813 INFO L480 AbstractCegarLoop]: Abstraction has has 490 places, 958 transitions, 22087 flow [2021-03-11 02:48:10,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 71.86666666666666) internal successors, (1078), 15 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:48:10,813 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:48:10,813 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:48:10,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-11 02:48:10,813 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]=== [2021-03-11 02:48:10,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:48:10,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1214894102, now seen corresponding path program 15 times [2021-03-11 02:48:10,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:48:10,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874923038] [2021-03-11 02:48:10,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:48:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:48:10,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:10,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:48:10,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:10,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:48:10,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:10,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:48:10,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:10,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:48:11,026 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2021-03-11 02:48:11,027 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-03-11 02:48:11,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:48:11,035 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:48:11,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:48:11,043 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-03-11 02:48:11,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:48:11,054 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-03-11 02:48:11,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 02:48:11,065 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-03-11 02:48:11,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 02:48:11,077 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-03-11 02:48:11,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:48:11,088 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-11 02:48:11,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:48:11,100 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-11 02:48:11,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 02:48:11,114 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 02:48:11,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:48:11,124 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 02:48:11,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:48:11,133 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-11 02:48:11,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 02:48:11,145 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-03-11 02:48:11,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 02:48:11,156 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:48:11,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:48:11,167 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:48:11,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:48:11,168 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:48:11,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:48:11,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:11,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:48:11,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:11,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:48:11,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:11,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:48:11,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:11,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:48:11,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:48:11,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874923038] [2021-03-11 02:48:11,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:48:11,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-03-11 02:48:11,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332202452] [2021-03-11 02:48:11,207 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-11 02:48:11,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:48:11,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-11 02:48:11,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2021-03-11 02:48:11,208 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 164 [2021-03-11 02:48:11,208 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 958 transitions, 22087 flow. Second operand has 19 states, 19 states have (on average 65.36842105263158) internal successors, (1242), 19 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:48:11,209 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:48:11,209 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 164 [2021-03-11 02:48:11,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:48:25,877 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2021-03-11 02:48:26,726 INFO L129 PetriNetUnfolder]: 15198/41501 cut-off events. [2021-03-11 02:48:26,726 INFO L130 PetriNetUnfolder]: For 549082/550049 co-relation queries the response was YES. [2021-03-11 02:48:28,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191618 conditions, 41501 events. 15198/41501 cut-off events. For 549082/550049 co-relation queries the response was YES. Maximal size of possible extension queue 2040. Compared 532808 event pairs, 7255 based on Foata normal form. 235/41264 useless extension candidates. Maximal degree in co-relation 191455. Up to 20059 conditions per place. [2021-03-11 02:48:28,494 INFO L132 encePairwiseOnDemand]: 140/164 looper letters, 762 selfloop transitions, 355 changer transitions 0/1166 dead transitions. [2021-03-11 02:48:28,495 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 1166 transitions, 27159 flow [2021-03-11 02:48:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-11 02:48:28,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-11 02:48:28,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1488 transitions. [2021-03-11 02:48:28,496 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.43205574912891986 [2021-03-11 02:48:28,496 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1488 transitions. [2021-03-11 02:48:28,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1488 transitions. [2021-03-11 02:48:28,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:48:28,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1488 transitions. [2021-03-11 02:48:28,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 70.85714285714286) internal successors, (1488), 21 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:48:28,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 164.0) internal successors, (3608), 22 states have internal predecessors, (3608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:48:28,501 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 164.0) internal successors, (3608), 22 states have internal predecessors, (3608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:48:28,501 INFO L185 Difference]: Start difference. First operand has 490 places, 958 transitions, 22087 flow. Second operand 21 states and 1488 transitions. [2021-03-11 02:48:28,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 1166 transitions, 27159 flow [2021-03-11 02:48:32,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 1166 transitions, 26583 flow, removed 187 selfloop flow, removed 7 redundant places. [2021-03-11 02:48:32,754 INFO L241 Difference]: Finished difference. Result has 512 places, 993 transitions, 23652 flow [2021-03-11 02:48:32,755 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=21659, PETRI_DIFFERENCE_MINUEND_PLACES=483, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=958, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=320, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=610, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=23652, PETRI_PLACES=512, PETRI_TRANSITIONS=993} [2021-03-11 02:48:32,755 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 362 predicate places. [2021-03-11 02:48:32,755 INFO L480 AbstractCegarLoop]: Abstraction has has 512 places, 993 transitions, 23652 flow [2021-03-11 02:48:32,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 65.36842105263158) internal successors, (1242), 19 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:48:32,755 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:48:32,755 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:48:32,756 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-11 02:48:32,756 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]=== [2021-03-11 02:48:32,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:48:32,756 INFO L82 PathProgramCache]: Analyzing trace with hash 553513484, now seen corresponding path program 16 times [2021-03-11 02:48:32,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:48:32,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925867781] [2021-03-11 02:48:32,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:48:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:48:32,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:32,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:48:32,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:32,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:48:32,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:32,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 02:48:32,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:32,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:48:32,858 INFO L142 QuantifierPusher]: treesize reduction 30, result has 34.8 percent of original size [2021-03-11 02:48:32,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:48:32,866 INFO L142 QuantifierPusher]: treesize reduction 14, result has 56.3 percent of original size [2021-03-11 02:48:32,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 02:48:32,874 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-03-11 02:48:32,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 02:48:32,886 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-03-11 02:48:32,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 02:48:32,898 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.0 percent of original size [2021-03-11 02:48:32,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 02:48:32,913 INFO L142 QuantifierPusher]: treesize reduction 24, result has 51.0 percent of original size [2021-03-11 02:48:32,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:48:32,929 INFO L142 QuantifierPusher]: treesize reduction 21, result has 56.3 percent of original size [2021-03-11 02:48:32,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 02:48:32,954 INFO L142 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size [2021-03-11 02:48:32,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 02:48:32,980 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-03-11 02:48:32,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 02:48:32,989 INFO L142 QuantifierPusher]: treesize reduction 20, result has 53.5 percent of original size [2021-03-11 02:48:32,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:48:33,003 INFO L142 QuantifierPusher]: treesize reduction 16, result has 65.2 percent of original size [2021-03-11 02:48:33,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 02:48:33,012 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-11 02:48:33,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:48:33,012 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 02:48:33,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:48:33,024 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:48:33,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:48:33,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:33,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:48:33,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:33,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:48:33,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:33,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:48:33,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:33,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:48:33,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:48:33,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925867781] [2021-03-11 02:48:33,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:48:33,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-03-11 02:48:33,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548633412] [2021-03-11 02:48:33,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-11 02:48:33,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:48:33,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-11 02:48:33,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2021-03-11 02:48:33,063 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 164 [2021-03-11 02:48:33,063 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 993 transitions, 23652 flow. Second operand has 18 states, 18 states have (on average 65.55555555555556) internal successors, (1180), 18 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:48:33,063 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:48:33,064 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 164 [2021-03-11 02:48:33,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:48:34,284 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2021-03-11 02:48:48,801 INFO L129 PetriNetUnfolder]: 15202/41333 cut-off events. [2021-03-11 02:48:48,801 INFO L130 PetriNetUnfolder]: For 547435/548256 co-relation queries the response was YES. [2021-03-11 02:48:50,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191627 conditions, 41333 events. 15202/41333 cut-off events. For 547435/548256 co-relation queries the response was YES. Maximal size of possible extension queue 2038. Compared 528935 event pairs, 6654 based on Foata normal form. 224/41090 useless extension candidates. Maximal degree in co-relation 191457. Up to 8874 conditions per place. [2021-03-11 02:48:50,667 INFO L132 encePairwiseOnDemand]: 138/164 looper letters, 882 selfloop transitions, 349 changer transitions 0/1280 dead transitions. [2021-03-11 02:48:50,667 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 1280 transitions, 30565 flow [2021-03-11 02:48:50,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-11 02:48:50,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-11 02:48:50,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1439 transitions. [2021-03-11 02:48:50,669 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.43871951219512195 [2021-03-11 02:48:50,669 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1439 transitions. [2021-03-11 02:48:50,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1439 transitions. [2021-03-11 02:48:50,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:48:50,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1439 transitions. [2021-03-11 02:48:50,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 71.95) internal successors, (1439), 20 states have internal predecessors, (1439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:48:50,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 164.0) internal successors, (3444), 21 states have internal predecessors, (3444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:48:50,672 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 164.0) internal successors, (3444), 21 states have internal predecessors, (3444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:48:50,672 INFO L185 Difference]: Start difference. First operand has 512 places, 993 transitions, 23652 flow. Second operand 20 states and 1439 transitions. [2021-03-11 02:48:50,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 1280 transitions, 30565 flow [2021-03-11 02:48:54,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 1280 transitions, 30189 flow, removed 90 selfloop flow, removed 7 redundant places. [2021-03-11 02:48:54,752 INFO L241 Difference]: Finished difference. Result has 532 places, 1027 transitions, 25419 flow [2021-03-11 02:48:54,753 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=23285, PETRI_DIFFERENCE_MINUEND_PLACES=505, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=993, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=315, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=650, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=25419, PETRI_PLACES=532, PETRI_TRANSITIONS=1027} [2021-03-11 02:48:54,753 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 382 predicate places. [2021-03-11 02:48:54,753 INFO L480 AbstractCegarLoop]: Abstraction has has 532 places, 1027 transitions, 25419 flow [2021-03-11 02:48:54,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 65.55555555555556) internal successors, (1180), 18 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:48:54,753 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:48:54,753 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:48:54,753 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-11 02:48:54,753 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]=== [2021-03-11 02:48:54,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:48:54,754 INFO L82 PathProgramCache]: Analyzing trace with hash 736790928, now seen corresponding path program 17 times [2021-03-11 02:48:54,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:48:54,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602614448] [2021-03-11 02:48:54,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:48:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:48:54,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:54,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:48:54,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:54,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:48:54,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:54,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:48:54,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:54,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:48:54,845 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-03-11 02:48:54,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:48:54,852 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:48:54,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:48:54,860 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-03-11 02:48:54,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:48:54,871 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-03-11 02:48:54,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 02:48:54,889 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-03-11 02:48:54,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:48:54,903 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-03-11 02:48:54,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:48:54,917 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-11 02:48:54,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:48:54,932 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 02:48:54,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:48:54,951 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 02:48:54,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:48:54,962 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-11 02:48:54,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 02:48:54,977 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:48:54,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:48:54,987 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:48:54,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:48:54,996 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:48:54,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:48:55,008 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:48:55,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:48:55,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:55,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:48:55,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:55,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:48:55,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:55,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:48:55,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:48:55,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:48:55,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:48:55,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602614448] [2021-03-11 02:48:55,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:48:55,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-03-11 02:48:55,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569934634] [2021-03-11 02:48:55,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-11 02:48:55,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:48:55,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-11 02:48:55,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-03-11 02:48:55,050 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 164 [2021-03-11 02:48:55,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 1027 transitions, 25419 flow. Second operand has 18 states, 18 states have (on average 64.61111111111111) internal successors, (1163), 18 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:48:55,050 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:48:55,050 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 164 [2021-03-11 02:48:55,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:49:12,609 INFO L129 PetriNetUnfolder]: 18095/47297 cut-off events. [2021-03-11 02:49:12,609 INFO L130 PetriNetUnfolder]: For 624416/625090 co-relation queries the response was YES. [2021-03-11 02:49:14,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 213979 conditions, 47297 events. 18095/47297 cut-off events. For 624416/625090 co-relation queries the response was YES. Maximal size of possible extension queue 2185. Compared 597599 event pairs, 9532 based on Foata normal form. 114/46868 useless extension candidates. Maximal degree in co-relation 213801. Up to 15769 conditions per place. [2021-03-11 02:49:14,781 INFO L132 encePairwiseOnDemand]: 140/164 looper letters, 836 selfloop transitions, 404 changer transitions 0/1288 dead transitions. [2021-03-11 02:49:14,781 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 1288 transitions, 31600 flow [2021-03-11 02:49:14,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-11 02:49:14,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-11 02:49:14,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1472 transitions. [2021-03-11 02:49:14,783 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4274099883855981 [2021-03-11 02:49:14,783 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1472 transitions. [2021-03-11 02:49:14,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1472 transitions. [2021-03-11 02:49:14,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:49:14,783 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1472 transitions. [2021-03-11 02:49:14,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 70.0952380952381) internal successors, (1472), 21 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:49:14,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 164.0) internal successors, (3608), 22 states have internal predecessors, (3608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:49:14,786 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 164.0) internal successors, (3608), 22 states have internal predecessors, (3608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:49:14,786 INFO L185 Difference]: Start difference. First operand has 532 places, 1027 transitions, 25419 flow. Second operand 21 states and 1472 transitions. [2021-03-11 02:49:14,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 1288 transitions, 31600 flow [2021-03-11 02:49:19,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 1288 transitions, 31252 flow, removed 98 selfloop flow, removed 7 redundant places. [2021-03-11 02:49:19,189 INFO L241 Difference]: Finished difference. Result has 554 places, 1065 transitions, 27167 flow [2021-03-11 02:49:19,190 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=25085, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1027, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=366, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=632, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=27167, PETRI_PLACES=554, PETRI_TRANSITIONS=1065} [2021-03-11 02:49:19,190 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 404 predicate places. [2021-03-11 02:49:19,190 INFO L480 AbstractCegarLoop]: Abstraction has has 554 places, 1065 transitions, 27167 flow [2021-03-11 02:49:19,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 64.61111111111111) internal successors, (1163), 18 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:49:19,190 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:49:19,191 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:49:19,191 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-11 02:49:19,191 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]=== [2021-03-11 02:49:19,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:49:19,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1870274944, now seen corresponding path program 18 times [2021-03-11 02:49:19,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:49:19,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415182042] [2021-03-11 02:49:19,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:49:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:49:19,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:19,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:49:19,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:19,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:49:19,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:19,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 02:49:19,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:19,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:49:19,283 INFO L142 QuantifierPusher]: treesize reduction 30, result has 34.8 percent of original size [2021-03-11 02:49:19,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:49:19,289 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-03-11 02:49:19,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 02:49:19,296 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-11 02:49:19,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 02:49:19,308 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-11 02:49:19,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 02:49:19,321 INFO L142 QuantifierPusher]: treesize reduction 17, result has 58.5 percent of original size [2021-03-11 02:49:19,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 02:49:19,336 INFO L142 QuantifierPusher]: treesize reduction 19, result has 56.8 percent of original size [2021-03-11 02:49:19,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:49:19,353 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-11 02:49:19,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 02:49:19,375 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-03-11 02:49:19,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 02:49:19,401 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-03-11 02:49:19,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 02:49:19,410 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-11 02:49:19,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:49:19,423 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-11 02:49:19,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 02:49:19,432 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:49:19,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:49:19,433 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 02:49:19,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:49:19,444 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:49:19,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:49:19,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:19,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:49:19,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:19,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:49:19,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:19,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:49:19,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:19,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:49:19,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:49:19,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415182042] [2021-03-11 02:49:19,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:49:19,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-03-11 02:49:19,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611321081] [2021-03-11 02:49:19,486 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-11 02:49:19,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:49:19,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-11 02:49:19,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2021-03-11 02:49:19,487 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 164 [2021-03-11 02:49:19,488 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 554 places, 1065 transitions, 27167 flow. Second operand has 18 states, 18 states have (on average 65.55555555555556) internal successors, (1180), 18 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:49:19,488 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:49:19,488 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 164 [2021-03-11 02:49:19,488 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:49:35,134 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2021-03-11 02:49:36,310 INFO L129 PetriNetUnfolder]: 15219/41112 cut-off events. [2021-03-11 02:49:36,310 INFO L130 PetriNetUnfolder]: For 603144/603944 co-relation queries the response was YES. [2021-03-11 02:49:38,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 195305 conditions, 41112 events. 15219/41112 cut-off events. For 603144/603944 co-relation queries the response was YES. Maximal size of possible extension queue 2034. Compared 523771 event pairs, 4356 based on Foata normal form. 405/41073 useless extension candidates. Maximal degree in co-relation 195117. Up to 8874 conditions per place. [2021-03-11 02:49:38,132 INFO L132 encePairwiseOnDemand]: 137/164 looper letters, 895 selfloop transitions, 481 changer transitions 0/1425 dead transitions. [2021-03-11 02:49:38,132 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 1425 transitions, 35382 flow [2021-03-11 02:49:38,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-11 02:49:38,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-11 02:49:38,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 1910 transitions. [2021-03-11 02:49:38,134 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4313459801264679 [2021-03-11 02:49:38,134 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 1910 transitions. [2021-03-11 02:49:38,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 1910 transitions. [2021-03-11 02:49:38,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:49:38,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 1910 transitions. [2021-03-11 02:49:38,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 70.74074074074075) internal successors, (1910), 27 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:49:38,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 164.0) internal successors, (4592), 28 states have internal predecessors, (4592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:49:38,142 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 164.0) internal successors, (4592), 28 states have internal predecessors, (4592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:49:38,142 INFO L185 Difference]: Start difference. First operand has 554 places, 1065 transitions, 27167 flow. Second operand 27 states and 1910 transitions. [2021-03-11 02:49:38,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 1425 transitions, 35382 flow [2021-03-11 02:49:43,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 573 places, 1425 transitions, 34957 flow, removed 108 selfloop flow, removed 7 redundant places. [2021-03-11 02:49:43,449 INFO L241 Difference]: Finished difference. Result has 581 places, 1098 transitions, 29205 flow [2021-03-11 02:49:43,450 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=26752, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1065, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=448, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=591, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=29205, PETRI_PLACES=581, PETRI_TRANSITIONS=1098} [2021-03-11 02:49:43,450 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 431 predicate places. [2021-03-11 02:49:43,450 INFO L480 AbstractCegarLoop]: Abstraction has has 581 places, 1098 transitions, 29205 flow [2021-03-11 02:49:43,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 65.55555555555556) internal successors, (1180), 18 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:49:43,450 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:49:43,450 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:49:43,451 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-11 02:49:43,451 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]=== [2021-03-11 02:49:43,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:49:43,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1283844626, now seen corresponding path program 3 times [2021-03-11 02:49:43,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:49:43,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68183191] [2021-03-11 02:49:43,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:49:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:49:43,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:43,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:49:43,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:43,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 02:49:43,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:43,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 02:49:43,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:43,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:49:43,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:43,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 02:49:43,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:43,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:49:43,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:43,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:49:43,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:43,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 02:49:43,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:43,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:49:43,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:43,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:49:43,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:43,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:49:43,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:43,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:49:43,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:43,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 02:49:43,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:43,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:49:43,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:43,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:49:43,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:49:43,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:49:43,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:49:43,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68183191] [2021-03-11 02:49:43,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:49:43,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-03-11 02:49:43,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388068356] [2021-03-11 02:49:43,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 02:49:43,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:49:43,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 02:49:43,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-03-11 02:49:43,621 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 164 [2021-03-11 02:49:43,622 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 581 places, 1098 transitions, 29205 flow. Second operand has 15 states, 15 states have (on average 98.2) internal successors, (1473), 15 states have internal predecessors, (1473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:49:43,622 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:49:43,622 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 164 [2021-03-11 02:49:43,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:50:00,070 INFO L129 PetriNetUnfolder]: 12601/40998 cut-off events. [2021-03-11 02:50:00,071 INFO L130 PetriNetUnfolder]: For 603495/604825 co-relation queries the response was YES. [2021-03-11 02:50:02,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197128 conditions, 40998 events. 12601/40998 cut-off events. For 603495/604825 co-relation queries the response was YES. Maximal size of possible extension queue 2506. Compared 577712 event pairs, 6448 based on Foata normal form. 527/40888 useless extension candidates. Maximal degree in co-relation 196933. Up to 19664 conditions per place. [2021-03-11 02:50:02,145 INFO L132 encePairwiseOnDemand]: 147/164 looper letters, 665 selfloop transitions, 226 changer transitions 0/1485 dead transitions. [2021-03-11 02:50:02,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 597 places, 1485 transitions, 38961 flow [2021-03-11 02:50:02,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-11 02:50:02,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-11 02:50:02,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1737 transitions. [2021-03-11 02:50:02,147 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6230272596843616 [2021-03-11 02:50:02,147 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1737 transitions. [2021-03-11 02:50:02,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1737 transitions. [2021-03-11 02:50:02,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:50:02,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1737 transitions. [2021-03-11 02:50:02,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 102.17647058823529) internal successors, (1737), 17 states have internal predecessors, (1737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:50:02,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 164.0) internal successors, (2952), 18 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:50:02,150 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 164.0) internal successors, (2952), 18 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:50:02,150 INFO L185 Difference]: Start difference. First operand has 581 places, 1098 transitions, 29205 flow. Second operand 17 states and 1737 transitions. [2021-03-11 02:50:02,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 597 places, 1485 transitions, 38961 flow [2021-03-11 02:50:07,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 582 places, 1485 transitions, 37984 flow, removed 129 selfloop flow, removed 15 redundant places. [2021-03-11 02:50:07,162 INFO L241 Difference]: Finished difference. Result has 589 places, 1270 transitions, 32641 flow [2021-03-11 02:50:07,162 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=28474, PETRI_DIFFERENCE_MINUEND_PLACES=566, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1098, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=955, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=32641, PETRI_PLACES=589, PETRI_TRANSITIONS=1270} [2021-03-11 02:50:07,163 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 439 predicate places. [2021-03-11 02:50:07,163 INFO L480 AbstractCegarLoop]: Abstraction has has 589 places, 1270 transitions, 32641 flow [2021-03-11 02:50:07,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 98.2) internal successors, (1473), 15 states have internal predecessors, (1473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:50:07,163 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:50:07,163 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:50:07,163 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-11 02:50:07,163 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]=== [2021-03-11 02:50:07,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:50:07,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1461901788, now seen corresponding path program 19 times [2021-03-11 02:50:07,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:50:07,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258758824] [2021-03-11 02:50:07,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:50:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:50:07,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:50:07,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:50:07,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:50:07,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:50:07,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:50:07,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:50:07,265 INFO L142 QuantifierPusher]: treesize reduction 20, result has 52.4 percent of original size [2021-03-11 02:50:07,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 02:50:07,278 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 02:50:07,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:50:07,286 INFO L142 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size [2021-03-11 02:50:07,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:50:07,298 INFO L142 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size [2021-03-11 02:50:07,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:50:07,312 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-11 02:50:07,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 02:50:07,328 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-03-11 02:50:07,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:50:07,341 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-11 02:50:07,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:50:07,355 INFO L142 QuantifierPusher]: treesize reduction 18, result has 68.4 percent of original size [2021-03-11 02:50:07,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:50:07,373 INFO L142 QuantifierPusher]: treesize reduction 18, result has 68.4 percent of original size [2021-03-11 02:50:07,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:50:07,383 INFO L142 QuantifierPusher]: treesize reduction 16, result has 65.2 percent of original size [2021-03-11 02:50:07,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 02:50:07,398 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-11 02:50:07,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:50:07,407 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-11 02:50:07,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:50:07,416 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 02:50:07,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:50:07,428 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:50:07,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:50:07,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:50:07,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:50:07,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:50:07,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:50:07,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:50:07,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:50:07,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:50:07,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:50:07,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:50:07,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258758824] [2021-03-11 02:50:07,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:50:07,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-03-11 02:50:07,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844468929] [2021-03-11 02:50:07,468 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-11 02:50:07,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:50:07,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-11 02:50:07,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-03-11 02:50:07,469 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 164 [2021-03-11 02:50:07,469 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 589 places, 1270 transitions, 32641 flow. Second operand has 18 states, 18 states have (on average 64.61111111111111) internal successors, (1163), 18 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:50:07,469 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:50:07,469 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 164 [2021-03-11 02:50:07,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:50:34,552 INFO L129 PetriNetUnfolder]: 22493/58261 cut-off events. [2021-03-11 02:50:34,553 INFO L130 PetriNetUnfolder]: For 872719/874210 co-relation queries the response was YES. [2021-03-11 02:50:37,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 283956 conditions, 58261 events. 22493/58261 cut-off events. For 872719/874210 co-relation queries the response was YES. Maximal size of possible extension queue 2845. Compared 761250 event pairs, 11544 based on Foata normal form. 365/58017 useless extension candidates. Maximal degree in co-relation 283754. Up to 13104 conditions per place. [2021-03-11 02:50:37,565 INFO L132 encePairwiseOnDemand]: 140/164 looper letters, 1082 selfloop transitions, 394 changer transitions 0/1526 dead transitions. [2021-03-11 02:50:37,565 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 609 places, 1526 transitions, 39497 flow [2021-03-11 02:50:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-11 02:50:37,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-11 02:50:37,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1480 transitions. [2021-03-11 02:50:37,567 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.429732868757259 [2021-03-11 02:50:37,567 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1480 transitions. [2021-03-11 02:50:37,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1480 transitions. [2021-03-11 02:50:37,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:50:37,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1480 transitions. [2021-03-11 02:50:37,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 70.47619047619048) internal successors, (1480), 21 states have internal predecessors, (1480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:50:37,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 164.0) internal successors, (3608), 22 states have internal predecessors, (3608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:50:37,570 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 164.0) internal successors, (3608), 22 states have internal predecessors, (3608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:50:37,570 INFO L185 Difference]: Start difference. First operand has 589 places, 1270 transitions, 32641 flow. Second operand 21 states and 1480 transitions. [2021-03-11 02:50:37,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 609 places, 1526 transitions, 39497 flow [2021-03-11 02:50:46,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 602 places, 1526 transitions, 39243 flow, removed 119 selfloop flow, removed 7 redundant places. [2021-03-11 02:50:46,948 INFO L241 Difference]: Finished difference. Result has 612 places, 1308 transitions, 34889 flow [2021-03-11 02:50:46,949 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=32424, PETRI_DIFFERENCE_MINUEND_PLACES=582, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=356, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=882, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=34889, PETRI_PLACES=612, PETRI_TRANSITIONS=1308} [2021-03-11 02:50:46,949 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 462 predicate places. [2021-03-11 02:50:46,949 INFO L480 AbstractCegarLoop]: Abstraction has has 612 places, 1308 transitions, 34889 flow [2021-03-11 02:50:46,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 64.61111111111111) internal successors, (1163), 18 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:50:46,950 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:50:46,950 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:50:46,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-11 02:50:46,950 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]=== [2021-03-11 02:50:46,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:50:46,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1937249602, now seen corresponding path program 20 times [2021-03-11 02:50:46,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:50:46,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875700082] [2021-03-11 02:50:46,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:50:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:50:47,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:50:47,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:50:47,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:50:47,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:50:47,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:50:47,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:50:47,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:50:47,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:50:47,059 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-03-11 02:50:47,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:50:47,065 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:50:47,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:50:47,072 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-03-11 02:50:47,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:50:47,079 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-03-11 02:50:47,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 02:50:47,090 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-03-11 02:50:47,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:50:47,102 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-03-11 02:50:47,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:50:47,116 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-11 02:50:47,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:50:47,132 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 02:50:47,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:50:47,150 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 02:50:47,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:50:47,160 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-11 02:50:47,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 02:50:47,174 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:50:47,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:50:47,184 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:50:47,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:50:47,196 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:50:47,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:50:47,207 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:50:47,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:50:47,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:50:47,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:50:47,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:50:47,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:50:47,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:50:47,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:50:47,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:50:47,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:50:47,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:50:47,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875700082] [2021-03-11 02:50:47,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:50:47,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-03-11 02:50:47,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166016383] [2021-03-11 02:50:47,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-11 02:50:47,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:50:47,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-11 02:50:47,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-03-11 02:50:47,259 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 164 [2021-03-11 02:50:47,259 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 612 places, 1308 transitions, 34889 flow. Second operand has 18 states, 18 states have (on average 64.61111111111111) internal successors, (1163), 18 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:50:47,259 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:50:47,259 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 164 [2021-03-11 02:50:47,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:51:14,278 INFO L129 PetriNetUnfolder]: 22502/59218 cut-off events. [2021-03-11 02:51:14,278 INFO L130 PetriNetUnfolder]: For 917062/918373 co-relation queries the response was YES. [2021-03-11 02:51:17,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 286266 conditions, 59218 events. 22502/59218 cut-off events. For 917062/918373 co-relation queries the response was YES. Maximal size of possible extension queue 2924. Compared 779995 event pairs, 13279 based on Foata normal form. 197/58794 useless extension candidates. Maximal degree in co-relation 286055. Up to 31021 conditions per place. [2021-03-11 02:51:17,479 INFO L132 encePairwiseOnDemand]: 141/164 looper letters, 992 selfloop transitions, 447 changer transitions 1/1490 dead transitions. [2021-03-11 02:51:17,479 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 631 places, 1490 transitions, 40410 flow [2021-03-11 02:51:17,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-11 02:51:17,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-11 02:51:17,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1391 transitions. [2021-03-11 02:51:17,481 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4240853658536585 [2021-03-11 02:51:17,481 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1391 transitions. [2021-03-11 02:51:17,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1391 transitions. [2021-03-11 02:51:17,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:51:17,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1391 transitions. [2021-03-11 02:51:17,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 69.55) internal successors, (1391), 20 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:51:17,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 164.0) internal successors, (3444), 21 states have internal predecessors, (3444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:51:17,484 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 164.0) internal successors, (3444), 21 states have internal predecessors, (3444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:51:17,484 INFO L185 Difference]: Start difference. First operand has 612 places, 1308 transitions, 34889 flow. Second operand 20 states and 1391 transitions. [2021-03-11 02:51:17,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 631 places, 1490 transitions, 40410 flow [2021-03-11 02:51:26,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 624 places, 1490 transitions, 39932 flow, removed 147 selfloop flow, removed 7 redundant places. [2021-03-11 02:51:26,241 INFO L241 Difference]: Finished difference. Result has 630 places, 1332 transitions, 36266 flow [2021-03-11 02:51:26,242 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=34415, PETRI_DIFFERENCE_MINUEND_PLACES=605, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=423, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=867, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=36266, PETRI_PLACES=630, PETRI_TRANSITIONS=1332} [2021-03-11 02:51:26,242 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 480 predicate places. [2021-03-11 02:51:26,243 INFO L480 AbstractCegarLoop]: Abstraction has has 630 places, 1332 transitions, 36266 flow [2021-03-11 02:51:26,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 64.61111111111111) internal successors, (1163), 18 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:51:26,243 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:51:26,243 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:51:26,243 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-11 02:51:26,243 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]=== [2021-03-11 02:51:26,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:51:26,243 INFO L82 PathProgramCache]: Analyzing trace with hash 667351398, now seen corresponding path program 21 times [2021-03-11 02:51:26,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:51:26,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685840724] [2021-03-11 02:51:26,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:51:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:51:26,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:51:26,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:51:26,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:51:26,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:51:26,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:51:26,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:51:26,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:51:26,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:51:26,325 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-03-11 02:51:26,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:51:26,332 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:51:26,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:51:26,339 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-03-11 02:51:26,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:51:26,349 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-03-11 02:51:26,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:51:26,361 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-03-11 02:51:26,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 02:51:26,376 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-03-11 02:51:26,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:51:26,390 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-11 02:51:26,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:51:26,404 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-11 02:51:26,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 02:51:26,420 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 02:51:26,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:51:26,429 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 02:51:26,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:51:26,439 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-11 02:51:26,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 02:51:26,453 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-03-11 02:51:26,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 02:51:26,466 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-03-11 02:51:26,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 02:51:26,466 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:51:26,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:51:26,478 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:51:26,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:51:26,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:51:26,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:51:26,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:51:26,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:51:26,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:51:26,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:51:26,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:51:26,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:51:26,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:51:26,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685840724] [2021-03-11 02:51:26,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:51:26,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-03-11 02:51:26,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175363625] [2021-03-11 02:51:26,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-11 02:51:26,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:51:26,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-11 02:51:26,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-03-11 02:51:26,518 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 164 [2021-03-11 02:51:26,519 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 630 places, 1332 transitions, 36266 flow. Second operand has 19 states, 19 states have (on average 65.36842105263158) internal successors, (1242), 19 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:51:26,519 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:51:26,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 164 [2021-03-11 02:51:26,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:51:52,213 INFO L129 PetriNetUnfolder]: 18313/51181 cut-off events. [2021-03-11 02:51:52,213 INFO L130 PetriNetUnfolder]: For 846475/847762 co-relation queries the response was YES. [2021-03-11 02:51:55,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 255840 conditions, 51181 events. 18313/51181 cut-off events. For 846475/847762 co-relation queries the response was YES. Maximal size of possible extension queue 2812. Compared 689139 event pairs, 8666 based on Foata normal form. 343/50979 useless extension candidates. Maximal degree in co-relation 255623. Up to 15576 conditions per place. [2021-03-11 02:51:55,211 INFO L132 encePairwiseOnDemand]: 140/164 looper letters, 1048 selfloop transitions, 477 changer transitions 0/1576 dead transitions. [2021-03-11 02:51:55,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 650 places, 1576 transitions, 43208 flow [2021-03-11 02:51:55,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-11 02:51:55,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-11 02:51:55,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1486 transitions. [2021-03-11 02:51:55,213 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.43147502903600465 [2021-03-11 02:51:55,213 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1486 transitions. [2021-03-11 02:51:55,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1486 transitions. [2021-03-11 02:51:55,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:51:55,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1486 transitions. [2021-03-11 02:51:55,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 70.76190476190476) internal successors, (1486), 21 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:51:55,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 164.0) internal successors, (3608), 22 states have internal predecessors, (3608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:51:55,216 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 164.0) internal successors, (3608), 22 states have internal predecessors, (3608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:51:55,216 INFO L185 Difference]: Start difference. First operand has 630 places, 1332 transitions, 36266 flow. Second operand 21 states and 1486 transitions. [2021-03-11 02:51:55,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 650 places, 1576 transitions, 43208 flow [2021-03-11 02:52:03,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 639 places, 1576 transitions, 42488 flow, removed 135 selfloop flow, removed 11 redundant places. [2021-03-11 02:52:03,750 INFO L241 Difference]: Finished difference. Result has 649 places, 1375 transitions, 38465 flow [2021-03-11 02:52:03,751 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=35560, PETRI_DIFFERENCE_MINUEND_PLACES=619, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=434, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=861, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=38465, PETRI_PLACES=649, PETRI_TRANSITIONS=1375} [2021-03-11 02:52:03,751 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 499 predicate places. [2021-03-11 02:52:03,751 INFO L480 AbstractCegarLoop]: Abstraction has has 649 places, 1375 transitions, 38465 flow [2021-03-11 02:52:03,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 65.36842105263158) internal successors, (1242), 19 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:52:03,751 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:52:03,751 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:52:03,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-11 02:52:03,751 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:52:03,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:52:03,752 INFO L82 PathProgramCache]: Analyzing trace with hash 822128678, now seen corresponding path program 22 times [2021-03-11 02:52:03,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:52:03,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918618356] [2021-03-11 02:52:03,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:52:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:52:03,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:52:03,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:52:03,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:52:03,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:52:03,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:52:03,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:52:03,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:52:03,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:52:03,834 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-03-11 02:52:03,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:52:03,841 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:52:03,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:52:03,848 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-03-11 02:52:03,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:52:03,858 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-03-11 02:52:03,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:52:03,869 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-03-11 02:52:03,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 02:52:03,883 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-03-11 02:52:03,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:52:03,898 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-11 02:52:03,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:52:03,913 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 02:52:03,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:52:03,932 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 02:52:03,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:52:03,942 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-11 02:52:03,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 02:52:03,957 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:52:03,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:52:03,967 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 02:52:03,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:52:03,976 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:52:03,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:52:03,989 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:52:03,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:52:04,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:52:04,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:52:04,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:52:04,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:52:04,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:52:04,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:52:04,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:52:04,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:52:04,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:52:04,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918618356] [2021-03-11 02:52:04,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:52:04,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-03-11 02:52:04,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692984757] [2021-03-11 02:52:04,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-11 02:52:04,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:52:04,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-11 02:52:04,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-03-11 02:52:04,032 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 164 [2021-03-11 02:52:04,032 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 649 places, 1375 transitions, 38465 flow. Second operand has 18 states, 18 states have (on average 64.61111111111111) internal successors, (1163), 18 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:52:04,032 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:52:04,032 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 164 [2021-03-11 02:52:04,032 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:52:31,508 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-03-11 02:52:32,697 INFO L129 PetriNetUnfolder]: 22464/58599 cut-off events. [2021-03-11 02:52:32,697 INFO L130 PetriNetUnfolder]: For 971724/973113 co-relation queries the response was YES. [2021-03-11 02:52:36,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 289040 conditions, 58599 events. 22464/58599 cut-off events. For 971724/973113 co-relation queries the response was YES. Maximal size of possible extension queue 2906. Compared 768853 event pairs, 11595 based on Foata normal form. 303/58273 useless extension candidates. Maximal degree in co-relation 288818. Up to 13431 conditions per place. [2021-03-11 02:52:36,262 INFO L132 encePairwiseOnDemand]: 140/164 looper letters, 1173 selfloop transitions, 468 changer transitions 0/1691 dead transitions. [2021-03-11 02:52:36,262 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 669 places, 1691 transitions, 47317 flow [2021-03-11 02:52:36,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-11 02:52:36,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-11 02:52:36,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1480 transitions. [2021-03-11 02:52:36,270 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.429732868757259 [2021-03-11 02:52:36,270 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1480 transitions. [2021-03-11 02:52:36,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1480 transitions. [2021-03-11 02:52:36,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:52:36,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1480 transitions. [2021-03-11 02:52:36,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 70.47619047619048) internal successors, (1480), 21 states have internal predecessors, (1480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:52:36,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 164.0) internal successors, (3608), 22 states have internal predecessors, (3608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:52:36,272 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 164.0) internal successors, (3608), 22 states have internal predecessors, (3608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:52:36,273 INFO L185 Difference]: Start difference. First operand has 649 places, 1375 transitions, 38465 flow. Second operand 21 states and 1480 transitions. [2021-03-11 02:52:36,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 669 places, 1691 transitions, 47317 flow [2021-03-11 02:52:46,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 661 places, 1691 transitions, 46839 flow, removed 117 selfloop flow, removed 8 redundant places. [2021-03-11 02:52:46,510 INFO L241 Difference]: Finished difference. Result has 668 places, 1425 transitions, 41260 flow [2021-03-11 02:52:46,511 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=37987, PETRI_DIFFERENCE_MINUEND_PLACES=641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=424, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=925, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=41260, PETRI_PLACES=668, PETRI_TRANSITIONS=1425} [2021-03-11 02:52:46,511 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 518 predicate places. [2021-03-11 02:52:46,511 INFO L480 AbstractCegarLoop]: Abstraction has has 668 places, 1425 transitions, 41260 flow [2021-03-11 02:52:46,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 64.61111111111111) internal successors, (1163), 18 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:52:46,512 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:52:46,512 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:52:46,512 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-11 02:52:46,512 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:52:46,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:52:46,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1102072858, now seen corresponding path program 23 times [2021-03-11 02:52:46,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:52:46,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807846429] [2021-03-11 02:52:46,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:52:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:52:46,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:52:46,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:52:46,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:52:46,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:52:46,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:52:46,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:52:46,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:52:46,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:52:46,592 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-03-11 02:52:46,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:52:46,598 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:52:46,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:52:46,606 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-03-11 02:52:46,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:52:46,618 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-03-11 02:52:46,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:52:46,631 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-03-11 02:52:46,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 02:52:46,644 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-11 02:52:46,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 02:52:46,658 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-11 02:52:46,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:52:46,671 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-11 02:52:46,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 02:52:46,688 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 02:52:46,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:52:46,697 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 02:52:46,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:52:46,707 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-11 02:52:46,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 02:52:46,720 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-03-11 02:52:46,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 02:52:46,733 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:52:46,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:52:46,746 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:52:46,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:52:46,746 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:52:46,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:52:46,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:52:46,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:52:46,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:52:46,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:52:46,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:52:46,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:52:46,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:52:46,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:52:46,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:52:46,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807846429] [2021-03-11 02:52:46,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:52:46,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-03-11 02:52:46,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647645287] [2021-03-11 02:52:46,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-11 02:52:46,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:52:46,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-11 02:52:46,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-03-11 02:52:46,788 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 164 [2021-03-11 02:52:46,788 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 668 places, 1425 transitions, 41260 flow. Second operand has 19 states, 19 states have (on average 65.36842105263158) internal successors, (1242), 19 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:52:46,788 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:52:46,788 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 164 [2021-03-11 02:52:46,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:53:13,521 INFO L129 PetriNetUnfolder]: 18864/52134 cut-off events. [2021-03-11 02:53:13,521 INFO L130 PetriNetUnfolder]: For 941749/943046 co-relation queries the response was YES. [2021-03-11 02:53:16,401 INFO L84 FinitePrefix]: Finished finitePrefix Result has 264921 conditions, 52134 events. 18864/52134 cut-off events. For 941749/943046 co-relation queries the response was YES. Maximal size of possible extension queue 2804. Compared 698446 event pairs, 8253 based on Foata normal form. 403/52036 useless extension candidates. Maximal degree in co-relation 264691. Up to 11397 conditions per place. [2021-03-11 02:53:16,666 INFO L132 encePairwiseOnDemand]: 139/164 looper letters, 1196 selfloop transitions, 514 changer transitions 0/1761 dead transitions. [2021-03-11 02:53:16,667 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 689 places, 1761 transitions, 49689 flow [2021-03-11 02:53:16,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-11 02:53:16,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-11 02:53:16,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1572 transitions. [2021-03-11 02:53:16,668 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4356984478935698 [2021-03-11 02:53:16,668 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1572 transitions. [2021-03-11 02:53:16,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1572 transitions. [2021-03-11 02:53:16,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:53:16,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1572 transitions. [2021-03-11 02:53:16,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 71.45454545454545) internal successors, (1572), 22 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:53:16,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 164.0) internal successors, (3772), 23 states have internal predecessors, (3772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:53:16,671 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 164.0) internal successors, (3772), 23 states have internal predecessors, (3772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:53:16,671 INFO L185 Difference]: Start difference. First operand has 668 places, 1425 transitions, 41260 flow. Second operand 22 states and 1572 transitions. [2021-03-11 02:53:16,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 689 places, 1761 transitions, 49689 flow [2021-03-11 02:53:26,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 679 places, 1761 transitions, 48905 flow, removed 139 selfloop flow, removed 10 redundant places. [2021-03-11 02:53:26,191 INFO L241 Difference]: Finished difference. Result has 685 places, 1441 transitions, 42063 flow [2021-03-11 02:53:26,192 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=40482, PETRI_DIFFERENCE_MINUEND_PLACES=658, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=498, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=911, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=42063, PETRI_PLACES=685, PETRI_TRANSITIONS=1441} [2021-03-11 02:53:26,192 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, 535 predicate places. [2021-03-11 02:53:26,192 INFO L480 AbstractCegarLoop]: Abstraction has has 685 places, 1441 transitions, 42063 flow [2021-03-11 02:53:26,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 65.36842105263158) internal successors, (1242), 19 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:53:26,192 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:53:26,192 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:53:26,192 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-11 02:53:26,193 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:53:26,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:53:26,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1508666434, now seen corresponding path program 24 times [2021-03-11 02:53:26,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:53:26,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328453644] [2021-03-11 02:53:26,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:53:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:53:26,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:53:26,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:53:26,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:53:26,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:53:26,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:53:26,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:53:26,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:53:26,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:53:26,271 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-03-11 02:53:26,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 02:53:26,278 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:53:26,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:53:26,285 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-03-11 02:53:26,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:53:26,295 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-03-11 02:53:26,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 02:53:26,304 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-03-11 02:53:26,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 02:53:26,317 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-11 02:53:26,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 02:53:26,332 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-11 02:53:26,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:53:26,347 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-11 02:53:26,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 02:53:26,365 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 02:53:26,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:53:26,375 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 02:53:26,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:53:26,386 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-11 02:53:26,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 02:53:26,401 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-03-11 02:53:26,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 02:53:26,415 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-03-11 02:53:26,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 02:53:26,416 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 02:53:26,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 02:53:26,429 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 02:53:26,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:53:26,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:53:26,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:53:26,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:53:26,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:53:26,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:53:26,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:53:26,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:53:26,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:53:26,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:53:26,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328453644] [2021-03-11 02:53:26,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:53:26,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-03-11 02:53:26,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813810121] [2021-03-11 02:53:26,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-11 02:53:26,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:53:26,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-11 02:53:26,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2021-03-11 02:53:26,474 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 164 [2021-03-11 02:53:26,474 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 685 places, 1441 transitions, 42063 flow. Second operand has 19 states, 19 states have (on average 65.36842105263158) internal successors, (1242), 19 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:53:26,474 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:53:26,474 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 164 [2021-03-11 02:53:26,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand