/usr/bin/java -Xmx8000000000 -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 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 21:20:54,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 21:20:54,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 21:20:55,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-12 21:20:55,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-12 21:20:55,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-12 21:20:55,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-12 21:20:55,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-12 21:20:55,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-12 21:20:55,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-12 21:20:55,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-12 21:20:55,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-12 21:20:55,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-12 21:20:55,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-12 21:20:55,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-12 21:20:55,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-12 21:20:55,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-12 21:20:55,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 21:20:55,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 21:20:55,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 21:20:55,071 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 [2021-08-12 21:20:55,106 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 21:20:55,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 21:20:55,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 21:20:55,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 21:20:55,110 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 21:20:55,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 21:20:55,110 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 21:20:55,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 21:20:55,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 21:20:55,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 21:20:55,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 21:20:55,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 21:20:55,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 21:20:55,112 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 21:20:55,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 21:20:55,113 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 21:20:55,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 21:20:55,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 21:20:55,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 21:20:55,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 21:20:55,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 21:20:55,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 21:20:55,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 21:20:55,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 21:20:55,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-12 21:20:55,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 21:20:55,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 21:20:55,115 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 21:20:55,115 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-12 21:20:55,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 21:20:55,115 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 21:20:55,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 21:20:55,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 21:20:55,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 21:20:55,464 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-12 21:20:55,465 INFO L275 PluginConnector]: CDTParser initialized [2021-08-12 21:20:55,465 INFO L432 ainManager$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 [2021-08-12 21:20:55,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c342e6daa/90b0afae8d6e403083e412e9a74e3bd4/FLAGaed2d695b [2021-08-12 21:20:56,081 INFO L306 CDTParser]: Found 1 translation units. [2021-08-12 21:20:56,081 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2021-08-12 21:20:56,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c342e6daa/90b0afae8d6e403083e412e9a74e3bd4/FLAGaed2d695b [2021-08-12 21:20:56,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c342e6daa/90b0afae8d6e403083e412e9a74e3bd4 [2021-08-12 21:20:56,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 21:20:56,368 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-12 21:20:56,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-12 21:20:56,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-12 21:20:56,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-12 21:20:56,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 09:20:56" (1/1) ... [2021-08-12 21:20:56,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44696b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:20:56, skipping insertion in model container [2021-08-12 21:20:56,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 09:20:56" (1/1) ... [2021-08-12 21:20:56,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-12 21:20:56,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-12 21:20:57,272 WARN L224 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] [2021-08-12 21:20:57,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 21:20:57,316 INFO L203 MainTranslator]: Completed pre-run [2021-08-12 21:20:57,361 WARN L224 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] [2021-08-12 21:20:57,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 21:20:57,679 INFO L208 MainTranslator]: Completed translation [2021-08-12 21:20:57,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:20:57 WrapperNode [2021-08-12 21:20:57,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-12 21:20:57,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 21:20:57,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 21:20:57,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 21:20:57,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:20:57" (1/1) ... [2021-08-12 21:20:57,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:20:57" (1/1) ... [2021-08-12 21:20:57,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 21:20:57,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 21:20:57,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 21:20:57,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 21:20:57,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:20:57" (1/1) ... [2021-08-12 21:20:57,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:20:57" (1/1) ... [2021-08-12 21:20:57,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:20:57" (1/1) ... [2021-08-12 21:20:57,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:20:57" (1/1) ... [2021-08-12 21:20:57,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:20:57" (1/1) ... [2021-08-12 21:20:57,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:20:57" (1/1) ... [2021-08-12 21:20:57,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:20:57" (1/1) ... [2021-08-12 21:20:57,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 21:20:57,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 21:20:57,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 21:20:57,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 21:20:57,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:20:57" (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 [2021-08-12 21:20:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-12 21:20:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-12 21:20:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-12 21:20:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-12 21:20:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 21:20:57,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 21:20:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-08-12 21:20:57,869 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-08-12 21:20:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-12 21:20:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-12 21:20:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-12 21:20:57,871 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 21:20:58,558 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 21:20:58,558 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-08-12 21:20:58,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:20:58 BoogieIcfgContainer [2021-08-12 21:20:58,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 21:20:58,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 21:20:58,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 21:20:58,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 21:20:58,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.08 09:20:56" (1/3) ... [2021-08-12 21:20:58,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e52a6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 09:20:58, skipping insertion in model container [2021-08-12 21:20:58,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:20:57" (2/3) ... [2021-08-12 21:20:58,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e52a6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 09:20:58, skipping insertion in model container [2021-08-12 21:20:58,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:20:58" (3/3) ... [2021-08-12 21:20:58,566 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2021-08-12 21:20:58,571 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 21:20:58,572 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-08-12 21:20:58,572 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 21:20:58,600 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,600 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,600 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,600 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,601 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,601 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,601 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,601 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,601 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,601 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,601 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,601 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,602 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,602 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,602 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,602 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,602 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,602 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,602 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,602 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,603 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,603 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,603 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,603 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,603 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,603 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,603 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,603 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,604 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,604 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,604 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,604 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,604 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,604 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,604 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,605 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,605 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,605 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,605 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,605 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,605 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,606 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,606 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,606 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,606 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,606 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,606 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,606 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,607 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,607 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,607 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,607 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,607 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,607 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,607 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,608 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,608 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,608 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,608 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,608 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,608 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,608 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,609 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,609 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,609 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,609 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,609 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,609 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,609 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,609 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,610 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,610 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,610 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,610 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,610 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,610 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,610 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,610 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,611 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,611 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,611 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,611 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,611 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,611 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,611 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,611 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,611 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,612 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,612 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,612 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,612 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,612 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,612 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,613 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,613 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,613 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,613 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,613 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,613 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,613 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,613 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,614 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,614 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,614 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,614 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,614 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,614 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,614 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,615 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,615 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,615 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,615 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,615 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,615 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,615 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,615 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,617 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,618 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,618 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,618 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,618 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,618 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,618 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,618 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,619 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,619 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,623 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,623 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,623 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,624 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,624 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,624 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,624 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,624 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,624 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,624 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:20:58,649 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-12 21:20:58,669 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-08-12 21:20:58,687 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 21:20:58,688 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-12 21:20:58,688 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 21:20:58,688 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 21:20:58,688 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 21:20:58,688 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 21:20:58,688 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 21:20:58,688 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 21:20:58,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 170 transitions, 362 flow [2021-08-12 21:20:58,780 INFO L129 PetriNetUnfolder]: 11/210 cut-off events. [2021-08-12 21:20:58,780 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-12 21:20:58,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 210 events. 11/210 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 377 event pairs, 0 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 120. Up to 4 conditions per place. [2021-08-12 21:20:58,785 INFO L82 GeneralOperation]: Start removeDead. Operand has 166 places, 170 transitions, 362 flow [2021-08-12 21:20:58,790 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 156 places, 158 transitions, 334 flow [2021-08-12 21:20:58,797 INFO L129 PetriNetUnfolder]: 0/36 cut-off events. [2021-08-12 21:20:58,797 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:20:58,797 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:20:58,798 INFO L266 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] [2021-08-12 21:20:58,799 INFO L430 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]=== [2021-08-12 21:20:58,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:20:58,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1624038893, now seen corresponding path program 1 times [2021-08-12 21:20:58,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:20:58,811 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706158450] [2021-08-12 21:20:58,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:20:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:20:59,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:20:59,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:20:59,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:20:59,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:20:59,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:20:59,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:20:59,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:20:59,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:20:59,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:20:59,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:20:59,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:20:59,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:20:59,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:20:59,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:20:59,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:20:59,262 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:20:59,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706158450] [2021-08-12 21:20:59,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706158450] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:20:59,264 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:20:59,264 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-12 21:20:59,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421170722] [2021-08-12 21:20:59,272 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 21:20:59,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:20:59,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 21:20:59,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-12 21:20:59,294 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 170 [2021-08-12 21:20:59,302 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 158 transitions, 334 flow. Second operand has 6 states, 6 states have (on average 99.33333333333333) internal successors, (596), 6 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:20:59,302 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:20:59,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 170 [2021-08-12 21:20:59,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:20:59,745 INFO L129 PetriNetUnfolder]: 362/1016 cut-off events. [2021-08-12 21:20:59,746 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-08-12 21:20:59,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1703 conditions, 1016 events. 362/1016 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 6173 event pairs, 216 based on Foata normal form. 20/990 useless extension candidates. Maximal degree in co-relation 1498. Up to 395 conditions per place. [2021-08-12 21:20:59,761 INFO L132 encePairwiseOnDemand]: 148/170 looper letters, 49 selfloop transitions, 17 changer transitions 1/154 dead transitions. [2021-08-12 21:20:59,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 154 transitions, 460 flow [2021-08-12 21:20:59,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 21:20:59,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-12 21:20:59,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 945 transitions. [2021-08-12 21:20:59,782 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6176470588235294 [2021-08-12 21:20:59,783 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 945 transitions. [2021-08-12 21:20:59,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 945 transitions. [2021-08-12 21:20:59,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:20:59,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 945 transitions. [2021-08-12 21:20:59,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 105.0) internal successors, (945), 9 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:20:59,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 170.0) internal successors, (1700), 10 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:20:59,806 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 170.0) internal successors, (1700), 10 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:20:59,807 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 1 predicate places. [2021-08-12 21:20:59,807 INFO L482 AbstractCegarLoop]: Abstraction has has 157 places, 154 transitions, 460 flow [2021-08-12 21:20:59,808 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 99.33333333333333) internal successors, (596), 6 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:20:59,808 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:20:59,809 INFO L266 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] [2021-08-12 21:20:59,809 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 21:20:59,810 INFO L430 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]=== [2021-08-12 21:20:59,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:20:59,811 INFO L82 PathProgramCache]: Analyzing trace with hash -652027726, now seen corresponding path program 1 times [2021-08-12 21:20:59,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:20:59,811 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499679457] [2021-08-12 21:20:59,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:20:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:20:59,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:20:59,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:20:59,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:20:59,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:20:59,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:20:59,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:20:59,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:20:59,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:20:59,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:20:59,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:20:59,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:20:59,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:20:59,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:20:59,992 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:20:59,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499679457] [2021-08-12 21:20:59,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499679457] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:20:59,992 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:20:59,992 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-12 21:20:59,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740414981] [2021-08-12 21:20:59,993 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 21:20:59,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:20:59,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 21:20:59,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-12 21:20:59,995 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 170 [2021-08-12 21:20:59,996 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 154 transitions, 460 flow. Second operand has 6 states, 6 states have (on average 100.16666666666667) internal successors, (601), 6 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:20:59,996 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:20:59,996 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 170 [2021-08-12 21:20:59,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:00,345 INFO L129 PetriNetUnfolder]: 362/955 cut-off events. [2021-08-12 21:21:00,345 INFO L130 PetriNetUnfolder]: For 75/241 co-relation queries the response was YES. [2021-08-12 21:21:00,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2317 conditions, 955 events. 362/955 cut-off events. For 75/241 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 5638 event pairs, 120 based on Foata normal form. 0/911 useless extension candidates. Maximal degree in co-relation 2041. Up to 398 conditions per place. [2021-08-12 21:21:00,353 INFO L132 encePairwiseOnDemand]: 151/170 looper letters, 57 selfloop transitions, 18 changer transitions 1/162 dead transitions. [2021-08-12 21:21:00,353 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 162 transitions, 646 flow [2021-08-12 21:21:00,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-12 21:21:00,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-08-12 21:21:00,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1047 transitions. [2021-08-12 21:21:00,356 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6158823529411764 [2021-08-12 21:21:00,357 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1047 transitions. [2021-08-12 21:21:00,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1047 transitions. [2021-08-12 21:21:00,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:00,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1047 transitions. [2021-08-12 21:21:00,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 104.7) internal successors, (1047), 10 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:00,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 170.0) internal successors, (1870), 11 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:00,363 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 170.0) internal successors, (1870), 11 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:00,364 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 8 predicate places. [2021-08-12 21:21:00,364 INFO L482 AbstractCegarLoop]: Abstraction has has 164 places, 162 transitions, 646 flow [2021-08-12 21:21:00,364 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 100.16666666666667) internal successors, (601), 6 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:00,364 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:00,365 INFO L266 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] [2021-08-12 21:21:00,365 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 21:21:00,365 INFO L430 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]=== [2021-08-12 21:21:00,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:00,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1629089851, now seen corresponding path program 1 times [2021-08-12 21:21:00,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:00,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129602099] [2021-08-12 21:21:00,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:00,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:00,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:00,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:00,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:21:00,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:00,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:00,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:00,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:00,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:00,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:00,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:00,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:00,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:00,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:00,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:00,610 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:00,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129602099] [2021-08-12 21:21:00,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129602099] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:00,610 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:00,610 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-12 21:21:00,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970892144] [2021-08-12 21:21:00,611 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 21:21:00,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:00,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 21:21:00,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-12 21:21:00,613 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 170 [2021-08-12 21:21:00,614 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 162 transitions, 646 flow. Second operand has 6 states, 6 states have (on average 99.33333333333333) internal successors, (596), 6 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:00,614 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:00,614 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 170 [2021-08-12 21:21:00,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:01,243 INFO L129 PetriNetUnfolder]: 833/1964 cut-off events. [2021-08-12 21:21:01,244 INFO L130 PetriNetUnfolder]: For 303/359 co-relation queries the response was YES. [2021-08-12 21:21:01,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6278 conditions, 1964 events. 833/1964 cut-off events. For 303/359 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 12894 event pairs, 104 based on Foata normal form. 0/1930 useless extension candidates. Maximal degree in co-relation 5939. Up to 882 conditions per place. [2021-08-12 21:21:01,261 INFO L132 encePairwiseOnDemand]: 149/170 looper letters, 113 selfloop transitions, 59 changer transitions 1/259 dead transitions. [2021-08-12 21:21:01,264 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 259 transitions, 1566 flow [2021-08-12 21:21:01,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 21:21:01,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-12 21:21:01,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1380 transitions. [2021-08-12 21:21:01,268 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6244343891402715 [2021-08-12 21:21:01,268 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1380 transitions. [2021-08-12 21:21:01,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1380 transitions. [2021-08-12 21:21:01,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:01,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1380 transitions. [2021-08-12 21:21:01,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 106.15384615384616) internal successors, (1380), 13 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:01,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 170.0) internal successors, (2380), 14 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:01,278 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 170.0) internal successors, (2380), 14 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:01,279 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 20 predicate places. [2021-08-12 21:21:01,279 INFO L482 AbstractCegarLoop]: Abstraction has has 176 places, 259 transitions, 1566 flow [2021-08-12 21:21:01,279 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 99.33333333333333) internal successors, (596), 6 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:01,279 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:01,280 INFO L266 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] [2021-08-12 21:21:01,280 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-12 21:21:01,280 INFO L430 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]=== [2021-08-12 21:21:01,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:01,280 INFO L82 PathProgramCache]: Analyzing trace with hash 157318948, now seen corresponding path program 1 times [2021-08-12 21:21:01,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:01,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810485370] [2021-08-12 21:21:01,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:01,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:01,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:01,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:01,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:01,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:01,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:01,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:01,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:01,410 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:01,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810485370] [2021-08-12 21:21:01,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810485370] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:01,410 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:01,410 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-12 21:21:01,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666954759] [2021-08-12 21:21:01,411 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 21:21:01,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:01,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 21:21:01,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-12 21:21:01,450 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 170 [2021-08-12 21:21:01,451 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 259 transitions, 1566 flow. Second operand has 6 states, 6 states have (on average 100.16666666666667) internal successors, (601), 6 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:01,451 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:01,451 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 170 [2021-08-12 21:21:01,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:02,162 INFO L129 PetriNetUnfolder]: 1145/2531 cut-off events. [2021-08-12 21:21:02,162 INFO L130 PetriNetUnfolder]: For 805/903 co-relation queries the response was YES. [2021-08-12 21:21:02,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10411 conditions, 2531 events. 1145/2531 cut-off events. For 805/903 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 17219 event pairs, 109 based on Foata normal form. 47/2529 useless extension candidates. Maximal degree in co-relation 10012. Up to 1195 conditions per place. [2021-08-12 21:21:02,187 INFO L132 encePairwiseOnDemand]: 151/170 looper letters, 123 selfloop transitions, 53 changer transitions 100/362 dead transitions. [2021-08-12 21:21:02,187 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 362 transitions, 2936 flow [2021-08-12 21:21:02,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-12 21:21:02,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-08-12 21:21:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1171 transitions. [2021-08-12 21:21:02,191 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6262032085561497 [2021-08-12 21:21:02,191 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1171 transitions. [2021-08-12 21:21:02,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1171 transitions. [2021-08-12 21:21:02,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:02,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1171 transitions. [2021-08-12 21:21:02,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 106.45454545454545) internal successors, (1171), 11 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:02,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 170.0) internal successors, (2040), 12 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:02,200 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 170.0) internal successors, (2040), 12 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:02,200 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 30 predicate places. [2021-08-12 21:21:02,200 INFO L482 AbstractCegarLoop]: Abstraction has has 186 places, 362 transitions, 2936 flow [2021-08-12 21:21:02,201 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 100.16666666666667) internal successors, (601), 6 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:02,201 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:02,201 INFO L266 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] [2021-08-12 21:21:02,202 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-12 21:21:02,202 INFO L430 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]=== [2021-08-12 21:21:02,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:02,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1520296253, now seen corresponding path program 1 times [2021-08-12 21:21:02,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:02,203 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061543202] [2021-08-12 21:21:02,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:02,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:02,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:02,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:02,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:02,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:02,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:02,331 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:02,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061543202] [2021-08-12 21:21:02,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061543202] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:02,332 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:02,332 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 21:21:02,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106178319] [2021-08-12 21:21:02,333 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 21:21:02,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:02,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 21:21:02,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 21:21:02,336 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 170 [2021-08-12 21:21:02,337 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 362 transitions, 2936 flow. Second operand has 5 states, 5 states have (on average 148.8) internal successors, (744), 5 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:02,337 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:02,337 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 170 [2021-08-12 21:21:02,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:02,437 INFO L129 PetriNetUnfolder]: 73/387 cut-off events. [2021-08-12 21:21:02,438 INFO L130 PetriNetUnfolder]: For 228/284 co-relation queries the response was YES. [2021-08-12 21:21:02,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1186 conditions, 387 events. 73/387 cut-off events. For 228/284 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1449 event pairs, 72 based on Foata normal form. 0/374 useless extension candidates. Maximal degree in co-relation 739. Up to 155 conditions per place. [2021-08-12 21:21:02,441 INFO L132 encePairwiseOnDemand]: 164/170 looper letters, 5 selfloop transitions, 4 changer transitions 27/150 dead transitions. [2021-08-12 21:21:02,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 150 transitions, 836 flow [2021-08-12 21:21:02,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-12 21:21:02,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-12 21:21:02,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1046 transitions. [2021-08-12 21:21:02,444 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8789915966386554 [2021-08-12 21:21:02,444 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1046 transitions. [2021-08-12 21:21:02,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1046 transitions. [2021-08-12 21:21:02,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:02,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1046 transitions. [2021-08-12 21:21:02,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 149.42857142857142) internal successors, (1046), 7 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:02,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 170.0) internal successors, (1360), 8 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:02,449 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 170.0) internal successors, (1360), 8 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:02,449 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 25 predicate places. [2021-08-12 21:21:02,449 INFO L482 AbstractCegarLoop]: Abstraction has has 181 places, 150 transitions, 836 flow [2021-08-12 21:21:02,450 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 148.8) internal successors, (744), 5 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:02,450 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:02,450 INFO L266 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, 1, 1, 1, 1, 1, 1] [2021-08-12 21:21:02,450 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-12 21:21:02,450 INFO L430 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]=== [2021-08-12 21:21:02,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:02,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1444884227, now seen corresponding path program 1 times [2021-08-12 21:21:02,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:02,452 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319280471] [2021-08-12 21:21:02,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:02,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:02,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:02,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:02,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:02,848 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-12 21:21:02,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:02,862 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:02,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:02,880 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-08-12 21:21:02,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 21:21:02,913 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-08-12 21:21:02,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 21:21:02,933 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-08-12 21:21:02,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:21:02,952 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-12 21:21:02,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:02,974 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-12 21:21:02,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:21:02,993 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-12 21:21:02,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:02,997 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:02,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:03,012 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:03,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:03,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:03,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:03,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:03,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:03,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:03,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:03,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:03,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:03,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:03,072 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:03,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319280471] [2021-08-12 21:21:03,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319280471] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:03,072 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:03,072 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-12 21:21:03,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445207996] [2021-08-12 21:21:03,074 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-12 21:21:03,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:03,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-12 21:21:03,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-08-12 21:21:03,080 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 170 [2021-08-12 21:21:03,082 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 150 transitions, 836 flow. Second operand has 15 states, 15 states have (on average 77.86666666666666) internal successors, (1168), 15 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:03,083 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:03,083 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 170 [2021-08-12 21:21:03,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:04,145 INFO L129 PetriNetUnfolder]: 482/1296 cut-off events. [2021-08-12 21:21:04,145 INFO L130 PetriNetUnfolder]: For 2973/3173 co-relation queries the response was YES. [2021-08-12 21:21:04,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4578 conditions, 1296 events. 482/1296 cut-off events. For 2973/3173 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 7529 event pairs, 192 based on Foata normal form. 0/1258 useless extension candidates. Maximal degree in co-relation 3600. Up to 541 conditions per place. [2021-08-12 21:21:04,155 INFO L132 encePairwiseOnDemand]: 143/170 looper letters, 99 selfloop transitions, 25 changer transitions 39/221 dead transitions. [2021-08-12 21:21:04,156 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 221 transitions, 1688 flow [2021-08-12 21:21:04,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-12 21:21:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-08-12 21:21:04,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1486 transitions. [2021-08-12 21:21:04,160 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.48562091503267973 [2021-08-12 21:21:04,160 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1486 transitions. [2021-08-12 21:21:04,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1486 transitions. [2021-08-12 21:21:04,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:04,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1486 transitions. [2021-08-12 21:21:04,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 82.55555555555556) internal successors, (1486), 18 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) [2021-08-12 21:21:04,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 170.0) internal successors, (3230), 19 states have internal predecessors, (3230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:04,168 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 170.0) internal successors, (3230), 19 states have internal predecessors, (3230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:04,169 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 42 predicate places. [2021-08-12 21:21:04,169 INFO L482 AbstractCegarLoop]: Abstraction has has 198 places, 221 transitions, 1688 flow [2021-08-12 21:21:04,169 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 77.86666666666666) internal successors, (1168), 15 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:04,169 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:04,169 INFO L266 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, 1, 1, 1, 1, 1, 1] [2021-08-12 21:21:04,170 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-12 21:21:04,170 INFO L430 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]=== [2021-08-12 21:21:04,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:04,170 INFO L82 PathProgramCache]: Analyzing trace with hash 112071175, now seen corresponding path program 2 times [2021-08-12 21:21:04,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:04,170 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046032743] [2021-08-12 21:21:04,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:04,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:04,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:04,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:04,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:04,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:04,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:04,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:04,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:04,461 INFO L142 QuantifierPusher]: treesize reduction 22, result has 47.6 percent of original size [2021-08-12 21:21:04,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-12 21:21:04,483 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:21:04,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:04,497 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:21:04,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:04,513 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-08-12 21:21:04,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:04,529 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-08-12 21:21:04,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:21:04,549 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.0 percent of original size [2021-08-12 21:21:04,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 21:21:04,563 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-08-12 21:21:04,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:21:04,566 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-08-12 21:21:04,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-12 21:21:04,583 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:21:04,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:04,596 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:21:04,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:04,598 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:04,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:04,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:04,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:04,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:04,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:04,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:04,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:04,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:04,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:04,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:04,645 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:04,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046032743] [2021-08-12 21:21:04,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046032743] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:04,646 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:04,646 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-12 21:21:04,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602982176] [2021-08-12 21:21:04,646 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-12 21:21:04,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:04,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-12 21:21:04,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-08-12 21:21:04,649 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 170 [2021-08-12 21:21:04,651 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 221 transitions, 1688 flow. Second operand has 15 states, 15 states have (on average 77.86666666666666) internal successors, (1168), 15 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:04,651 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:04,651 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 170 [2021-08-12 21:21:04,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:05,783 INFO L129 PetriNetUnfolder]: 561/1602 cut-off events. [2021-08-12 21:21:05,783 INFO L130 PetriNetUnfolder]: For 4090/4676 co-relation queries the response was YES. [2021-08-12 21:21:05,787 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6854 conditions, 1602 events. 561/1602 cut-off events. For 4090/4676 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 10390 event pairs, 38 based on Foata normal form. 14/1589 useless extension candidates. Maximal degree in co-relation 5240. Up to 682 conditions per place. [2021-08-12 21:21:05,798 INFO L132 encePairwiseOnDemand]: 140/170 looper letters, 165 selfloop transitions, 41 changer transitions 51/315 dead transitions. [2021-08-12 21:21:05,799 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 315 transitions, 3130 flow [2021-08-12 21:21:05,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-12 21:21:05,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-08-12 21:21:05,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1495 transitions. [2021-08-12 21:21:05,803 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.48856209150326796 [2021-08-12 21:21:05,804 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1495 transitions. [2021-08-12 21:21:05,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1495 transitions. [2021-08-12 21:21:05,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:05,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1495 transitions. [2021-08-12 21:21:05,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 83.05555555555556) internal successors, (1495), 18 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:05,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 170.0) internal successors, (3230), 19 states have internal predecessors, (3230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:05,813 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 170.0) internal successors, (3230), 19 states have internal predecessors, (3230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:05,813 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 59 predicate places. [2021-08-12 21:21:05,813 INFO L482 AbstractCegarLoop]: Abstraction has has 215 places, 315 transitions, 3130 flow [2021-08-12 21:21:05,814 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 77.86666666666666) internal successors, (1168), 15 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:05,814 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:05,814 INFO L266 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, 1, 1, 1, 1, 1, 1] [2021-08-12 21:21:05,814 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-12 21:21:05,815 INFO L430 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]=== [2021-08-12 21:21:05,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:05,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1689835185, now seen corresponding path program 3 times [2021-08-12 21:21:05,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:05,815 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811384601] [2021-08-12 21:21:05,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:06,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:06,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:06,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:06,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:06,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:06,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:06,020 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-12 21:21:06,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:06,033 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:06,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:06,047 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:06,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:06,062 INFO L142 QuantifierPusher]: treesize reduction 13, result has 53.6 percent of original size [2021-08-12 21:21:06,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:06,082 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-08-12 21:21:06,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:21:06,096 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-12 21:21:06,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:06,114 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-12 21:21:06,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:21:06,125 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-12 21:21:06,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:06,127 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:06,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:06,141 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:06,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:06,144 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:06,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:06,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:06,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:06,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:06,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:06,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:06,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:06,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:06,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:06,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:06,190 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:06,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811384601] [2021-08-12 21:21:06,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811384601] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:06,191 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:06,191 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-12 21:21:06,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373489057] [2021-08-12 21:21:06,191 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-12 21:21:06,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:06,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-12 21:21:06,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-08-12 21:21:06,195 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 170 [2021-08-12 21:21:06,196 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 315 transitions, 3130 flow. Second operand has 15 states, 15 states have (on average 77.86666666666666) internal successors, (1168), 15 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:06,196 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:06,197 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 170 [2021-08-12 21:21:06,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:07,414 INFO L129 PetriNetUnfolder]: 661/1982 cut-off events. [2021-08-12 21:21:07,414 INFO L130 PetriNetUnfolder]: For 6517/7505 co-relation queries the response was YES. [2021-08-12 21:21:07,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9926 conditions, 1982 events. 661/1982 cut-off events. For 6517/7505 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 13970 event pairs, 39 based on Foata normal form. 76/2026 useless extension candidates. Maximal degree in co-relation 7363. Up to 859 conditions per place. [2021-08-12 21:21:07,435 INFO L132 encePairwiseOnDemand]: 140/170 looper letters, 209 selfloop transitions, 57 changer transitions 65/389 dead transitions. [2021-08-12 21:21:07,435 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 389 transitions, 4704 flow [2021-08-12 21:21:07,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-12 21:21:07,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-08-12 21:21:07,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1598 transitions. [2021-08-12 21:21:07,440 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.49473684210526314 [2021-08-12 21:21:07,440 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1598 transitions. [2021-08-12 21:21:07,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1598 transitions. [2021-08-12 21:21:07,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:07,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1598 transitions. [2021-08-12 21:21:07,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 84.10526315789474) internal successors, (1598), 19 states have internal predecessors, (1598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:07,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 170.0) internal successors, (3400), 20 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:07,449 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 170.0) internal successors, (3400), 20 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:07,449 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 77 predicate places. [2021-08-12 21:21:07,449 INFO L482 AbstractCegarLoop]: Abstraction has has 233 places, 389 transitions, 4704 flow [2021-08-12 21:21:07,450 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 77.86666666666666) internal successors, (1168), 15 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:07,450 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:07,450 INFO L266 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, 1, 1, 1, 1, 1, 1] [2021-08-12 21:21:07,450 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-12 21:21:07,450 INFO L430 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]=== [2021-08-12 21:21:07,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:07,451 INFO L82 PathProgramCache]: Analyzing trace with hash 2061759501, now seen corresponding path program 4 times [2021-08-12 21:21:07,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:07,451 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751745620] [2021-08-12 21:21:07,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:07,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:07,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:07,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:07,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:07,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:07,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:07,669 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-12 21:21:07,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:07,681 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:07,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:07,695 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:07,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:07,708 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-08-12 21:21:07,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 21:21:07,720 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-08-12 21:21:07,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:21:07,734 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-12 21:21:07,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:07,752 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-08-12 21:21:07,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:21:07,763 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-12 21:21:07,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:07,766 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:07,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:07,780 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:07,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:07,781 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:07,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:07,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:07,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:07,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:07,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:07,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:07,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:07,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:07,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:07,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:07,832 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:07,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751745620] [2021-08-12 21:21:07,832 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751745620] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:07,834 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:07,834 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-12 21:21:07,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631579008] [2021-08-12 21:21:07,835 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-12 21:21:07,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:07,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-12 21:21:07,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-08-12 21:21:07,836 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 170 [2021-08-12 21:21:07,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 389 transitions, 4704 flow. Second operand has 15 states, 15 states have (on average 77.86666666666666) internal successors, (1168), 15 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:07,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:07,838 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 170 [2021-08-12 21:21:07,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:09,081 INFO L129 PetriNetUnfolder]: 663/2046 cut-off events. [2021-08-12 21:21:09,081 INFO L130 PetriNetUnfolder]: For 8399/9481 co-relation queries the response was YES. [2021-08-12 21:21:09,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11766 conditions, 2046 events. 663/2046 cut-off events. For 8399/9481 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 14394 event pairs, 56 based on Foata normal form. 37/2048 useless extension candidates. Maximal degree in co-relation 8434. Up to 883 conditions per place. [2021-08-12 21:21:09,106 INFO L132 encePairwiseOnDemand]: 142/170 looper letters, 252 selfloop transitions, 48 changer transitions 79/437 dead transitions. [2021-08-12 21:21:09,106 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 437 transitions, 6162 flow [2021-08-12 21:21:09,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-12 21:21:09,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-08-12 21:21:09,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1590 transitions. [2021-08-12 21:21:09,111 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.49226006191950467 [2021-08-12 21:21:09,111 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1590 transitions. [2021-08-12 21:21:09,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1590 transitions. [2021-08-12 21:21:09,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:09,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1590 transitions. [2021-08-12 21:21:09,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 83.6842105263158) internal successors, (1590), 19 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:09,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 170.0) internal successors, (3400), 20 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:09,119 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 170.0) internal successors, (3400), 20 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:09,119 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 95 predicate places. [2021-08-12 21:21:09,119 INFO L482 AbstractCegarLoop]: Abstraction has has 251 places, 437 transitions, 6162 flow [2021-08-12 21:21:09,119 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 77.86666666666666) internal successors, (1168), 15 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:09,119 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:09,120 INFO L266 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, 1, 1, 1, 1, 1, 1] [2021-08-12 21:21:09,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-12 21:21:09,120 INFO L430 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]=== [2021-08-12 21:21:09,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:09,120 INFO L82 PathProgramCache]: Analyzing trace with hash 62896993, now seen corresponding path program 5 times [2021-08-12 21:21:09,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:09,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866761520] [2021-08-12 21:21:09,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:09,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:09,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:09,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:09,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:09,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:09,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:09,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:09,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:09,339 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-12 21:21:09,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:09,351 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:09,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:09,365 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:21:09,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:09,382 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:21:09,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:21:09,402 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:21:09,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:21:09,424 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-08-12 21:21:09,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:21:09,446 INFO L142 QuantifierPusher]: treesize reduction 16, result has 67.3 percent of original size [2021-08-12 21:21:09,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-12 21:21:09,471 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.4 percent of original size [2021-08-12 21:21:09,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-08-12 21:21:09,488 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.4 percent of original size [2021-08-12 21:21:09,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-08-12 21:21:09,504 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.7 percent of original size [2021-08-12 21:21:09,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-12 21:21:09,527 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-08-12 21:21:09,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 21:21:09,549 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-08-12 21:21:09,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-12 21:21:09,566 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:09,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:09,582 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:21:09,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:09,584 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:09,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:09,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:09,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:09,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:09,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:09,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:09,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:09,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:09,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:09,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:09,643 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:09,643 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866761520] [2021-08-12 21:21:09,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866761520] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:09,644 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:09,674 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-12 21:21:09,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968761716] [2021-08-12 21:21:09,675 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 21:21:09,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:09,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 21:21:09,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2021-08-12 21:21:09,677 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 170 [2021-08-12 21:21:09,679 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 437 transitions, 6162 flow. Second operand has 19 states, 19 states have (on average 71.36842105263158) internal successors, (1356), 19 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:09,679 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:09,679 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 170 [2021-08-12 21:21:09,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:12,280 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2021-08-12 21:21:12,520 INFO L129 PetriNetUnfolder]: 2374/5870 cut-off events. [2021-08-12 21:21:12,521 INFO L130 PetriNetUnfolder]: For 37547/42727 co-relation queries the response was YES. [2021-08-12 21:21:12,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34984 conditions, 5870 events. 2374/5870 cut-off events. For 37547/42727 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 49287 event pairs, 280 based on Foata normal form. 33/5832 useless extension candidates. Maximal degree in co-relation 31289. Up to 2376 conditions per place. [2021-08-12 21:21:12,577 INFO L132 encePairwiseOnDemand]: 139/170 looper letters, 545 selfloop transitions, 95 changer transitions 103/795 dead transitions. [2021-08-12 21:21:12,577 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 795 transitions, 13094 flow [2021-08-12 21:21:12,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-12 21:21:12,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-08-12 21:21:12,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1577 transitions. [2021-08-12 21:21:12,580 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4638235294117647 [2021-08-12 21:21:12,580 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1577 transitions. [2021-08-12 21:21:12,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1577 transitions. [2021-08-12 21:21:12,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:12,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1577 transitions. [2021-08-12 21:21:12,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 78.85) internal successors, (1577), 20 states have internal predecessors, (1577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:12,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 170.0) internal successors, (3570), 21 states have internal predecessors, (3570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:12,587 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 170.0) internal successors, (3570), 21 states have internal predecessors, (3570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:12,587 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 114 predicate places. [2021-08-12 21:21:12,588 INFO L482 AbstractCegarLoop]: Abstraction has has 270 places, 795 transitions, 13094 flow [2021-08-12 21:21:12,588 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 71.36842105263158) internal successors, (1356), 19 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:12,588 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:12,588 INFO L266 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, 1, 1, 1, 1, 1, 1] [2021-08-12 21:21:12,589 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-12 21:21:12,589 INFO L430 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]=== [2021-08-12 21:21:12,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:12,589 INFO L82 PathProgramCache]: Analyzing trace with hash 183874997, now seen corresponding path program 1 times [2021-08-12 21:21:12,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:12,589 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794458834] [2021-08-12 21:21:12,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:12,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:12,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:12,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:12,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:12,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:12,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:21:12,781 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-08-12 21:21:12,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 21:21:12,792 INFO L142 QuantifierPusher]: treesize reduction 12, result has 53.8 percent of original size [2021-08-12 21:21:12,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:21:12,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:12,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:12,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:12,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:12,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:12,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-12 21:21:12,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:12,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:21:12,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:12,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:21:12,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:12,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-12 21:21:12,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:12,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-12 21:21:12,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:12,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-12 21:21:12,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:12,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-08-12 21:21:12,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:12,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-08-12 21:21:13,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:13,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-08-12 21:21:13,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:13,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-08-12 21:21:13,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:13,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-08-12 21:21:13,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:13,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-12 21:21:13,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:13,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 21:21:13,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:13,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-08-12 21:21:13,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:13,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-08-12 21:21:13,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:13,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-12 21:21:13,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:13,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 21:21:13,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:13,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 21:21:13,241 INFO L142 QuantifierPusher]: treesize reduction 7, result has 96.9 percent of original size [2021-08-12 21:21:13,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-08-12 21:21:13,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:13,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:13,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:13,314 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:13,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794458834] [2021-08-12 21:21:13,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794458834] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:13,314 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:13,314 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-08-12 21:21:13,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220290522] [2021-08-12 21:21:13,315 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-08-12 21:21:13,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:13,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-12 21:21:13,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2021-08-12 21:21:13,317 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 170 [2021-08-12 21:21:13,319 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 795 transitions, 13094 flow. Second operand has 21 states, 21 states have (on average 91.85714285714286) internal successors, (1929), 21 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:13,319 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:13,319 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 170 [2021-08-12 21:21:13,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:18,437 INFO L129 PetriNetUnfolder]: 5349/12701 cut-off events. [2021-08-12 21:21:18,437 INFO L130 PetriNetUnfolder]: For 88038/91822 co-relation queries the response was YES. [2021-08-12 21:21:18,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81838 conditions, 12701 events. 5349/12701 cut-off events. For 88038/91822 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 116684 event pairs, 389 based on Foata normal form. 178/12798 useless extension candidates. Maximal degree in co-relation 69098. Up to 5319 conditions per place. [2021-08-12 21:21:18,571 INFO L132 encePairwiseOnDemand]: 143/170 looper letters, 1076 selfloop transitions, 145 changer transitions 153/1508 dead transitions. [2021-08-12 21:21:18,571 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 1508 transitions, 26865 flow [2021-08-12 21:21:18,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-12 21:21:18,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-08-12 21:21:18,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 2980 transitions. [2021-08-12 21:21:18,576 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5843137254901961 [2021-08-12 21:21:18,576 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 2980 transitions. [2021-08-12 21:21:18,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 2980 transitions. [2021-08-12 21:21:18,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:18,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 2980 transitions. [2021-08-12 21:21:18,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 99.33333333333333) internal successors, (2980), 30 states have internal predecessors, (2980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:18,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 170.0) internal successors, (5270), 31 states have internal predecessors, (5270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:18,588 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 170.0) internal successors, (5270), 31 states have internal predecessors, (5270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:18,588 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 143 predicate places. [2021-08-12 21:21:18,588 INFO L482 AbstractCegarLoop]: Abstraction has has 299 places, 1508 transitions, 26865 flow [2021-08-12 21:21:18,588 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 91.85714285714286) internal successors, (1929), 21 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:18,589 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:18,589 INFO L266 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, 1, 1, 1, 1, 1, 1] [2021-08-12 21:21:18,589 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-12 21:21:18,589 INFO L430 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]=== [2021-08-12 21:21:18,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:18,589 INFO L82 PathProgramCache]: Analyzing trace with hash -724132207, now seen corresponding path program 2 times [2021-08-12 21:21:18,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:18,590 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538446577] [2021-08-12 21:21:18,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:18,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:18,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:18,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:18,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:21:18,848 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-08-12 21:21:18,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:18,857 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-08-12 21:21:18,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:18,864 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-08-12 21:21:18,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 21:21:18,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:18,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 21:21:18,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:18,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 21:21:18,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:18,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:18,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:18,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-12 21:21:18,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:18,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:21:18,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:18,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-12 21:21:18,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:18,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:21:18,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:18,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:21:19,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:19,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 21:21:19,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:19,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-12 21:21:19,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:19,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 21:21:19,058 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 21:21:19,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-12 21:21:19,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:19,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:19,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:19,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:19,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538446577] [2021-08-12 21:21:19,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538446577] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:19,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:19,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-08-12 21:21:19,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442659387] [2021-08-12 21:21:19,128 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-08-12 21:21:19,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:19,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-12 21:21:19,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-08-12 21:21:19,130 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 170 [2021-08-12 21:21:19,131 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 1508 transitions, 26865 flow. Second operand has 17 states, 17 states have (on average 98.17647058823529) internal successors, (1669), 17 states have internal predecessors, (1669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:19,131 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:19,131 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 170 [2021-08-12 21:21:19,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:24,629 INFO L129 PetriNetUnfolder]: 7218/16766 cut-off events. [2021-08-12 21:21:24,629 INFO L130 PetriNetUnfolder]: For 128753/140077 co-relation queries the response was YES. [2021-08-12 21:21:24,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117896 conditions, 16766 events. 7218/16766 cut-off events. For 128753/140077 co-relation queries the response was YES. Maximal size of possible extension queue 547. Compared 160440 event pairs, 623 based on Foata normal form. 179/16817 useless extension candidates. Maximal degree in co-relation 98174. Up to 7803 conditions per place. [2021-08-12 21:21:24,784 INFO L132 encePairwiseOnDemand]: 147/170 looper letters, 1363 selfloop transitions, 351 changer transitions 154/2225 dead transitions. [2021-08-12 21:21:24,784 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 2225 transitions, 43910 flow [2021-08-12 21:21:24,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-12 21:21:24,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-08-12 21:21:24,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 2556 transitions. [2021-08-12 21:21:24,792 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6014117647058823 [2021-08-12 21:21:24,792 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 2556 transitions. [2021-08-12 21:21:24,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 2556 transitions. [2021-08-12 21:21:24,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:24,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 2556 transitions. [2021-08-12 21:21:24,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 102.24) internal successors, (2556), 25 states have internal predecessors, (2556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:24,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 170.0) internal successors, (4420), 26 states have internal predecessors, (4420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:24,807 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 170.0) internal successors, (4420), 26 states have internal predecessors, (4420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:24,807 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 167 predicate places. [2021-08-12 21:21:24,807 INFO L482 AbstractCegarLoop]: Abstraction has has 323 places, 2225 transitions, 43910 flow [2021-08-12 21:21:24,808 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 98.17647058823529) internal successors, (1669), 17 states have internal predecessors, (1669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:24,808 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:24,808 INFO L266 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, 1, 1, 1, 1, 1, 1] [2021-08-12 21:21:24,808 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-12 21:21:24,808 INFO L430 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]=== [2021-08-12 21:21:24,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:24,809 INFO L82 PathProgramCache]: Analyzing trace with hash -78044619, now seen corresponding path program 6 times [2021-08-12 21:21:24,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:24,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840575210] [2021-08-12 21:21:24,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:24,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:24,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:24,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:24,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:24,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:24,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:21:24,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:24,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:21:25,105 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2021-08-12 21:21:25,107 INFO L142 QuantifierPusher]: treesize reduction 22, result has 47.6 percent of original size [2021-08-12 21:21:25,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-12 21:21:25,134 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:21:25,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:25,149 INFO L142 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size [2021-08-12 21:21:25,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:25,169 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:21:25,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:25,191 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:21:25,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:21:25,214 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-08-12 21:21:25,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:21:25,237 INFO L142 QuantifierPusher]: treesize reduction 18, result has 64.7 percent of original size [2021-08-12 21:21:25,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-12 21:21:25,266 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size [2021-08-12 21:21:25,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-08-12 21:21:25,284 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size [2021-08-12 21:21:25,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-08-12 21:21:25,302 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.8 percent of original size [2021-08-12 21:21:25,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-12 21:21:25,324 INFO L142 QuantifierPusher]: treesize reduction 11, result has 65.6 percent of original size [2021-08-12 21:21:25,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 21:21:25,345 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-08-12 21:21:25,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-12 21:21:25,366 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:21:25,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:25,380 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:21:25,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:25,381 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:21:25,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:25,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:25,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:21:25,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:25,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:25,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:25,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:21:25,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:25,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:25,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:25,436 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:25,436 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840575210] [2021-08-12 21:21:25,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840575210] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:25,436 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:25,436 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-12 21:21:25,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83216486] [2021-08-12 21:21:25,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 21:21:25,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:25,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 21:21:25,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2021-08-12 21:21:25,440 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 170 [2021-08-12 21:21:25,441 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 2225 transitions, 43910 flow. Second operand has 19 states, 19 states have (on average 71.36842105263158) internal successors, (1356), 19 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:25,441 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:25,441 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 170 [2021-08-12 21:21:25,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:35,928 INFO L129 PetriNetUnfolder]: 8521/19948 cut-off events. [2021-08-12 21:21:35,928 INFO L130 PetriNetUnfolder]: For 180514/195665 co-relation queries the response was YES. [2021-08-12 21:21:35,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155050 conditions, 19948 events. 8521/19948 cut-off events. For 180514/195665 co-relation queries the response was YES. Maximal size of possible extension queue 677. Compared 199774 event pairs, 594 based on Foata normal form. 258/20056 useless extension candidates. Maximal degree in co-relation 128940. Up to 10205 conditions per place. [2021-08-12 21:21:36,114 INFO L132 encePairwiseOnDemand]: 138/170 looper letters, 1950 selfloop transitions, 451 changer transitions 180/2673 dead transitions. [2021-08-12 21:21:36,115 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 2673 transitions, 57020 flow [2021-08-12 21:21:36,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-12 21:21:36,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-08-12 21:21:36,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 2326 transitions. [2021-08-12 21:21:36,119 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.456078431372549 [2021-08-12 21:21:36,119 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 2326 transitions. [2021-08-12 21:21:36,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 2326 transitions. [2021-08-12 21:21:36,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:36,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 2326 transitions. [2021-08-12 21:21:36,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 77.53333333333333) internal successors, (2326), 30 states have internal predecessors, (2326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:36,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 170.0) internal successors, (5270), 31 states have internal predecessors, (5270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:36,129 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 170.0) internal successors, (5270), 31 states have internal predecessors, (5270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:36,129 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 196 predicate places. [2021-08-12 21:21:36,129 INFO L482 AbstractCegarLoop]: Abstraction has has 352 places, 2673 transitions, 57020 flow [2021-08-12 21:21:36,129 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 71.36842105263158) internal successors, (1356), 19 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:36,129 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:36,129 INFO L266 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, 1, 1, 1, 1, 1, 1] [2021-08-12 21:21:36,130 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-12 21:21:36,130 INFO L430 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]=== [2021-08-12 21:21:36,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:36,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1684175769, now seen corresponding path program 3 times [2021-08-12 21:21:36,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:36,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103420912] [2021-08-12 21:21:36,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:36,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:36,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:21:36,283 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-08-12 21:21:36,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 21:21:36,289 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-08-12 21:21:36,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:36,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:21:36,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:21:36,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:36,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:21:36,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:21:36,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:21:36,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 21:21:36,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 21:21:36,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-12 21:21:36,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-12 21:21:36,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-12 21:21:36,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-08-12 21:21:36,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-08-12 21:21:36,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-12 21:21:36,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 21:21:36,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-08-12 21:21:36,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-08-12 21:21:36,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-12 21:21:36,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 21:21:36,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 21:21:36,687 INFO L142 QuantifierPusher]: treesize reduction 7, result has 96.9 percent of original size [2021-08-12 21:21:36,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-08-12 21:21:36,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:36,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:36,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:36,745 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:36,745 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103420912] [2021-08-12 21:21:36,745 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103420912] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:36,745 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:36,745 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-08-12 21:21:36,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351173502] [2021-08-12 21:21:36,746 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-08-12 21:21:36,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:36,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-12 21:21:36,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2021-08-12 21:21:36,748 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 170 [2021-08-12 21:21:36,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 2673 transitions, 57020 flow. Second operand has 21 states, 21 states have (on average 91.85714285714286) internal successors, (1929), 21 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:36,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:36,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 170 [2021-08-12 21:21:36,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:21:50,979 INFO L129 PetriNetUnfolder]: 9565/22375 cut-off events. [2021-08-12 21:21:50,979 INFO L130 PetriNetUnfolder]: For 222514/242832 co-relation queries the response was YES. [2021-08-12 21:21:51,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191958 conditions, 22375 events. 9565/22375 cut-off events. For 222514/242832 co-relation queries the response was YES. Maximal size of possible extension queue 778. Compared 228182 event pairs, 555 based on Foata normal form. 411/22648 useless extension candidates. Maximal degree in co-relation 160525. Up to 12011 conditions per place. [2021-08-12 21:21:51,181 INFO L132 encePairwiseOnDemand]: 144/170 looper letters, 2470 selfloop transitions, 443 changer transitions 212/3278 dead transitions. [2021-08-12 21:21:51,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 3278 transitions, 75337 flow [2021-08-12 21:21:51,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-12 21:21:51,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-08-12 21:21:51,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 2521 transitions. [2021-08-12 21:21:51,185 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5931764705882353 [2021-08-12 21:21:51,185 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 2521 transitions. [2021-08-12 21:21:51,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 2521 transitions. [2021-08-12 21:21:51,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:21:51,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 2521 transitions. [2021-08-12 21:21:51,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 100.84) internal successors, (2521), 25 states have internal predecessors, (2521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:51,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 170.0) internal successors, (4420), 26 states have internal predecessors, (4420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:51,196 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 170.0) internal successors, (4420), 26 states have internal predecessors, (4420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:51,196 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 220 predicate places. [2021-08-12 21:21:51,197 INFO L482 AbstractCegarLoop]: Abstraction has has 376 places, 3278 transitions, 75337 flow [2021-08-12 21:21:51,197 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 91.85714285714286) internal successors, (1929), 21 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:51,197 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:21:51,197 INFO L266 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, 1, 1, 1, 1, 1, 1] [2021-08-12 21:21:51,197 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-12 21:21:51,197 INFO L430 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]=== [2021-08-12 21:21:51,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:21:51,198 INFO L82 PathProgramCache]: Analyzing trace with hash 963979773, now seen corresponding path program 4 times [2021-08-12 21:21:51,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:21:51,198 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025197220] [2021-08-12 21:21:51,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:21:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:21:51,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:51,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:21:51,330 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-08-12 21:21:51,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 21:21:51,337 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-08-12 21:21:51,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:21:51,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:21:51,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:21:51,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:21:51,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:21:51,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:21:51,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:21:51,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 21:21:51,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 21:21:51,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-12 21:21:51,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-08-12 21:21:51,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-12 21:21:51,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-12 21:21:51,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-08-12 21:21:51,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-12 21:21:51,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 21:21:51,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-08-12 21:21:51,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-08-12 21:21:51,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-12 21:21:51,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 21:21:51,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 21:21:51,733 INFO L142 QuantifierPusher]: treesize reduction 7, result has 96.9 percent of original size [2021-08-12 21:21:51,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2021-08-12 21:21:51,972 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 18 [2021-08-12 21:21:51,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:21:51,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:21:51,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:21:51,974 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:21:51,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025197220] [2021-08-12 21:21:51,974 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025197220] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:21:51,975 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:21:51,975 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-08-12 21:21:51,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718966801] [2021-08-12 21:21:51,977 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-08-12 21:21:51,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:21:51,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-12 21:21:51,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2021-08-12 21:21:51,979 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 170 [2021-08-12 21:21:51,981 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 3278 transitions, 75337 flow. Second operand has 21 states, 21 states have (on average 91.85714285714286) internal successors, (1929), 21 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:21:51,982 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:21:51,982 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 170 [2021-08-12 21:21:51,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:22:15,194 INFO L129 PetriNetUnfolder]: 12146/28353 cut-off events. [2021-08-12 21:22:15,194 INFO L130 PetriNetUnfolder]: For 317834/349799 co-relation queries the response was YES. [2021-08-12 21:22:15,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 266683 conditions, 28353 events. 12146/28353 cut-off events. For 317834/349799 co-relation queries the response was YES. Maximal size of possible extension queue 1002. Compared 299818 event pairs, 646 based on Foata normal form. 414/28582 useless extension candidates. Maximal degree in co-relation 222555. Up to 16642 conditions per place. [2021-08-12 21:22:15,436 INFO L132 encePairwiseOnDemand]: 143/170 looper letters, 3268 selfloop transitions, 575 changer transitions 272/4268 dead transitions. [2021-08-12 21:22:15,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 4268 transitions, 106367 flow [2021-08-12 21:22:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-12 21:22:15,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-08-12 21:22:15,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 2999 transitions. [2021-08-12 21:22:15,441 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5880392156862745 [2021-08-12 21:22:15,441 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 2999 transitions. [2021-08-12 21:22:15,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 2999 transitions. [2021-08-12 21:22:15,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:22:15,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 2999 transitions. [2021-08-12 21:22:15,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 99.96666666666667) internal successors, (2999), 30 states have internal predecessors, (2999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:15,451 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 170.0) internal successors, (5270), 31 states have internal predecessors, (5270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:15,452 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 170.0) internal successors, (5270), 31 states have internal predecessors, (5270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:15,452 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 249 predicate places. [2021-08-12 21:22:15,453 INFO L482 AbstractCegarLoop]: Abstraction has has 405 places, 4268 transitions, 106367 flow [2021-08-12 21:22:15,453 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 91.85714285714286) internal successors, (1929), 21 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:15,453 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:22:15,453 INFO L266 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, 1, 1, 1, 1, 1, 1] [2021-08-12 21:22:15,453 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-12 21:22:15,453 INFO L430 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]=== [2021-08-12 21:22:15,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:22:15,454 INFO L82 PathProgramCache]: Analyzing trace with hash 427439475, now seen corresponding path program 7 times [2021-08-12 21:22:15,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:22:15,454 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018618910] [2021-08-12 21:22:15,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:22:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:22:15,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:15,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:22:15,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:15,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:22:15,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:15,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:22:15,597 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-12 21:22:15,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:22:15,608 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:22:15,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:22:15,619 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:22:15,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:22:15,641 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:22:15,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:22:15,660 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:22:15,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:22:15,679 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-08-12 21:22:15,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:22:15,704 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:22:15,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:22:15,725 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-08-12 21:22:15,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 21:22:15,748 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:22:15,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:22:15,761 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:22:15,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:22:15,775 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-08-12 21:22:15,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 21:22:15,794 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-08-12 21:22:15,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-12 21:22:15,812 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:22:15,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:22:15,830 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:22:15,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:22:15,832 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:22:15,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:22:15,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:15,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:22:15,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:15,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:22:15,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:15,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:22:15,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:15,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:22:15,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:22:15,893 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:22:15,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018618910] [2021-08-12 21:22:15,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018618910] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:22:15,895 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:22:15,895 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-12 21:22:15,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793344862] [2021-08-12 21:22:15,896 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 21:22:15,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:22:15,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 21:22:15,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-08-12 21:22:15,898 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 170 [2021-08-12 21:22:15,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 4268 transitions, 106367 flow. Second operand has 19 states, 19 states have (on average 71.36842105263158) internal successors, (1356), 19 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:15,899 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:22:15,899 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 170 [2021-08-12 21:22:15,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:22:56,336 INFO L129 PetriNetUnfolder]: 12145/28396 cut-off events. [2021-08-12 21:22:56,336 INFO L130 PetriNetUnfolder]: For 362370/401966 co-relation queries the response was YES. [2021-08-12 21:22:56,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288091 conditions, 28396 events. 12145/28396 cut-off events. For 362370/401966 co-relation queries the response was YES. Maximal size of possible extension queue 1002. Compared 300213 event pairs, 641 based on Foata normal form. 548/28762 useless extension candidates. Maximal degree in co-relation 240609. Up to 16642 conditions per place. [2021-08-12 21:22:56,591 INFO L132 encePairwiseOnDemand]: 139/170 looper letters, 3443 selfloop transitions, 466 changer transitions 298/4375 dead transitions. [2021-08-12 21:22:56,591 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 4375 transitions, 116629 flow [2021-08-12 21:22:56,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 21:22:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-12 21:22:56,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1656 transitions. [2021-08-12 21:22:56,594 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4638655462184874 [2021-08-12 21:22:56,594 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1656 transitions. [2021-08-12 21:22:56,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1656 transitions. [2021-08-12 21:22:56,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:22:56,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1656 transitions. [2021-08-12 21:22:56,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 78.85714285714286) internal successors, (1656), 21 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:56,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 170.0) internal successors, (3740), 22 states have internal predecessors, (3740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:56,601 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 170.0) internal successors, (3740), 22 states have internal predecessors, (3740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:56,601 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 269 predicate places. [2021-08-12 21:22:56,601 INFO L482 AbstractCegarLoop]: Abstraction has has 425 places, 4375 transitions, 116629 flow [2021-08-12 21:22:56,601 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 71.36842105263158) internal successors, (1356), 19 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:56,601 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:22:56,601 INFO L266 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, 1, 1, 1, 1, 1, 1] [2021-08-12 21:22:56,602 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-12 21:22:56,602 INFO L430 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]=== [2021-08-12 21:22:56,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:22:56,602 INFO L82 PathProgramCache]: Analyzing trace with hash 2030992917, now seen corresponding path program 8 times [2021-08-12 21:22:56,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:22:56,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691402007] [2021-08-12 21:22:56,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:22:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:22:56,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:56,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:22:56,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:56,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:22:56,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:56,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:22:56,743 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-12 21:22:56,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:22:56,753 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:22:56,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:22:56,765 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:22:56,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:22:56,782 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:22:56,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:22:56,802 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:22:56,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:22:56,821 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-12 21:22:56,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:22:56,840 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:22:56,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:22:56,860 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-08-12 21:22:56,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 21:22:56,882 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:22:56,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:22:56,901 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:22:56,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:22:56,915 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-08-12 21:22:56,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 21:22:56,935 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-08-12 21:22:56,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-12 21:22:56,954 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:22:56,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:22:56,972 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:22:56,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:22:56,973 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:22:56,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:22:56,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:56,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:22:57,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:57,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:22:57,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:57,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:22:57,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:22:57,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:22:57,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:22:57,035 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:22:57,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691402007] [2021-08-12 21:22:57,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691402007] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:22:57,035 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:22:57,035 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-12 21:22:57,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660276557] [2021-08-12 21:22:57,036 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 21:22:57,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:22:57,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 21:22:57,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2021-08-12 21:22:57,038 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 170 [2021-08-12 21:22:57,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 4375 transitions, 116629 flow. Second operand has 19 states, 19 states have (on average 71.36842105263158) internal successors, (1356), 19 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:22:57,039 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:22:57,040 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 170 [2021-08-12 21:22:57,040 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:23:37,281 INFO L129 PetriNetUnfolder]: 12147/28420 cut-off events. [2021-08-12 21:23:37,281 INFO L130 PetriNetUnfolder]: For 410832/450940 co-relation queries the response was YES. [2021-08-12 21:23:37,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 309602 conditions, 28420 events. 12147/28420 cut-off events. For 410832/450940 co-relation queries the response was YES. Maximal size of possible extension queue 999. Compared 300455 event pairs, 635 based on Foata normal form. 380/28622 useless extension candidates. Maximal degree in co-relation 258639. Up to 16645 conditions per place. [2021-08-12 21:23:37,537 INFO L132 encePairwiseOnDemand]: 141/170 looper letters, 3693 selfloop transitions, 322 changer transitions 324/4507 dead transitions. [2021-08-12 21:23:37,538 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 4507 transitions, 127759 flow [2021-08-12 21:23:37,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 21:23:37,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-12 21:23:37,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1659 transitions. [2021-08-12 21:23:37,540 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4647058823529412 [2021-08-12 21:23:37,540 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1659 transitions. [2021-08-12 21:23:37,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1659 transitions. [2021-08-12 21:23:37,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:23:37,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1659 transitions. [2021-08-12 21:23:37,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 79.0) internal successors, (1659), 21 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:23:37,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 170.0) internal successors, (3740), 22 states have internal predecessors, (3740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:23:37,546 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 170.0) internal successors, (3740), 22 states have internal predecessors, (3740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:23:37,547 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 289 predicate places. [2021-08-12 21:23:37,547 INFO L482 AbstractCegarLoop]: Abstraction has has 445 places, 4507 transitions, 127759 flow [2021-08-12 21:23:37,547 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 71.36842105263158) internal successors, (1356), 19 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:23:37,547 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:23:37,547 INFO L266 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, 1, 1, 1, 1, 1, 1] [2021-08-12 21:23:37,547 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-12 21:23:37,547 INFO L430 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]=== [2021-08-12 21:23:37,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:23:37,548 INFO L82 PathProgramCache]: Analyzing trace with hash 92691351, now seen corresponding path program 9 times [2021-08-12 21:23:37,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:23:37,548 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817310028] [2021-08-12 21:23:37,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:23:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:23:37,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:23:37,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:23:37,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:23:37,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:23:37,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:23:37,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:23:37,684 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-12 21:23:37,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:23:37,694 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:23:37,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:23:37,705 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:23:37,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:23:37,721 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:23:37,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:23:37,738 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-12 21:23:37,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:23:37,754 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-12 21:23:37,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:23:37,771 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:23:37,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:23:37,790 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-08-12 21:23:37,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 21:23:37,812 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:23:37,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:23:37,826 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:23:37,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:23:37,841 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-08-12 21:23:37,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 21:23:37,862 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-08-12 21:23:37,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-12 21:23:37,884 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:23:37,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:23:37,904 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:23:37,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:23:37,905 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:23:37,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:23:37,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:23:37,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:23:37,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:23:37,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:23:37,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:23:37,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:23:37,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:23:37,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:23:37,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:23:37,973 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:23:37,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817310028] [2021-08-12 21:23:37,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817310028] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:23:37,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:23:37,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-12 21:23:37,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150321429] [2021-08-12 21:23:37,974 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 21:23:37,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:23:37,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 21:23:37,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2021-08-12 21:23:37,976 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 170 [2021-08-12 21:23:37,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 4507 transitions, 127759 flow. Second operand has 19 states, 19 states have (on average 71.36842105263158) internal successors, (1356), 19 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:23:37,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:23:37,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 170 [2021-08-12 21:23:37,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:24:27,443 INFO L129 PetriNetUnfolder]: 13054/30920 cut-off events. [2021-08-12 21:24:27,444 INFO L130 PetriNetUnfolder]: For 510104/562687 co-relation queries the response was YES. [2021-08-12 21:24:27,537 INFO L84 FinitePrefix]: Finished finitePrefix Result has 359323 conditions, 30920 events. 13054/30920 cut-off events. For 510104/562687 co-relation queries the response was YES. Maximal size of possible extension queue 1115. Compared 333686 event pairs, 715 based on Foata normal form. 236/30962 useless extension candidates. Maximal degree in co-relation 297514. Up to 18391 conditions per place. [2021-08-12 21:24:27,729 INFO L132 encePairwiseOnDemand]: 141/170 looper letters, 4056 selfloop transitions, 346 changer transitions 378/4948 dead transitions. [2021-08-12 21:24:27,730 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 4948 transitions, 149951 flow [2021-08-12 21:24:27,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 21:24:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-12 21:24:27,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1652 transitions. [2021-08-12 21:24:27,732 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4627450980392157 [2021-08-12 21:24:27,732 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1652 transitions. [2021-08-12 21:24:27,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1652 transitions. [2021-08-12 21:24:27,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:24:27,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1652 transitions. [2021-08-12 21:24:27,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 78.66666666666667) internal successors, (1652), 21 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:24:27,738 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 170.0) internal successors, (3740), 22 states have internal predecessors, (3740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:24:27,739 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 170.0) internal successors, (3740), 22 states have internal predecessors, (3740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:24:27,739 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 309 predicate places. [2021-08-12 21:24:27,739 INFO L482 AbstractCegarLoop]: Abstraction has has 465 places, 4948 transitions, 149951 flow [2021-08-12 21:24:27,739 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 71.36842105263158) internal successors, (1356), 19 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:24:27,739 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:24:27,739 INFO L266 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, 1, 1, 1, 1, 1, 1] [2021-08-12 21:24:27,740 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-12 21:24:27,740 INFO L430 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]=== [2021-08-12 21:24:27,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:24:27,740 INFO L82 PathProgramCache]: Analyzing trace with hash 624880423, now seen corresponding path program 5 times [2021-08-12 21:24:27,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:24:27,740 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000744754] [2021-08-12 21:24:27,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:24:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:24:27,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:27,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:24:27,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:27,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:24:27,870 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-08-12 21:24:27,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 21:24:27,876 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-08-12 21:24:27,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:24:27,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:27,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:24:27,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:27,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 21:24:27,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:27,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:24:27,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:27,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:24:27,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:27,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:24:27,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:27,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:24:27,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:27,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 21:24:27,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:27,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 21:24:28,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:28,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-12 21:24:28,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:28,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 21:24:28,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:28,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-12 21:24:28,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:28,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 21:24:28,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:28,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 21:24:28,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:28,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-12 21:24:28,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:28,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 21:24:28,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:28,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-08-12 21:24:28,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:28,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-08-12 21:24:28,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:28,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-12 21:24:28,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:28,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 21:24:28,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:28,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 21:24:28,277 INFO L142 QuantifierPusher]: treesize reduction 7, result has 96.9 percent of original size [2021-08-12 21:24:28,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2021-08-12 21:24:28,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:24:28,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:24:28,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:24:28,340 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:24:28,341 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000744754] [2021-08-12 21:24:28,341 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000744754] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:24:28,341 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:24:28,341 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-08-12 21:24:28,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025827862] [2021-08-12 21:24:28,341 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-08-12 21:24:28,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:24:28,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-12 21:24:28,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2021-08-12 21:24:28,343 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 170 [2021-08-12 21:24:28,344 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 4948 transitions, 149951 flow. Second operand has 21 states, 21 states have (on average 91.85714285714286) internal successors, (1929), 21 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:24:28,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:24:28,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 170 [2021-08-12 21:24:28,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:25:33,251 INFO L129 PetriNetUnfolder]: 13569/32223 cut-off events. [2021-08-12 21:25:33,252 INFO L130 PetriNetUnfolder]: For 597922/683227 co-relation queries the response was YES. [2021-08-12 21:25:33,341 INFO L84 FinitePrefix]: Finished finitePrefix Result has 399505 conditions, 32223 events. 13569/32223 cut-off events. For 597922/683227 co-relation queries the response was YES. Maximal size of possible extension queue 1155. Compared 350296 event pairs, 863 based on Foata normal form. 309/32329 useless extension candidates. Maximal degree in co-relation 329900. Up to 19371 conditions per place. [2021-08-12 21:25:33,543 INFO L132 encePairwiseOnDemand]: 143/170 looper letters, 4027 selfloop transitions, 632 changer transitions 396/5309 dead transitions. [2021-08-12 21:25:33,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 5309 transitions, 170749 flow [2021-08-12 21:25:33,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-12 21:25:33,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-08-12 21:25:33,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 2487 transitions. [2021-08-12 21:25:33,546 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5851764705882353 [2021-08-12 21:25:33,546 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 2487 transitions. [2021-08-12 21:25:33,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 2487 transitions. [2021-08-12 21:25:33,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:25:33,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 2487 transitions. [2021-08-12 21:25:33,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 99.48) internal successors, (2487), 25 states have internal predecessors, (2487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:25:33,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 170.0) internal successors, (4420), 26 states have internal predecessors, (4420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:25:33,554 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 170.0) internal successors, (4420), 26 states have internal predecessors, (4420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:25:33,554 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 333 predicate places. [2021-08-12 21:25:33,555 INFO L482 AbstractCegarLoop]: Abstraction has has 489 places, 5309 transitions, 170749 flow [2021-08-12 21:25:33,555 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 91.85714285714286) internal successors, (1929), 21 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:25:33,555 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:25:33,555 INFO L266 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, 1, 1, 1, 1, 1, 1] [2021-08-12 21:25:33,555 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-12 21:25:33,555 INFO L430 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]=== [2021-08-12 21:25:33,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:25:33,556 INFO L82 PathProgramCache]: Analyzing trace with hash -861088489, now seen corresponding path program 10 times [2021-08-12 21:25:33,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:25:33,556 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886517526] [2021-08-12 21:25:33,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:25:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:25:33,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:25:33,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:25:33,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:25:33,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:25:33,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:25:33,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:25:33,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:25:33,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:25:33,694 INFO L142 QuantifierPusher]: treesize reduction 22, result has 47.6 percent of original size [2021-08-12 21:25:33,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-12 21:25:33,713 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:25:33,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:25:33,725 INFO L142 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size [2021-08-12 21:25:33,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:25:33,746 INFO L142 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size [2021-08-12 21:25:33,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:25:33,764 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-08-12 21:25:33,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:25:33,785 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-08-12 21:25:33,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:25:33,808 INFO L142 QuantifierPusher]: treesize reduction 18, result has 64.7 percent of original size [2021-08-12 21:25:33,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-12 21:25:33,836 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size [2021-08-12 21:25:33,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-08-12 21:25:33,853 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size [2021-08-12 21:25:33,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-08-12 21:25:33,870 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.8 percent of original size [2021-08-12 21:25:33,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-12 21:25:33,892 INFO L142 QuantifierPusher]: treesize reduction 11, result has 65.6 percent of original size [2021-08-12 21:25:33,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 21:25:33,912 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-08-12 21:25:33,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-12 21:25:33,933 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:25:33,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:25:33,947 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-08-12 21:25:33,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:25:33,948 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:25:33,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:25:33,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:25:33,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:25:33,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:25:33,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:25:33,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:25:33,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:25:33,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:25:33,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:25:33,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:25:33,998 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:25:33,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886517526] [2021-08-12 21:25:33,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886517526] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:25:33,998 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:25:33,998 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-12 21:25:33,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895975970] [2021-08-12 21:25:33,999 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 21:25:33,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:25:33,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 21:25:34,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2021-08-12 21:25:34,001 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 170 [2021-08-12 21:25:34,001 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 5309 transitions, 170749 flow. Second operand has 19 states, 19 states have (on average 71.36842105263158) internal successors, (1356), 19 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:25:34,002 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:25:34,002 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 170 [2021-08-12 21:25:34,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:27:05,826 INFO L129 PetriNetUnfolder]: 17599/41691 cut-off events. [2021-08-12 21:27:05,826 INFO L130 PetriNetUnfolder]: For 853466/975115 co-relation queries the response was YES. [2021-08-12 21:27:05,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 548451 conditions, 41691 events. 17599/41691 cut-off events. For 853466/975115 co-relation queries the response was YES. Maximal size of possible extension queue 1524. Compared 475166 event pairs, 1277 based on Foata normal form. 478/41928 useless extension candidates. Maximal degree in co-relation 454057. Up to 26290 conditions per place. [2021-08-12 21:27:06,344 INFO L132 encePairwiseOnDemand]: 139/170 looper letters, 5539 selfloop transitions, 480 changer transitions 420/6618 dead transitions. [2021-08-12 21:27:06,345 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 6618 transitions, 228035 flow [2021-08-12 21:27:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-12 21:27:06,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-08-12 21:27:06,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1589 transitions. [2021-08-12 21:27:06,351 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4673529411764706 [2021-08-12 21:27:06,352 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1589 transitions. [2021-08-12 21:27:06,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1589 transitions. [2021-08-12 21:27:06,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:27:06,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1589 transitions. [2021-08-12 21:27:06,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 79.45) internal successors, (1589), 20 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:27:06,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 170.0) internal successors, (3570), 21 states have internal predecessors, (3570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:27:06,365 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 170.0) internal successors, (3570), 21 states have internal predecessors, (3570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:27:06,365 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 352 predicate places. [2021-08-12 21:27:06,366 INFO L482 AbstractCegarLoop]: Abstraction has has 508 places, 6618 transitions, 228035 flow [2021-08-12 21:27:06,366 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 71.36842105263158) internal successors, (1356), 19 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:27:06,366 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:27:06,366 INFO L266 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, 1, 1, 1, 1, 1, 1] [2021-08-12 21:27:06,366 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-12 21:27:06,366 INFO L430 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]=== [2021-08-12 21:27:06,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:27:06,368 INFO L82 PathProgramCache]: Analyzing trace with hash 2087564597, now seen corresponding path program 11 times [2021-08-12 21:27:06,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:27:06,368 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612592797] [2021-08-12 21:27:06,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:27:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:27:06,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:06,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:27:06,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:06,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:27:06,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:06,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:27:06,511 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-12 21:27:06,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:27:06,520 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:27:06,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:27:06,537 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:27:06,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:27:06,553 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:27:06,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:27:06,571 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:27:06,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:27:06,591 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-08-12 21:27:06,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 21:27:06,613 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:27:06,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:27:06,634 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-08-12 21:27:06,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 21:27:06,659 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:27:06,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:27:06,674 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:27:06,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:27:06,689 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-08-12 21:27:06,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 21:27:06,709 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-08-12 21:27:06,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-12 21:27:06,727 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:27:06,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:27:06,745 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:27:06,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:27:06,746 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:27:06,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:27:06,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:06,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:27:06,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:06,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:27:06,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:06,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:27:06,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:27:06,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:27:06,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:27:06,799 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:27:06,799 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612592797] [2021-08-12 21:27:06,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612592797] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:27:06,799 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:27:06,799 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-12 21:27:06,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362262336] [2021-08-12 21:27:06,799 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 21:27:06,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:27:06,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 21:27:06,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2021-08-12 21:27:06,801 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 170 [2021-08-12 21:27:06,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 6618 transitions, 228035 flow. Second operand has 19 states, 19 states have (on average 71.36842105263158) internal successors, (1356), 19 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:27:06,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:27:06,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 170 [2021-08-12 21:27:06,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:29:29,644 INFO L129 PetriNetUnfolder]: 17598/41734 cut-off events. [2021-08-12 21:29:29,644 INFO L130 PetriNetUnfolder]: For 941908/1045833 co-relation queries the response was YES. [2021-08-12 21:29:29,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 579806 conditions, 41734 events. 17598/41734 cut-off events. For 941908/1045833 co-relation queries the response was YES. Maximal size of possible extension queue 1524. Compared 475919 event pairs, 1276 based on Foata normal form. 554/42046 useless extension candidates. Maximal degree in co-relation 480143. Up to 26290 conditions per place. [2021-08-12 21:29:30,049 INFO L132 encePairwiseOnDemand]: 139/170 looper letters, 5580 selfloop transitions, 494 changer transitions 434/6687 dead transitions. [2021-08-12 21:29:30,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 6687 transitions, 242993 flow [2021-08-12 21:29:30,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 21:29:30,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-12 21:29:30,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1668 transitions. [2021-08-12 21:29:30,052 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4672268907563025 [2021-08-12 21:29:30,052 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1668 transitions. [2021-08-12 21:29:30,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1668 transitions. [2021-08-12 21:29:30,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:29:30,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1668 transitions. [2021-08-12 21:29:30,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 79.42857142857143) internal successors, (1668), 21 states have internal predecessors, (1668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:29:30,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 170.0) internal successors, (3740), 22 states have internal predecessors, (3740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:29:30,057 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 170.0) internal successors, (3740), 22 states have internal predecessors, (3740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:29:30,057 INFO L348 CegarLoopForPetriNet]: 156 programPoint places, 372 predicate places. [2021-08-12 21:29:30,057 INFO L482 AbstractCegarLoop]: Abstraction has has 528 places, 6687 transitions, 242993 flow [2021-08-12 21:29:30,057 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 71.36842105263158) internal successors, (1356), 19 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:29:30,058 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:29:30,058 INFO L266 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, 1, 1, 1, 1, 1, 1] [2021-08-12 21:29:30,058 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-12 21:29:30,058 INFO L430 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]=== [2021-08-12 21:29:30,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:29:30,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1604633205, now seen corresponding path program 12 times [2021-08-12 21:29:30,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:29:30,058 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276302010] [2021-08-12 21:29:30,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:29:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:29:30,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:29:30,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:29:30,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:29:30,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:29:30,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:29:30,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:29:30,190 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-08-12 21:29:30,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:29:30,199 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:29:30,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:29:30,211 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:29:30,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:29:30,227 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-12 21:29:30,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:29:30,245 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-08-12 21:29:30,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 21:29:30,264 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-08-12 21:29:30,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 21:29:30,283 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-08-12 21:29:30,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:29:30,304 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-08-12 21:29:30,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 21:29:30,329 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:29:30,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:29:30,343 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-08-12 21:29:30,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:29:30,359 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-08-12 21:29:30,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 21:29:30,379 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-08-12 21:29:30,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-12 21:29:30,398 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:29:30,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:29:30,417 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-12 21:29:30,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 21:29:30,418 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-12 21:29:30,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 21:29:30,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:29:30,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:29:30,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:29:30,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:29:30,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:29:30,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:29:30,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:29:30,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:29:30,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:29:30,478 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:29:30,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276302010] [2021-08-12 21:29:30,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276302010] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:29:30,479 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:29:30,479 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-12 21:29:30,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860076577] [2021-08-12 21:29:30,479 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 21:29:30,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:29:30,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 21:29:30,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2021-08-12 21:29:30,481 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 170 [2021-08-12 21:29:30,482 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 6687 transitions, 242993 flow. Second operand has 19 states, 19 states have (on average 71.36842105263158) internal successors, (1356), 19 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:29:30,482 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:29:30,482 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 170 [2021-08-12 21:29:30,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-08-12 21:29:55,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-12 21:29:55,014 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-12 21:29:55,014 WARN L547 AbstractCegarLoop]: Verification canceled [2021-08-12 21:29:55,018 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-12 21:29:55,020 WARN L188 ceAbstractionStarter]: Timeout [2021-08-12 21:29:55,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.08 09:29:55 BasicIcfg [2021-08-12 21:29:55,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-12 21:29:55,021 INFO L168 Benchmark]: Toolchain (without parser) took 538653.59 ms. Allocated memory was 197.1 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 158.8 MB in the beginning and 834.5 MB in the end (delta: -675.6 MB). Peak memory consumption was 2.5 GB. Max. memory is 8.0 GB. [2021-08-12 21:29:55,021 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 197.1 MB. Free memory is still 178.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 21:29:55,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1310.57 ms. Allocated memory is still 197.1 MB. Free memory was 158.5 MB in the beginning and 145.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 88.0 MB. Max. memory is 8.0 GB. [2021-08-12 21:29:55,021 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.81 ms. Allocated memory is still 197.1 MB. Free memory was 145.5 MB in the beginning and 142.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-12 21:29:55,021 INFO L168 Benchmark]: Boogie Preprocessor took 36.65 ms. Allocated memory is still 197.1 MB. Free memory was 142.3 MB in the beginning and 139.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-12 21:29:55,021 INFO L168 Benchmark]: RCFGBuilder took 759.08 ms. Allocated memory is still 197.1 MB. Free memory was 139.7 MB in the beginning and 91.5 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 8.0 GB. [2021-08-12 21:29:55,022 INFO L168 Benchmark]: TraceAbstraction took 536459.28 ms. Allocated memory was 197.1 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 90.9 MB in the beginning and 834.5 MB in the end (delta: -743.5 MB). Peak memory consumption was 2.4 GB. Max. memory is 8.0 GB. [2021-08-12 21:29:55,022 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 197.1 MB. Free memory is still 178.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1310.57 ms. Allocated memory is still 197.1 MB. Free memory was 158.5 MB in the beginning and 145.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 88.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 80.81 ms. Allocated memory is still 197.1 MB. Free memory was 145.5 MB in the beginning and 142.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.65 ms. Allocated memory is still 197.1 MB. Free memory was 142.3 MB in the beginning and 139.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 759.08 ms. Allocated memory is still 197.1 MB. Free memory was 139.7 MB in the beginning and 91.5 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 536459.28 ms. Allocated memory was 197.1 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 90.9 MB in the beginning and 834.5 MB in the end (delta: -743.5 MB). Peak memory consumption was 2.4 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (19states, 68/170 universal loopers) in iteration 22,while PetriNetUnfolder was constructing finite prefix that currently has 103001 conditions, 7292 events (3498/7291 cut-off events. For 166962/283374 co-relation queries the response was YES. Maximal size of possible extension queue 1116. Compared 72914 event pairs, 19 based on Foata normal form. 428/8729 useless extension candidates. Maximal degree in co-relation 102040. Up to 4622 conditions per place.). - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (19states, 68/170 universal loopers) in iteration 22,while PetriNetUnfolder was constructing finite prefix that currently has 103001 conditions, 7292 events (3498/7291 cut-off events. For 166962/283374 co-relation queries the response was YES. Maximal size of possible extension queue 1116. Compared 72914 event pairs, 19 based on Foata normal form. 428/8729 useless extension candidates. Maximal degree in co-relation 102040. Up to 4622 conditions per place.). - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (19states, 68/170 universal loopers) in iteration 22,while PetriNetUnfolder was constructing finite prefix that currently has 103001 conditions, 7292 events (3498/7291 cut-off events. For 166962/283374 co-relation queries the response was YES. Maximal size of possible extension queue 1116. Compared 72914 event pairs, 19 based on Foata normal form. 428/8729 useless extension candidates. Maximal degree in co-relation 102040. Up to 4622 conditions per place.). - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (19states, 68/170 universal loopers) in iteration 22,while PetriNetUnfolder was constructing finite prefix that currently has 103001 conditions, 7292 events (3498/7291 cut-off events. For 166962/283374 co-relation queries the response was YES. Maximal size of possible extension queue 1116. Compared 72914 event pairs, 19 based on Foata normal form. 428/8729 useless extension candidates. Maximal degree in co-relation 102040. Up to 4622 conditions per place.). - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (19states, 68/170 universal loopers) in iteration 22,while PetriNetUnfolder was constructing finite prefix that currently has 103001 conditions, 7292 events (3498/7291 cut-off events. For 166962/283374 co-relation queries the response was YES. Maximal size of possible extension queue 1116. Compared 72914 event pairs, 19 based on Foata normal form. 428/8729 useless extension candidates. Maximal degree in co-relation 102040. Up to 4622 conditions per place.). - TimeoutResultAtElement [Line: 1693]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (19states, 68/170 universal loopers) in iteration 22,while PetriNetUnfolder was constructing finite prefix that currently has 103001 conditions, 7292 events (3498/7291 cut-off events. For 166962/283374 co-relation queries the response was YES. Maximal size of possible extension queue 1116. Compared 72914 event pairs, 19 based on Foata normal form. 428/8729 useless extension candidates. Maximal degree in co-relation 102040. Up to 4622 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 176 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 6.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 536330.5ms, OverallIterations: 22, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 526095.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 102.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1699 SDtfs, 8687 SDslu, 10192 SDs, 0 SdLazy, 16795 SolverSat, 1204 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10510.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 730 GetRequests, 64 SyntacticMatches, 43 SemanticMatches, 623 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3473 ImplicationChecksByTransitivity, 19403.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=242993occurred in iteration=21, InterpolantAutomatonStates: 413, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 74.5ms SsaConstructionTime, 609.3ms SatisfiabilityAnalysisTime, 8925.4ms InterpolantComputationTime, 2205 NumberOfCodeBlocks, 2205 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2183 ConstructedInterpolants, 0 QuantifiedInterpolants, 31152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown