/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 01:59:38,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 01:59:38,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 01:59:38,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 01:59:38,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 01:59:38,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 01:59:38,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 01:59:38,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 01:59:38,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 01:59:38,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 01:59:38,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 01:59:38,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 01:59:38,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 01:59:38,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 01:59:38,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 01:59:38,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 01:59:38,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 01:59:38,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 01:59:38,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 01:59:38,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 01:59:38,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 01:59:38,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 01:59:38,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 01:59:38,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 01:59:38,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 01:59:38,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 01:59:38,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 01:59:38,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 01:59:38,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 01:59:38,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 01:59:38,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 01:59:38,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 01:59:38,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 01:59:38,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 01:59:38,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 01:59:38,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 01:59:38,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 01:59:38,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 01:59:38,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 01:59:38,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 01:59:38,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 01:59:38,729 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-SemanticLbe.epf [2020-10-16 01:59:38,753 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 01:59:38,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 01:59:38,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 01:59:38,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 01:59:38,755 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 01:59:38,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 01:59:38,755 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 01:59:38,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 01:59:38,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 01:59:38,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 01:59:38,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 01:59:38,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 01:59:38,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 01:59:38,757 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 01:59:38,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 01:59:38,757 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 01:59:38,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 01:59:38,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 01:59:38,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 01:59:38,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 01:59:38,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 01:59:38,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 01:59:38,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 01:59:38,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 01:59:38,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 01:59:38,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 01:59:38,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 01:59:38,759 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 01:59:38,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 01:59:39,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 01:59:39,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 01:59:39,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 01:59:39,128 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 01:59:39,128 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 01:59:39,129 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2020-10-16 01:59:39,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/212a38fa3/d9f5ec90c8814c37961a1f620f5bbbad/FLAG1f2c8e1ae [2020-10-16 01:59:39,792 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 01:59:39,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2020-10-16 01:59:39,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/212a38fa3/d9f5ec90c8814c37961a1f620f5bbbad/FLAG1f2c8e1ae [2020-10-16 01:59:40,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/212a38fa3/d9f5ec90c8814c37961a1f620f5bbbad [2020-10-16 01:59:40,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 01:59:40,023 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 01:59:40,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 01:59:40,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 01:59:40,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 01:59:40,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:59:40" (1/1) ... [2020-10-16 01:59:40,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a309ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:40, skipping insertion in model container [2020-10-16 01:59:40,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:59:40" (1/1) ... [2020-10-16 01:59:40,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 01:59:40,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 01:59:41,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:59:41,092 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 01:59:41,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:59:41,552 INFO L208 MainTranslator]: Completed translation [2020-10-16 01:59:41,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:41 WrapperNode [2020-10-16 01:59:41,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 01:59:41,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 01:59:41,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 01:59:41,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 01:59:41,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:41" (1/1) ... [2020-10-16 01:59:41,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:41" (1/1) ... [2020-10-16 01:59:41,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 01:59:41,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 01:59:41,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 01:59:41,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 01:59:41,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:41" (1/1) ... [2020-10-16 01:59:41,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:41" (1/1) ... [2020-10-16 01:59:41,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:41" (1/1) ... [2020-10-16 01:59:41,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:41" (1/1) ... [2020-10-16 01:59:41,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:41" (1/1) ... [2020-10-16 01:59:41,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:41" (1/1) ... [2020-10-16 01:59:41,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:41" (1/1) ... [2020-10-16 01:59:41,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 01:59:41,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 01:59:41,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 01:59:41,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 01:59:41,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:41" (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 [2020-10-16 01:59:41,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 01:59:41,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 01:59:41,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-16 01:59:41,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 01:59:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 01:59:41,784 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-16 01:59:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-16 01:59:41,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 01:59:41,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 01:59:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 01:59:41,787 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 01:59:42,391 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 01:59:42,392 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-16 01:59:42,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:59:42 BoogieIcfgContainer [2020-10-16 01:59:42,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 01:59:42,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 01:59:42,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 01:59:42,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 01:59:42,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:59:40" (1/3) ... [2020-10-16 01:59:42,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7971c9c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:59:42, skipping insertion in model container [2020-10-16 01:59:42,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:41" (2/3) ... [2020-10-16 01:59:42,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7971c9c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:59:42, skipping insertion in model container [2020-10-16 01:59:42,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:59:42" (3/3) ... [2020-10-16 01:59:42,403 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2020-10-16 01:59:42,412 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 01:59:42,419 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-16 01:59:42,420 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 01:59:42,450 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,451 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,451 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,451 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,452 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,452 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,452 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,452 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,452 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,452 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,453 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,453 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,453 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,453 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,453 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,454 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,454 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,454 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,454 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,454 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,455 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,455 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,455 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,455 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,455 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,456 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,456 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,456 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,456 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,457 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,457 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,457 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,457 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,458 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,458 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,458 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,458 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,458 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,459 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,459 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,459 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,459 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,459 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,460 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,460 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,460 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,460 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,460 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,461 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,461 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,461 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,461 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,462 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,462 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,462 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,462 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,463 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,463 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,466 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,467 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,467 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,467 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,467 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,467 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,468 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,468 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,468 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,468 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,468 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,476 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,476 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,476 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,477 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,477 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,477 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,477 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,478 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,478 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,478 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,478 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:42,508 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 01:59:42,530 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 01:59:42,531 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 01:59:42,531 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 01:59:42,531 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 01:59:42,531 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 01:59:42,531 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 01:59:42,531 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 01:59:42,531 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 01:59:42,548 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 129 places, 131 transitions, 284 flow [2020-10-16 01:59:42,617 INFO L129 PetriNetUnfolder]: 9/169 cut-off events. [2020-10-16 01:59:42,617 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 01:59:42,623 INFO L80 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 169 events. 9/169 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 347 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 86. Up to 4 conditions per place. [2020-10-16 01:59:42,623 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 131 transitions, 284 flow [2020-10-16 01:59:42,631 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 120 transitions, 258 flow [2020-10-16 01:59:42,633 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 01:59:42,636 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 120 transitions, 258 flow [2020-10-16 01:59:42,639 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 120 transitions, 258 flow [2020-10-16 01:59:42,640 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 120 places, 120 transitions, 258 flow [2020-10-16 01:59:42,673 INFO L129 PetriNetUnfolder]: 6/152 cut-off events. [2020-10-16 01:59:42,674 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 01:59:42,676 INFO L80 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 152 events. 6/152 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 290 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 77. Up to 4 conditions per place. [2020-10-16 01:59:42,682 INFO L117 LiptonReduction]: Number of co-enabled transitions 1848 [2020-10-16 01:59:43,343 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:43,369 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:43,375 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:43,394 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:43,396 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:43,397 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-10-16 01:59:43,427 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:43,461 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:43,470 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:43,498 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:43,499 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:43,500 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:100 [2020-10-16 01:59:43,515 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:43,539 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:43,544 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:43,566 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:43,568 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:43,569 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-10-16 01:59:45,656 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:45,688 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:45,696 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:45,745 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:45,747 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:45,748 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 01:59:45,761 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:45,789 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:45,794 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:45,819 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:45,821 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:45,821 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:48,615 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:48,634 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:48,640 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:48,666 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:48,668 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:48,668 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 01:59:48,686 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:48,715 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:48,719 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:48,738 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:48,739 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:48,740 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:50,756 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:50,790 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:50,795 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:50,814 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:50,815 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:50,816 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:50,829 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:50,854 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:50,859 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:50,879 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:50,880 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:50,881 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 01:59:52,945 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:52,967 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:52,971 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:52,988 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:52,989 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:52,989 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 01:59:53,013 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:53,034 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:53,039 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:53,057 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:53,058 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:53,059 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 01:59:55,115 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:55,162 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:55,170 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:55,221 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:55,223 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:55,223 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:108 [2020-10-16 01:59:55,251 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:55,303 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:55,311 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:55,357 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:55,358 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:55,358 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:108, output treesize:110 [2020-10-16 01:59:57,389 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:57,420 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:57,425 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:57,451 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:57,452 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:57,453 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 01:59:57,471 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:57,509 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:57,513 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:57,544 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:57,545 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 01:59:57,546 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 02:00:00,003 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:00,025 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:00,028 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:00,051 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:00,052 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:00,052 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:102, output treesize:74 [2020-10-16 02:00:00,087 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:00,113 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:00,118 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:00,152 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:00,153 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:00,154 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:00:00,165 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:00,194 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:00,199 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:00,227 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:00,228 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:00,228 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:00:02,241 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:02,272 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:02,275 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:02,305 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:02,306 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:02,307 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 02:00:02,317 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:02,349 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:02,353 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:02,378 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:02,379 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:02,379 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 02:00:04,431 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:04,452 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:04,457 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:04,477 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:04,478 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:04,478 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:00:04,493 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:04,514 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:04,518 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:04,533 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:04,534 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:04,534 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 02:00:06,880 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:06,914 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:06,919 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:06,953 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:06,955 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:06,955 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:126, output treesize:138 [2020-10-16 02:00:07,146 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:07,228 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:07,234 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:07,302 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:07,303 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:07,304 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:144, output treesize:146 [2020-10-16 02:00:07,321 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:07,399 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:07,404 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:07,469 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:07,470 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:07,471 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:146, output treesize:148 [2020-10-16 02:00:09,510 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:09,574 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:09,578 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:09,632 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:09,633 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:09,634 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:140, output treesize:142 [2020-10-16 02:00:09,653 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:09,706 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:09,711 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:09,767 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:09,768 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:09,768 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:140, output treesize:142 [2020-10-16 02:00:11,783 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:11,839 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:11,844 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:11,896 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:11,897 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:11,898 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:138 [2020-10-16 02:00:11,916 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:11,979 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:11,983 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:12,034 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:12,035 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:12,036 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:138 [2020-10-16 02:00:14,487 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:14,552 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:14,556 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:14,611 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:14,612 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:14,613 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:146, output treesize:148 [2020-10-16 02:00:14,630 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:14,686 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:14,690 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:14,741 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:14,741 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:14,742 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:144, output treesize:146 [2020-10-16 02:00:16,867 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:16,927 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:16,932 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:17,001 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:17,002 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:17,002 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:126 [2020-10-16 02:00:17,020 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:17,119 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:17,124 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:17,212 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:17,213 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:17,214 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:128 [2020-10-16 02:00:19,366 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:19,403 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:19,406 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:19,443 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:19,445 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:19,445 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:128, output treesize:130 [2020-10-16 02:00:19,462 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:19,496 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:19,500 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:19,532 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:19,532 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:19,533 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:128, output treesize:130 [2020-10-16 02:00:21,724 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-16 02:00:21,963 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-16 02:00:22,118 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-16 02:00:22,255 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-16 02:00:22,312 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:22,350 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:22,354 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:22,391 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:22,392 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:22,392 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:128, output treesize:130 [2020-10-16 02:00:22,404 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:22,443 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:22,447 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:22,482 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:22,483 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:22,484 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:128, output treesize:130 [2020-10-16 02:00:24,597 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-10-16 02:00:24,733 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:24,848 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-16 02:00:24,848 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:24,853 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:24,953 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:24,954 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:24,954 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:162, output treesize:164 [2020-10-16 02:00:24,967 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:25,082 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-16 02:00:25,083 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:25,087 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:25,179 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:25,180 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:25,180 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:162, output treesize:164 [2020-10-16 02:00:25,223 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:25,291 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:25,297 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:25,344 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:25,345 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:25,345 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:140, output treesize:142 [2020-10-16 02:00:25,357 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:25,422 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:25,426 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:25,480 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:25,481 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:00:25,482 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:140, output treesize:142 [2020-10-16 02:00:28,450 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 120 [2020-10-16 02:00:28,869 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-16 02:00:29,376 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 122 [2020-10-16 02:00:29,603 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-16 02:00:29,767 INFO L132 LiptonReduction]: Checked pairs total: 3328 [2020-10-16 02:00:29,767 INFO L134 LiptonReduction]: Total number of compositions: 118 [2020-10-16 02:00:29,770 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47139 [2020-10-16 02:00:29,777 INFO L129 PetriNetUnfolder]: 0/8 cut-off events. [2020-10-16 02:00:29,778 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:00:29,778 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:29,779 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2020-10-16 02:00:29,779 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:00:29,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:29,785 INFO L82 PathProgramCache]: Analyzing trace with hash 13787830, now seen corresponding path program 1 times [2020-10-16 02:00:29,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:29,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116201128] [2020-10-16 02:00:29,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:30,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:00:30,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116201128] [2020-10-16 02:00:30,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:30,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 02:00:30,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176879870] [2020-10-16 02:00:30,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:00:30,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:30,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:00:30,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:00:30,207 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 249 [2020-10-16 02:00:30,209 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 28 transitions, 74 flow. Second operand 3 states. [2020-10-16 02:00:30,209 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:30,209 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 249 [2020-10-16 02:00:30,211 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:30,406 INFO L129 PetriNetUnfolder]: 241/451 cut-off events. [2020-10-16 02:00:30,407 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2020-10-16 02:00:30,408 INFO L80 FinitePrefix]: Finished finitePrefix Result has 907 conditions, 451 events. 241/451 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2002 event pairs, 97 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 842. Up to 325 conditions per place. [2020-10-16 02:00:30,413 INFO L132 encePairwiseOnDemand]: 241/249 looper letters, 23 selfloop transitions, 7 changer transitions 0/37 dead transitions. [2020-10-16 02:00:30,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 37 transitions, 152 flow [2020-10-16 02:00:30,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:00:30,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:00:30,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions. [2020-10-16 02:00:30,434 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6358768406961178 [2020-10-16 02:00:30,434 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 475 transitions. [2020-10-16 02:00:30,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 475 transitions. [2020-10-16 02:00:30,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:30,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 475 transitions. [2020-10-16 02:00:30,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:00:30,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:00:30,459 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:00:30,461 INFO L185 Difference]: Start difference. First operand has 31 places, 28 transitions, 74 flow. Second operand 3 states and 475 transitions. [2020-10-16 02:00:30,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 37 transitions, 152 flow [2020-10-16 02:00:30,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 37 transitions, 140 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-16 02:00:30,469 INFO L241 Difference]: Finished difference. Result has 31 places, 33 transitions, 112 flow [2020-10-16 02:00:30,471 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=31, PETRI_TRANSITIONS=33} [2020-10-16 02:00:30,472 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 0 predicate places. [2020-10-16 02:00:30,472 INFO L481 AbstractCegarLoop]: Abstraction has has 31 places, 33 transitions, 112 flow [2020-10-16 02:00:30,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:00:30,473 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:30,473 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 02:00:30,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 02:00:30,473 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:00:30,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:30,474 INFO L82 PathProgramCache]: Analyzing trace with hash 427423673, now seen corresponding path program 1 times [2020-10-16 02:00:30,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:30,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194475401] [2020-10-16 02:00:30,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:30,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:00:30,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194475401] [2020-10-16 02:00:30,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:30,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 02:00:30,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977394115] [2020-10-16 02:00:30,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:00:30,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:30,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:00:30,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:00:30,580 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 249 [2020-10-16 02:00:30,581 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 33 transitions, 112 flow. Second operand 3 states. [2020-10-16 02:00:30,581 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:30,581 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 249 [2020-10-16 02:00:30,581 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:30,831 INFO L129 PetriNetUnfolder]: 290/543 cut-off events. [2020-10-16 02:00:30,832 INFO L130 PetriNetUnfolder]: For 257/262 co-relation queries the response was YES. [2020-10-16 02:00:30,834 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1516 conditions, 543 events. 290/543 cut-off events. For 257/262 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2631 event pairs, 125 based on Foata normal form. 17/552 useless extension candidates. Maximal degree in co-relation 265. Up to 421 conditions per place. [2020-10-16 02:00:30,838 INFO L132 encePairwiseOnDemand]: 242/249 looper letters, 27 selfloop transitions, 9 changer transitions 2/45 dead transitions. [2020-10-16 02:00:30,839 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 45 transitions, 242 flow [2020-10-16 02:00:30,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:00:30,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:00:30,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2020-10-16 02:00:30,842 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6345381526104418 [2020-10-16 02:00:30,842 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 474 transitions. [2020-10-16 02:00:30,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 474 transitions. [2020-10-16 02:00:30,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:30,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 474 transitions. [2020-10-16 02:00:30,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:00:30,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:00:30,847 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:00:30,847 INFO L185 Difference]: Start difference. First operand has 31 places, 33 transitions, 112 flow. Second operand 3 states and 474 transitions. [2020-10-16 02:00:30,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 45 transitions, 242 flow [2020-10-16 02:00:30,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 45 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 02:00:30,852 INFO L241 Difference]: Finished difference. Result has 32 places, 39 transitions, 169 flow [2020-10-16 02:00:30,852 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=169, PETRI_PLACES=32, PETRI_TRANSITIONS=39} [2020-10-16 02:00:30,853 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 1 predicate places. [2020-10-16 02:00:30,853 INFO L481 AbstractCegarLoop]: Abstraction has has 32 places, 39 transitions, 169 flow [2020-10-16 02:00:30,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:00:30,853 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:30,854 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:00:30,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 02:00:30,854 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:00:30,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:30,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1942787479, now seen corresponding path program 1 times [2020-10-16 02:00:30,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:30,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420971954] [2020-10-16 02:00:30,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:30,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:00:30,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420971954] [2020-10-16 02:00:30,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:30,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:00:30,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783976607] [2020-10-16 02:00:30,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:00:30,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:30,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:00:30,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:00:30,925 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 249 [2020-10-16 02:00:30,926 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 39 transitions, 169 flow. Second operand 3 states. [2020-10-16 02:00:30,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:30,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 249 [2020-10-16 02:00:30,926 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:30,951 INFO L129 PetriNetUnfolder]: 5/39 cut-off events. [2020-10-16 02:00:30,952 INFO L130 PetriNetUnfolder]: For 15/30 co-relation queries the response was YES. [2020-10-16 02:00:30,952 INFO L80 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 39 events. 5/39 cut-off events. For 15/30 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 96 event pairs, 4 based on Foata normal form. 15/51 useless extension candidates. Maximal degree in co-relation 68. Up to 13 conditions per place. [2020-10-16 02:00:30,952 INFO L132 encePairwiseOnDemand]: 247/249 looper letters, 2 selfloop transitions, 1 changer transitions 0/21 dead transitions. [2020-10-16 02:00:30,952 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 21 transitions, 70 flow [2020-10-16 02:00:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:00:30,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:00:30,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 631 transitions. [2020-10-16 02:00:30,955 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8447121820615796 [2020-10-16 02:00:30,955 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 631 transitions. [2020-10-16 02:00:30,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 631 transitions. [2020-10-16 02:00:30,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:30,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 631 transitions. [2020-10-16 02:00:30,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:00:30,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:00:30,959 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:00:30,960 INFO L185 Difference]: Start difference. First operand has 32 places, 39 transitions, 169 flow. Second operand 3 states and 631 transitions. [2020-10-16 02:00:30,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 21 transitions, 70 flow [2020-10-16 02:00:30,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 21 transitions, 62 flow, removed 4 selfloop flow, removed 1 redundant places. [2020-10-16 02:00:30,961 INFO L241 Difference]: Finished difference. Result has 26 places, 21 transitions, 58 flow [2020-10-16 02:00:30,961 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=26, PETRI_TRANSITIONS=21} [2020-10-16 02:00:30,962 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, -5 predicate places. [2020-10-16 02:00:30,962 INFO L481 AbstractCegarLoop]: Abstraction has has 26 places, 21 transitions, 58 flow [2020-10-16 02:00:30,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:00:30,962 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:30,962 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:00:30,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 02:00:30,963 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:00:30,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:30,963 INFO L82 PathProgramCache]: Analyzing trace with hash -833340819, now seen corresponding path program 1 times [2020-10-16 02:00:30,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:30,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890434166] [2020-10-16 02:00:30,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:31,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:00:31,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890434166] [2020-10-16 02:00:31,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:31,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 02:00:31,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361586467] [2020-10-16 02:00:31,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 02:00:31,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:31,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 02:00:31,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 02:00:31,349 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 249 [2020-10-16 02:00:31,350 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 21 transitions, 58 flow. Second operand 8 states. [2020-10-16 02:00:31,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:31,351 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 249 [2020-10-16 02:00:31,351 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:31,727 INFO L129 PetriNetUnfolder]: 75/194 cut-off events. [2020-10-16 02:00:31,727 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2020-10-16 02:00:31,728 INFO L80 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 194 events. 75/194 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 820 event pairs, 12 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 437. Up to 65 conditions per place. [2020-10-16 02:00:31,729 INFO L132 encePairwiseOnDemand]: 240/249 looper letters, 25 selfloop transitions, 11 changer transitions 0/41 dead transitions. [2020-10-16 02:00:31,729 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 41 transitions, 183 flow [2020-10-16 02:00:31,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 02:00:31,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 02:00:31,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 905 transitions. [2020-10-16 02:00:31,733 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.519219736087206 [2020-10-16 02:00:31,734 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 905 transitions. [2020-10-16 02:00:31,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 905 transitions. [2020-10-16 02:00:31,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:31,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 905 transitions. [2020-10-16 02:00:31,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 02:00:31,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 02:00:31,740 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 02:00:31,740 INFO L185 Difference]: Start difference. First operand has 26 places, 21 transitions, 58 flow. Second operand 7 states and 905 transitions. [2020-10-16 02:00:31,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 41 transitions, 183 flow [2020-10-16 02:00:31,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 41 transitions, 182 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:00:31,743 INFO L241 Difference]: Finished difference. Result has 32 places, 27 transitions, 109 flow [2020-10-16 02:00:31,743 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=109, PETRI_PLACES=32, PETRI_TRANSITIONS=27} [2020-10-16 02:00:31,743 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 1 predicate places. [2020-10-16 02:00:31,743 INFO L481 AbstractCegarLoop]: Abstraction has has 32 places, 27 transitions, 109 flow [2020-10-16 02:00:31,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 02:00:31,744 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:31,744 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:00:31,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 02:00:31,747 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:00:31,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:31,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1869564455, now seen corresponding path program 2 times [2020-10-16 02:00:31,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:31,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361741896] [2020-10-16 02:00:31,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:32,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:00:32,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361741896] [2020-10-16 02:00:32,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:32,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 02:00:32,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180770697] [2020-10-16 02:00:32,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 02:00:32,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:32,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 02:00:32,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-16 02:00:32,172 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 249 [2020-10-16 02:00:32,173 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 27 transitions, 109 flow. Second operand 8 states. [2020-10-16 02:00:32,173 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:32,173 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 249 [2020-10-16 02:00:32,173 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:32,652 INFO L129 PetriNetUnfolder]: 110/291 cut-off events. [2020-10-16 02:00:32,652 INFO L130 PetriNetUnfolder]: For 185/189 co-relation queries the response was YES. [2020-10-16 02:00:32,654 INFO L80 FinitePrefix]: Finished finitePrefix Result has 804 conditions, 291 events. 110/291 cut-off events. For 185/189 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1430 event pairs, 8 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 798. Up to 113 conditions per place. [2020-10-16 02:00:32,656 INFO L132 encePairwiseOnDemand]: 241/249 looper letters, 40 selfloop transitions, 20 changer transitions 0/65 dead transitions. [2020-10-16 02:00:32,657 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 65 transitions, 398 flow [2020-10-16 02:00:32,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 02:00:32,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-16 02:00:32,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1032 transitions. [2020-10-16 02:00:32,661 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5180722891566265 [2020-10-16 02:00:32,661 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1032 transitions. [2020-10-16 02:00:32,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1032 transitions. [2020-10-16 02:00:32,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:32,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1032 transitions. [2020-10-16 02:00:32,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-16 02:00:32,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-16 02:00:32,669 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-16 02:00:32,669 INFO L185 Difference]: Start difference. First operand has 32 places, 27 transitions, 109 flow. Second operand 8 states and 1032 transitions. [2020-10-16 02:00:32,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 65 transitions, 398 flow [2020-10-16 02:00:32,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 65 transitions, 394 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 02:00:32,674 INFO L241 Difference]: Finished difference. Result has 40 places, 39 transitions, 240 flow [2020-10-16 02:00:32,675 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=240, PETRI_PLACES=40, PETRI_TRANSITIONS=39} [2020-10-16 02:00:32,675 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 9 predicate places. [2020-10-16 02:00:32,675 INFO L481 AbstractCegarLoop]: Abstraction has has 40 places, 39 transitions, 240 flow [2020-10-16 02:00:32,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 02:00:32,675 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:32,675 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:00:32,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 02:00:32,676 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:00:32,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:32,676 INFO L82 PathProgramCache]: Analyzing trace with hash 589931523, now seen corresponding path program 1 times [2020-10-16 02:00:32,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:32,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788833286] [2020-10-16 02:00:32,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:33,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:00:33,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788833286] [2020-10-16 02:00:33,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:33,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:33,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91806120] [2020-10-16 02:00:33,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:33,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:33,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:33,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:33,623 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 249 [2020-10-16 02:00:33,624 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 39 transitions, 240 flow. Second operand 14 states. [2020-10-16 02:00:33,625 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:33,625 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 249 [2020-10-16 02:00:33,625 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:34,860 INFO L129 PetriNetUnfolder]: 145/385 cut-off events. [2020-10-16 02:00:34,861 INFO L130 PetriNetUnfolder]: For 663/669 co-relation queries the response was YES. [2020-10-16 02:00:34,863 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1327 conditions, 385 events. 145/385 cut-off events. For 663/669 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2172 event pairs, 40 based on Foata normal form. 3/385 useless extension candidates. Maximal degree in co-relation 1318. Up to 233 conditions per place. [2020-10-16 02:00:34,867 INFO L132 encePairwiseOnDemand]: 236/249 looper letters, 60 selfloop transitions, 26 changer transitions 11/102 dead transitions. [2020-10-16 02:00:34,867 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 102 transitions, 803 flow [2020-10-16 02:00:34,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:00:34,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:00:34,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1519 transitions. [2020-10-16 02:00:34,876 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4692616620327464 [2020-10-16 02:00:34,876 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1519 transitions. [2020-10-16 02:00:34,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1519 transitions. [2020-10-16 02:00:34,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:34,879 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1519 transitions. [2020-10-16 02:00:34,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:00:34,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:00:34,891 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:00:34,891 INFO L185 Difference]: Start difference. First operand has 40 places, 39 transitions, 240 flow. Second operand 13 states and 1519 transitions. [2020-10-16 02:00:34,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 102 transitions, 803 flow [2020-10-16 02:00:34,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 102 transitions, 797 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 02:00:34,900 INFO L241 Difference]: Finished difference. Result has 59 places, 65 transitions, 560 flow [2020-10-16 02:00:34,901 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=560, PETRI_PLACES=59, PETRI_TRANSITIONS=65} [2020-10-16 02:00:34,901 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 28 predicate places. [2020-10-16 02:00:34,901 INFO L481 AbstractCegarLoop]: Abstraction has has 59 places, 65 transitions, 560 flow [2020-10-16 02:00:34,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:34,902 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:34,902 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:00:34,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 02:00:34,902 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:00:34,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:34,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1459227231, now seen corresponding path program 2 times [2020-10-16 02:00:34,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:34,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490299051] [2020-10-16 02:00:34,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:35,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:00:35,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490299051] [2020-10-16 02:00:35,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:35,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:35,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8883341] [2020-10-16 02:00:35,709 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:35,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:35,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:35,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:35,712 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 249 [2020-10-16 02:00:35,714 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 65 transitions, 560 flow. Second operand 14 states. [2020-10-16 02:00:35,714 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:35,714 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 249 [2020-10-16 02:00:35,714 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:37,157 INFO L129 PetriNetUnfolder]: 200/513 cut-off events. [2020-10-16 02:00:37,157 INFO L130 PetriNetUnfolder]: For 1835/1852 co-relation queries the response was YES. [2020-10-16 02:00:37,162 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2329 conditions, 513 events. 200/513 cut-off events. For 1835/1852 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3109 event pairs, 34 based on Foata normal form. 6/517 useless extension candidates. Maximal degree in co-relation 2311. Up to 263 conditions per place. [2020-10-16 02:00:37,168 INFO L132 encePairwiseOnDemand]: 235/249 looper letters, 79 selfloop transitions, 66 changer transitions 0/150 dead transitions. [2020-10-16 02:00:37,168 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 150 transitions, 1604 flow [2020-10-16 02:00:37,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 02:00:37,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 02:00:37,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1633 transitions. [2020-10-16 02:00:37,175 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4684452094090648 [2020-10-16 02:00:37,175 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1633 transitions. [2020-10-16 02:00:37,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1633 transitions. [2020-10-16 02:00:37,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:37,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1633 transitions. [2020-10-16 02:00:37,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-16 02:00:37,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-16 02:00:37,191 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-16 02:00:37,191 INFO L185 Difference]: Start difference. First operand has 59 places, 65 transitions, 560 flow. Second operand 14 states and 1633 transitions. [2020-10-16 02:00:37,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 150 transitions, 1604 flow [2020-10-16 02:00:37,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 150 transitions, 1492 flow, removed 55 selfloop flow, removed 4 redundant places. [2020-10-16 02:00:37,212 INFO L241 Difference]: Finished difference. Result has 72 places, 118 transitions, 1280 flow [2020-10-16 02:00:37,212 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1280, PETRI_PLACES=72, PETRI_TRANSITIONS=118} [2020-10-16 02:00:37,213 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 41 predicate places. [2020-10-16 02:00:37,213 INFO L481 AbstractCegarLoop]: Abstraction has has 72 places, 118 transitions, 1280 flow [2020-10-16 02:00:37,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:37,213 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:37,213 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:00:37,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 02:00:37,214 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:00:37,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:37,215 INFO L82 PathProgramCache]: Analyzing trace with hash 479978243, now seen corresponding path program 3 times [2020-10-16 02:00:37,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:37,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232021879] [2020-10-16 02:00:37,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:37,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:00:37,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232021879] [2020-10-16 02:00:37,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:37,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:37,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891604248] [2020-10-16 02:00:37,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:37,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:37,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:37,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:37,959 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 249 [2020-10-16 02:00:37,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 118 transitions, 1280 flow. Second operand 14 states. [2020-10-16 02:00:37,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:37,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 249 [2020-10-16 02:00:37,960 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:39,371 INFO L129 PetriNetUnfolder]: 228/593 cut-off events. [2020-10-16 02:00:39,371 INFO L130 PetriNetUnfolder]: For 3233/3252 co-relation queries the response was YES. [2020-10-16 02:00:39,375 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3059 conditions, 593 events. 228/593 cut-off events. For 3233/3252 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3747 event pairs, 61 based on Foata normal form. 10/598 useless extension candidates. Maximal degree in co-relation 3036. Up to 408 conditions per place. [2020-10-16 02:00:39,380 INFO L132 encePairwiseOnDemand]: 237/249 looper letters, 118 selfloop transitions, 43 changer transitions 13/179 dead transitions. [2020-10-16 02:00:39,380 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 179 transitions, 2190 flow [2020-10-16 02:00:39,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-16 02:00:39,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-16 02:00:39,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1749 transitions. [2020-10-16 02:00:39,387 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4682730923694779 [2020-10-16 02:00:39,387 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1749 transitions. [2020-10-16 02:00:39,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1749 transitions. [2020-10-16 02:00:39,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:39,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1749 transitions. [2020-10-16 02:00:39,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-10-16 02:00:39,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 16 states. [2020-10-16 02:00:39,399 INFO L81 ComplementDD]: Finished complementDD. Result 16 states. [2020-10-16 02:00:39,399 INFO L185 Difference]: Start difference. First operand has 72 places, 118 transitions, 1280 flow. Second operand 15 states and 1749 transitions. [2020-10-16 02:00:39,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 179 transitions, 2190 flow [2020-10-16 02:00:39,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 179 transitions, 1994 flow, removed 97 selfloop flow, removed 1 redundant places. [2020-10-16 02:00:39,419 INFO L241 Difference]: Finished difference. Result has 93 places, 138 transitions, 1508 flow [2020-10-16 02:00:39,420 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=1142, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1508, PETRI_PLACES=93, PETRI_TRANSITIONS=138} [2020-10-16 02:00:39,420 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 62 predicate places. [2020-10-16 02:00:39,420 INFO L481 AbstractCegarLoop]: Abstraction has has 93 places, 138 transitions, 1508 flow [2020-10-16 02:00:39,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:39,421 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:39,421 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:00:39,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 02:00:39,421 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:00:39,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:39,421 INFO L82 PathProgramCache]: Analyzing trace with hash 627924559, now seen corresponding path program 4 times [2020-10-16 02:00:39,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:39,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814049312] [2020-10-16 02:00:39,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:40,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:00:40,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814049312] [2020-10-16 02:00:40,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:40,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:40,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519336840] [2020-10-16 02:00:40,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:40,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:40,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:40,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:40,202 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 249 [2020-10-16 02:00:40,202 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 138 transitions, 1508 flow. Second operand 14 states. [2020-10-16 02:00:40,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:40,203 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 249 [2020-10-16 02:00:40,203 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:41,554 INFO L129 PetriNetUnfolder]: 240/636 cut-off events. [2020-10-16 02:00:41,555 INFO L130 PetriNetUnfolder]: For 3802/3814 co-relation queries the response was YES. [2020-10-16 02:00:41,560 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3395 conditions, 636 events. 240/636 cut-off events. For 3802/3814 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4094 event pairs, 57 based on Foata normal form. 3/634 useless extension candidates. Maximal degree in co-relation 3363. Up to 461 conditions per place. [2020-10-16 02:00:41,565 INFO L132 encePairwiseOnDemand]: 237/249 looper letters, 128 selfloop transitions, 56 changer transitions 0/189 dead transitions. [2020-10-16 02:00:41,565 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 189 transitions, 2341 flow [2020-10-16 02:00:41,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-16 02:00:41,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-16 02:00:41,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1746 transitions. [2020-10-16 02:00:41,571 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4674698795180723 [2020-10-16 02:00:41,571 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1746 transitions. [2020-10-16 02:00:41,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1746 transitions. [2020-10-16 02:00:41,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:41,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1746 transitions. [2020-10-16 02:00:41,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-10-16 02:00:41,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 16 states. [2020-10-16 02:00:41,581 INFO L81 ComplementDD]: Finished complementDD. Result 16 states. [2020-10-16 02:00:41,581 INFO L185 Difference]: Start difference. First operand has 93 places, 138 transitions, 1508 flow. Second operand 15 states and 1746 transitions. [2020-10-16 02:00:41,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 189 transitions, 2341 flow [2020-10-16 02:00:41,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 189 transitions, 2189 flow, removed 52 selfloop flow, removed 8 redundant places. [2020-10-16 02:00:41,605 INFO L241 Difference]: Finished difference. Result has 103 places, 166 transitions, 1889 flow [2020-10-16 02:00:41,605 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=1394, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1889, PETRI_PLACES=103, PETRI_TRANSITIONS=166} [2020-10-16 02:00:41,606 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 72 predicate places. [2020-10-16 02:00:41,606 INFO L481 AbstractCegarLoop]: Abstraction has has 103 places, 166 transitions, 1889 flow [2020-10-16 02:00:41,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:41,606 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:41,606 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:00:41,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 02:00:41,606 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:00:41,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:41,607 INFO L82 PathProgramCache]: Analyzing trace with hash 128875285, now seen corresponding path program 5 times [2020-10-16 02:00:41,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:41,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569013501] [2020-10-16 02:00:41,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:42,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:00:42,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569013501] [2020-10-16 02:00:42,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:42,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:42,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291509143] [2020-10-16 02:00:42,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:42,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:42,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:42,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:42,307 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 249 [2020-10-16 02:00:42,308 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 166 transitions, 1889 flow. Second operand 14 states. [2020-10-16 02:00:42,308 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:42,308 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 249 [2020-10-16 02:00:42,308 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:43,617 INFO L129 PetriNetUnfolder]: 259/703 cut-off events. [2020-10-16 02:00:43,617 INFO L130 PetriNetUnfolder]: For 4277/4289 co-relation queries the response was YES. [2020-10-16 02:00:43,621 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3804 conditions, 703 events. 259/703 cut-off events. For 4277/4289 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4732 event pairs, 64 based on Foata normal form. 3/699 useless extension candidates. Maximal degree in co-relation 3769. Up to 474 conditions per place. [2020-10-16 02:00:43,626 INFO L132 encePairwiseOnDemand]: 235/249 looper letters, 144 selfloop transitions, 60 changer transitions 12/221 dead transitions. [2020-10-16 02:00:43,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 221 transitions, 2847 flow [2020-10-16 02:00:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 02:00:43,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 02:00:43,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1639 transitions. [2020-10-16 02:00:43,633 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.47016637980493403 [2020-10-16 02:00:43,633 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1639 transitions. [2020-10-16 02:00:43,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1639 transitions. [2020-10-16 02:00:43,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:43,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1639 transitions. [2020-10-16 02:00:43,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-16 02:00:43,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-16 02:00:43,678 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-16 02:00:43,678 INFO L185 Difference]: Start difference. First operand has 103 places, 166 transitions, 1889 flow. Second operand 14 states and 1639 transitions. [2020-10-16 02:00:43,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 221 transitions, 2847 flow [2020-10-16 02:00:43,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 221 transitions, 2742 flow, removed 49 selfloop flow, removed 2 redundant places. [2020-10-16 02:00:43,706 INFO L241 Difference]: Finished difference. Result has 119 places, 179 transitions, 2147 flow [2020-10-16 02:00:43,706 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=1802, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2147, PETRI_PLACES=119, PETRI_TRANSITIONS=179} [2020-10-16 02:00:43,707 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 88 predicate places. [2020-10-16 02:00:43,707 INFO L481 AbstractCegarLoop]: Abstraction has has 119 places, 179 transitions, 2147 flow [2020-10-16 02:00:43,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:43,707 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:43,707 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:00:43,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 02:00:43,708 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:00:43,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:43,708 INFO L82 PathProgramCache]: Analyzing trace with hash -537390289, now seen corresponding path program 6 times [2020-10-16 02:00:43,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:43,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055902702] [2020-10-16 02:00:43,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:44,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:00:44,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055902702] [2020-10-16 02:00:44,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:44,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:44,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515192728] [2020-10-16 02:00:44,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:44,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:44,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:44,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:44,446 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 249 [2020-10-16 02:00:44,447 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 179 transitions, 2147 flow. Second operand 14 states. [2020-10-16 02:00:44,447 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:44,447 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 249 [2020-10-16 02:00:44,447 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:45,688 INFO L129 PetriNetUnfolder]: 269/756 cut-off events. [2020-10-16 02:00:45,688 INFO L130 PetriNetUnfolder]: For 5431/5446 co-relation queries the response was YES. [2020-10-16 02:00:45,693 INFO L80 FinitePrefix]: Finished finitePrefix Result has 4240 conditions, 756 events. 269/756 cut-off events. For 5431/5446 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 5320 event pairs, 62 based on Foata normal form. 12/764 useless extension candidates. Maximal degree in co-relation 4199. Up to 467 conditions per place. [2020-10-16 02:00:45,698 INFO L132 encePairwiseOnDemand]: 235/249 looper letters, 140 selfloop transitions, 71 changer transitions 12/228 dead transitions. [2020-10-16 02:00:45,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 228 transitions, 3094 flow [2020-10-16 02:00:45,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:00:45,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:00:45,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1523 transitions. [2020-10-16 02:00:45,704 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.47049737411183196 [2020-10-16 02:00:45,704 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1523 transitions. [2020-10-16 02:00:45,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1523 transitions. [2020-10-16 02:00:45,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:45,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1523 transitions. [2020-10-16 02:00:45,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:00:45,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:00:45,712 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:00:45,712 INFO L185 Difference]: Start difference. First operand has 119 places, 179 transitions, 2147 flow. Second operand 13 states and 1523 transitions. [2020-10-16 02:00:45,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 228 transitions, 3094 flow [2020-10-16 02:00:45,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 228 transitions, 2920 flow, removed 39 selfloop flow, removed 11 redundant places. [2020-10-16 02:00:45,747 INFO L241 Difference]: Finished difference. Result has 123 places, 196 transitions, 2465 flow [2020-10-16 02:00:45,747 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=1995, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2465, PETRI_PLACES=123, PETRI_TRANSITIONS=196} [2020-10-16 02:00:45,748 INFO L342 CegarLoopForPetriNet]: 31 programPoint places, 92 predicate places. [2020-10-16 02:00:45,748 INFO L481 AbstractCegarLoop]: Abstraction has has 123 places, 196 transitions, 2465 flow [2020-10-16 02:00:45,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:45,748 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:45,748 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:00:45,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 02:00:45,749 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:00:45,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:45,749 INFO L82 PathProgramCache]: Analyzing trace with hash 667219701, now seen corresponding path program 7 times [2020-10-16 02:00:45,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:45,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850756388] [2020-10-16 02:00:45,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:00:45,780 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:00:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:00:45,803 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:00:45,835 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 02:00:45,836 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 02:00:45,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 02:00:45,837 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 02:00:45,849 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [381] [381] L1682-->L1739: Formula: (and (not (= ULTIMATE.start_ldv_assert_~expression_Out-1333032536 0)) (= |ULTIMATE.start_ldv_assert_#in~expression_In-1333032536| ULTIMATE.start_ldv_assert_~expression_Out-1333032536)) InVars {ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_In-1333032536|} OutVars{ULTIMATE.start_main_#t~mem40=|ULTIMATE.start_main_#t~mem40_Out-1333032536|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_In-1333032536|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out-1333032536} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem40, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-10-16 02:00:45,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:00:45 BasicIcfg [2020-10-16 02:00:45,901 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 02:00:45,902 INFO L168 Benchmark]: Toolchain (without parser) took 65880.71 ms. Allocated memory was 243.8 MB in the beginning and 647.0 MB in the end (delta: 403.2 MB). Free memory was 197.0 MB in the beginning and 207.0 MB in the end (delta: -10.0 MB). Peak memory consumption was 393.2 MB. Max. memory is 14.2 GB. [2020-10-16 02:00:45,903 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 243.8 MB. Free memory is still 220.2 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 02:00:45,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1527.40 ms. Allocated memory was 243.8 MB in the beginning and 347.6 MB in the end (delta: 103.8 MB). Free memory was 197.0 MB in the beginning and 309.6 MB in the end (delta: -112.6 MB). Peak memory consumption was 110.2 MB. Max. memory is 14.2 GB. [2020-10-16 02:00:45,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.82 ms. Allocated memory is still 347.6 MB. Free memory was 309.6 MB in the beginning and 306.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.2 GB. [2020-10-16 02:00:45,905 INFO L168 Benchmark]: Boogie Preprocessor took 49.05 ms. Allocated memory is still 347.6 MB. Free memory was 306.0 MB in the beginning and 302.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.2 GB. [2020-10-16 02:00:45,905 INFO L168 Benchmark]: RCFGBuilder took 678.60 ms. Allocated memory is still 347.6 MB. Free memory was 302.3 MB in the beginning and 258.9 MB in the end (delta: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 14.2 GB. [2020-10-16 02:00:45,906 INFO L168 Benchmark]: TraceAbstraction took 63505.18 ms. Allocated memory was 347.6 MB in the beginning and 647.0 MB in the end (delta: 299.4 MB). Free memory was 258.9 MB in the beginning and 207.0 MB in the end (delta: 51.8 MB). Peak memory consumption was 351.2 MB. Max. memory is 14.2 GB. [2020-10-16 02:00:45,909 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 243.8 MB. Free memory is still 220.2 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1527.40 ms. Allocated memory was 243.8 MB in the beginning and 347.6 MB in the end (delta: 103.8 MB). Free memory was 197.0 MB in the beginning and 309.6 MB in the end (delta: -112.6 MB). Peak memory consumption was 110.2 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 110.82 ms. Allocated memory is still 347.6 MB. Free memory was 309.6 MB in the beginning and 306.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 49.05 ms. Allocated memory is still 347.6 MB. Free memory was 306.0 MB in the beginning and 302.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 678.60 ms. Allocated memory is still 347.6 MB. Free memory was 302.3 MB in the beginning and 258.9 MB in the end (delta: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 63505.18 ms. Allocated memory was 347.6 MB in the beginning and 647.0 MB in the end (delta: 299.4 MB). Free memory was 258.9 MB in the beginning and 207.0 MB in the end (delta: 51.8 MB). Peak memory consumption was 351.2 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1149 VarBasedMoverChecksPositive, 50 VarBasedMoverChecksNegative, 1 SemBasedMoverChecksPositive, 31 SemBasedMoverChecksNegative, 18 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 40.8s, 35 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 47.1s, 120 PlacesBefore, 31 PlacesAfterwards, 120 TransitionsBefore, 28 TransitionsAfterwards, 1848 CoEnabledTransitionPairs, 6 FixpointIterations, 59 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 8 ConcurrentYvCompositions, 3 ChoiceCompositions, 118 TotalNumberOfCompositions, 3328 MoverChecksTotal - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1683] 0 pthread_t t1,t2; [L1725] 0 return 0; [L1731] 0 int ret = my_drv_init(); [L1732] COND TRUE 0 ret==0 [L1733] 0 int probe_ret; [L1734] 0 struct my_data data; [L1704] 0 struct device *d = &data->dev; [L1706] 0 data->shared.a = 0 [L1707] 0 data->shared.b = 0 [L1708] 0 int res = __VERIFIER_nondet_int(); [L1709] COND FALSE 0 !(\read(res)) [L1711] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={6:24}, t1={7:0}, t2={5:0}] [L1696] 1 struct device *dev = (struct device*)arg; [L1697] 1 struct my_data *data; [L1698] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1698] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1699] 1 data->shared.a = 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={7:0}, t2={5:0}] [L1700] 1 data->shared.b VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data->shared.b=0, dev={6:24}, t1={7:0}, t2={5:0}] [L1712] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data->shared.b=0, dev={6:24}, t1={7:0}, t2={5:0}] [L1696] 2 struct device *dev = (struct device*)arg; [L1697] 2 struct my_data *data; [L1698] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1698] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1699] 2 data->shared.a = 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data->shared.b=0, dev={6:24}, t1={7:0}, t2={5:0}] [L1700] EXPR 2 data->shared.b VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data->shared.b=0, dev={6:24}, t1={7:0}, t2={5:0}] [L1713] 0 return 0; [L1735] 0 probe_ret = my_drv_probe(&data) VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data->shared.b=0, dev={6:24}, t1={7:0}, t2={5:0}] [L1736] COND TRUE 0 probe_ret==0 [L1719] 0 void *status; [L1720] 0 \read(t1) VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data->shared.b=0, dev={6:24}, t1={7:0}, t2={5:0}] [L1700] 2 data->shared.b = data->shared.b + 1 [L1701] 2 return 0; [L1700] 1 data->shared.b = data->shared.b + 1 [L1701] 1 return 0; [L1720] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={7:0}, t2={5:0}] [L1721] 0 \read(t2) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={7:0}, t2={5:0}] [L1721] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={7:0}, t2={5:0}] [L1738] 0 data.shared.a [L1739] 0 data.shared.b [L1682] COND TRUE 0 !expression [L1682] 0 __VERIFIER_error() VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={7:0}, t2={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 111 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 63.3s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 47.2s, HoareTripleCheckerStatistics: 124 SDtfs, 213 SDslu, 77 SDs, 0 SdLazy, 3586 SolverSat, 216 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2465occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 57973 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...