java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:16:30,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:16:30,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:16:30,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:16:30,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:16:30,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:16:30,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:16:30,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:16:30,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:16:30,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:16:30,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:16:30,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:16:30,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:16:30,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:16:30,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:16:30,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:16:30,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:16:30,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:16:30,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:16:30,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:16:30,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:16:30,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:16:30,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:16:30,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:16:30,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:16:30,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:16:30,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:16:30,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:16:30,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:16:30,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:16:30,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:16:30,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:16:30,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:16:30,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:16:30,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:16:30,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:16:30,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:16:30,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:16:30,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:16:30,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:16:30,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:16:30,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:16:30,761 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:16:30,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:16:30,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:16:30,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:16:30,766 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:16:30,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:16:30,766 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:16:30,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:16:30,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:16:30,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:16:30,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:16:30,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:16:30,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:16:30,768 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:16:30,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:16:30,769 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:16:30,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:16:30,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:16:30,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:16:30,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:16:30,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:16:30,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:16:30,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:16:30,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:16:30,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:16:30,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:16:30,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:16:30,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:16:30,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:16:31,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:16:31,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:16:31,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:16:31,100 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:16:31,101 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:16:31,101 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c [2019-10-07 15:16:31,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bccef5f7/61989eab7a0048078c95c399cfd5a042/FLAGe1130a576 [2019-10-07 15:16:31,667 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:16:31,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c [2019-10-07 15:16:31,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bccef5f7/61989eab7a0048078c95c399cfd5a042/FLAGe1130a576 [2019-10-07 15:16:31,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bccef5f7/61989eab7a0048078c95c399cfd5a042 [2019-10-07 15:16:32,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:16:32,006 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:16:32,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:16:32,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:16:32,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:16:32,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:16:31" (1/1) ... [2019-10-07 15:16:32,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e20f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:32, skipping insertion in model container [2019-10-07 15:16:32,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:16:31" (1/1) ... [2019-10-07 15:16:32,022 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:16:32,085 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:16:32,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:16:32,569 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:16:32,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:16:32,712 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:16:32,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:32 WrapperNode [2019-10-07 15:16:32,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:16:32,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:16:32,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:16:32,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:16:32,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:32" (1/1) ... [2019-10-07 15:16:32,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:32" (1/1) ... [2019-10-07 15:16:32,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:32" (1/1) ... [2019-10-07 15:16:32,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:32" (1/1) ... [2019-10-07 15:16:32,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:32" (1/1) ... [2019-10-07 15:16:32,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:32" (1/1) ... [2019-10-07 15:16:32,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:32" (1/1) ... [2019-10-07 15:16:32,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:16:32,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:16:32,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:16:32,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:16:32,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:32" (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 [2019-10-07 15:16:32,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:16:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:16:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:16:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:16:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:16:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:16:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:16:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:16:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:16:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:16:32,898 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:16:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:16:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:16:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:16:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:16:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:16:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:16:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:16:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:16:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:16:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:16:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:16:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:16:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:16:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:16:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:16:32,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:16:32,904 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:16:32,904 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:16:32,904 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:16:32,904 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:16:32,904 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-07 15:16:32,904 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:16:32,905 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:16:32,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:16:32,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:16:32,905 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:16:32,906 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:16:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:16:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:16:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:16:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:16:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:16:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:16:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:16:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:16:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:16:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:16:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:16:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:16:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:16:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:16:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:16:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:16:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:16:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:16:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:16:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:16:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:16:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:16:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:16:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:16:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:16:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:16:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:16:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:16:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:16:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:16:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:16:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:16:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:16:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:16:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:16:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:16:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:16:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:16:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:16:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:16:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:16:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:16:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:16:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:16:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:16:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:16:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:16:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:16:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-07 15:16:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:16:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:16:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:16:34,501 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:16:34,502 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:16:34,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:16:34 BoogieIcfgContainer [2019-10-07 15:16:34,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:16:34,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:16:34,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:16:34,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:16:34,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:16:31" (1/3) ... [2019-10-07 15:16:34,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cdb4467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:16:34, skipping insertion in model container [2019-10-07 15:16:34,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:32" (2/3) ... [2019-10-07 15:16:34,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cdb4467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:16:34, skipping insertion in model container [2019-10-07 15:16:34,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:16:34" (3/3) ... [2019-10-07 15:16:34,512 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product14.cil.c [2019-10-07 15:16:34,524 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:16:34,538 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:16:34,552 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:16:34,589 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:16:34,590 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:16:34,590 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:16:34,590 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:16:34,590 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:16:34,591 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:16:34,591 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:16:34,591 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:16:34,623 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2019-10-07 15:16:34,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:16:34,636 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:34,637 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:16:34,639 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:34,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:34,646 INFO L82 PathProgramCache]: Analyzing trace with hash -766509314, now seen corresponding path program 1 times [2019-10-07 15:16:34,656 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:34,657 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:34,657 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:34,659 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:34,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:35,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:35,079 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:35,079 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:35,080 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:16:35,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:16:35,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:16:35,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:16:35,106 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 2 states. [2019-10-07 15:16:35,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:35,165 INFO L93 Difference]: Finished difference Result 184 states and 225 transitions. [2019-10-07 15:16:35,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:16:35,168 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:16:35,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:35,183 INFO L225 Difference]: With dead ends: 184 [2019-10-07 15:16:35,183 INFO L226 Difference]: Without dead ends: 94 [2019-10-07 15:16:35,187 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:16:35,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-10-07 15:16:35,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-10-07 15:16:35,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-10-07 15:16:35,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2019-10-07 15:16:35,235 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2019-10-07 15:16:35,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:35,236 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2019-10-07 15:16:35,236 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:16:35,236 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2019-10-07 15:16:35,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:16:35,240 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:35,240 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:16:35,241 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:35,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:35,241 INFO L82 PathProgramCache]: Analyzing trace with hash -937299196, now seen corresponding path program 1 times [2019-10-07 15:16:35,241 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:35,241 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:35,242 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:35,242 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:35,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:35,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:35,344 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:35,344 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:35,344 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:16:35,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:16:35,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:16:35,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:16:35,347 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 3 states. [2019-10-07 15:16:35,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:35,366 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2019-10-07 15:16:35,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:16:35,367 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:16:35,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:35,369 INFO L225 Difference]: With dead ends: 138 [2019-10-07 15:16:35,369 INFO L226 Difference]: Without dead ends: 86 [2019-10-07 15:16:35,371 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:16:35,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-10-07 15:16:35,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2019-10-07 15:16:35,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-10-07 15:16:35,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2019-10-07 15:16:35,384 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 47 [2019-10-07 15:16:35,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:35,384 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2019-10-07 15:16:35,385 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:16:35,385 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2019-10-07 15:16:35,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-07 15:16:35,387 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:35,387 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:16:35,387 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:35,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:35,388 INFO L82 PathProgramCache]: Analyzing trace with hash 2064264878, now seen corresponding path program 1 times [2019-10-07 15:16:35,388 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:35,388 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:35,389 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:35,389 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:35,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:35,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:35,567 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:35,567 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:35,567 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:16:35,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:16:35,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:16:35,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:16:35,569 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 7 states. [2019-10-07 15:16:35,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:35,845 INFO L93 Difference]: Finished difference Result 147 states and 170 transitions. [2019-10-07 15:16:35,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:16:35,846 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-07 15:16:35,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:35,849 INFO L225 Difference]: With dead ends: 147 [2019-10-07 15:16:35,849 INFO L226 Difference]: Without dead ends: 86 [2019-10-07 15:16:35,851 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:16:35,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-10-07 15:16:35,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2019-10-07 15:16:35,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-10-07 15:16:35,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 96 transitions. [2019-10-07 15:16:35,870 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 96 transitions. Word has length 50 [2019-10-07 15:16:35,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:35,871 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 96 transitions. [2019-10-07 15:16:35,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:16:35,871 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2019-10-07 15:16:35,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-07 15:16:35,879 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:35,880 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:16:35,880 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:35,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:35,880 INFO L82 PathProgramCache]: Analyzing trace with hash -777463278, now seen corresponding path program 1 times [2019-10-07 15:16:35,881 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:35,881 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:35,881 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:35,881 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:35,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:36,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:36,033 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:36,034 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:36,034 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:16:36,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:16:36,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:16:36,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:16:36,035 INFO L87 Difference]: Start difference. First operand 86 states and 96 transitions. Second operand 6 states. [2019-10-07 15:16:36,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:36,239 INFO L93 Difference]: Finished difference Result 200 states and 232 transitions. [2019-10-07 15:16:36,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:16:36,240 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-10-07 15:16:36,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:36,244 INFO L225 Difference]: With dead ends: 200 [2019-10-07 15:16:36,245 INFO L226 Difference]: Without dead ends: 139 [2019-10-07 15:16:36,246 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:16:36,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-10-07 15:16:36,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 135. [2019-10-07 15:16:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-07 15:16:36,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 153 transitions. [2019-10-07 15:16:36,289 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 153 transitions. Word has length 58 [2019-10-07 15:16:36,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:36,290 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 153 transitions. [2019-10-07 15:16:36,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:16:36,292 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 153 transitions. [2019-10-07 15:16:36,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-07 15:16:36,296 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:36,296 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:16:36,296 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:36,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:36,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1751985752, now seen corresponding path program 1 times [2019-10-07 15:16:36,297 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:36,297 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:36,298 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:36,298 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:36,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:36,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:36,471 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:36,471 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:36,471 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:16:36,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:16:36,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:16:36,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:16:36,473 INFO L87 Difference]: Start difference. First operand 135 states and 153 transitions. Second operand 7 states. [2019-10-07 15:16:36,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:36,803 INFO L93 Difference]: Finished difference Result 215 states and 250 transitions. [2019-10-07 15:16:36,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:16:36,804 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-07 15:16:36,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:36,805 INFO L225 Difference]: With dead ends: 215 [2019-10-07 15:16:36,805 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:16:36,807 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:16:36,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:16:36,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:16:36,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:16:36,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:16:36,812 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-10-07 15:16:36,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:36,812 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:16:36,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:16:36,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:16:36,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:16:36,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:16:37,697 INFO L443 ceAbstractionStarter]: For program point L413(lines 390 414) no Hoare annotation was computed. [2019-10-07 15:16:37,698 INFO L443 ceAbstractionStarter]: For program point L397(lines 397 401) no Hoare annotation was computed. [2019-10-07 15:16:37,698 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 366 421) no Hoare annotation was computed. [2019-10-07 15:16:37,698 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 391 412) no Hoare annotation was computed. [2019-10-07 15:16:37,698 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 366 421) no Hoare annotation was computed. [2019-10-07 15:16:37,698 INFO L443 ceAbstractionStarter]: For program point L448-2(lines 448 473) no Hoare annotation was computed. [2019-10-07 15:16:37,699 INFO L443 ceAbstractionStarter]: For program point L474(lines 447 475) no Hoare annotation was computed. [2019-10-07 15:16:37,699 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 422 481) no Hoare annotation was computed. [2019-10-07 15:16:37,699 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-07 15:16:37,699 INFO L443 ceAbstractionStarter]: For program point L467-1(line 467) no Hoare annotation was computed. [2019-10-07 15:16:37,699 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 422 481) no Hoare annotation was computed. [2019-10-07 15:16:37,700 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 422 481) no Hoare annotation was computed. [2019-10-07 15:16:37,700 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 458) no Hoare annotation was computed. [2019-10-07 15:16:37,700 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 156 162) the Hoare annotation is: true [2019-10-07 15:16:37,700 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 156 162) no Hoare annotation was computed. [2019-10-07 15:16:37,701 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 163 171) no Hoare annotation was computed. [2019-10-07 15:16:37,701 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 163 171) the Hoare annotation is: true [2019-10-07 15:16:37,703 INFO L439 ceAbstractionStarter]: At program point L257(line 257) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:37,703 INFO L439 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:37,703 INFO L439 ceAbstractionStarter]: At program point L256-1(line 256) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:37,705 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 250 272) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:37,705 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 250 272) no Hoare annotation was computed. [2019-10-07 15:16:37,705 INFO L439 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-10-07 15:16:37,705 INFO L439 ceAbstractionStarter]: At program point L262-1(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-10-07 15:16:37,705 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 267) no Hoare annotation was computed. [2019-10-07 15:16:37,706 INFO L443 ceAbstractionStarter]: For program point L260-1(lines 260 267) no Hoare annotation was computed. [2019-10-07 15:16:37,706 INFO L443 ceAbstractionStarter]: For program point L258(line 258) no Hoare annotation was computed. [2019-10-07 15:16:37,706 INFO L443 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2019-10-07 15:16:37,706 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 206 229) no Hoare annotation was computed. [2019-10-07 15:16:37,706 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-10-07 15:16:37,707 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-07 15:16:37,707 INFO L443 ceAbstractionStarter]: For program point L221(line 221) no Hoare annotation was computed. [2019-10-07 15:16:37,707 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 206 229) no Hoare annotation was computed. [2019-10-07 15:16:37,707 INFO L443 ceAbstractionStarter]: For program point L220(line 220) no Hoare annotation was computed. [2019-10-07 15:16:37,707 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 206 229) no Hoare annotation was computed. [2019-10-07 15:16:37,707 INFO L443 ceAbstractionStarter]: For program point L219(line 219) no Hoare annotation was computed. [2019-10-07 15:16:37,708 INFO L443 ceAbstractionStarter]: For program point L218(line 218) no Hoare annotation was computed. [2019-10-07 15:16:37,708 INFO L443 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed. [2019-10-07 15:16:37,708 INFO L443 ceAbstractionStarter]: For program point L216(line 216) no Hoare annotation was computed. [2019-10-07 15:16:37,708 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-10-07 15:16:37,708 INFO L443 ceAbstractionStarter]: For program point L214(line 214) no Hoare annotation was computed. [2019-10-07 15:16:37,708 INFO L443 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2019-10-07 15:16:37,709 INFO L443 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2019-10-07 15:16:37,709 INFO L443 ceAbstractionStarter]: For program point L211(line 211) no Hoare annotation was computed. [2019-10-07 15:16:37,709 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 777 783) no Hoare annotation was computed. [2019-10-07 15:16:37,709 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 777 783) the Hoare annotation is: true [2019-10-07 15:16:37,709 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 810 817) no Hoare annotation was computed. [2019-10-07 15:16:37,710 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 810 817) no Hoare annotation was computed. [2019-10-07 15:16:37,710 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 854 862) no Hoare annotation was computed. [2019-10-07 15:16:37,710 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 854 862) the Hoare annotation is: true [2019-10-07 15:16:37,710 INFO L443 ceAbstractionStarter]: For program point L893(line 893) no Hoare annotation was computed. [2019-10-07 15:16:37,710 INFO L443 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2019-10-07 15:16:37,711 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 863 898) no Hoare annotation was computed. [2019-10-07 15:16:37,711 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 863 898) no Hoare annotation was computed. [2019-10-07 15:16:37,711 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 149 155) no Hoare annotation was computed. [2019-10-07 15:16:37,711 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 149 155) the Hoare annotation is: true [2019-10-07 15:16:37,711 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 320 365) no Hoare annotation was computed. [2019-10-07 15:16:37,712 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 320 365) no Hoare annotation was computed. [2019-10-07 15:16:37,712 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 633 678) no Hoare annotation was computed. [2019-10-07 15:16:37,712 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 633 678) no Hoare annotation was computed. [2019-10-07 15:16:37,712 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 239 249) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:37,713 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 239 249) no Hoare annotation was computed. [2019-10-07 15:16:37,713 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 239 249) no Hoare annotation was computed. [2019-10-07 15:16:37,713 INFO L439 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:37,713 INFO L446 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: true [2019-10-07 15:16:37,713 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 843 853) the Hoare annotation is: true [2019-10-07 15:16:37,714 INFO L443 ceAbstractionStarter]: For program point L848-1(line 848) no Hoare annotation was computed. [2019-10-07 15:16:37,714 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 843 853) no Hoare annotation was computed. [2019-10-07 15:16:37,714 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 835 842) the Hoare annotation is: true [2019-10-07 15:16:37,714 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 835 842) no Hoare annotation was computed. [2019-10-07 15:16:37,714 INFO L439 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:16:37,715 INFO L439 ceAbstractionStarter]: At program point L795(line 795) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:16:37,715 INFO L443 ceAbstractionStarter]: For program point L793(lines 793 801) no Hoare annotation was computed. [2019-10-07 15:16:37,715 INFO L439 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:16:37,715 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 785 809) no Hoare annotation was computed. [2019-10-07 15:16:37,715 INFO L443 ceAbstractionStarter]: For program point L791-1(line 791) no Hoare annotation was computed. [2019-10-07 15:16:37,716 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 806) no Hoare annotation was computed. [2019-10-07 15:16:37,716 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 785 809) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:16:37,716 INFO L439 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:16:37,716 INFO L443 ceAbstractionStarter]: For program point L804-1(lines 785 809) no Hoare annotation was computed. [2019-10-07 15:16:37,717 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 681 746) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:37,717 INFO L439 ceAbstractionStarter]: At program point L729-2(lines 721 734) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:37,717 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 681 746) no Hoare annotation was computed. [2019-10-07 15:16:37,717 INFO L443 ceAbstractionStarter]: For program point L692(lines 691 738) no Hoare annotation was computed. [2019-10-07 15:16:37,718 INFO L439 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:37,718 INFO L443 ceAbstractionStarter]: For program point L721(lines 721 734) no Hoare annotation was computed. [2019-10-07 15:16:37,719 INFO L439 ceAbstractionStarter]: At program point L713(line 713) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:37,724 INFO L443 ceAbstractionStarter]: For program point L711(lines 711 717) no Hoare annotation was computed. [2019-10-07 15:16:37,724 INFO L443 ceAbstractionStarter]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2019-10-07 15:16:37,725 INFO L439 ceAbstractionStarter]: At program point L736(lines 691 738) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:37,725 INFO L439 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:37,725 INFO L443 ceAbstractionStarter]: For program point L701(lines 701 707) no Hoare annotation was computed. [2019-10-07 15:16:37,725 INFO L443 ceAbstractionStarter]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2019-10-07 15:16:37,725 INFO L439 ceAbstractionStarter]: At program point L739(lines 690 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:37,725 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 681 746) no Hoare annotation was computed. [2019-10-07 15:16:37,726 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 587 632) no Hoare annotation was computed. [2019-10-07 15:16:37,726 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 587 632) no Hoare annotation was computed. [2019-10-07 15:16:37,726 INFO L443 ceAbstractionStarter]: For program point L290-1(line 290) no Hoare annotation was computed. [2019-10-07 15:16:37,731 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 284 312) the Hoare annotation is: true [2019-10-07 15:16:37,732 INFO L439 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:16:37,732 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 303) no Hoare annotation was computed. [2019-10-07 15:16:37,732 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 306) no Hoare annotation was computed. [2019-10-07 15:16:37,732 INFO L439 ceAbstractionStarter]: At program point L294(line 294) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:16:37,733 INFO L443 ceAbstractionStarter]: For program point L294-1(line 294) no Hoare annotation was computed. [2019-10-07 15:16:37,733 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 309) no Hoare annotation was computed. [2019-10-07 15:16:37,733 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 284 312) no Hoare annotation was computed. [2019-10-07 15:16:37,733 INFO L443 ceAbstractionStarter]: For program point L292-1(lines 284 312) no Hoare annotation was computed. [2019-10-07 15:16:37,733 INFO L446 ceAbstractionStarter]: At program point L290(line 290) the Hoare annotation is: true [2019-10-07 15:16:37,734 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2019-10-07 15:16:37,734 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2019-10-07 15:16:37,734 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 276 283) the Hoare annotation is: true [2019-10-07 15:16:37,734 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 276 283) no Hoare annotation was computed. [2019-10-07 15:16:37,735 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 139 148) no Hoare annotation was computed. [2019-10-07 15:16:37,735 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 139 148) no Hoare annotation was computed. [2019-10-07 15:16:37,735 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 484 586) no Hoare annotation was computed. [2019-10-07 15:16:37,735 INFO L443 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2019-10-07 15:16:37,735 INFO L443 ceAbstractionStarter]: For program point L533-2(lines 533 553) no Hoare annotation was computed. [2019-10-07 15:16:37,736 INFO L443 ceAbstractionStarter]: For program point L554(lines 532 555) no Hoare annotation was computed. [2019-10-07 15:16:37,736 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 484 586) no Hoare annotation was computed. [2019-10-07 15:16:37,736 INFO L443 ceAbstractionStarter]: For program point L513(lines 513 529) no Hoare annotation was computed. [2019-10-07 15:16:37,736 INFO L443 ceAbstractionStarter]: For program point L534(lines 533 553) no Hoare annotation was computed. [2019-10-07 15:16:37,736 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-07 15:16:37,737 INFO L443 ceAbstractionStarter]: For program point L565-1(line 565) no Hoare annotation was computed. [2019-10-07 15:16:37,737 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 571) no Hoare annotation was computed. [2019-10-07 15:16:37,737 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 484 586) no Hoare annotation was computed. [2019-10-07 15:16:37,737 INFO L443 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2019-10-07 15:16:37,737 INFO L443 ceAbstractionStarter]: For program point L549-1(line 549) no Hoare annotation was computed. [2019-10-07 15:16:37,738 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:16:37,738 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:37,738 INFO L443 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2019-10-07 15:16:37,738 INFO L443 ceAbstractionStarter]: For program point L829-1(lines 818 834) no Hoare annotation was computed. [2019-10-07 15:16:37,738 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 818 834) no Hoare annotation was computed. [2019-10-07 15:16:37,739 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 831) no Hoare annotation was computed. [2019-10-07 15:16:37,739 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 818 834) no Hoare annotation was computed. [2019-10-07 15:16:37,739 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-07 15:16:37,739 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-10-07 15:16:37,739 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2019-10-07 15:16:37,740 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2019-10-07 15:16:37,740 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2019-10-07 15:16:37,740 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2019-10-07 15:16:37,740 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:37,740 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:16:37,740 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2019-10-07 15:16:37,740 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2019-10-07 15:16:37,741 INFO L439 ceAbstractionStarter]: At program point L766(line 766) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:16:37,741 INFO L439 ceAbstractionStarter]: At program point L764(lines 764 770) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:16:37,741 INFO L439 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:16:37,741 INFO L443 ceAbstractionStarter]: For program point L757(lines 756 775) no Hoare annotation was computed. [2019-10-07 15:16:37,741 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 753 776) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:16:37,741 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 753 776) no Hoare annotation was computed. [2019-10-07 15:16:37,742 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 753 776) no Hoare annotation was computed. [2019-10-07 15:16:37,742 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 175 204) no Hoare annotation was computed. [2019-10-07 15:16:37,742 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-10-07 15:16:37,742 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 175 204) the Hoare annotation is: true [2019-10-07 15:16:37,742 INFO L446 ceAbstractionStarter]: At program point L189-1(lines 189 193) the Hoare annotation is: true [2019-10-07 15:16:37,742 INFO L446 ceAbstractionStarter]: At program point L185-2(lines 185 199) the Hoare annotation is: true [2019-10-07 15:16:37,742 INFO L446 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: true [2019-10-07 15:16:37,743 INFO L443 ceAbstractionStarter]: For program point L181-1(line 181) no Hoare annotation was computed. [2019-10-07 15:16:37,743 INFO L446 ceAbstractionStarter]: At program point L200(lines 175 204) the Hoare annotation is: true [2019-10-07 15:16:37,743 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-07 15:16:37,743 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2019-10-07 15:16:37,744 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2019-10-07 15:16:37,744 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 230 236) no Hoare annotation was computed. [2019-10-07 15:16:37,744 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 230 236) the Hoare annotation is: true [2019-10-07 15:16:37,744 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:37,744 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-07 15:16:37,744 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:16:37,744 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:16:37,744 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 899 906) no Hoare annotation was computed. [2019-10-07 15:16:37,745 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 899 906) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:16:37,745 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2019-10-07 15:16:37,745 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2019-10-07 15:16:37,745 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 126 133) the Hoare annotation is: true [2019-10-07 15:16:37,745 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2019-10-07 15:16:37,745 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 126 133) no Hoare annotation was computed. [2019-10-07 15:16:37,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:16:37 BoogieIcfgContainer [2019-10-07 15:16:37,775 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:16:37,779 INFO L168 Benchmark]: Toolchain (without parser) took 5771.47 ms. Allocated memory was 137.9 MB in the beginning and 248.5 MB in the end (delta: 110.6 MB). Free memory was 101.4 MB in the beginning and 91.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 120.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:37,782 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:16:37,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.40 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 169.4 MB in the end (delta: -68.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:37,787 INFO L168 Benchmark]: Boogie Preprocessor took 102.66 ms. Allocated memory is still 202.4 MB. Free memory was 169.4 MB in the beginning and 165.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:37,789 INFO L168 Benchmark]: RCFGBuilder took 1686.86 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 165.4 MB in the beginning and 152.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:37,792 INFO L168 Benchmark]: TraceAbstraction took 3270.58 ms. Allocated memory was 234.9 MB in the beginning and 248.5 MB in the end (delta: 13.6 MB). Free memory was 152.0 MB in the beginning and 91.4 MB in the end (delta: 60.6 MB). Peak memory consumption was 74.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:37,809 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.40 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 169.4 MB in the end (delta: -68.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.66 ms. Allocated memory is still 202.4 MB. Free memory was 169.4 MB in the beginning and 165.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1686.86 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 165.4 MB in the beginning and 152.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3270.58 ms. Allocated memory was 234.9 MB in the beginning and 248.5 MB in the end (delta: 13.6 MB). Free memory was 152.0 MB in the beginning and 91.4 MB in the end (delta: 60.6 MB). Peak memory consumption was 74.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 175 locations, 1 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 466 SDtfs, 206 SDslu, 704 SDs, 0 SdLazy, 309 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 231 PreInvPairs, 245 NumberOfFragments, 507 HoareAnnotationTreeSize, 231 FomulaSimplifications, 87 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 732 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 24762 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...