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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:16:44,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:16:44,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:16:44,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:16:44,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:16:44,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:16:44,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:16:44,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:16:44,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:16:44,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:16:44,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:16:44,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:16:44,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:16:44,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:16:44,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:16:44,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:16:44,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:16:44,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:16:44,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:16:44,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:16:44,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:16:44,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:16:44,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:16:44,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:16:44,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:16:44,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:16:44,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:16:44,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:16:44,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:16:44,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:16:44,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:16:44,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:16:44,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:16:44,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:16:44,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:16:44,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:16:44,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:16:44,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:16:44,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:16:44,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:16:44,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:16:44,813 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 15:16:44,833 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:16:44,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:16:44,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:16:44,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:16:44,838 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:16:44,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:16:44,839 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:16:44,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:16:44,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:16:44,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:16:44,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:16:44,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:16:44,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:16:44,841 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:16:44,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:16:44,842 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:16:44,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:16:44,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:16:44,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:16:44,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:16:44,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:16:44,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:16:44,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:16:44,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:16:44,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:16:44,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:16:44,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:16:44,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:16:44,849 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 15:16:45,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:16:45,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:16:45,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:16:45,144 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:16:45,144 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:16:45,145 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2019-10-07 15:16:45,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62a97e280/813940a0d1484064baaf9fcb5f89bf9f/FLAG397575378 [2019-10-07 15:16:45,721 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:16:45,722 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2019-10-07 15:16:45,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62a97e280/813940a0d1484064baaf9fcb5f89bf9f/FLAG397575378 [2019-10-07 15:16:46,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62a97e280/813940a0d1484064baaf9fcb5f89bf9f [2019-10-07 15:16:46,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:16:46,022 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:16:46,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:16:46,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:16:46,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:16:46,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:16:46" (1/1) ... [2019-10-07 15:16:46,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9061149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:46, skipping insertion in model container [2019-10-07 15:16:46,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:16:46" (1/1) ... [2019-10-07 15:16:46,036 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:16:46,085 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:16:46,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:16:46,545 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:16:46,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:16:46,687 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:16:46,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:46 WrapperNode [2019-10-07 15:16:46,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:16:46,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:16:46,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:16:46,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:16:46,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:46" (1/1) ... [2019-10-07 15:16:46,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:46" (1/1) ... [2019-10-07 15:16:46,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:46" (1/1) ... [2019-10-07 15:16:46,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:46" (1/1) ... [2019-10-07 15:16:46,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:46" (1/1) ... [2019-10-07 15:16:46,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:46" (1/1) ... [2019-10-07 15:16:46,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:46" (1/1) ... [2019-10-07 15:16:46,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:16:46,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:16:46,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:16:46,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:16:46,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:46" (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 15:16:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:16:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:16:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:16:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:16:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:16:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:16:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:16:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:16:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:16:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:16:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:16:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:16:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:16:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:16:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:16:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:16:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:16:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:16:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:16:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:16:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:16:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:16:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:16:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:16:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:16:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:16:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:16:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:16:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:16:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:16:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:16:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:16:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:16:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:16:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:16:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:16:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:16:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:16:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:16:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:16:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:16:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:16:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:16:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:16:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:16:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:16:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:16:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:16:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:16:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:16:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:16:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:16:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:16:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:16:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:16:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:16:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:16:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:16:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:16:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:16:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:16:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:16:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:16:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:16:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:16:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:16:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:16:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:16:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:16:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:16:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:16:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:16:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:16:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:16:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:16:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:16:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:16:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:16:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:16:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:16:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:16:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:16:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:16:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:16:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:16:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:16:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:16:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:16:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:16:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:16:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:16:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:16:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:16:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:16:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:16:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:16:48,656 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:16:48,658 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:16:48,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:16:48 BoogieIcfgContainer [2019-10-07 15:16:48,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:16:48,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:16:48,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:16:48,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:16:48,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:16:46" (1/3) ... [2019-10-07 15:16:48,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0f4165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:16:48, skipping insertion in model container [2019-10-07 15:16:48,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:46" (2/3) ... [2019-10-07 15:16:48,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0f4165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:16:48, skipping insertion in model container [2019-10-07 15:16:48,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:16:48" (3/3) ... [2019-10-07 15:16:48,668 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2019-10-07 15:16:48,678 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:16:48,686 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:16:48,697 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:16:48,727 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:16:48,727 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:16:48,727 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:16:48,727 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:16:48,728 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:16:48,728 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:16:48,728 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:16:48,728 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:16:48,750 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2019-10-07 15:16:48,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:16:48,760 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:48,761 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 15:16:48,763 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:48,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:48,770 INFO L82 PathProgramCache]: Analyzing trace with hash 489199265, now seen corresponding path program 1 times [2019-10-07 15:16:48,778 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:48,779 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:48,779 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:48,779 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:48,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:49,182 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 15:16:49,183 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:49,183 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:49,184 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:16:49,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:16:49,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:16:49,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:16:49,202 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2019-10-07 15:16:49,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:49,241 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2019-10-07 15:16:49,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:16:49,243 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:16:49,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:49,261 INFO L225 Difference]: With dead ends: 228 [2019-10-07 15:16:49,261 INFO L226 Difference]: Without dead ends: 116 [2019-10-07 15:16:49,273 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 15:16:49,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-10-07 15:16:49,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-10-07 15:16:49,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-10-07 15:16:49,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 137 transitions. [2019-10-07 15:16:49,337 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 137 transitions. Word has length 46 [2019-10-07 15:16:49,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:49,338 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 137 transitions. [2019-10-07 15:16:49,338 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:16:49,338 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 137 transitions. [2019-10-07 15:16:49,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:16:49,342 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:49,343 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 15:16:49,343 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:49,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:49,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1936997290, now seen corresponding path program 1 times [2019-10-07 15:16:49,344 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:49,344 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:49,344 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:49,345 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:49,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:49,501 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 15:16:49,501 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:49,502 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:49,502 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:16:49,504 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:16:49,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:16:49,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:16:49,506 INFO L87 Difference]: Start difference. First operand 116 states and 137 transitions. Second operand 3 states. [2019-10-07 15:16:49,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:49,557 INFO L93 Difference]: Finished difference Result 176 states and 208 transitions. [2019-10-07 15:16:49,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:16:49,558 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:16:49,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:49,563 INFO L225 Difference]: With dead ends: 176 [2019-10-07 15:16:49,564 INFO L226 Difference]: Without dead ends: 108 [2019-10-07 15:16:49,567 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 15:16:49,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-10-07 15:16:49,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-10-07 15:16:49,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-07 15:16:49,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2019-10-07 15:16:49,595 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 47 [2019-10-07 15:16:49,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:49,596 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2019-10-07 15:16:49,596 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:16:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2019-10-07 15:16:49,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:16:49,603 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:49,603 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] [2019-10-07 15:16:49,604 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:49,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:49,604 INFO L82 PathProgramCache]: Analyzing trace with hash -811239897, now seen corresponding path program 1 times [2019-10-07 15:16:49,604 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:49,604 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:49,604 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:49,605 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:49,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:49,756 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 15:16:49,785 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:49,786 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:49,786 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:16:49,791 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:16:49,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:16:49,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:16:49,793 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 7 states. [2019-10-07 15:16:50,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:50,249 INFO L93 Difference]: Finished difference Result 320 states and 390 transitions. [2019-10-07 15:16:50,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:16:50,249 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-07 15:16:50,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:50,252 INFO L225 Difference]: With dead ends: 320 [2019-10-07 15:16:50,252 INFO L226 Difference]: Without dead ends: 237 [2019-10-07 15:16:50,254 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 15:16:50,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2019-10-07 15:16:50,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 225. [2019-10-07 15:16:50,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-10-07 15:16:50,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 273 transitions. [2019-10-07 15:16:50,290 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 273 transitions. Word has length 51 [2019-10-07 15:16:50,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:50,290 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 273 transitions. [2019-10-07 15:16:50,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:16:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 273 transitions. [2019-10-07 15:16:50,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-07 15:16:50,293 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:50,294 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] [2019-10-07 15:16:50,294 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:50,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:50,294 INFO L82 PathProgramCache]: Analyzing trace with hash 2101970043, now seen corresponding path program 1 times [2019-10-07 15:16:50,295 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:50,295 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:50,295 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:50,295 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:50,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:50,406 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 15:16:50,406 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:50,407 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:50,407 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:16:50,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:16:50,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:16:50,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:16:50,409 INFO L87 Difference]: Start difference. First operand 225 states and 273 transitions. Second operand 6 states. [2019-10-07 15:16:50,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:50,654 INFO L93 Difference]: Finished difference Result 607 states and 756 transitions. [2019-10-07 15:16:50,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:16:50,658 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-10-07 15:16:50,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:50,667 INFO L225 Difference]: With dead ends: 607 [2019-10-07 15:16:50,668 INFO L226 Difference]: Without dead ends: 407 [2019-10-07 15:16:50,670 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 15:16:50,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2019-10-07 15:16:50,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 395. [2019-10-07 15:16:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2019-10-07 15:16:50,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 483 transitions. [2019-10-07 15:16:50,740 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 483 transitions. Word has length 55 [2019-10-07 15:16:50,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:50,741 INFO L462 AbstractCegarLoop]: Abstraction has 395 states and 483 transitions. [2019-10-07 15:16:50,741 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:16:50,742 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 483 transitions. [2019-10-07 15:16:50,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-07 15:16:50,746 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:50,746 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 15:16:50,747 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:50,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:50,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1919541662, now seen corresponding path program 1 times [2019-10-07 15:16:50,748 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:50,748 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:50,748 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:50,748 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:50,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:50,868 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 15:16:50,868 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:50,869 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:50,869 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:16:50,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:16:50,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:16:50,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:16:50,870 INFO L87 Difference]: Start difference. First operand 395 states and 483 transitions. Second operand 7 states. [2019-10-07 15:16:51,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:51,293 INFO L93 Difference]: Finished difference Result 649 states and 820 transitions. [2019-10-07 15:16:51,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:16:51,296 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-07 15:16:51,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:51,298 INFO L225 Difference]: With dead ends: 649 [2019-10-07 15:16:51,298 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:16:51,301 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 15:16:51,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:16:51,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:16:51,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:16:51,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:16:51,302 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-10-07 15:16:51,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:51,302 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:16:51,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:16:51,303 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:16:51,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:16:51,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:16:52,360 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 412) no Hoare annotation was computed. [2019-10-07 15:16:52,360 INFO L443 ceAbstractionStarter]: For program point L402-2(lines 402 423) no Hoare annotation was computed. [2019-10-07 15:16:52,360 INFO L443 ceAbstractionStarter]: For program point L424(lines 401 425) no Hoare annotation was computed. [2019-10-07 15:16:52,361 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 377 432) no Hoare annotation was computed. [2019-10-07 15:16:52,361 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 377 432) no Hoare annotation was computed. [2019-10-07 15:16:52,361 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-07 15:16:52,361 INFO L443 ceAbstractionStarter]: For program point L478-1(line 478) no Hoare annotation was computed. [2019-10-07 15:16:52,361 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 433 492) no Hoare annotation was computed. [2019-10-07 15:16:52,361 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2019-10-07 15:16:52,361 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 433 492) no Hoare annotation was computed. [2019-10-07 15:16:52,362 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 433 492) no Hoare annotation was computed. [2019-10-07 15:16:52,362 INFO L443 ceAbstractionStarter]: For program point L459-2(lines 459 484) no Hoare annotation was computed. [2019-10-07 15:16:52,362 INFO L443 ceAbstractionStarter]: For program point L485(lines 458 486) no Hoare annotation was computed. [2019-10-07 15:16:52,362 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 712 718) the Hoare annotation is: true [2019-10-07 15:16:52,362 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 712 718) no Hoare annotation was computed. [2019-10-07 15:16:52,363 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 719 727) no Hoare annotation was computed. [2019-10-07 15:16:52,363 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 719 727) the Hoare annotation is: true [2019-10-07 15:16:52,363 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 803 825) 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 15:16:52,363 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 803 825) no Hoare annotation was computed. [2019-10-07 15:16:52,363 INFO L439 ceAbstractionStarter]: At program point L815(line 815) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0))) [2019-10-07 15:16:52,364 INFO L439 ceAbstractionStarter]: At program point L815-1(line 815) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0))) [2019-10-07 15:16:52,364 INFO L443 ceAbstractionStarter]: For program point L813(lines 813 820) no Hoare annotation was computed. [2019-10-07 15:16:52,364 INFO L443 ceAbstractionStarter]: For program point L813-1(lines 813 820) no Hoare annotation was computed. [2019-10-07 15:16:52,364 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-10-07 15:16:52,364 INFO L439 ceAbstractionStarter]: At program point L810(line 810) 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 15:16:52,365 INFO L439 ceAbstractionStarter]: At program point L809(line 809) 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 15:16:52,365 INFO L439 ceAbstractionStarter]: At program point L809-1(line 809) 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 15:16:52,365 INFO L443 ceAbstractionStarter]: For program point L769(line 769) no Hoare annotation was computed. [2019-10-07 15:16:52,365 INFO L443 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2019-10-07 15:16:52,365 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 760 783) no Hoare annotation was computed. [2019-10-07 15:16:52,365 INFO L443 ceAbstractionStarter]: For program point L767(line 767) no Hoare annotation was computed. [2019-10-07 15:16:52,366 INFO L443 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2019-10-07 15:16:52,366 INFO L443 ceAbstractionStarter]: For program point L765(line 765) no Hoare annotation was computed. [2019-10-07 15:16:52,366 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 760 783) no Hoare annotation was computed. [2019-10-07 15:16:52,366 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 760 783) no Hoare annotation was computed. [2019-10-07 15:16:52,366 INFO L443 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2019-10-07 15:16:52,366 INFO L443 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2019-10-07 15:16:52,366 INFO L443 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2019-10-07 15:16:52,367 INFO L443 ceAbstractionStarter]: For program point L775(line 775) no Hoare annotation was computed. [2019-10-07 15:16:52,367 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-07 15:16:52,367 INFO L443 ceAbstractionStarter]: For program point L773(line 773) no Hoare annotation was computed. [2019-10-07 15:16:52,367 INFO L443 ceAbstractionStarter]: For program point L772(line 772) no Hoare annotation was computed. [2019-10-07 15:16:52,367 INFO L443 ceAbstractionStarter]: For program point L771(line 771) no Hoare annotation was computed. [2019-10-07 15:16:52,367 INFO L443 ceAbstractionStarter]: For program point L770(line 770) no Hoare annotation was computed. [2019-10-07 15:16:52,367 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 229 243) no Hoare annotation was computed. [2019-10-07 15:16:52,368 INFO L439 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:16:52,368 INFO L443 ceAbstractionStarter]: For program point L233(lines 233 239) no Hoare annotation was computed. [2019-10-07 15:16:52,368 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 229 243) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))))) [2019-10-07 15:16:52,368 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 165 173) no Hoare annotation was computed. [2019-10-07 15:16:52,368 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 165 173) the Hoare annotation is: true [2019-10-07 15:16:52,369 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 210 228) the Hoare annotation is: true [2019-10-07 15:16:52,369 INFO L446 ceAbstractionStarter]: At program point L217(line 217) the Hoare annotation is: true [2019-10-07 15:16:52,369 INFO L443 ceAbstractionStarter]: For program point L217-1(line 217) no Hoare annotation was computed. [2019-10-07 15:16:52,369 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 210 228) no Hoare annotation was computed. [2019-10-07 15:16:52,369 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-10-07 15:16:52,369 INFO L443 ceAbstractionStarter]: For program point L204-1(line 204) no Hoare annotation was computed. [2019-10-07 15:16:52,369 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 174 209) no Hoare annotation was computed. [2019-10-07 15:16:52,370 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 174 209) no Hoare annotation was computed. [2019-10-07 15:16:52,370 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 705 711) no Hoare annotation was computed. [2019-10-07 15:16:52,370 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 705 711) the Hoare annotation is: true [2019-10-07 15:16:52,370 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 331 376) no Hoare annotation was computed. [2019-10-07 15:16:52,370 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 331 376) no Hoare annotation was computed. [2019-10-07 15:16:52,370 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 644 689) no Hoare annotation was computed. [2019-10-07 15:16:52,371 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 644 689) no Hoare annotation was computed. [2019-10-07 15:16:52,371 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 792 802) 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 15:16:52,371 INFO L439 ceAbstractionStarter]: At program point L797(line 797) 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 15:16:52,371 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 792 802) no Hoare annotation was computed. [2019-10-07 15:16:52,371 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 792 802) no Hoare annotation was computed. [2019-10-07 15:16:52,372 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 154 164) the Hoare annotation is: true [2019-10-07 15:16:52,372 INFO L446 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2019-10-07 15:16:52,372 INFO L443 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2019-10-07 15:16:52,372 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 154 164) no Hoare annotation was computed. [2019-10-07 15:16:52,372 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 146 153) the Hoare annotation is: true [2019-10-07 15:16:52,372 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 146 153) no Hoare annotation was computed. [2019-10-07 15:16:52,373 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:16:52,373 INFO L439 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:16:52,373 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2019-10-07 15:16:52,373 INFO L439 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:16:52,373 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 113 137) no Hoare annotation was computed. [2019-10-07 15:16:52,373 INFO L443 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2019-10-07 15:16:52,374 INFO L443 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2019-10-07 15:16:52,374 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 113 137) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:16:52,374 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:16:52,374 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2019-10-07 15:16:52,374 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2019-10-07 15:16:52,375 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2019-10-07 15:16:52,375 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 256 323) 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 15:16:52,375 INFO L439 ceAbstractionStarter]: At program point L316(lines 265 317) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:52,375 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 256 323) no Hoare annotation was computed. [2019-10-07 15:16:52,375 INFO L439 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:52,375 INFO L443 ceAbstractionStarter]: For program point L304(lines 304 310) no Hoare annotation was computed. [2019-10-07 15:16:52,375 INFO L439 ceAbstractionStarter]: At program point L304-1(lines 296 311) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:52,376 INFO L443 ceAbstractionStarter]: For program point L267(lines 266 315) no Hoare annotation was computed. [2019-10-07 15:16:52,376 INFO L439 ceAbstractionStarter]: At program point L298(line 298) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:52,376 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 311) no Hoare annotation was computed. [2019-10-07 15:16:52,376 INFO L439 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:52,376 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 292) no Hoare annotation was computed. [2019-10-07 15:16:52,377 INFO L443 ceAbstractionStarter]: For program point L286-1(lines 286 292) no Hoare annotation was computed. [2019-10-07 15:16:52,377 INFO L439 ceAbstractionStarter]: At program point L313(lines 266 315) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:52,377 INFO L439 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:52,377 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 282) no Hoare annotation was computed. [2019-10-07 15:16:52,377 INFO L443 ceAbstractionStarter]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2019-10-07 15:16:52,377 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 256 323) no Hoare annotation was computed. [2019-10-07 15:16:52,378 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 598 643) no Hoare annotation was computed. [2019-10-07 15:16:52,378 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 598 643) no Hoare annotation was computed. [2019-10-07 15:16:52,378 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 956 964) the Hoare annotation is: true [2019-10-07 15:16:52,378 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 956 964) no Hoare annotation was computed. [2019-10-07 15:16:52,378 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:16:52,378 INFO L443 ceAbstractionStarter]: For program point L850(lines 850 856) no Hoare annotation was computed. [2019-10-07 15:16:52,378 INFO L443 ceAbstractionStarter]: For program point L849(lines 849 859) no Hoare annotation was computed. [2019-10-07 15:16:52,379 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 837 865) the Hoare annotation is: true [2019-10-07 15:16:52,379 INFO L439 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:16:52,379 INFO L443 ceAbstractionStarter]: For program point L847-1(line 847) no Hoare annotation was computed. [2019-10-07 15:16:52,379 INFO L443 ceAbstractionStarter]: For program point L845(lines 845 862) no Hoare annotation was computed. [2019-10-07 15:16:52,379 INFO L443 ceAbstractionStarter]: For program point L845-1(lines 837 865) no Hoare annotation was computed. [2019-10-07 15:16:52,379 INFO L446 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: true [2019-10-07 15:16:52,379 INFO L443 ceAbstractionStarter]: For program point L843-1(line 843) no Hoare annotation was computed. [2019-10-07 15:16:52,380 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 837 865) no Hoare annotation was computed. [2019-10-07 15:16:52,380 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 924 946) no Hoare annotation was computed. [2019-10-07 15:16:52,380 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 924 946) no Hoare annotation was computed. [2019-10-07 15:16:52,380 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 829 836) the Hoare annotation is: true [2019-10-07 15:16:52,380 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 829 836) no Hoare annotation was computed. [2019-10-07 15:16:52,380 INFO L443 ceAbstractionStarter]: For program point L545(lines 544 564) no Hoare annotation was computed. [2019-10-07 15:16:52,380 INFO L443 ceAbstractionStarter]: For program point L576(line 576) no Hoare annotation was computed. [2019-10-07 15:16:52,380 INFO L443 ceAbstractionStarter]: For program point L576-1(line 576) no Hoare annotation was computed. [2019-10-07 15:16:52,381 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 495 597) no Hoare annotation was computed. [2019-10-07 15:16:52,381 INFO L443 ceAbstractionStarter]: For program point L541(lines 541 582) no Hoare annotation was computed. [2019-10-07 15:16:52,381 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-07 15:16:52,381 INFO L443 ceAbstractionStarter]: For program point L560-1(line 560) no Hoare annotation was computed. [2019-10-07 15:16:52,381 INFO L443 ceAbstractionStarter]: For program point L519(lines 519 523) no Hoare annotation was computed. [2019-10-07 15:16:52,381 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 495 597) no Hoare annotation was computed. [2019-10-07 15:16:52,381 INFO L443 ceAbstractionStarter]: For program point L544-2(lines 544 564) no Hoare annotation was computed. [2019-10-07 15:16:52,382 INFO L443 ceAbstractionStarter]: For program point L565(lines 543 566) no Hoare annotation was computed. [2019-10-07 15:16:52,382 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 495 597) no Hoare annotation was computed. [2019-10-07 15:16:52,382 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 540) no Hoare annotation was computed. [2019-10-07 15:16:52,382 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 695 704) no Hoare annotation was computed. [2019-10-07 15:16:52,383 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 695 704) no Hoare annotation was computed. [2019-10-07 15:16:52,383 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:16:52,383 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:52,384 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 138 145) no Hoare annotation was computed. [2019-10-07 15:16:52,384 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 138 145) no Hoare annotation was computed. [2019-10-07 15:16:52,384 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 947 955) no Hoare annotation was computed. [2019-10-07 15:16:52,384 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 947 955) no Hoare annotation was computed. [2019-10-07 15:16:52,384 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 903 914) the Hoare annotation is: true [2019-10-07 15:16:52,384 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 903 914) no Hoare annotation was computed. [2019-10-07 15:16:52,384 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:52,385 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:16:52,385 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 915 923) the Hoare annotation is: true [2019-10-07 15:16:52,385 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 915 923) no Hoare annotation was computed. [2019-10-07 15:16:52,385 INFO L439 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:16:52,385 INFO L443 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2019-10-07 15:16:52,385 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:16:52,385 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2019-10-07 15:16:52,385 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2019-10-07 15:16:52,386 INFO L439 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-07 15:16:52,386 INFO L439 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:16:52,386 INFO L446 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: true [2019-10-07 15:16:52,387 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 730 759) no Hoare annotation was computed. [2019-10-07 15:16:52,387 INFO L443 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2019-10-07 15:16:52,387 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 730 759) the Hoare annotation is: true [2019-10-07 15:16:52,388 INFO L446 ceAbstractionStarter]: At program point L755(lines 730 759) the Hoare annotation is: true [2019-10-07 15:16:52,388 INFO L443 ceAbstractionStarter]: For program point L751(line 751) no Hoare annotation was computed. [2019-10-07 15:16:52,388 INFO L443 ceAbstractionStarter]: For program point L744(lines 744 748) no Hoare annotation was computed. [2019-10-07 15:16:52,388 INFO L446 ceAbstractionStarter]: At program point L744-1(lines 744 748) the Hoare annotation is: true [2019-10-07 15:16:52,388 INFO L446 ceAbstractionStarter]: At program point L740-2(lines 740 754) the Hoare annotation is: true [2019-10-07 15:16:52,388 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 879 890) the Hoare annotation is: true [2019-10-07 15:16:52,389 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 879 890) no Hoare annotation was computed. [2019-10-07 15:16:52,389 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 784 790) no Hoare annotation was computed. [2019-10-07 15:16:52,389 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 784 790) the Hoare annotation is: true [2019-10-07 15:16:52,389 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:52,389 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 15:16:52,389 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:16:52,390 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:16:52,390 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 244 251) no Hoare annotation was computed. [2019-10-07 15:16:52,390 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 244 251) the Hoare annotation is: true [2019-10-07 15:16:52,390 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 891 902) no Hoare annotation was computed. [2019-10-07 15:16:52,391 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 891 902) the Hoare annotation is: true [2019-10-07 15:16:52,391 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2019-10-07 15:16:52,391 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 867 874) the Hoare annotation is: true [2019-10-07 15:16:52,391 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 867 874) no Hoare annotation was computed. [2019-10-07 15:16:52,392 INFO L439 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:16:52,392 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2019-10-07 15:16:52,392 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2019-10-07 15:16:52,392 INFO L439 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:16:52,392 INFO L443 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2019-10-07 15:16:52,392 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2019-10-07 15:16:52,393 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 87 111) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:16:52,393 INFO L439 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:16:52,393 INFO L443 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2019-10-07 15:16:52,393 INFO L439 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:16:52,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:16:52 BoogieIcfgContainer [2019-10-07 15:16:52,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:16:52,427 INFO L168 Benchmark]: Toolchain (without parser) took 6403.66 ms. Allocated memory was 136.8 MB in the beginning and 298.8 MB in the end (delta: 162.0 MB). Free memory was 100.3 MB in the beginning and 173.7 MB in the end (delta: -73.4 MB). Peak memory consumption was 129.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:52,428 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:16:52,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.40 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 100.1 MB in the beginning and 168.9 MB in the end (delta: -68.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:52,432 INFO L168 Benchmark]: Boogie Preprocessor took 89.66 ms. Allocated memory is still 201.3 MB. Free memory was 168.9 MB in the beginning and 164.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:52,433 INFO L168 Benchmark]: RCFGBuilder took 1881.30 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 164.7 MB in the beginning and 147.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:52,435 INFO L168 Benchmark]: TraceAbstraction took 3763.17 ms. Allocated memory was 231.2 MB in the beginning and 298.8 MB in the end (delta: 67.6 MB). Free memory was 147.9 MB in the beginning and 173.7 MB in the end (delta: -25.8 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:52,448 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.40 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 100.1 MB in the beginning and 168.9 MB in the end (delta: -68.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.66 ms. Allocated memory is still 201.3 MB. Free memory was 168.9 MB in the beginning and 164.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1881.30 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 164.7 MB in the beginning and 147.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3763.17 ms. Allocated memory was 231.2 MB in the beginning and 298.8 MB in the end (delta: 67.6 MB). Free memory was 147.9 MB in the beginning and 173.7 MB in the end (delta: -25.8 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 871]: 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: 265]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 190 locations, 1 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, HoareTripleCheckerStatistics: 648 SDtfs, 368 SDslu, 1207 SDs, 0 SdLazy, 463 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s 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=395occurred 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, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 586 PreInvPairs, 630 NumberOfFragments, 561 HoareAnnotationTreeSize, 586 FomulaSimplifications, 447 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 63 FomulaSimplificationsInter, 2090 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 23970 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...