java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:18:56,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:18:56,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:18:56,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:18:56,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:18:56,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:18:56,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:18:56,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:18:56,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:18:56,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:18:56,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:18:56,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:18:56,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:18:56,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:18:56,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:18:56,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:18:56,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:18:56,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:18:56,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:18:56,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:18:56,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:18:56,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:18:56,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:18:56,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:18:56,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:18:56,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:18:56,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:18:56,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:18:56,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:18:56,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:18:56,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:18:56,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:18:56,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:18:56,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:18:56,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:18:56,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:18:56,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:18:56,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:18:56,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:18:56,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:18:56,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:18:56,859 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 [2019-09-19 17:18:56,873 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:18:56,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:18:56,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:18:56,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:18:56,875 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:18:56,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:18:56,875 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:18:56,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:18:56,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:18:56,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:18:56,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:18:56,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:18:56,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:18:56,877 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:18:56,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:18:56,877 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:18:56,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:18:56,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:18:56,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:18:56,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:18:56,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:18:56,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:18:56,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:18:56,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:18:56,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:18:56,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:18:56,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:18:56,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:18:56,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 17:18:56,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:18:56,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:18:56,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:18:56,933 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:18:56,934 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:18:56,935 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c [2019-09-19 17:18:56,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/065fdc987/843e9baeb1a04dedb6f7bf91490c7dd9/FLAGd845af77f [2019-09-19 17:18:57,492 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:18:57,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c [2019-09-19 17:18:57,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/065fdc987/843e9baeb1a04dedb6f7bf91490c7dd9/FLAGd845af77f [2019-09-19 17:18:57,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/065fdc987/843e9baeb1a04dedb6f7bf91490c7dd9 [2019-09-19 17:18:57,781 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:18:57,783 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:18:57,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:18:57,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:18:57,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:18:57,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:18:57" (1/1) ... [2019-09-19 17:18:57,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5038e766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:57, skipping insertion in model container [2019-09-19 17:18:57,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:18:57" (1/1) ... [2019-09-19 17:18:57,799 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:18:57,844 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:18:58,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:18:58,367 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:18:58,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:18:58,501 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:18:58,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:58 WrapperNode [2019-09-19 17:18:58,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:18:58,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:18:58,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:18:58,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:18:58,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:58" (1/1) ... [2019-09-19 17:18:58,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:58" (1/1) ... [2019-09-19 17:18:58,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:58" (1/1) ... [2019-09-19 17:18:58,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:58" (1/1) ... [2019-09-19 17:18:58,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:58" (1/1) ... [2019-09-19 17:18:58,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:58" (1/1) ... [2019-09-19 17:18:58,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:58" (1/1) ... [2019-09-19 17:18:58,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:18:58,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:18:58,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:18:58,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:18:58,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:18:58" (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 [2019-09-19 17:18:58,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:18:58,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:18:58,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 17:18:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 17:18:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 17:18:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 17:18:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 17:18:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 17:18:58,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 17:18:58,666 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 17:18:58,666 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 17:18:58,666 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 17:18:58,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 17:18:58,667 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 17:18:58,667 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 17:18:58,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 17:18:58,667 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 17:18:58,667 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 17:18:58,667 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 17:18:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 17:18:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-19 17:18:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 17:18:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 17:18:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 17:18:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 17:18:58,669 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 17:18:58,669 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 17:18:58,669 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 17:18:58,669 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 17:18:58,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 17:18:58,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 17:18:58,670 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 17:18:58,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 17:18:58,670 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 17:18:58,670 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 17:18:58,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 17:18:58,670 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 17:18:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 17:18:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 17:18:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 17:18:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:18:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:18:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:18:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 17:18:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 17:18:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 17:18:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 17:18:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 17:18:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 17:18:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 17:18:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 17:18:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 17:18:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 17:18:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 17:18:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 17:18:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 17:18:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 17:18:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 17:18:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 17:18:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 17:18:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 17:18:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 17:18:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 17:18:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 17:18:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 17:18:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 17:18:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 17:18:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 17:18:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 17:18:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 17:18:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 17:18:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 17:18:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 17:18:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 17:18:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-19 17:18:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 17:18:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 17:18:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 17:18:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 17:18:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 17:18:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 17:18:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 17:18:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 17:18:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 17:18:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 17:18:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 17:18:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 17:18:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 17:18:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 17:18:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 17:18:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 17:18:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 17:18:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:18:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:18:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 17:18:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:19:00,130 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:19:00,130 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 17:19:00,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:19:00 BoogieIcfgContainer [2019-09-19 17:19:00,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:19:00,133 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:19:00,133 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:19:00,133 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:19:00,134 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:19:00" (1/1) ... [2019-09-19 17:19:00,135 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-19 17:19:00,158 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:19:00,158 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:19:00,167 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:19:00,176 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:19:00,177 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:19:20,530 WARN L191 SmtUtils]: Spent 11.76 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 17:19:22,275 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 17:19:25,998 WARN L191 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 17:19:27,733 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 17:19:29,460 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 17:19:29,496 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 13 for LOIs [2019-09-19 17:19:29,531 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 13 for LOIs [2019-09-19 17:19:29,534 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 13 for LOIs [2019-09-19 17:19:31,530 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-19 17:19:31,561 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 17:19:31,579 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-19 17:19:31,585 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 1 for LOIs [2019-09-19 17:19:31,587 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:19:31,587 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:19:31,589 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1190#true [2019-09-19 17:19:31,604 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:19:31,604 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:19:31,607 INFO L168 Benchmark]: Toolchain (without parser) took 33822.96 ms. Allocated memory was 130.0 MB in the beginning and 488.1 MB in the end (delta: 358.1 MB). Free memory was 84.6 MB in the beginning and 434.8 MB in the end (delta: -350.2 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2019-09-19 17:19:31,608 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 130.0 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-19 17:19:31,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.46 ms. Allocated memory was 130.0 MB in the beginning and 197.7 MB in the end (delta: 67.6 MB). Free memory was 84.4 MB in the beginning and 162.1 MB in the end (delta: -77.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-09-19 17:19:31,612 INFO L168 Benchmark]: Boogie Preprocessor took 97.33 ms. Allocated memory is still 197.7 MB. Free memory was 162.1 MB in the beginning and 158.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-19 17:19:31,619 INFO L168 Benchmark]: RCFGBuilder took 1532.06 ms. Allocated memory was 197.7 MB in the beginning and 216.0 MB in the end (delta: 18.4 MB). Free memory was 157.4 MB in the beginning and 141.1 MB in the end (delta: 16.4 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. [2019-09-19 17:19:31,619 INFO L168 Benchmark]: Sifa took 31471.43 ms. Allocated memory was 216.0 MB in the beginning and 488.1 MB in the end (delta: 272.1 MB). Free memory was 141.1 MB in the beginning and 434.8 MB in the end (delta: -293.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 17:19:31,628 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 130.0 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 718.46 ms. Allocated memory was 130.0 MB in the beginning and 197.7 MB in the end (delta: 67.6 MB). Free memory was 84.4 MB in the beginning and 162.1 MB in the end (delta: -77.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.33 ms. Allocated memory is still 197.7 MB. Free memory was 162.1 MB in the beginning and 158.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1532.06 ms. Allocated memory was 197.7 MB in the beginning and 216.0 MB in the end (delta: 18.4 MB). Free memory was 157.4 MB in the beginning and 141.1 MB in the end (delta: 16.4 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. * Sifa took 31471.43 ms. Allocated memory was 216.0 MB in the beginning and 488.1 MB in the end (delta: 272.1 MB). Free memory was 141.1 MB in the beginning and 434.8 MB in the end (delta: -293.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 31431, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 387, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 254, TOOLS_POST_TIME[ms]: 25805, TOOLS_POST_CALL_APPLICATIONS: 104, TOOLS_POST_CALL_TIME[ms]: 63, TOOLS_POST_RETURN_APPLICATIONS: 95, TOOLS_POST_RETURN_TIME[ms]: 44, TOOLS_QUANTIFIERELIM_APPLICATIONS: 453, TOOLS_QUANTIFIERELIM_TIME[ms]: 25840, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 25751, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 397, FLUID_YES_ANSWERS: 397, DOMAIN_JOIN_APPLICATIONS: 133, DOMAIN_JOIN_TIME[ms]: 4842, DOMAIN_ALPHA_APPLICATIONS: 397, DOMAIN_ALPHA_TIME[ms]: 457, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 84, DOMAIN_ISBOTTOM_TIME[ms]: 75, LOOP_SUMMARIZER_APPLICATIONS: 10, LOOP_SUMMARIZER_CACHE_MISSES: 10, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1566, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1565, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 95, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 29719, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29718, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 646, DAG_COMPRESSION_RETAINED_NODES: 296 - UnprovableResult [Line: 866]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1190#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...