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 SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 18:59:02,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 18:59:02,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 18:59:02,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 18:59:02,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 18:59:02,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 18:59:02,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 18:59:02,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 18:59:02,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 18:59:02,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 18:59:02,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 18:59:02,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 18:59:02,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 18:59:02,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 18:59:02,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 18:59:02,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 18:59:02,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 18:59:02,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 18:59:02,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 18:59:02,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 18:59:02,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 18:59:02,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 18:59:02,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 18:59:02,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 18:59:02,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 18:59:02,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 18:59:02,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 18:59:02,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 18:59:02,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 18:59:02,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 18:59:02,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 18:59:02,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 18:59:02,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 18:59:02,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 18:59:02,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 18:59:02,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 18:59:02,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 18:59:02,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 18:59:02,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 18:59:02,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 18:59:02,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 18:59:02,867 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 [2019-09-16 18:59:02,893 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 18:59:02,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 18:59:02,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 18:59:02,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 18:59:02,896 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 18:59:02,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 18:59:02,897 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 18:59:02,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 18:59:02,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 18:59:02,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 18:59:02,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 18:59:02,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 18:59:02,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 18:59:02,899 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 18:59:02,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 18:59:02,900 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 18:59:02,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 18:59:02,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 18:59:02,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 18:59:02,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 18:59:02,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 18:59:02,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 18:59:02,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 18:59:02,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 18:59:02,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 18:59:02,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 18:59:02,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 18:59:02,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 18:59:02,903 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 -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-16 18:59:02,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 18:59:02,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 18:59:02,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 18:59:02,958 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 18:59:02,958 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 18:59:02,959 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2019-09-16 18:59:03,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/099686dca/10334423be16402da22e8355631e94b5/FLAG579655c21 [2019-09-16 18:59:03,611 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 18:59:03,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2019-09-16 18:59:03,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/099686dca/10334423be16402da22e8355631e94b5/FLAG579655c21 [2019-09-16 18:59:03,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/099686dca/10334423be16402da22e8355631e94b5 [2019-09-16 18:59:03,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 18:59:03,862 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 18:59:03,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 18:59:03,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 18:59:03,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 18:59:03,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 06:59:03" (1/1) ... [2019-09-16 18:59:03,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2145c95a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:59:03, skipping insertion in model container [2019-09-16 18:59:03,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 06:59:03" (1/1) ... [2019-09-16 18:59:03,878 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 18:59:03,927 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 18:59:04,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 18:59:04,364 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 18:59:04,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 18:59:04,557 INFO L192 MainTranslator]: Completed translation [2019-09-16 18:59:04,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:59:04 WrapperNode [2019-09-16 18:59:04,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 18:59:04,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 18:59:04,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 18:59:04,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 18:59:04,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:59:04" (1/1) ... [2019-09-16 18:59:04,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:59:04" (1/1) ... [2019-09-16 18:59:04,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:59:04" (1/1) ... [2019-09-16 18:59:04,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:59:04" (1/1) ... [2019-09-16 18:59:04,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:59:04" (1/1) ... [2019-09-16 18:59:04,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:59:04" (1/1) ... [2019-09-16 18:59:04,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:59:04" (1/1) ... [2019-09-16 18:59:04,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 18:59:04,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 18:59:04,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 18:59:04,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 18:59:04,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:59:04" (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 [2019-09-16 18:59:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 18:59:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 18:59:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 18:59:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 18:59:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 18:59:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 18:59:04,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 18:59:04,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 18:59:04,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 18:59:04,755 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 18:59:04,755 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 18:59:04,756 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 18:59:04,756 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 18:59:04,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 18:59:04,756 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 18:59:04,757 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 18:59:04,759 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-16 18:59:04,759 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 18:59:04,759 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 18:59:04,759 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 18:59:04,760 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 18:59:04,760 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 18:59:04,760 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 18:59:04,760 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 18:59:04,760 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-16 18:59:04,760 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 18:59:04,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 18:59:04,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-16 18:59:04,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-16 18:59:04,761 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 18:59:04,761 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 18:59:04,762 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 18:59:04,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 18:59:04,762 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 18:59:04,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 18:59:04,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 18:59:04,762 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 18:59:04,762 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 18:59:04,763 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 18:59:04,763 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 18:59:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 18:59:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 18:59:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 18:59:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 18:59:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 18:59:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 18:59:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 18:59:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 18:59:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 18:59:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 18:59:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 18:59:04,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 18:59:04,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 18:59:04,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 18:59:04,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 18:59:04,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 18:59:04,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 18:59:04,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 18:59:04,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 18:59:04,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 18:59:04,767 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 18:59:04,767 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 18:59:04,767 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 18:59:04,767 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 18:59:04,767 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 18:59:04,768 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 18:59:04,768 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 18:59:04,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-16 18:59:04,768 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 18:59:04,768 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 18:59:04,768 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 18:59:04,768 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 18:59:04,769 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 18:59:04,769 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 18:59:04,770 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 18:59:04,770 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 18:59:04,770 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 18:59:04,771 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 18:59:04,771 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 18:59:04,771 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 18:59:04,771 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 18:59:04,772 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-16 18:59:04,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-16 18:59:04,772 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 18:59:04,773 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 18:59:04,773 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 18:59:04,773 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-16 18:59:04,774 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 18:59:04,774 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 18:59:04,774 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 18:59:04,774 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 18:59:04,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 18:59:04,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 18:59:04,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 18:59:06,270 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 18:59:06,270 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 18:59:06,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 06:59:06 BoogieIcfgContainer [2019-09-16 18:59:06,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 18:59:06,272 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 18:59:06,273 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 18:59:06,273 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 18:59:06,274 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 06:59:06" (1/1) ... [2019-09-16 18:59:06,275 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ 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=SizeLimitFluid [2019-09-16 18:59:06,297 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 18:59:06,298 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 18:59:06,305 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 18:59:06,313 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 18:59:06,315 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 18:59:29,176 WARN L191 SmtUtils]: Spent 13.43 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-16 18:59:30,820 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-16 18:59:34,711 WARN L191 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-16 18:59:36,470 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-16 18:59:38,184 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-16 18:59:38,200 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-16 18:59:38,271 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-16 18:59:38,297 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-16 18:59:49,472 WARN L191 SmtUtils]: Spent 11.11 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-16 18:59:55,029 WARN L191 SmtUtils]: Spent 5.56 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-16 19:00:13,411 WARN L191 SmtUtils]: Spent 18.31 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-16 19:00:22,575 WARN L191 SmtUtils]: Spent 9.16 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-16 19:00:55,203 WARN L191 SmtUtils]: Spent 32.55 s on a formula simplification. DAG size of input: 484 DAG size of output: 484 [2019-09-16 19:01:11,496 WARN L191 SmtUtils]: Spent 16.29 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-16 19:01:30,445 WARN L191 SmtUtils]: Spent 18.15 s on a formula simplification. DAG size of input: 478 DAG size of output: 468 [2019-09-16 19:01:39,401 WARN L191 SmtUtils]: Spent 8.95 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-16 19:01:50,187 WARN L191 SmtUtils]: Spent 10.75 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-16 19:01:50,517 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-16 19:01:51,048 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-16 19:01:51,096 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-16 19:01:51,516 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-16 19:01:51,668 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 15 for LOIs [2019-09-16 19:01:51,671 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 27 for LOIs [2019-09-16 19:01:51,726 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 19:01:51,726 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 19:01:51,729 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 381#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (or (= 0 ~waterLevel~0) (= 0 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2019-09-16 19:01:51,744 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 19:01:51,745 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 19:01:51,747 INFO L168 Benchmark]: Toolchain (without parser) took 167884.32 ms. Allocated memory was 132.1 MB in the beginning and 163.1 MB in the end (delta: 30.9 MB). Free memory was 84.0 MB in the beginning and 112.4 MB in the end (delta: -28.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-16 19:01:51,748 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 19:01:51,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.86 ms. Allocated memory was 132.1 MB in the beginning and 198.2 MB in the end (delta: 66.1 MB). Free memory was 83.7 MB in the beginning and 161.2 MB in the end (delta: -77.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-09-16 19:01:51,750 INFO L168 Benchmark]: Boogie Preprocessor took 102.35 ms. Allocated memory is still 198.2 MB. Free memory was 161.2 MB in the beginning and 156.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-16 19:01:51,750 INFO L168 Benchmark]: RCFGBuilder took 1610.68 ms. Allocated memory was 198.2 MB in the beginning and 217.6 MB in the end (delta: 19.4 MB). Free memory was 156.7 MB in the beginning and 139.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 92.6 MB. Max. memory is 7.1 GB. [2019-09-16 19:01:51,751 INFO L168 Benchmark]: Sifa took 165472.46 ms. Allocated memory was 217.6 MB in the beginning and 163.1 MB in the end (delta: -54.5 MB). Free memory was 139.6 MB in the beginning and 112.4 MB in the end (delta: 27.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 19:01:51,755 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 132.1 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 694.86 ms. Allocated memory was 132.1 MB in the beginning and 198.2 MB in the end (delta: 66.1 MB). Free memory was 83.7 MB in the beginning and 161.2 MB in the end (delta: -77.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.35 ms. Allocated memory is still 198.2 MB. Free memory was 161.2 MB in the beginning and 156.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1610.68 ms. Allocated memory was 198.2 MB in the beginning and 217.6 MB in the end (delta: 19.4 MB). Free memory was 156.7 MB in the beginning and 139.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 92.6 MB. Max. memory is 7.1 GB. * Sifa took 165472.46 ms. Allocated memory was 217.6 MB in the beginning and 163.1 MB in the end (delta: -54.5 MB). Free memory was 139.6 MB in the beginning and 112.4 MB in the end (delta: 27.2 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]: 165432, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 196, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 127, TOOLS_POST_TIME[ms]: 28397, TOOLS_POST_CALL_APPLICATIONS: 59, TOOLS_POST_CALL_TIME[ms]: 135, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 74, TOOLS_QUANTIFIERELIM_APPLICATIONS: 236, TOOLS_QUANTIFIERELIM_TIME[ms]: 28526, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28337, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 203, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 59, DOMAIN_JOIN_TIME[ms]: 125458, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 11076, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 37, DOMAIN_ISBOTTOM_APPLICATIONS: 27, DOMAIN_ISBOTTOM_TIME[ms]: 124, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 132871, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 132870, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 32789, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 32788, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 334, DAG_COMPRESSION_RETAINED_NODES: 191 - UnprovableResult [Line: 778]: 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 381#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (or (= 0 ~waterLevel~0) (= 0 ~systemActive~0)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...