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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 23:31:37,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 23:31:37,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 23:31:37,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 23:31:37,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 23:31:37,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 23:31:37,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 23:31:37,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 23:31:37,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 23:31:37,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 23:31:37,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 23:31:37,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 23:31:37,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 23:31:37,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 23:31:37,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 23:31:37,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 23:31:37,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 23:31:37,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 23:31:37,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 23:31:37,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 23:31:37,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 23:31:37,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 23:31:37,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 23:31:37,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 23:31:37,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 23:31:37,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 23:31:37,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 23:31:37,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 23:31:37,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 23:31:37,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 23:31:37,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 23:31:37,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 23:31:37,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 23:31:37,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 23:31:37,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 23:31:37,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 23:31:37,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 23:31:37,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 23:31:37,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 23:31:38,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 23:31:38,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 23:31:38,002 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 23:31:38,016 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 23:31:38,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 23:31:38,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 23:31:38,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 23:31:38,017 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 23:31:38,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 23:31:38,018 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 23:31:38,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 23:31:38,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 23:31:38,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 23:31:38,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 23:31:38,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 23:31:38,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 23:31:38,019 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 23:31:38,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 23:31:38,020 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 23:31:38,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 23:31:38,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 23:31:38,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 23:31:38,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 23:31:38,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 23:31:38,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 23:31:38,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 23:31:38,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 23:31:38,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 23:31:38,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 23:31:38,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 23:31:38,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 23:31:38,022 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 23:31:38,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 23:31:38,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 23:31:38,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 23:31:38,085 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 23:31:38,085 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 23:31:38,086 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2019-09-19 23:31:38,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1591141b9/70fabef469e44efe8f125aa7c5cba08e/FLAGa64635bf8 [2019-09-19 23:31:38,737 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 23:31:38,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2019-09-19 23:31:38,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1591141b9/70fabef469e44efe8f125aa7c5cba08e/FLAGa64635bf8 [2019-09-19 23:31:39,017 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1591141b9/70fabef469e44efe8f125aa7c5cba08e [2019-09-19 23:31:39,025 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 23:31:39,026 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 23:31:39,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 23:31:39,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 23:31:39,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 23:31:39,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:31:39" (1/1) ... [2019-09-19 23:31:39,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6da0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:31:39, skipping insertion in model container [2019-09-19 23:31:39,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:31:39" (1/1) ... [2019-09-19 23:31:39,043 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 23:31:39,084 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 23:31:39,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:31:39,617 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 23:31:39,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:31:39,738 INFO L192 MainTranslator]: Completed translation [2019-09-19 23:31:39,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:31:39 WrapperNode [2019-09-19 23:31:39,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 23:31:39,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 23:31:39,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 23:31:39,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 23:31:39,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:31:39" (1/1) ... [2019-09-19 23:31:39,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:31:39" (1/1) ... [2019-09-19 23:31:39,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:31:39" (1/1) ... [2019-09-19 23:31:39,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:31:39" (1/1) ... [2019-09-19 23:31:39,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:31:39" (1/1) ... [2019-09-19 23:31:39,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:31:39" (1/1) ... [2019-09-19 23:31:39,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:31:39" (1/1) ... [2019-09-19 23:31:39,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 23:31:39,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 23:31:39,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 23:31:39,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 23:31:39,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:31:39" (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 23:31:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 23:31:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 23:31:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 23:31:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 23:31:39,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 23:31:39,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 23:31:39,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 23:31:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 23:31:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 23:31:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 23:31:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-19 23:31:39,913 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 23:31:39,913 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 23:31:39,914 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 23:31:39,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 23:31:39,914 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 23:31:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 23:31:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 23:31:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 23:31:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 23:31:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-19 23:31:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 23:31:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 23:31:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 23:31:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 23:31:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 23:31:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 23:31:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 23:31:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 23:31:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 23:31:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 23:31:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 23:31:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 23:31:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 23:31:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 23:31:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 23:31:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 23:31:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 23:31:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 23:31:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 23:31:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 23:31:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 23:31:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 23:31:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 23:31:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 23:31:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 23:31:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 23:31:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 23:31:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 23:31:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 23:31:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 23:31:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 23:31:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 23:31:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 23:31:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 23:31:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 23:31:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 23:31:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 23:31:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-19 23:31:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 23:31:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 23:31:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 23:31:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 23:31:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 23:31:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 23:31:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 23:31:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 23:31:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 23:31:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 23:31:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 23:31:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 23:31:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-19 23:31:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 23:31:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 23:31:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 23:31:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 23:31:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 23:31:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 23:31:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 23:31:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 23:31:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 23:31:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 23:31:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 23:31:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 23:31:41,423 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 23:31:41,423 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 23:31:41,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:31:41 BoogieIcfgContainer [2019-09-19 23:31:41,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 23:31:41,425 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 23:31:41,425 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 23:31:41,426 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 23:31:41,427 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:31:41" (1/1) ... [2019-09-19 23:31:41,427 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-19 23:31:41,453 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 23:31:41,454 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 23:31:41,462 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 23:31:41,471 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 23:31:41,472 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 23:32:05,046 WARN L191 SmtUtils]: Spent 13.82 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 23:32:06,690 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 23:32:10,428 WARN L191 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 23:32:12,171 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 23:32:13,841 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 23:32:13,862 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 426 for LOIs [2019-09-19 23:32:13,936 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 426 for LOIs [2019-09-19 23:32:13,941 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 426 for LOIs [2019-09-19 23:32:24,632 WARN L191 SmtUtils]: Spent 10.58 s on a formula simplification. DAG size of input: 439 DAG size of output: 438 [2019-09-19 23:32:29,847 WARN L191 SmtUtils]: Spent 5.21 s on a formula simplification that was a NOOP. DAG size: 438 [2019-09-19 23:32:40,362 WARN L191 SmtUtils]: Spent 10.51 s on a formula simplification. DAG size of input: 439 DAG size of output: 438 [2019-09-19 23:32:45,623 WARN L191 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 438 [2019-09-19 23:32:56,054 WARN L191 SmtUtils]: Spent 10.43 s on a formula simplification. DAG size of input: 439 DAG size of output: 438 [2019-09-19 23:33:01,266 WARN L191 SmtUtils]: Spent 5.21 s on a formula simplification that was a NOOP. DAG size: 438 [2019-09-19 23:33:18,698 WARN L191 SmtUtils]: Spent 17.35 s on a formula simplification. DAG size of input: 453 DAG size of output: 453 [2019-09-19 23:33:27,371 WARN L191 SmtUtils]: Spent 8.67 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:33:38,817 WARN L191 SmtUtils]: Spent 11.18 s on a formula simplification. DAG size of input: 459 DAG size of output: 458 [2019-09-19 23:33:44,349 WARN L191 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-19 23:33:55,426 WARN L191 SmtUtils]: Spent 11.08 s on a formula simplification. DAG size of input: 472 DAG size of output: 465 [2019-09-19 23:34:01,016 WARN L191 SmtUtils]: Spent 5.59 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-19 23:34:12,088 WARN L191 SmtUtils]: Spent 11.07 s on a formula simplification. DAG size of input: 470 DAG size of output: 465 [2019-09-19 23:34:17,655 WARN L191 SmtUtils]: Spent 5.57 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-19 23:34:26,487 WARN L191 SmtUtils]: Spent 8.81 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-19 23:34:26,992 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-19 23:34:27,208 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-19 23:34:30,938 WARN L191 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 462 DAG size of output: 462 [2019-09-19 23:34:32,705 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-19 23:34:50,084 WARN L191 SmtUtils]: Spent 17.34 s on a formula simplification. DAG size of input: 453 DAG size of output: 453 [2019-09-19 23:34:59,045 WARN L191 SmtUtils]: Spent 8.96 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:35:10,554 WARN L191 SmtUtils]: Spent 11.43 s on a formula simplification. DAG size of input: 459 DAG size of output: 458 [2019-09-19 23:35:16,221 WARN L191 SmtUtils]: Spent 5.67 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-19 23:35:27,488 WARN L191 SmtUtils]: Spent 11.26 s on a formula simplification. DAG size of input: 472 DAG size of output: 465 [2019-09-19 23:35:33,100 WARN L191 SmtUtils]: Spent 5.61 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-19 23:35:44,244 WARN L191 SmtUtils]: Spent 11.14 s on a formula simplification. DAG size of input: 470 DAG size of output: 465 [2019-09-19 23:35:49,760 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-19 23:35:58,678 WARN L191 SmtUtils]: Spent 8.89 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-19 23:35:59,163 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-19 23:35:59,378 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-19 23:36:16,820 WARN L191 SmtUtils]: Spent 17.33 s on a formula simplification. DAG size of input: 453 DAG size of output: 453 [2019-09-19 23:36:25,559 WARN L191 SmtUtils]: Spent 8.74 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:36:36,498 WARN L191 SmtUtils]: Spent 10.86 s on a formula simplification. DAG size of input: 459 DAG size of output: 458 [2019-09-19 23:36:41,939 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-19 23:36:53,108 WARN L191 SmtUtils]: Spent 11.17 s on a formula simplification. DAG size of input: 472 DAG size of output: 465 [2019-09-19 23:36:58,759 WARN L191 SmtUtils]: Spent 5.65 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-19 23:37:10,073 WARN L191 SmtUtils]: Spent 11.31 s on a formula simplification. DAG size of input: 470 DAG size of output: 465 [2019-09-19 23:37:15,651 WARN L191 SmtUtils]: Spent 5.58 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-19 23:37:24,567 WARN L191 SmtUtils]: Spent 8.88 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-19 23:37:25,067 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-19 23:37:25,281 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-19 23:37:25,523 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 44 [2019-09-19 23:37:25,567 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 17 for LOIs [2019-09-19 23:37:25,925 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-19 23:37:26,115 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-09-19 23:37:26,298 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-09-19 23:37:26,519 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-19 23:37:26,617 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 3 for LOIs [2019-09-19 23:37:26,701 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-19 23:37:26,705 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 12 for LOIs [2019-09-19 23:37:26,718 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 23:37:26,718 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 23:37:26,720 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 372#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-19 23:37:26,730 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 23:37:26,730 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 23:37:26,731 INFO L168 Benchmark]: Toolchain (without parser) took 347704.89 ms. Allocated memory was 138.9 MB in the beginning and 175.6 MB in the end (delta: 36.7 MB). Free memory was 93.5 MB in the beginning and 133.6 MB in the end (delta: -40.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 23:37:26,732 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 113.2 MB in the beginning and 113.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 23:37:26,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.05 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 93.3 MB in the beginning and 169.5 MB in the end (delta: -76.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-19 23:37:26,734 INFO L168 Benchmark]: Boogie Preprocessor took 85.52 ms. Allocated memory is still 205.0 MB. Free memory was 169.5 MB in the beginning and 165.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-19 23:37:26,735 INFO L168 Benchmark]: RCFGBuilder took 1599.30 ms. Allocated memory was 205.0 MB in the beginning and 234.4 MB in the end (delta: 29.4 MB). Free memory was 165.0 MB in the beginning and 148.6 MB in the end (delta: 16.5 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. [2019-09-19 23:37:26,735 INFO L168 Benchmark]: Sifa took 345304.67 ms. Allocated memory was 234.4 MB in the beginning and 175.6 MB in the end (delta: -58.7 MB). Free memory was 148.6 MB in the beginning and 133.6 MB in the end (delta: 15.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 23:37:26,739 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 138.9 MB. Free memory was 113.2 MB in the beginning and 113.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 712.05 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 93.3 MB in the beginning and 169.5 MB in the end (delta: -76.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.52 ms. Allocated memory is still 205.0 MB. Free memory was 169.5 MB in the beginning and 165.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1599.30 ms. Allocated memory was 205.0 MB in the beginning and 234.4 MB in the end (delta: 29.4 MB). Free memory was 165.0 MB in the beginning and 148.6 MB in the end (delta: 16.5 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. * Sifa took 345304.67 ms. Allocated memory was 234.4 MB in the beginning and 175.6 MB in the end (delta: -58.7 MB). Free memory was 148.6 MB in the beginning and 133.6 MB in the end (delta: 15.0 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]: 345267, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 194, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 126, TOOLS_POST_TIME[ms]: 29013, TOOLS_POST_CALL_APPLICATIONS: 52, TOOLS_POST_CALL_TIME[ms]: 194, TOOLS_POST_RETURN_APPLICATIONS: 43, TOOLS_POST_RETURN_TIME[ms]: 98, TOOLS_QUANTIFIERELIM_APPLICATIONS: 221, TOOLS_QUANTIFIERELIM_TIME[ms]: 29192, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28898, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 204, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 61, DOMAIN_JOIN_TIME[ms]: 287848, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 27639, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 90, DOMAIN_ISBOTTOM_APPLICATIONS: 28, DOMAIN_ISBOTTOM_TIME[ms]: 267, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 259633, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 259632, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 43, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 32555, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 32554, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 25, DAG_COMPRESSION_PROCESSED_NODES: 343, DAG_COMPRESSION_RETAINED_NODES: 171 - UnprovableResult [Line: 410]: 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 372#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...