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 IntervalDomain --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_spec4_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:38:49,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:38:49,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:38:49,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:38:49,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:38:49,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:38:49,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:38:49,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:38:49,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:38:49,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:38:49,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:38:49,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:38:49,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:38:49,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:38:49,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:38:49,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:38:49,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:38:49,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:38:49,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:38:49,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:38:49,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:38:49,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:38:49,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:38:49,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:38:49,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:38:49,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:38:49,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:38:49,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:38:49,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:38:49,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:38:49,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:38:49,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:38:49,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:38:49,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:38:49,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:38:49,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:38:49,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:38:49,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:38:49,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:38:49,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:38:49,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:38:49,960 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 [2019-09-20 16:38:49,975 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:38:49,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:38:49,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:38:49,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:38:49,977 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:38:49,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:38:49,978 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:38:49,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:38:49,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:38:49,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:38:49,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:38:49,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:38:49,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:38:49,979 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:38:49,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:38:49,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:38:49,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:38:49,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:38:49,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:38:49,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:38:49,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:38:49,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:38:49,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:38:49,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:38:49,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:38:49,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:38:49,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:38:49,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:38:49,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 [2019-09-20 16:38:50,019 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:38:50,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:38:50,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:38:50,042 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:38:50,042 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:38:50,043 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-09-20 16:38:50,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef80be927/0209415fa02442feb24a421c080059a7/FLAG60e07c62c [2019-09-20 16:38:50,644 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:38:50,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-09-20 16:38:50,656 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef80be927/0209415fa02442feb24a421c080059a7/FLAG60e07c62c [2019-09-20 16:38:50,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef80be927/0209415fa02442feb24a421c080059a7 [2019-09-20 16:38:50,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:38:50,982 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:38:50,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:38:50,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:38:50,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:38:50,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:38:50" (1/1) ... [2019-09-20 16:38:50,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df0e53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:38:50, skipping insertion in model container [2019-09-20 16:38:50,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:38:50" (1/1) ... [2019-09-20 16:38:50,999 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:38:51,057 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:38:51,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:38:51,518 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:38:51,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:38:51,651 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:38:51,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:38:51 WrapperNode [2019-09-20 16:38:51,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:38:51,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:38:51,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:38:51,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:38:51,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:38:51" (1/1) ... [2019-09-20 16:38:51,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:38:51" (1/1) ... [2019-09-20 16:38:51,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:38:51" (1/1) ... [2019-09-20 16:38:51,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:38:51" (1/1) ... [2019-09-20 16:38:51,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:38:51" (1/1) ... [2019-09-20 16:38:51,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:38:51" (1/1) ... [2019-09-20 16:38:51,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:38:51" (1/1) ... [2019-09-20 16:38:51,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:38:51,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:38:51,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:38:51,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:38:51,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:38:51" (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 [2019-09-20 16:38:51,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:38:51,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:38:51,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 16:38:51,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 16:38:51,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 16:38:51,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 16:38:51,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 16:38:51,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 16:38:51,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 16:38:51,828 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 16:38:51,828 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 16:38:51,828 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 16:38:51,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 16:38:51,829 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 16:38:51,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 16:38:51,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 16:38:51,829 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 16:38:51,829 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 16:38:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 16:38:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 16:38:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 16:38:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 16:38:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 16:38:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 16:38:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 16:38:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 16:38:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 16:38:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 16:38:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 16:38:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 16:38:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 16:38:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 16:38:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:38:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 16:38:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 16:38:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 16:38:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 16:38:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 16:38:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:38:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:38:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 16:38:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 16:38:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 16:38:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 16:38:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 16:38:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 16:38:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:38:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:38:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:38:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 16:38:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:38:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 16:38:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 16:38:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:38:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 16:38:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 16:38:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:38:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 16:38:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 16:38:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 16:38:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 16:38:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 16:38:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 16:38:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 16:38:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 16:38:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 16:38:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 16:38:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 16:38:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 16:38:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 16:38:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 16:38:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 16:38:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 16:38:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 16:38:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 16:38:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 16:38:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 16:38:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 16:38:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 16:38:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 16:38:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 16:38:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 16:38:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 16:38:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 16:38:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 16:38:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:38:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 16:38:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:38:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 16:38:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:38:53,406 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:38:53,406 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 16:38:53,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:38:53 BoogieIcfgContainer [2019-09-20 16:38:53,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:38:53,408 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:38:53,408 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:38:53,409 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:38:53,410 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:38:53" (1/1) ... [2019-09-20 16:38:53,411 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 [2019-09-20 16:38:53,459 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:38:53,460 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:38:53,474 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:38:53,488 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:38:53,489 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:39:14,436 WARN L191 SmtUtils]: Spent 12.70 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 16:39:16,120 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 16:39:19,878 WARN L191 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-20 16:39:20,147 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 16:39:20,158 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 114 for LOIs [2019-09-20 16:39:20,219 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 114 for LOIs [2019-09-20 16:39:20,225 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 114 for LOIs [2019-09-20 16:39:21,206 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-20 16:39:22,159 WARN L191 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-20 16:39:22,512 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 16:39:23,574 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 141 [2019-09-20 16:39:23,923 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 16:39:24,275 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 16:39:24,775 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 16:39:25,632 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2019-09-20 16:39:26,462 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2019-09-20 16:39:26,780 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 16:39:27,777 WARN L191 SmtUtils]: Spent 985.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 16:39:28,079 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 16:39:28,403 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 16:39:28,724 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 16:39:29,570 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2019-09-20 16:39:30,400 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2019-09-20 16:39:30,708 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 16:39:31,692 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 16:39:32,003 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 16:39:32,317 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 16:39:32,320 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 16:39:32,323 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 104 for LOIs [2019-09-20 16:39:32,954 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-20 16:39:33,613 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2019-09-20 16:39:34,272 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2019-09-20 16:39:34,273 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 98 for LOIs [2019-09-20 16:39:34,280 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 98 for LOIs [2019-09-20 16:39:34,537 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 16:39:34,538 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:39:34,538 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:39:34,541 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 281#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string44.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string56.offset|) (<= |#t~string21.offset| 0) (<= 0 |#t~string48.offset|) (<= |#t~string42.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string38.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)) [2019-09-20 16:39:34,552 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:39:34,552 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:39:34,554 INFO L168 Benchmark]: Toolchain (without parser) took 43571.61 ms. Allocated memory was 140.0 MB in the beginning and 549.5 MB in the end (delta: 409.5 MB). Free memory was 86.8 MB in the beginning and 502.0 MB in the end (delta: -415.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 16:39:34,555 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:39:34,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.45 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.6 MB in the beginning and 165.8 MB in the end (delta: -79.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:39:34,556 INFO L168 Benchmark]: Boogie Preprocessor took 114.81 ms. Allocated memory is still 199.8 MB. Free memory was 165.8 MB in the beginning and 162.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-20 16:39:34,557 INFO L168 Benchmark]: RCFGBuilder took 1639.50 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 162.1 MB in the beginning and 145.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. [2019-09-20 16:39:34,558 INFO L168 Benchmark]: Sifa took 41143.99 ms. Allocated memory was 224.4 MB in the beginning and 549.5 MB in the end (delta: 325.1 MB). Free memory was 145.7 MB in the beginning and 502.0 MB in the end (delta: -356.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 16:39:34,562 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 669.45 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.6 MB in the beginning and 165.8 MB in the end (delta: -79.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.81 ms. Allocated memory is still 199.8 MB. Free memory was 165.8 MB in the beginning and 162.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1639.50 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 162.1 MB in the beginning and 145.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. * Sifa took 41143.99 ms. Allocated memory was 224.4 MB in the beginning and 549.5 MB in the end (delta: 325.1 MB). Free memory was 145.7 MB in the beginning and 502.0 MB in the end (delta: -356.3 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]: 41082, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 182, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 122, TOOLS_POST_TIME[ms]: 26350, TOOLS_POST_CALL_APPLICATIONS: 52, TOOLS_POST_CALL_TIME[ms]: 116, TOOLS_POST_RETURN_APPLICATIONS: 45, TOOLS_POST_RETURN_TIME[ms]: 45, TOOLS_QUANTIFIERELIM_APPLICATIONS: 218, TOOLS_QUANTIFIERELIM_TIME[ms]: 26419, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 26291, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 184, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 59, DOMAIN_JOIN_TIME[ms]: 14283, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 111, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8485, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8484, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 45, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 26805, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 26805, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 41, DAG_COMPRESSION_PROCESSED_NODES: 316, DAG_COMPRESSION_RETAINED_NODES: 180 - UnprovableResult [Line: 680]: 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 281#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string44.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string56.offset|) (<= |#t~string21.offset| 0) (<= 0 |#t~string48.offset|) (<= |#t~string42.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string38.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...