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_spec4_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 19:46:51,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 19:46:51,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 19:46:51,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 19:46:51,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 19:46:51,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 19:46:51,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 19:46:51,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 19:46:51,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 19:46:51,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 19:46:51,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 19:46:51,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 19:46:51,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 19:46:51,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 19:46:51,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 19:46:51,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 19:46:51,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 19:46:51,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 19:46:51,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 19:46:51,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 19:46:51,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 19:46:51,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 19:46:51,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 19:46:51,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 19:46:51,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 19:46:51,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 19:46:51,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 19:46:51,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 19:46:51,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 19:46:51,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 19:46:51,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 19:46:51,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 19:46:51,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 19:46:51,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 19:46:51,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 19:46:51,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 19:46:51,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 19:46:51,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 19:46:51,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 19:46:51,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 19:46:51,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 19:46:51,905 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 19:46:51,921 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 19:46:51,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 19:46:51,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 19:46:51,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 19:46:51,923 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 19:46:51,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 19:46:51,923 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 19:46:51,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 19:46:51,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 19:46:51,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 19:46:51,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 19:46:51,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 19:46:51,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 19:46:51,925 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 19:46:51,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 19:46:51,925 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 19:46:51,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 19:46:51,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 19:46:51,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 19:46:51,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 19:46:51,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 19:46:51,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 19:46:51,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 19:46:51,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 19:46:51,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 19:46:51,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 19:46:51,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 19:46:51,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 19:46:51,928 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 19:46:51,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 19:46:51,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 19:46:51,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 19:46:51,975 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 19:46:51,976 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 19:46:51,976 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2019-09-16 19:46:52,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b196aea3/8509ceea2de3494fa977cc5a04f7b343/FLAG7ff09bcf8 [2019-09-16 19:46:52,518 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 19:46:52,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2019-09-16 19:46:52,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b196aea3/8509ceea2de3494fa977cc5a04f7b343/FLAG7ff09bcf8 [2019-09-16 19:46:52,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b196aea3/8509ceea2de3494fa977cc5a04f7b343 [2019-09-16 19:46:52,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 19:46:52,793 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 19:46:52,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 19:46:52,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 19:46:52,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 19:46:52,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:46:52" (1/1) ... [2019-09-16 19:46:52,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a488234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:46:52, skipping insertion in model container [2019-09-16 19:46:52,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:46:52" (1/1) ... [2019-09-16 19:46:52,809 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 19:46:52,861 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 19:46:53,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:46:53,350 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 19:46:53,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:46:53,480 INFO L192 MainTranslator]: Completed translation [2019-09-16 19:46:53,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:46:53 WrapperNode [2019-09-16 19:46:53,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 19:46:53,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 19:46:53,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 19:46:53,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 19:46:53,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:46:53" (1/1) ... [2019-09-16 19:46:53,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:46:53" (1/1) ... [2019-09-16 19:46:53,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:46:53" (1/1) ... [2019-09-16 19:46:53,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:46:53" (1/1) ... [2019-09-16 19:46:53,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:46:53" (1/1) ... [2019-09-16 19:46:53,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:46:53" (1/1) ... [2019-09-16 19:46:53,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:46:53" (1/1) ... [2019-09-16 19:46:53,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 19:46:53,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 19:46:53,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 19:46:53,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 19:46:53,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:46:53" (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 19:46:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 19:46:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 19:46:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 19:46:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 19:46:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 19:46:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 19:46:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 19:46:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-16 19:46:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 19:46:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 19:46:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 19:46:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 19:46:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 19:46:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 19:46:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 19:46:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 19:46:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 19:46:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 19:46:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 19:46:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 19:46:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 19:46:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-16 19:46:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 19:46:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 19:46:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 19:46:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 19:46:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 19:46:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 19:46:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 19:46:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 19:46:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 19:46:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 19:46:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 19:46:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 19:46:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 19:46:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 19:46:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 19:46:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 19:46:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 19:46:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 19:46:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 19:46:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 19:46:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 19:46:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 19:46:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 19:46:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 19:46:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 19:46:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 19:46:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 19:46:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 19:46:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 19:46:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 19:46:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-16 19:46:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 19:46:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 19:46:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-16 19:46:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 19:46:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 19:46:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 19:46:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 19:46:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 19:46:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 19:46:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 19:46:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 19:46:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 19:46:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 19:46:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 19:46:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 19:46:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 19:46:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 19:46:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 19:46:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 19:46:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 19:46:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 19:46:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 19:46:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 19:46:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 19:46:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 19:46:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 19:46:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 19:46:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 19:46:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 19:46:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 19:46:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 19:46:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 19:46:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 19:46:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 19:46:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 19:46:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 19:46:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 19:46:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 19:46:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 19:46:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 19:46:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 19:46:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 19:46:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 19:46:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 19:46:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 19:46:55,194 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 19:46:55,195 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 19:46:55,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:46:55 BoogieIcfgContainer [2019-09-16 19:46:55,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 19:46:55,197 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 19:46:55,197 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 19:46:55,197 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 19:46:55,199 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:46:55" (1/1) ... [2019-09-16 19:46:55,199 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 19:46:55,228 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 19:46:55,231 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 19:46:55,244 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 19:46:55,256 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 19:46:55,258 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 19:47:19,536 WARN L191 SmtUtils]: Spent 14.29 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-16 19:47:21,211 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-16 19:47:25,139 WARN L191 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-16 19:47:26,956 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-16 19:47:28,786 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-16 19:47:28,809 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-16 19:47:28,912 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-16 19:47:28,918 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-16 19:47:39,987 WARN L191 SmtUtils]: Spent 10.95 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:47:45,343 WARN L191 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:48:03,886 WARN L191 SmtUtils]: Spent 18.49 s on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2019-09-16 19:48:13,093 WARN L191 SmtUtils]: Spent 9.21 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-16 19:48:44,946 WARN L191 SmtUtils]: Spent 31.74 s on a formula simplification. DAG size of input: 482 DAG size of output: 479 [2019-09-16 19:49:00,709 WARN L191 SmtUtils]: Spent 15.76 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-16 19:49:16,697 WARN L191 SmtUtils]: Spent 15.99 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-16 19:49:18,140 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-16 19:49:18,455 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-16 19:49:18,701 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-16 19:49:19,340 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-16 19:49:19,627 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2019-09-16 19:49:19,916 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2019-09-16 19:49:20,291 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2019-09-16 19:49:20,595 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2019-09-16 19:49:20,742 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-16 19:49:20,916 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-16 19:49:21,200 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-16 19:49:21,312 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-16 19:49:21,416 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-16 19:49:21,590 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-16 19:49:21,596 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-16 19:49:21,911 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-16 19:49:21,990 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-16 19:49:21,993 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-16 19:49:22,015 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 19:49:22,016 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 19:49:22,018 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 502#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-16 19:49:22,033 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 19:49:22,034 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 19:49:22,035 INFO L168 Benchmark]: Toolchain (without parser) took 149242.08 ms. Allocated memory was 134.7 MB in the beginning and 162.0 MB in the end (delta: 27.3 MB). Free memory was 84.5 MB in the beginning and 114.0 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 19:49:22,036 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 19:49:22,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.46 ms. Allocated memory was 134.7 MB in the beginning and 199.2 MB in the end (delta: 64.5 MB). Free memory was 84.3 MB in the beginning and 165.5 MB in the end (delta: -81.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-16 19:49:22,038 INFO L168 Benchmark]: Boogie Preprocessor took 84.33 ms. Allocated memory is still 199.2 MB. Free memory was 165.5 MB in the beginning and 161.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-16 19:49:22,039 INFO L168 Benchmark]: RCFGBuilder took 1630.33 ms. Allocated memory was 199.2 MB in the beginning and 220.7 MB in the end (delta: 21.5 MB). Free memory was 161.7 MB in the beginning and 144.0 MB in the end (delta: 17.6 MB). Peak memory consumption was 94.8 MB. Max. memory is 7.1 GB. [2019-09-16 19:49:22,040 INFO L168 Benchmark]: Sifa took 146837.16 ms. Allocated memory was 220.7 MB in the beginning and 162.0 MB in the end (delta: -58.7 MB). Free memory was 144.0 MB in the beginning and 114.0 MB in the end (delta: 30.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 19:49:22,044 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 134.7 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 686.46 ms. Allocated memory was 134.7 MB in the beginning and 199.2 MB in the end (delta: 64.5 MB). Free memory was 84.3 MB in the beginning and 165.5 MB in the end (delta: -81.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.33 ms. Allocated memory is still 199.2 MB. Free memory was 165.5 MB in the beginning and 161.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1630.33 ms. Allocated memory was 199.2 MB in the beginning and 220.7 MB in the end (delta: 21.5 MB). Free memory was 161.7 MB in the beginning and 144.0 MB in the end (delta: 17.6 MB). Peak memory consumption was 94.8 MB. Max. memory is 7.1 GB. * Sifa took 146837.16 ms. Allocated memory was 220.7 MB in the beginning and 162.0 MB in the end (delta: -58.7 MB). Free memory was 144.0 MB in the beginning and 114.0 MB in the end (delta: 30.0 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]: 146791, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 250, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 168, TOOLS_POST_TIME[ms]: 29881, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 128, TOOLS_POST_RETURN_APPLICATIONS: 62, TOOLS_POST_RETURN_TIME[ms]: 81, TOOLS_QUANTIFIERELIM_APPLICATIONS: 301, TOOLS_QUANTIFIERELIM_TIME[ms]: 29994, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29813, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 255, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 83, DOMAIN_JOIN_TIME[ms]: 116111, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 221, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 44, DOMAIN_ISBOTTOM_TIME[ms]: 195, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 110180, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 110179, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 62, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 34783, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 34782, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 477, DAG_COMPRESSION_RETAINED_NODES: 252 - UnprovableResult [Line: 620]: 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 502#(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...