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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 00:31:28,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 00:31:28,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 00:31:28,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 00:31:28,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 00:31:28,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 00:31:28,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 00:31:28,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 00:31:28,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 00:31:28,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 00:31:28,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 00:31:28,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 00:31:28,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 00:31:28,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 00:31:28,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 00:31:28,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 00:31:28,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 00:31:28,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 00:31:28,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 00:31:28,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 00:31:28,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 00:31:28,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 00:31:28,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 00:31:28,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 00:31:28,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 00:31:28,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 00:31:28,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 00:31:28,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 00:31:28,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 00:31:28,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 00:31:28,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 00:31:28,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 00:31:28,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 00:31:28,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 00:31:28,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 00:31:28,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 00:31:28,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 00:31:28,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 00:31:28,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 00:31:28,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 00:31:28,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 00:31:28,922 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 00:31:28,936 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 00:31:28,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 00:31:28,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 00:31:28,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 00:31:28,938 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 00:31:28,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 00:31:28,939 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 00:31:28,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 00:31:28,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 00:31:28,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 00:31:28,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 00:31:28,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 00:31:28,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 00:31:28,940 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 00:31:28,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 00:31:28,941 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 00:31:28,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 00:31:28,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 00:31:28,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 00:31:28,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 00:31:28,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 00:31:28,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 00:31:28,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 00:31:28,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 00:31:28,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 00:31:28,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 00:31:28,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 00:31:28,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 00:31:28,943 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 -> ReUseSupersetCallSummarizer 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 [2019-09-19 00:31:28,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 00:31:28,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 00:31:28,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 00:31:28,991 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 00:31:28,992 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 00:31:28,993 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2019-09-19 00:31:29,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35709f5dd/a32495a09608437392a1dbb1b6c5706a/FLAG4f82f5ee7 [2019-09-19 00:31:29,562 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 00:31:29,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2019-09-19 00:31:29,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35709f5dd/a32495a09608437392a1dbb1b6c5706a/FLAG4f82f5ee7 [2019-09-19 00:31:29,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35709f5dd/a32495a09608437392a1dbb1b6c5706a [2019-09-19 00:31:29,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 00:31:29,872 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 00:31:29,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 00:31:29,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 00:31:29,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 00:31:29,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 12:31:29" (1/1) ... [2019-09-19 00:31:29,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@869f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:31:29, skipping insertion in model container [2019-09-19 00:31:29,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 12:31:29" (1/1) ... [2019-09-19 00:31:29,889 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 00:31:29,956 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 00:31:30,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 00:31:30,426 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 00:31:30,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 00:31:30,557 INFO L192 MainTranslator]: Completed translation [2019-09-19 00:31:30,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:31:30 WrapperNode [2019-09-19 00:31:30,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 00:31:30,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 00:31:30,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 00:31:30,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 00:31:30,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:31:30" (1/1) ... [2019-09-19 00:31:30,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:31:30" (1/1) ... [2019-09-19 00:31:30,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:31:30" (1/1) ... [2019-09-19 00:31:30,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:31:30" (1/1) ... [2019-09-19 00:31:30,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:31:30" (1/1) ... [2019-09-19 00:31:30,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:31:30" (1/1) ... [2019-09-19 00:31:30,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:31:30" (1/1) ... [2019-09-19 00:31:30,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 00:31:30,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 00:31:30,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 00:31:30,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 00:31:30,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:31:30" (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 00:31:30,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 00:31:30,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 00:31:30,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 00:31:30,759 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 00:31:30,760 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 00:31:30,760 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 00:31:30,760 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 00:31:30,761 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 00:31:30,761 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 00:31:30,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-19 00:31:30,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 00:31:30,762 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 00:31:30,762 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 00:31:30,762 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 00:31:30,763 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-19 00:31:30,763 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 00:31:30,766 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 00:31:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 00:31:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 00:31:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 00:31:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 00:31:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 00:31:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-19 00:31:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 00:31:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 00:31:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 00:31:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 00:31:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 00:31:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 00:31:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 00:31:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 00:31:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 00:31:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-19 00:31:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-19 00:31:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-19 00:31:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 00:31:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 00:31:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 00:31:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 00:31:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 00:31:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 00:31:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 00:31:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 00:31:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 00:31:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 00:31:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 00:31:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 00:31:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 00:31:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 00:31:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 00:31:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 00:31:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 00:31:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 00:31:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-19 00:31:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 00:31:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 00:31:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 00:31:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 00:31:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 00:31:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 00:31:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 00:31:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 00:31:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 00:31:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 00:31:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-19 00:31:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-19 00:31:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 00:31:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 00:31:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-19 00:31:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-19 00:31:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 00:31:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 00:31:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 00:31:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 00:31:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 00:31:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 00:31:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 00:31:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 00:31:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 00:31:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 00:31:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 00:31:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 00:31:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 00:31:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 00:31:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 00:31:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 00:31:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 00:31:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 00:31:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 00:31:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 00:31:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-19 00:31:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 00:31:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 00:31:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 00:31:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 00:31:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 00:31:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 00:31:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 00:31:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 00:31:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 00:31:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 00:31:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 00:31:32,482 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 00:31:32,482 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 00:31:32,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 12:31:32 BoogieIcfgContainer [2019-09-19 00:31:32,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 00:31:32,484 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 00:31:32,484 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 00:31:32,485 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 00:31:32,486 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 12:31:32" (1/1) ... [2019-09-19 00:31:32,486 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 00:31:32,510 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 00:31:32,511 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 00:31:32,520 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 00:31:32,531 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 00:31:32,533 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 00:31:44,034 WARN L191 SmtUtils]: Spent 11.41 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 00:31:55,556 WARN L191 SmtUtils]: Spent 11.52 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 00:32:18,762 WARN L191 SmtUtils]: Spent 14.09 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 00:32:20,603 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 00:32:24,321 WARN L191 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 00:32:24,330 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-19 00:32:26,052 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:32:27,765 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:32:29,471 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:32:31,193 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:32:32,955 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 00:32:34,638 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 00:32:36,330 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:32:37,982 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:32:37,989 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-19 00:32:39,723 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 00:32:41,437 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 00:32:41,446 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-19 00:32:45,000 WARN L191 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 433 DAG size of output: 427 [2019-09-19 00:32:46,714 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 427 [2019-09-19 00:32:57,483 WARN L191 SmtUtils]: Spent 10.76 s on a formula simplification. DAG size of input: 454 DAG size of output: 452 [2019-09-19 00:33:02,741 WARN L191 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-19 00:33:12,747 WARN L191 SmtUtils]: Spent 9.97 s on a formula simplification. DAG size of input: 435 DAG size of output: 430 [2019-09-19 00:33:17,781 WARN L191 SmtUtils]: Spent 5.03 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 00:33:35,530 WARN L191 SmtUtils]: Spent 17.73 s on a formula simplification. DAG size of input: 470 DAG size of output: 466 [2019-09-19 00:33:42,972 WARN L191 SmtUtils]: Spent 7.44 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 00:33:44,794 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 436 DAG size of output: 1 [2019-09-19 00:33:56,716 WARN L191 SmtUtils]: Spent 11.92 s on a formula simplification. DAG size of input: 438 DAG size of output: 437 [2019-09-19 00:34:02,698 WARN L191 SmtUtils]: Spent 5.98 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-19 00:34:08,749 WARN L191 SmtUtils]: Spent 6.05 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-19 00:34:14,776 WARN L191 SmtUtils]: Spent 6.03 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-19 00:34:40,975 WARN L191 SmtUtils]: Spent 26.17 s on a formula simplification. DAG size of input: 506 DAG size of output: 487 [2019-09-19 00:34:52,347 WARN L191 SmtUtils]: Spent 11.37 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-19 00:35:03,484 WARN L191 SmtUtils]: Spent 11.13 s on a formula simplification that was a NOOP. DAG size: 492 [2019-09-19 00:35:04,253 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2019-09-19 00:35:04,929 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-19 00:35:05,387 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2019-09-19 00:35:05,499 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2019-09-19 00:35:06,218 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-19 00:35:06,773 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 00:35:06,935 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 00:35:07,512 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-09-19 00:35:07,766 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-19 00:35:08,194 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-19 00:35:08,454 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-19 00:35:08,457 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-19 00:35:08,468 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-19 00:35:08,500 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 00:35:08,501 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 00:35:08,503 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 547#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-19 00:35:08,515 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 00:35:08,516 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 00:35:08,517 INFO L168 Benchmark]: Toolchain (without parser) took 218645.02 ms. Allocated memory was 140.0 MB in the beginning and 168.8 MB in the end (delta: 28.8 MB). Free memory was 86.7 MB in the beginning and 117.4 MB in the end (delta: -30.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 00:35:08,518 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 00:35:08,519 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.88 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.4 MB in the beginning and 163.0 MB in the end (delta: -76.5 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-19 00:35:08,520 INFO L168 Benchmark]: Boogie Preprocessor took 105.78 ms. Allocated memory is still 199.2 MB. Free memory was 163.0 MB in the beginning and 158.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-19 00:35:08,521 INFO L168 Benchmark]: RCFGBuilder took 1819.51 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 158.7 MB in the beginning and 138.6 MB in the end (delta: 20.1 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. [2019-09-19 00:35:08,522 INFO L168 Benchmark]: Sifa took 216031.54 ms. Allocated memory was 224.4 MB in the beginning and 168.8 MB in the end (delta: -55.6 MB). Free memory was 138.6 MB in the beginning and 117.4 MB in the end (delta: 21.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 00:35:08,526 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 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.88 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.4 MB in the beginning and 163.0 MB in the end (delta: -76.5 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.78 ms. Allocated memory is still 199.2 MB. Free memory was 163.0 MB in the beginning and 158.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1819.51 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 158.7 MB in the beginning and 138.6 MB in the end (delta: 20.1 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. * Sifa took 216031.54 ms. Allocated memory was 224.4 MB in the beginning and 168.8 MB in the end (delta: -55.6 MB). Free memory was 138.6 MB in the beginning and 117.4 MB in the end (delta: 21.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 215993, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 252, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 174, TOOLS_POST_TIME[ms]: 97, TOOLS_POST_CALL_APPLICATIONS: 70, TOOLS_POST_CALL_TIME[ms]: 133, TOOLS_POST_RETURN_APPLICATIONS: 61, TOOLS_POST_RETURN_TIME[ms]: 28857, TOOLS_QUANTIFIERELIM_APPLICATIONS: 303, TOOLS_QUANTIFIERELIM_TIME[ms]: 28985, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28761, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 259, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 88, DOMAIN_JOIN_TIME[ms]: 185990, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 298, DOMAIN_ISSUBSETEQ_APPLICATIONS: 49, DOMAIN_ISSUBSETEQ_TIME[ms]: 140, DOMAIN_ISBOTTOM_APPLICATIONS: 41, DOMAIN_ISBOTTOM_TIME[ms]: 215, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 145220, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 145220, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 61, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 94479, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 517, DAG_COMPRESSION_RETAINED_NODES: 262 - UnprovableResult [Line: 830]: 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 547#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...