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_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:07:39,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:07:39,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:07:39,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:07:39,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:07:39,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:07:39,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:07:39,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:07:39,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:07:39,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:07:39,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:07:39,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:07:39,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:07:39,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:07:39,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:07:39,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:07:39,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:07:39,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:07:39,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:07:39,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:07:39,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:07:39,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:07:39,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:07:39,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:07:39,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:07:39,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:07:39,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:07:39,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:07:39,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:07:39,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:07:39,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:07:39,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:07:39,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:07:39,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:07:39,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:07:39,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:07:39,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:07:39,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:07:39,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:07:39,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:07:39,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:07:39,747 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 [2019-09-17 06:07:39,762 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:07:39,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:07:39,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:07:39,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:07:39,764 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:07:39,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:07:39,765 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:07:39,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:07:39,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:07:39,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:07:39,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:07:39,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:07:39,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:07:39,766 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:07:39,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:07:39,767 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:07:39,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:07:39,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:07:39,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:07:39,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:07:39,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:07:39,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:07:39,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:07:39,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:07:39,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:07:39,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:07:39,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:07:39,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:07:39,769 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_QUICK [2019-09-17 06:07:39,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:07:39,825 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:07:39,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:07:39,831 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:07:39,831 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:07:39,832 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-09-17 06:07:39,906 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d35f00c39/2417689bd3bc46218ff7b3b739e365cf/FLAGb4636073e [2019-09-17 06:07:40,434 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:07:40,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-09-17 06:07:40,456 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d35f00c39/2417689bd3bc46218ff7b3b739e365cf/FLAGb4636073e [2019-09-17 06:07:40,762 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d35f00c39/2417689bd3bc46218ff7b3b739e365cf [2019-09-17 06:07:40,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:07:40,772 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:07:40,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:07:40,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:07:40,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:07:40,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:07:40" (1/1) ... [2019-09-17 06:07:40,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63939978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:40, skipping insertion in model container [2019-09-17 06:07:40,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:07:40" (1/1) ... [2019-09-17 06:07:40,788 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:07:40,842 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:07:41,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:07:41,484 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:07:41,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:07:41,642 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:07:41,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:41 WrapperNode [2019-09-17 06:07:41,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:07:41,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:07:41,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:07:41,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:07:41,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:41" (1/1) ... [2019-09-17 06:07:41,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:41" (1/1) ... [2019-09-17 06:07:41,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:41" (1/1) ... [2019-09-17 06:07:41,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:41" (1/1) ... [2019-09-17 06:07:41,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:41" (1/1) ... [2019-09-17 06:07:41,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:41" (1/1) ... [2019-09-17 06:07:41,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:41" (1/1) ... [2019-09-17 06:07:41,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:07:41,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:07:41,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:07:41,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:07:41,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:41" (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 [2019-09-17 06:07:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:07:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:07:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 06:07:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-17 06:07:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 06:07:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 06:07:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 06:07:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 06:07:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:07:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 06:07:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 06:07:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 06:07:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 06:07:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 06:07:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 06:07:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 06:07:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 06:07:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 06:07:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 06:07:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 06:07:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 06:07:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 06:07:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 06:07:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 06:07:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 06:07:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 06:07:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 06:07:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 06:07:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 06:07:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 06:07:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 06:07:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 06:07:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 06:07:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 06:07:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 06:07:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 06:07:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 06:07:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:07:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:07:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 06:07:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 06:07:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 06:07:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 06:07:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-17 06:07:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 06:07:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 06:07:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 06:07:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 06:07:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 06:07:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 06:07:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 06:07:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 06:07:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 06:07:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 06:07:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 06:07:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 06:07:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:07:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 06:07:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 06:07:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 06:07:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 06:07:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 06:07:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 06:07:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 06:07:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 06:07:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 06:07:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 06:07:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 06:07:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 06:07:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 06:07:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 06:07:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 06:07:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 06:07:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 06:07:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 06:07:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 06:07:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 06:07:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 06:07:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 06:07:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 06:07:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 06:07:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 06:07:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 06:07:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 06:07:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 06:07:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:07:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 06:07:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:07:43,503 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:07:43,504 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 06:07:43,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:07:43 BoogieIcfgContainer [2019-09-17 06:07:43,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:07:43,506 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:07:43,506 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:07:43,507 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:07:43,508 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:07:43" (1/1) ... [2019-09-17 06:07:43,508 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-17 06:07:43,533 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:07:43,533 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:07:43,548 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:07:43,565 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:07:43,566 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:07:52,966 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 06:07:54,921 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 06:07:55,102 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:07:55,235 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:07:55,375 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:07:55,399 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-17 06:07:55,454 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-17 06:07:55,460 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-17 06:07:55,912 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2019-09-17 06:07:56,280 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2019-09-17 06:07:56,746 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 522 [2019-09-17 06:07:57,052 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-17 06:07:57,462 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2019-09-17 06:07:57,782 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2019-09-17 06:07:58,325 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 532 [2019-09-17 06:07:58,760 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-17 06:07:59,122 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 529 [2019-09-17 06:07:59,375 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 529 [2019-09-17 06:07:59,843 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-17 06:08:00,473 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 529 [2019-09-17 06:08:00,710 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-17 06:08:00,749 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-17 06:08:00,763 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-17 06:08:00,767 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-17 06:08:00,768 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:08:00,768 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:08:00,770 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 610#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-17 06:08:00,788 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:08:00,788 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:08:00,791 INFO L168 Benchmark]: Toolchain (without parser) took 20017.45 ms. Allocated memory was 134.2 MB in the beginning and 533.7 MB in the end (delta: 399.5 MB). Free memory was 88.7 MB in the beginning and 410.5 MB in the end (delta: -321.8 MB). Peak memory consumption was 77.7 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:00,794 INFO L168 Benchmark]: CDTParser took 1.31 ms. Allocated memory is still 134.2 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 06:08:00,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 870.00 ms. Allocated memory was 134.2 MB in the beginning and 202.9 MB in the end (delta: 68.7 MB). Free memory was 88.4 MB in the beginning and 167.6 MB in the end (delta: -79.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:00,806 INFO L168 Benchmark]: Boogie Preprocessor took 101.26 ms. Allocated memory is still 202.9 MB. Free memory was 167.6 MB in the beginning and 163.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:00,808 INFO L168 Benchmark]: RCFGBuilder took 1760.48 ms. Allocated memory was 202.9 MB in the beginning and 229.6 MB in the end (delta: 26.7 MB). Free memory was 163.9 MB in the beginning and 152.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:00,809 INFO L168 Benchmark]: Sifa took 17282.08 ms. Allocated memory was 229.6 MB in the beginning and 533.7 MB in the end (delta: 304.1 MB). Free memory was 152.3 MB in the beginning and 410.5 MB in the end (delta: -258.1 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:00,820 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31 ms. Allocated memory is still 134.2 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 870.00 ms. Allocated memory was 134.2 MB in the beginning and 202.9 MB in the end (delta: 68.7 MB). Free memory was 88.4 MB in the beginning and 167.6 MB in the end (delta: -79.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.26 ms. Allocated memory is still 202.9 MB. Free memory was 167.6 MB in the beginning and 163.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1760.48 ms. Allocated memory was 202.9 MB in the beginning and 229.6 MB in the end (delta: 26.7 MB). Free memory was 163.9 MB in the beginning and 152.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. * Sifa took 17282.08 ms. Allocated memory was 229.6 MB in the beginning and 533.7 MB in the end (delta: 304.1 MB). Free memory was 152.3 MB in the beginning and 410.5 MB in the end (delta: -258.1 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 17238, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 318, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 224, TOOLS_POST_TIME[ms]: 11615, TOOLS_POST_CALL_APPLICATIONS: 79, TOOLS_POST_CALL_TIME[ms]: 260, TOOLS_POST_RETURN_APPLICATIONS: 70, TOOLS_POST_RETURN_TIME[ms]: 113, TOOLS_QUANTIFIERELIM_APPLICATIONS: 373, TOOLS_QUANTIFIERELIM_TIME[ms]: 11851, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11441, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 337, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 91, DOMAIN_JOIN_TIME[ms]: 3709, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 1220, DOMAIN_ISSUBSETEQ_APPLICATIONS: 19, DOMAIN_ISSUBSETEQ_TIME[ms]: 49, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 82, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4849, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4848, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 19, CALL_SUMMARIZER_APPLICATIONS: 70, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11855, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11852, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 604, DAG_COMPRESSION_RETAINED_NODES: 216 - UnprovableResult [Line: 177]: 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 610#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 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...