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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 04:43:27,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 04:43:27,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 04:43:27,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 04:43:27,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 04:43:27,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 04:43:27,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 04:43:27,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 04:43:27,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 04:43:27,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 04:43:27,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 04:43:27,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 04:43:27,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 04:43:27,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 04:43:27,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 04:43:27,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 04:43:27,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 04:43:27,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 04:43:27,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 04:43:27,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 04:43:27,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 04:43:27,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 04:43:27,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 04:43:27,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 04:43:27,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 04:43:27,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 04:43:27,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 04:43:27,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 04:43:27,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 04:43:27,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 04:43:27,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 04:43:27,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 04:43:27,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 04:43:27,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 04:43:27,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 04:43:27,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 04:43:27,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 04:43:27,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 04:43:27,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 04:43:27,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 04:43:27,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 04:43:27,724 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 [2019-09-18 04:43:27,744 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 04:43:27,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 04:43:27,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 04:43:27,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 04:43:27,747 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 04:43:27,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 04:43:27,748 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 04:43:27,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 04:43:27,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 04:43:27,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 04:43:27,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 04:43:27,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 04:43:27,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 04:43:27,750 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 04:43:27,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 04:43:27,751 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 04:43:27,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 04:43:27,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 04:43:27,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 04:43:27,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 04:43:27,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 04:43:27,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 04:43:27,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 04:43:27,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 04:43:27,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 04:43:27,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 04:43:27,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 04:43:27,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 04:43:27,753 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 -> SequenceOfStatements 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 [2019-09-18 04:43:27,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 04:43:27,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 04:43:27,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 04:43:27,807 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 04:43:27,808 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 04:43:27,808 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-09-18 04:43:27,865 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e929acf60/e2d235e949d0466a85c57af9c0a4cc0f/FLAG6f5020820 [2019-09-18 04:43:28,358 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 04:43:28,359 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-09-18 04:43:28,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e929acf60/e2d235e949d0466a85c57af9c0a4cc0f/FLAG6f5020820 [2019-09-18 04:43:28,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e929acf60/e2d235e949d0466a85c57af9c0a4cc0f [2019-09-18 04:43:28,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 04:43:28,751 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 04:43:28,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 04:43:28,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 04:43:28,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 04:43:28,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:43:28" (1/1) ... [2019-09-18 04:43:28,760 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 18.09 04:43:28, skipping insertion in model container [2019-09-18 04:43:28,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:43:28" (1/1) ... [2019-09-18 04:43:28,768 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 04:43:28,819 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 04:43:29,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 04:43:29,220 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 04:43:29,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 04:43:29,381 INFO L192 MainTranslator]: Completed translation [2019-09-18 04:43:29,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:29 WrapperNode [2019-09-18 04:43:29,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 04:43:29,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 04:43:29,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 04:43:29,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 04:43:29,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:29" (1/1) ... [2019-09-18 04:43:29,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:29" (1/1) ... [2019-09-18 04:43:29,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:29" (1/1) ... [2019-09-18 04:43:29,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:29" (1/1) ... [2019-09-18 04:43:29,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:29" (1/1) ... [2019-09-18 04:43:29,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:29" (1/1) ... [2019-09-18 04:43:29,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:29" (1/1) ... [2019-09-18 04:43:29,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 04:43:29,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 04:43:29,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 04:43:29,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 04:43:29,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:29" (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 [2019-09-18 04:43:29,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 04:43:29,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 04:43:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 04:43:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 04:43:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 04:43:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 04:43:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 04:43:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 04:43:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 04:43:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 04:43:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 04:43:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 04:43:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 04:43:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 04:43:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 04:43:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 04:43:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 04:43:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 04:43:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 04:43:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 04:43:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 04:43:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 04:43:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 04:43:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 04:43:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 04:43:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 04:43:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 04:43:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 04:43:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 04:43:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 04:43:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 04:43:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 04:43:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 04:43:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 04:43:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 04:43:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 04:43:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 04:43:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-18 04:43:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 04:43:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 04:43:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 04:43:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 04:43:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 04:43:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 04:43:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 04:43:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 04:43:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 04:43:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 04:43:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 04:43:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 04:43:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 04:43:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 04:43:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 04:43:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 04:43:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 04:43:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 04:43:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 04:43:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 04:43:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 04:43:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 04:43:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 04:43:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 04:43:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 04:43:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 04:43:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 04:43:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 04:43:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 04:43:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 04:43:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 04:43:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 04:43:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 04:43:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-18 04:43:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 04:43:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 04:43:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 04:43:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 04:43:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 04:43:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 04:43:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 04:43:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 04:43:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 04:43:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 04:43:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 04:43:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 04:43:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 04:43:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 04:43:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 04:43:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 04:43:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 04:43:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 04:43:30,699 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 04:43:30,700 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 04:43:30,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:43:30 BoogieIcfgContainer [2019-09-18 04:43:30,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 04:43:30,702 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 04:43:30,702 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 04:43:30,703 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 04:43:30,704 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:43:30" (1/1) ... [2019-09-18 04:43:30,704 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 [2019-09-18 04:43:30,738 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 04:43:30,738 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 04:43:30,751 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 04:43:30,763 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 04:43:30,765 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 04:43:54,472 WARN L191 SmtUtils]: Spent 13.77 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 04:43:56,070 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 04:43:59,770 WARN L191 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-18 04:44:01,484 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 04:44:03,142 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 04:44:03,156 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 04:44:03,216 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 04:44:03,221 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 04:44:14,148 WARN L191 SmtUtils]: Spent 10.80 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 04:44:19,465 WARN L191 SmtUtils]: Spent 5.31 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 04:44:30,202 WARN L191 SmtUtils]: Spent 10.74 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 04:44:35,462 WARN L191 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 04:44:53,040 WARN L191 SmtUtils]: Spent 17.52 s on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2019-09-18 04:45:01,954 WARN L191 SmtUtils]: Spent 8.91 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 04:45:33,411 WARN L191 SmtUtils]: Spent 31.37 s on a formula simplification. DAG size of input: 482 DAG size of output: 479 [2019-09-18 04:45:49,227 WARN L191 SmtUtils]: Spent 15.81 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-18 04:46:06,999 WARN L191 SmtUtils]: Spent 17.72 s on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2019-09-18 04:46:15,913 WARN L191 SmtUtils]: Spent 8.91 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 04:46:31,868 WARN L191 SmtUtils]: Spent 15.94 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-18 04:46:33,118 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-18 04:46:33,486 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-18 04:46:33,617 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-18 04:46:33,742 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-18 04:46:33,948 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-18 04:46:34,760 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-18 04:46:35,131 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-18 04:46:35,268 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-18 04:46:35,398 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-18 04:46:35,609 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-18 04:46:35,865 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-18 04:46:36,249 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-18 04:46:36,386 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-18 04:46:36,532 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-18 04:46:36,779 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-18 04:46:36,882 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 22 for LOIs [2019-09-18 04:46:37,309 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-09-18 04:46:37,546 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-18 04:46:37,793 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-18 04:46:38,098 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-18 04:46:38,380 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-18 04:46:38,689 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-18 04:46:39,006 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-18 04:46:39,331 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-18 04:46:39,451 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-18 04:46:39,673 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-18 04:46:39,801 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-18 04:46:40,053 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-18 04:46:40,173 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-18 04:46:40,441 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-18 04:46:40,553 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 04:46:40,880 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-18 04:46:40,963 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-18 04:46:41,077 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-18 04:46:41,081 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-18 04:46:41,102 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 04:46:41,102 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 04:46:41,105 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 516#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-18 04:46:41,115 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 04:46:41,116 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 04:46:41,117 INFO L168 Benchmark]: Toolchain (without parser) took 192365.65 ms. Allocated memory was 133.7 MB in the beginning and 145.8 MB in the end (delta: 12.1 MB). Free memory was 87.8 MB in the beginning and 103.9 MB in the end (delta: -16.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 04:46:41,118 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 04:46:41,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.13 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 87.6 MB in the beginning and 165.4 MB in the end (delta: -77.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2019-09-18 04:46:41,120 INFO L168 Benchmark]: Boogie Preprocessor took 99.41 ms. Allocated memory is still 200.8 MB. Free memory was 165.4 MB in the beginning and 161.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-18 04:46:41,121 INFO L168 Benchmark]: RCFGBuilder took 1220.22 ms. Allocated memory was 200.8 MB in the beginning and 226.5 MB in the end (delta: 25.7 MB). Free memory was 161.1 MB in the beginning and 194.2 MB in the end (delta: -33.1 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. [2019-09-18 04:46:41,122 INFO L168 Benchmark]: Sifa took 190413.55 ms. Allocated memory was 226.5 MB in the beginning and 145.8 MB in the end (delta: -80.7 MB). Free memory was 194.2 MB in the beginning and 103.9 MB in the end (delta: 90.4 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-18 04:46:41,126 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 629.13 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 87.6 MB in the beginning and 165.4 MB in the end (delta: -77.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.41 ms. Allocated memory is still 200.8 MB. Free memory was 165.4 MB in the beginning and 161.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1220.22 ms. Allocated memory was 200.8 MB in the beginning and 226.5 MB in the end (delta: 25.7 MB). Free memory was 161.1 MB in the beginning and 194.2 MB in the end (delta: -33.1 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. * Sifa took 190413.55 ms. Allocated memory was 226.5 MB in the beginning and 145.8 MB in the end (delta: -80.7 MB). Free memory was 194.2 MB in the beginning and 103.9 MB in the end (delta: 90.4 MB). Peak memory consumption was 9.6 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]: 190367, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 273, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 193, TOOLS_POST_TIME[ms]: 29027, TOOLS_POST_CALL_APPLICATIONS: 67, TOOLS_POST_CALL_TIME[ms]: 137, TOOLS_POST_RETURN_APPLICATIONS: 58, TOOLS_POST_RETURN_TIME[ms]: 74, TOOLS_QUANTIFIERELIM_APPLICATIONS: 317, TOOLS_QUANTIFIERELIM_TIME[ms]: 29143, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28932, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 283, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 81, DOMAIN_JOIN_TIME[ms]: 158533, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 2170, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 27, DOMAIN_ISBOTTOM_APPLICATIONS: 44, DOMAIN_ISBOTTOM_TIME[ms]: 243, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 154931, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 154931, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 58, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33247, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33246, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 427, DAG_COMPRESSION_RETAINED_NODES: 251 - UnprovableResult [Line: 680]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 516#(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...