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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 09:30:14,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 09:30:14,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 09:30:14,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 09:30:14,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 09:30:14,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 09:30:14,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 09:30:14,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 09:30:14,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 09:30:14,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 09:30:14,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 09:30:14,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 09:30:14,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 09:30:14,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 09:30:14,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 09:30:14,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 09:30:14,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 09:30:14,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 09:30:14,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 09:30:14,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 09:30:14,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 09:30:14,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 09:30:14,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 09:30:14,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 09:30:14,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 09:30:14,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 09:30:14,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 09:30:14,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 09:30:14,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 09:30:14,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 09:30:14,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 09:30:14,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 09:30:14,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 09:30:14,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 09:30:14,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 09:30:14,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 09:30:14,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 09:30:14,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 09:30:14,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 09:30:14,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 09:30:14,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 09:30:14,806 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 09:30:14,820 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 09:30:14,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 09:30:14,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 09:30:14,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 09:30:14,822 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 09:30:14,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 09:30:14,822 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 09:30:14,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 09:30:14,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 09:30:14,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 09:30:14,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 09:30:14,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 09:30:14,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 09:30:14,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 09:30:14,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 09:30:14,824 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 09:30:14,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 09:30:14,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 09:30:14,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 09:30:14,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 09:30:14,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 09:30:14,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 09:30:14,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 09:30:14,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 09:30:14,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 09:30:14,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 09:30:14,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 09:30:14,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 09:30:14,827 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 -> InterpretCallSummarizer 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 09:30:14,859 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 09:30:14,871 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 09:30:14,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 09:30:14,876 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 09:30:14,876 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 09:30:14,877 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2019-09-19 09:30:14,935 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae6f8280/0f79affc0d7e40ff9ebe41b2092bb8cd/FLAG4ad1151ba [2019-09-19 09:30:15,456 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 09:30:15,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2019-09-19 09:30:15,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae6f8280/0f79affc0d7e40ff9ebe41b2092bb8cd/FLAG4ad1151ba [2019-09-19 09:30:15,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae6f8280/0f79affc0d7e40ff9ebe41b2092bb8cd [2019-09-19 09:30:15,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 09:30:15,777 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 09:30:15,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 09:30:15,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 09:30:15,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 09:30:15,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:30:15" (1/1) ... [2019-09-19 09:30:15,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344f0ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:15, skipping insertion in model container [2019-09-19 09:30:15,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:30:15" (1/1) ... [2019-09-19 09:30:15,793 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 09:30:15,864 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 09:30:16,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 09:30:16,295 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 09:30:16,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 09:30:16,456 INFO L192 MainTranslator]: Completed translation [2019-09-19 09:30:16,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:16 WrapperNode [2019-09-19 09:30:16,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 09:30:16,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 09:30:16,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 09:30:16,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 09:30:16,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:16" (1/1) ... [2019-09-19 09:30:16,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:16" (1/1) ... [2019-09-19 09:30:16,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:16" (1/1) ... [2019-09-19 09:30:16,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:16" (1/1) ... [2019-09-19 09:30:16,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:16" (1/1) ... [2019-09-19 09:30:16,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:16" (1/1) ... [2019-09-19 09:30:16,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:16" (1/1) ... [2019-09-19 09:30:16,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 09:30:16,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 09:30:16,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 09:30:16,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 09:30:16,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:16" (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 09:30:16,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 09:30:16,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 09:30:16,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 09:30:16,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 09:30:16,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 09:30:16,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 09:30:16,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 09:30:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 09:30:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 09:30:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 09:30:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 09:30:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 09:30:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 09:30:16,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 09:30:16,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 09:30:16,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 09:30:16,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 09:30:16,601 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 09:30:16,602 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 09:30:16,602 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 09:30:16,602 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 09:30:16,602 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 09:30:16,602 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 09:30:16,602 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 09:30:16,603 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 09:30:16,603 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 09:30:16,603 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 09:30:16,603 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 09:30:16,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 09:30:16,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 09:30:16,603 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 09:30:16,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 09:30:16,604 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 09:30:16,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-19 09:30:16,604 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 09:30:16,604 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 09:30:16,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 09:30:16,605 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 09:30:16,605 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 09:30:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 09:30:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 09:30:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 09:30:16,606 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 09:30:16,606 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 09:30:16,606 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 09:30:16,606 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 09:30:16,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 09:30:16,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 09:30:16,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 09:30:16,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 09:30:16,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 09:30:16,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 09:30:16,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 09:30:16,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 09:30:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 09:30:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 09:30:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 09:30:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 09:30:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 09:30:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 09:30:16,609 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 09:30:16,609 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 09:30:16,609 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 09:30:16,609 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 09:30:16,609 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 09:30:16,609 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 09:30:16,610 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 09:30:16,610 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 09:30:16,610 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 09:30:16,610 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 09:30:16,610 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 09:30:16,610 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 09:30:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 09:30:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 09:30:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 09:30:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 09:30:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 09:30:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 09:30:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 09:30:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-19 09:30:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 09:30:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 09:30:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 09:30:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 09:30:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 09:30:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 09:30:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 09:30:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 09:30:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 09:30:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 09:30:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 09:30:16,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 09:30:18,133 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 09:30:18,133 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 09:30:18,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:30:18 BoogieIcfgContainer [2019-09-19 09:30:18,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 09:30:18,135 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 09:30:18,136 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 09:30:18,136 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 09:30:18,137 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:30:18" (1/1) ... [2019-09-19 09:30:18,138 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 09:30:18,173 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 09:30:18,174 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 09:30:18,186 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 09:30:18,199 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 09:30:18,201 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 09:30:30,807 WARN L191 SmtUtils]: Spent 12.48 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 09:30:42,543 WARN L191 SmtUtils]: Spent 11.73 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 09:31:04,780 WARN L191 SmtUtils]: Spent 12.79 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 09:31:06,403 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 09:31:10,103 WARN L191 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 09:31:10,111 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-19 09:31:11,808 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:31:13,544 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:31:15,250 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:31:16,902 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:31:18,630 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 09:31:20,404 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 09:31:22,076 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:31:23,764 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:31:23,771 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-19 09:31:23,776 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-19 09:31:27,420 WARN L191 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 431 DAG size of output: 425 [2019-09-19 09:31:29,141 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 425 [2019-09-19 09:31:39,917 WARN L191 SmtUtils]: Spent 10.73 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 09:31:45,160 WARN L191 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 09:31:55,847 WARN L191 SmtUtils]: Spent 10.68 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 09:32:01,057 WARN L191 SmtUtils]: Spent 5.21 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 09:32:11,226 WARN L191 SmtUtils]: Spent 10.14 s on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2019-09-19 09:32:16,333 WARN L191 SmtUtils]: Spent 5.11 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 09:32:35,649 WARN L191 SmtUtils]: Spent 19.30 s on a formula simplification. DAG size of input: 468 DAG size of output: 463 [2019-09-19 09:32:43,757 WARN L191 SmtUtils]: Spent 8.11 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 09:32:45,702 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 434 DAG size of output: 1 [2019-09-19 09:33:03,004 WARN L191 SmtUtils]: Spent 17.30 s on a formula simplification. DAG size of input: 436 DAG size of output: 435 [2019-09-19 09:33:11,595 WARN L191 SmtUtils]: Spent 8.59 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 09:33:20,160 WARN L191 SmtUtils]: Spent 8.56 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 09:33:28,822 WARN L191 SmtUtils]: Spent 8.66 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 09:34:00,428 WARN L191 SmtUtils]: Spent 31.58 s on a formula simplification. DAG size of input: 493 DAG size of output: 483 [2019-09-19 09:34:14,626 WARN L191 SmtUtils]: Spent 14.20 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-19 09:34:28,855 WARN L191 SmtUtils]: Spent 14.23 s on a formula simplification that was a NOOP. DAG size: 488 [2019-09-19 09:34:29,597 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2019-09-19 09:34:30,197 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2019-09-19 09:34:30,449 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-19 09:34:30,669 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-19 09:34:30,905 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-19 09:34:33,099 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 492 DAG size of output: 55 [2019-09-19 09:34:33,814 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-19 09:34:33,973 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-19 09:34:34,145 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-19 09:34:34,887 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2019-09-19 09:34:35,476 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2019-09-19 09:34:35,733 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-19 09:34:35,966 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-19 09:34:36,198 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-19 09:34:36,959 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-19 09:34:37,115 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-19 09:34:37,609 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-19 09:34:37,765 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-19 09:34:37,938 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-19 09:34:38,120 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-19 09:34:38,872 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2019-09-19 09:34:40,027 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-19 09:34:50,699 WARN L191 SmtUtils]: Spent 10.18 s on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2019-09-19 09:34:55,746 WARN L191 SmtUtils]: Spent 5.05 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 09:35:13,640 WARN L191 SmtUtils]: Spent 17.88 s on a formula simplification. DAG size of input: 465 DAG size of output: 461 [2019-09-19 09:35:21,364 WARN L191 SmtUtils]: Spent 7.72 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 09:35:22,988 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 434 DAG size of output: 1 [2019-09-19 09:35:36,814 WARN L191 SmtUtils]: Spent 13.82 s on a formula simplification. DAG size of input: 436 DAG size of output: 435 [2019-09-19 09:35:43,697 WARN L191 SmtUtils]: Spent 6.88 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 09:35:50,614 WARN L191 SmtUtils]: Spent 6.91 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 09:35:57,495 WARN L191 SmtUtils]: Spent 6.88 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 09:36:31,033 WARN L191 SmtUtils]: Spent 33.51 s on a formula simplification. DAG size of input: 499 DAG size of output: 493 [2019-09-19 09:36:45,566 WARN L191 SmtUtils]: Spent 14.53 s on a formula simplification that was a NOOP. DAG size: 493 [2019-09-19 09:37:00,270 WARN L191 SmtUtils]: Spent 14.70 s on a formula simplification that was a NOOP. DAG size: 498 [2019-09-19 09:37:01,582 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-19 09:37:01,821 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-19 09:37:02,032 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-09-19 09:37:02,258 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-09-19 09:37:04,641 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 486 DAG size of output: 51 [2019-09-19 09:37:05,325 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-09-19 09:37:05,472 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 09:37:05,633 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-19 09:37:06,360 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2019-09-19 09:37:06,963 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-19 09:37:07,229 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-19 09:37:07,492 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-09-19 09:37:07,760 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-09-19 09:37:08,560 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-09-19 09:37:08,703 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 09:37:08,869 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-19 09:37:08,880 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 19 for LOIs [2019-09-19 09:37:09,094 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2019-09-19 09:37:09,514 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2019-09-19 09:37:10,236 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2019-09-19 09:37:10,563 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-19 09:37:10,673 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-09-19 09:37:11,065 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-19 09:37:11,524 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2019-09-19 09:37:12,003 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2019-09-19 09:37:12,275 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2019-09-19 09:37:12,571 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2019-09-19 09:37:12,675 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-09-19 09:37:12,898 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-09-19 09:37:13,015 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-19 09:37:13,569 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-19 09:37:14,046 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 45 [2019-09-19 09:37:14,429 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2019-09-19 09:37:14,842 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2019-09-19 09:37:15,136 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2019-09-19 09:37:15,278 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2019-09-19 09:37:15,717 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-09-19 09:37:16,006 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2019-09-19 09:37:16,487 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2019-09-19 09:37:16,893 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2019-09-19 09:37:17,351 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2019-09-19 09:37:17,696 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2019-09-19 09:37:17,839 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-09-19 09:37:18,103 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-19 09:37:18,347 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-19 09:37:19,516 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 09:37:20,233 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-19 09:37:20,469 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-19 09:37:20,494 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-19 09:37:20,532 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 09:37:20,532 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 09:37:20,534 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2242#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-19 09:37:20,551 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 09:37:20,551 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 09:37:20,562 INFO L168 Benchmark]: Toolchain (without parser) took 424776.49 ms. Allocated memory was 134.2 MB in the beginning and 157.8 MB in the end (delta: 23.6 MB). Free memory was 87.8 MB in the beginning and 110.3 MB in the end (delta: -22.4 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-09-19 09:37:20,564 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 09:37:20,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.60 ms. Allocated memory was 134.2 MB in the beginning and 202.4 MB in the end (delta: 68.2 MB). Free memory was 87.6 MB in the beginning and 167.6 MB in the end (delta: -80.0 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-19 09:37:20,566 INFO L168 Benchmark]: Boogie Preprocessor took 84.56 ms. Allocated memory is still 202.4 MB. Free memory was 167.6 MB in the beginning and 163.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-19 09:37:20,570 INFO L168 Benchmark]: RCFGBuilder took 1592.22 ms. Allocated memory was 202.4 MB in the beginning and 229.6 MB in the end (delta: 27.3 MB). Free memory was 163.4 MB in the beginning and 149.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2019-09-19 09:37:20,574 INFO L168 Benchmark]: Sifa took 422416.04 ms. Allocated memory was 229.6 MB in the beginning and 157.8 MB in the end (delta: -71.8 MB). Free memory was 149.9 MB in the beginning and 110.3 MB in the end (delta: 39.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 09:37:20,581 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 679.60 ms. Allocated memory was 134.2 MB in the beginning and 202.4 MB in the end (delta: 68.2 MB). Free memory was 87.6 MB in the beginning and 167.6 MB in the end (delta: -80.0 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.56 ms. Allocated memory is still 202.4 MB. Free memory was 167.6 MB in the beginning and 163.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1592.22 ms. Allocated memory was 202.4 MB in the beginning and 229.6 MB in the end (delta: 27.3 MB). Free memory was 163.4 MB in the beginning and 149.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * Sifa took 422416.04 ms. Allocated memory was 229.6 MB in the beginning and 157.8 MB in the end (delta: -71.8 MB). Free memory was 149.9 MB in the beginning and 110.3 MB in the end (delta: 39.6 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]: 422361, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1065, DAG_INTERPRETER_EARLY_EXITS: 12, TOOLS_POST_APPLICATIONS: 753, TOOLS_POST_TIME[ms]: 214, TOOLS_POST_CALL_APPLICATIONS: 274, TOOLS_POST_CALL_TIME[ms]: 250, TOOLS_POST_RETURN_APPLICATIONS: 265, TOOLS_POST_RETURN_TIME[ms]: 27803, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1232, TOOLS_QUANTIFIERELIM_TIME[ms]: 28042, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27557, FLUID_QUERY_TIME[ms]: 23, FLUID_QUERIES: 1073, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 421, DOMAIN_JOIN_TIME[ms]: 388180, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 5074, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 28, DOMAIN_ISBOTTOM_APPLICATIONS: 167, DOMAIN_ISBOTTOM_TIME[ms]: 562, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 227665, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 227665, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 265, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 173080, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 47, DAG_COMPRESSION_PROCESSED_NODES: 412, DAG_COMPRESSION_RETAINED_NODES: 227 - UnprovableResult [Line: 44]: 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 2242#(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...