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_spec1_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:47:40,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:47:40,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:47:40,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:47:40,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:47:40,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:47:40,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:47:40,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:47:40,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:47:40,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:47:40,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:47:40,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:47:40,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:47:40,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:47:40,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:47:40,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:47:40,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:47:40,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:47:40,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:47:40,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:47:40,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:47:40,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:47:40,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:47:40,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:47:40,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:47:40,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:47:40,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:47:40,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:47:40,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:47:40,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:47:40,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:47:40,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:47:40,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:47:40,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:47:40,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:47:40,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:47:40,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:47:40,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:47:40,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:47:40,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:47:40,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:47:40,797 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 [2019-09-20 15:47:40,821 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:47:40,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:47:40,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:47:40,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:47:40,824 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:47:40,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:47:40,825 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:47:40,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:47:40,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:47:40,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:47:40,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:47:40,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:47:40,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:47:40,826 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:47:40,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:47:40,827 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:47:40,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:47:40,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:47:40,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:47:40,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:47:40,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:47:40,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:47:40,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:47:40,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:47:40,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:47:40,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:47:40,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:47:40,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:47:40,831 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 [2019-09-20 15:47:40,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:47:40,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:47:40,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:47:40,900 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:47:40,900 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:47:40,901 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2019-09-20 15:47:40,984 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4cafe643/70fa700db3204e948eccf167240696b7/FLAGff4eb7e11 [2019-09-20 15:47:41,500 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:47:41,501 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2019-09-20 15:47:41,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4cafe643/70fa700db3204e948eccf167240696b7/FLAGff4eb7e11 [2019-09-20 15:47:41,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4cafe643/70fa700db3204e948eccf167240696b7 [2019-09-20 15:47:41,835 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:47:41,836 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:47:41,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:47:41,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:47:41,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:47:41,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:47:41" (1/1) ... [2019-09-20 15:47:41,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2acf3c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:41, skipping insertion in model container [2019-09-20 15:47:41,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:47:41" (1/1) ... [2019-09-20 15:47:41,850 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:47:41,899 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:47:42,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:47:42,361 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:47:42,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:47:42,512 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:47:42,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42 WrapperNode [2019-09-20 15:47:42,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:47:42,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:47:42,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:47:42,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:47:42,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42" (1/1) ... [2019-09-20 15:47:42,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42" (1/1) ... [2019-09-20 15:47:42,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42" (1/1) ... [2019-09-20 15:47:42,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42" (1/1) ... [2019-09-20 15:47:42,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42" (1/1) ... [2019-09-20 15:47:42,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42" (1/1) ... [2019-09-20 15:47:42,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42" (1/1) ... [2019-09-20 15:47:42,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:47:42,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:47:42,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:47:42,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:47:42,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42" (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 [2019-09-20 15:47:42,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:47:42,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:47:42,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:47:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:47:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:47:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:47:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:47:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:47:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:47:42,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:47:42,676 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:47:42,676 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:47:42,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:47:42,676 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:47:42,677 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:47:42,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:47:42,677 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:47:42,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:47:42,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:47:42,677 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:47:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:47:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:47:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:47:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:47:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:47:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:47:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:47:42,679 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:47:42,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:47:42,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:47:42,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:47:42,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:47:42,680 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:47:42,680 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:47:42,680 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:47:42,680 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:47:42,680 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:47:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:47:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:47:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:47:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:47:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:47:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:47:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:47:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:47:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:47:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:47:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:47:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:47:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:47:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:47:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:47:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:47:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:47:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:47:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:47:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:47:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:47:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:47:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:47:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:47:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:47:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:47:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:47:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:47:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:47:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:47:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:47:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:47:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:47:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:47:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:47:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:47:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:47:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:47:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:47:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:47:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:47:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:47:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:47:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:47:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:47:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:47:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:47:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:47:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:47:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:47:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:47:44,214 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:47:44,214 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:47:44,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:47:44 BoogieIcfgContainer [2019-09-20 15:47:44,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:47:44,216 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:47:44,216 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:47:44,217 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:47:44,218 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:47:44" (1/1) ... [2019-09-20 15:47:44,218 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 [2019-09-20 15:47:44,247 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:47:44,247 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:47:44,259 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:47:44,274 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:47:44,276 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:47:55,341 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:47:57,239 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:47:57,392 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:47:57,542 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:47:57,692 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:47:57,728 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-20 15:47:57,804 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-20 15:47:57,809 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-20 15:47:58,422 WARN L191 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:47:58,864 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:47:59,191 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:47:59,473 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:47:59,948 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:48:00,308 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:48:00,803 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 529 [2019-09-20 15:48:01,155 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-20 15:48:01,494 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:48:01,782 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:48:02,319 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:48:02,625 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:48:02,979 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:48:03,279 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:48:04,061 WARN L191 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 555 [2019-09-20 15:48:05,445 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 555 [2019-09-20 15:48:06,035 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 543 [2019-09-20 15:48:06,352 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 541 [2019-09-20 15:48:06,849 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 554 [2019-09-20 15:48:06,929 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-20 15:48:06,984 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:48:06,995 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 20 for LOIs [2019-09-20 15:48:07,000 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2019-09-20 15:48:07,003 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:48:07,003 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:48:07,005 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 316#(and (<= ~pumpRunning~0 2147483647) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-20 15:48:07,019 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:48:07,019 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:48:07,021 INFO L168 Benchmark]: Toolchain (without parser) took 25184.59 ms. Allocated memory was 141.6 MB in the beginning and 667.4 MB in the end (delta: 525.9 MB). Free memory was 87.1 MB in the beginning and 537.0 MB in the end (delta: -449.9 MB). Peak memory consumption was 76.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:07,022 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.6 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:48:07,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.19 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 86.9 MB in the beginning and 167.7 MB in the end (delta: -80.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:07,024 INFO L168 Benchmark]: Boogie Preprocessor took 94.53 ms. Allocated memory is still 200.8 MB. Free memory was 167.7 MB in the beginning and 163.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:07,025 INFO L168 Benchmark]: RCFGBuilder took 1607.47 ms. Allocated memory was 200.8 MB in the beginning and 228.6 MB in the end (delta: 27.8 MB). Free memory was 163.0 MB in the beginning and 147.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:07,026 INFO L168 Benchmark]: Sifa took 22803.09 ms. Allocated memory was 228.6 MB in the beginning and 667.4 MB in the end (delta: 438.8 MB). Free memory was 147.7 MB in the beginning and 537.0 MB in the end (delta: -389.3 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:07,030 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 141.6 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 676.19 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 86.9 MB in the beginning and 167.7 MB in the end (delta: -80.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.53 ms. Allocated memory is still 200.8 MB. Free memory was 167.7 MB in the beginning and 163.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1607.47 ms. Allocated memory was 200.8 MB in the beginning and 228.6 MB in the end (delta: 27.8 MB). Free memory was 163.0 MB in the beginning and 147.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. * Sifa took 22803.09 ms. Allocated memory was 228.6 MB in the beginning and 667.4 MB in the end (delta: 438.8 MB). Free memory was 147.7 MB in the beginning and 537.0 MB in the end (delta: -389.3 MB). Peak memory consumption was 49.5 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]: 22759, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 168, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 109, TOOLS_POST_TIME[ms]: 13122, TOOLS_POST_CALL_APPLICATIONS: 48, TOOLS_POST_CALL_TIME[ms]: 261, TOOLS_POST_RETURN_APPLICATIONS: 39, TOOLS_POST_RETURN_TIME[ms]: 109, TOOLS_QUANTIFIERELIM_APPLICATIONS: 196, TOOLS_QUANTIFIERELIM_TIME[ms]: 13386, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13004, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 174, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 52, DOMAIN_JOIN_TIME[ms]: 7836, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1111, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 41, DOMAIN_ISBOTTOM_APPLICATIONS: 26, DOMAIN_ISBOTTOM_TIME[ms]: 99, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9122, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9121, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 39, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13437, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13437, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 12, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 46, DAG_COMPRESSION_PROCESSED_NODES: 330, DAG_COMPRESSION_RETAINED_NODES: 166 - UnprovableResult [Line: 543]: 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 316#(and (<= ~pumpRunning~0 2147483647) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...