java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:51:51,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:51:51,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:51:51,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:51:51,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:51:51,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:51:51,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:51:51,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:51:51,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:51:51,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:51:51,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:51:51,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:51:51,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:51:51,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:51:51,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:51:51,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:51:51,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:51:51,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:51:51,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:51:51,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:51:51,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:51:51,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:51:51,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:51:51,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:51:51,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:51:51,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:51:51,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:51:51,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:51:51,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:51:51,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:51:51,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:51:51,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:51:51,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:51:51,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:51:51,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:51:51,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:51:51,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:51:51,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:51:51,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:51:51,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:51:51,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:51:51,860 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 15:51:51,886 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:51:51,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:51:51,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:51:51,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:51:51,888 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:51:51,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:51:51,888 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:51:51,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:51:51,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:51:51,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:51:51,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:51:51,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:51:51,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:51:51,890 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:51:51,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:51:51,890 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:51:51,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:51:51,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:51:51,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:51:51,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:51:51,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:51:51,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:51:51,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:51:51,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:51:51,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:51:51,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:51:51,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:51:51,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:51:51,896 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 15:51:51,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:51:51,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:51:51,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:51:51,956 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:51:51,956 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:51:51,957 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2019-09-20 15:51:52,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d98ef60a/662ad46552df47f7881bad886a578a63/FLAGa41f7ef28 [2019-09-20 15:51:52,562 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:51:52,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2019-09-20 15:51:52,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d98ef60a/662ad46552df47f7881bad886a578a63/FLAGa41f7ef28 [2019-09-20 15:51:52,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d98ef60a/662ad46552df47f7881bad886a578a63 [2019-09-20 15:51:52,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:51:52,879 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:51:52,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:51:52,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:51:52,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:51:52,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:51:52" (1/1) ... [2019-09-20 15:51:52,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@242ad12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:52, skipping insertion in model container [2019-09-20 15:51:52,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:51:52" (1/1) ... [2019-09-20 15:51:52,893 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:51:52,938 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:51:53,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:51:53,476 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:51:53,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:51:53,603 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:51:53,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:53 WrapperNode [2019-09-20 15:51:53,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:51:53,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:51:53,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:51:53,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:51:53,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:53" (1/1) ... [2019-09-20 15:51:53,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:53" (1/1) ... [2019-09-20 15:51:53,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:53" (1/1) ... [2019-09-20 15:51:53,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:53" (1/1) ... [2019-09-20 15:51:53,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:53" (1/1) ... [2019-09-20 15:51:53,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:53" (1/1) ... [2019-09-20 15:51:53,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:53" (1/1) ... [2019-09-20 15:51:53,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:51:53,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:51:53,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:51:53,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:51:53,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:53" (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 15:51:53,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:51:53,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:51:53,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:51:53,739 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:51:53,739 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:51:53,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:51:53,740 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:51:53,740 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:51:53,740 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:51:53,740 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:51:53,741 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:51:53,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:51:53,741 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:51:53,741 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:51:53,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:51:53,741 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:51:53,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:51:53,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:51:53,742 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:51:53,742 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:51:53,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:51:53,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:51:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:51:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:51:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:51:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:51:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:51:53,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:51:53,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:51:53,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:51:53,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:51:53,744 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:51:53,744 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:51:53,745 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:51:53,745 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:51:53,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:51:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:51:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:51:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:51:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:51:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:51:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:51:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:51:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:51:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:51:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:51:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:51:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:51:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:51:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:51:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:51:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:51:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:51:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:51:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:51:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:51:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:51:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:51:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:51:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:51:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:51:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:51:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:51:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:51:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:51:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:51:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:51:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:51:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:51:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:51:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:51:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:51:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:51:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:51:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:51:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:51:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:51:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:51:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:51:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:51:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:51:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:51:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:51:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:51:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:51:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:51:55,323 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:51:55,323 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:51:55,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:51:55 BoogieIcfgContainer [2019-09-20 15:51:55,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:51:55,326 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:51:55,326 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:51:55,326 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:51:55,327 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:51:55" (1/1) ... [2019-09-20 15:51:55,328 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 15:51:55,352 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:51:55,353 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:51:55,361 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:51:55,371 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:51:55,372 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:52:03,684 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:52:05,484 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:52:05,607 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:05,752 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:05,890 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:05,906 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:52:05,963 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:52:05,970 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:52:06,486 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:06,848 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:07,367 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:07,746 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:08,266 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 517 [2019-09-20 15:52:08,631 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-20 15:52:09,233 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-20 15:52:09,593 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-20 15:52:10,014 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:52:10,366 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:52:11,185 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-20 15:52:11,797 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-20 15:52:12,291 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 520 [2019-09-20 15:52:12,509 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:52:12,899 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:52:14,031 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:52:14,342 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 22 for LOIs [2019-09-20 15:52:14,392 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:52:14,404 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-20 15:52:14,407 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-20 15:52:14,408 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:52:14,408 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:52:14,410 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 786#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:52:14,422 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:52:14,423 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:52:14,425 INFO L168 Benchmark]: Toolchain (without parser) took 21545.39 ms. Allocated memory was 132.1 MB in the beginning and 682.6 MB in the end (delta: 550.5 MB). Free memory was 85.4 MB in the beginning and 616.8 MB in the end (delta: -531.4 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:14,426 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:52:14,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.52 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 85.2 MB in the beginning and 164.5 MB in the end (delta: -79.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:14,428 INFO L168 Benchmark]: Boogie Preprocessor took 77.75 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 160.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:14,429 INFO L168 Benchmark]: RCFGBuilder took 1642.67 ms. Allocated memory was 199.2 MB in the beginning and 222.3 MB in the end (delta: 23.1 MB). Free memory was 160.1 MB in the beginning and 149.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:14,429 INFO L168 Benchmark]: Sifa took 19097.15 ms. Allocated memory was 222.3 MB in the beginning and 682.6 MB in the end (delta: 460.3 MB). Free memory was 149.4 MB in the beginning and 616.8 MB in the end (delta: -467.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:52:14,433 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 724.52 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 85.2 MB in the beginning and 164.5 MB in the end (delta: -79.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 77.75 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 160.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1642.67 ms. Allocated memory was 199.2 MB in the beginning and 222.3 MB in the end (delta: 23.1 MB). Free memory was 160.1 MB in the beginning and 149.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. * Sifa took 19097.15 ms. Allocated memory was 222.3 MB in the beginning and 682.6 MB in the end (delta: 460.3 MB). Free memory was 149.4 MB in the beginning and 616.8 MB in the end (delta: -467.4 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]: 19058, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 447, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 294, TOOLS_POST_TIME[ms]: 10395, TOOLS_POST_CALL_APPLICATIONS: 117, TOOLS_POST_CALL_TIME[ms]: 324, TOOLS_POST_RETURN_APPLICATIONS: 108, TOOLS_POST_RETURN_TIME[ms]: 167, TOOLS_QUANTIFIERELIM_APPLICATIONS: 519, TOOLS_QUANTIFIERELIM_TIME[ms]: 10712, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10163, FLUID_QUERY_TIME[ms]: 18, FLUID_QUERIES: 469, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 115, DOMAIN_JOIN_TIME[ms]: 6416, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 1383, DOMAIN_ISSUBSETEQ_APPLICATIONS: 22, DOMAIN_ISSUBSETEQ_TIME[ms]: 60, DOMAIN_ISBOTTOM_APPLICATIONS: 66, DOMAIN_ISBOTTOM_TIME[ms]: 145, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7872, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7871, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 22, CALL_SUMMARIZER_APPLICATIONS: 108, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10590, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10588, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 487, DAG_COMPRESSION_RETAINED_NODES: 273 - UnprovableResult [Line: 872]: 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 786#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...