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 NONE -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:09:59,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:09:59,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:09:59,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:09:59,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:09:59,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:09:59,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:09:59,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:09:59,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:09:59,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:09:59,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:09:59,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:09:59,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:09:59,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:09:59,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:09:59,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:09:59,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:09:59,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:09:59,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:09:59,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:09:59,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:09:59,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:09:59,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:09:59,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:09:59,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:09:59,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:09:59,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:09:59,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:09:59,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:09:59,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:09:59,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:09:59,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:09:59,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:09:59,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:09:59,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:09:59,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:09:59,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:09:59,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:09:59,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:09:59,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:09:59,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:09:59,866 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 15:09:59,880 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:09:59,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:09:59,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:09:59,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:09:59,882 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:09:59,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:09:59,882 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:09:59,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:09:59,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:09:59,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:09:59,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:09:59,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:09:59,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:09:59,883 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:09:59,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:09:59,884 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:09:59,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:09:59,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:09:59,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:09:59,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:09:59,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:09:59,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:09:59,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:09:59,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:09:59,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:09:59,886 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:09:59,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:09:59,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:09:59,886 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 -> NONE [2019-09-20 15:09:59,929 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:09:59,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:09:59,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:09:59,946 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:09:59,946 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:09:59,947 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2019-09-20 15:10:00,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76156f2d7/6547cdb3051c40769cf13e8818fe3c91/FLAG424d3794e [2019-09-20 15:10:00,529 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:10:00,532 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2019-09-20 15:10:00,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76156f2d7/6547cdb3051c40769cf13e8818fe3c91/FLAG424d3794e [2019-09-20 15:10:00,829 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76156f2d7/6547cdb3051c40769cf13e8818fe3c91 [2019-09-20 15:10:00,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:10:00,840 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:10:00,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:10:00,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:10:00,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:10:00,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:10:00" (1/1) ... [2019-09-20 15:10:00,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad02aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:00, skipping insertion in model container [2019-09-20 15:10:00,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:10:00" (1/1) ... [2019-09-20 15:10:00,854 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:10:00,908 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:10:01,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:10:01,423 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:10:01,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:10:01,580 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:10:01,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:01 WrapperNode [2019-09-20 15:10:01,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:10:01,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:10:01,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:10:01,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:10:01,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:01" (1/1) ... [2019-09-20 15:10:01,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:01" (1/1) ... [2019-09-20 15:10:01,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:01" (1/1) ... [2019-09-20 15:10:01,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:01" (1/1) ... [2019-09-20 15:10:01,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:01" (1/1) ... [2019-09-20 15:10:01,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:01" (1/1) ... [2019-09-20 15:10:01,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:01" (1/1) ... [2019-09-20 15:10:01,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:10:01,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:10:01,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:10:01,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:10:01,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:01" (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 15:10:01,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:10:01,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:10:01,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:10:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:10:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:10:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:10:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:10:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:10:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:10:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:10:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:10:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:10:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:10:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:10:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:10:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:10:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:10:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:10:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:10:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:10:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:10:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:10:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:10:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:10:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:10:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:10:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:10:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:10:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:10:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:10:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:10:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:10:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:10:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:10:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:10:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:10:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:10:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:10:01,755 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:10:01,755 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:10:01,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:10:01,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:10:01,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:10:01,755 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:10:01,755 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:10:01,756 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:10:01,756 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:10:01,756 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:10:01,756 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:10:01,756 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:10:01,756 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:10:01,756 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:10:01,757 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:10:01,757 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:10:01,757 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:10:01,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:10:01,757 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:10:01,757 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:10:01,758 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:10:01,758 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:10:01,758 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:10:01,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:10:01,758 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:10:01,758 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:10:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:10:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:10:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:10:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:10:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:10:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:10:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:10:01,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:10:01,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:10:01,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:10:01,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:10:01,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:10:01,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:10:01,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:10:01,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:10:01,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:10:01,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:10:01,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:10:01,761 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:10:01,761 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:10:01,762 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:10:01,762 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:10:01,762 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:10:01,762 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:10:01,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:10:01,762 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:10:01,763 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:10:01,763 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:10:01,763 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:10:01,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:10:01,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:10:01,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:10:03,202 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:10:03,202 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:10:03,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:03 BoogieIcfgContainer [2019-09-20 15:10:03,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:10:03,204 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:10:03,204 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:10:03,205 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:10:03,206 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:03" (1/1) ... [2019-09-20 15:10:03,206 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:10:03,230 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:10:03,231 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:10:03,239 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:10:03,250 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:10:03,251 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:10:14,699 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:10:14,727 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:10:14,772 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:10:14,786 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:10:15,534 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 28 for LOIs [2019-09-20 15:10:15,563 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2019-09-20 15:10:15,576 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 21 for LOIs [2019-09-20 15:10:15,581 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2019-09-20 15:10:15,581 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:10:15,581 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:10:15,584 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 796#(and (not (= 0 ~methAndRunningLastTime~0)) (or (not (= 0 ~systemActive~0)) (and (or (= ~pumpRunning~0 0) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0)))) (= 0 ~systemActive~0))) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-20 15:10:15,599 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:10:15,599 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:10:15,602 INFO L168 Benchmark]: Toolchain (without parser) took 14760.81 ms. Allocated memory was 131.6 MB in the beginning and 331.4 MB in the end (delta: 199.8 MB). Free memory was 84.5 MB in the beginning and 232.3 MB in the end (delta: -147.8 MB). Peak memory consumption was 51.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:15,603 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory is still 104.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:10:15,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.93 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 84.5 MB in the beginning and 160.8 MB in the end (delta: -76.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:15,606 INFO L168 Benchmark]: Boogie Preprocessor took 101.92 ms. Allocated memory is still 198.2 MB. Free memory was 160.8 MB in the beginning and 156.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:15,612 INFO L168 Benchmark]: RCFGBuilder took 1520.53 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 156.2 MB in the beginning and 140.0 MB in the end (delta: 16.2 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:15,613 INFO L168 Benchmark]: Sifa took 12395.18 ms. Allocated memory was 220.2 MB in the beginning and 331.4 MB in the end (delta: 111.1 MB). Free memory was 140.0 MB in the beginning and 232.3 MB in the end (delta: -92.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:15,623 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 131.6 MB. Free memory is still 104.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 739.93 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 84.5 MB in the beginning and 160.8 MB in the end (delta: -76.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.92 ms. Allocated memory is still 198.2 MB. Free memory was 160.8 MB in the beginning and 156.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1520.53 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 156.2 MB in the beginning and 140.0 MB in the end (delta: 16.2 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. * Sifa took 12395.18 ms. Allocated memory was 220.2 MB in the beginning and 331.4 MB in the end (delta: 111.1 MB). Free memory was 140.0 MB in the beginning and 232.3 MB in the end (delta: -92.3 MB). Peak memory consumption was 18.8 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]: 12354, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 313, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 212, TOOLS_POST_TIME[ms]: 11507, TOOLS_POST_CALL_APPLICATIONS: 84, TOOLS_POST_CALL_TIME[ms]: 192, TOOLS_POST_RETURN_APPLICATIONS: 75, TOOLS_POST_RETURN_TIME[ms]: 98, TOOLS_QUANTIFIERELIM_APPLICATIONS: 371, TOOLS_QUANTIFIERELIM_TIME[ms]: 11675, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11389, FLUID_QUERY_TIME[ms]: 40, FLUID_QUERIES: 320, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 128, DOMAIN_JOIN_TIME[ms]: 52, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 87, DOMAIN_ISBOTTOM_TIME[ms]: 310, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 241, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 240, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 75, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11458, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11457, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 620, DAG_COMPRESSION_RETAINED_NODES: 250 - UnprovableResult [Line: 871]: 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 796#(and (not (= 0 ~methAndRunningLastTime~0)) (or (not (= 0 ~systemActive~0)) (and (or (= ~pumpRunning~0 0) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0)))) (= 0 ~systemActive~0))) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...