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_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 19:34:40,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 19:34:40,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 19:34:40,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 19:34:40,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 19:34:40,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 19:34:40,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 19:34:40,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 19:34:40,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 19:34:40,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 19:34:40,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 19:34:40,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 19:34:40,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 19:34:40,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 19:34:40,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 19:34:40,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 19:34:40,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 19:34:40,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 19:34:40,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 19:34:40,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 19:34:40,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 19:34:40,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 19:34:40,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 19:34:40,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 19:34:40,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 19:34:40,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 19:34:40,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 19:34:40,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 19:34:40,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 19:34:40,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 19:34:40,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 19:34:40,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 19:34:40,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 19:34:40,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 19:34:40,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 19:34:40,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 19:34:40,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 19:34:40,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 19:34:40,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 19:34:40,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 19:34:40,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 19:34:40,889 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 [2019-09-16 19:34:40,903 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 19:34:40,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 19:34:40,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 19:34:40,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 19:34:40,905 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 19:34:40,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 19:34:40,906 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 19:34:40,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 19:34:40,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 19:34:40,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 19:34:40,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 19:34:40,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 19:34:40,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 19:34:40,907 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 19:34:40,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 19:34:40,908 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 19:34:40,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 19:34:40,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 19:34:40,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 19:34:40,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 19:34:40,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 19:34:40,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 19:34:40,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 19:34:40,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 19:34:40,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 19:34:40,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 19:34:40,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 19:34:40,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 19:34:40,910 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_DDA [2019-09-16 19:34:40,943 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 19:34:40,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 19:34:40,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 19:34:40,968 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 19:34:40,968 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 19:34:40,969 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2019-09-16 19:34:41,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d9afe4ae/6c62665f3aa84633bebcf08153b7f11d/FLAG445801edb [2019-09-16 19:34:41,562 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 19:34:41,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2019-09-16 19:34:41,582 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d9afe4ae/6c62665f3aa84633bebcf08153b7f11d/FLAG445801edb [2019-09-16 19:34:41,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d9afe4ae/6c62665f3aa84633bebcf08153b7f11d [2019-09-16 19:34:41,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 19:34:41,938 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 19:34:41,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 19:34:41,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 19:34:41,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 19:34:41,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:34:41" (1/1) ... [2019-09-16 19:34:41,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@548043f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:41, skipping insertion in model container [2019-09-16 19:34:41,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:34:41" (1/1) ... [2019-09-16 19:34:41,955 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 19:34:42,007 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 19:34:42,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:34:42,511 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 19:34:42,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:34:42,653 INFO L192 MainTranslator]: Completed translation [2019-09-16 19:34:42,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:42 WrapperNode [2019-09-16 19:34:42,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 19:34:42,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 19:34:42,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 19:34:42,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 19:34:42,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:42" (1/1) ... [2019-09-16 19:34:42,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:42" (1/1) ... [2019-09-16 19:34:42,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:42" (1/1) ... [2019-09-16 19:34:42,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:42" (1/1) ... [2019-09-16 19:34:42,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:42" (1/1) ... [2019-09-16 19:34:42,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:42" (1/1) ... [2019-09-16 19:34:42,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:42" (1/1) ... [2019-09-16 19:34:42,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 19:34:42,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 19:34:42,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 19:34:42,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 19:34:42,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:42" (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 [2019-09-16 19:34:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 19:34:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 19:34:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 19:34:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 19:34:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 19:34:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 19:34:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 19:34:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 19:34:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 19:34:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 19:34:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 19:34:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 19:34:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 19:34:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-16 19:34:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 19:34:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 19:34:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 19:34:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 19:34:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 19:34:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-16 19:34:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 19:34:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 19:34:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 19:34:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 19:34:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 19:34:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 19:34:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 19:34:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 19:34:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 19:34:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 19:34:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 19:34:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 19:34:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 19:34:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 19:34:42,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 19:34:42,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 19:34:42,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 19:34:42,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 19:34:42,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 19:34:42,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 19:34:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 19:34:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 19:34:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 19:34:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-16 19:34:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 19:34:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 19:34:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 19:34:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 19:34:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 19:34:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 19:34:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 19:34:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 19:34:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 19:34:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 19:34:42,832 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 19:34:42,832 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-16 19:34:42,832 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 19:34:42,832 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 19:34:42,832 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 19:34:42,832 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 19:34:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 19:34:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 19:34:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 19:34:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 19:34:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 19:34:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 19:34:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 19:34:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 19:34:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 19:34:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 19:34:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 19:34:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 19:34:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 19:34:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 19:34:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 19:34:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 19:34:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 19:34:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 19:34:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 19:34:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 19:34:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 19:34:42,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 19:34:42,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 19:34:42,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 19:34:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 19:34:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 19:34:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 19:34:42,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 19:34:42,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 19:34:42,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 19:34:44,310 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 19:34:44,310 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 19:34:44,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:34:44 BoogieIcfgContainer [2019-09-16 19:34:44,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 19:34:44,312 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 19:34:44,312 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 19:34:44,313 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 19:34:44,314 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:34:44" (1/1) ... [2019-09-16 19:34:44,314 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 19:34:44,341 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 19:34:44,341 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 19:34:44,351 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 19:34:44,366 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 19:34:44,367 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 19:35:06,851 WARN L191 SmtUtils]: Spent 13.58 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-16 19:35:08,538 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-16 19:35:12,366 WARN L191 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-16 19:35:14,187 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-16 19:35:15,944 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-16 19:35:15,959 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-16 19:35:16,045 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-16 19:35:16,051 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-16 19:35:27,384 WARN L191 SmtUtils]: Spent 11.19 s on a formula simplification. DAG size of input: 455 DAG size of output: 451 [2019-09-16 19:35:32,830 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-16 19:35:43,939 WARN L191 SmtUtils]: Spent 11.11 s on a formula simplification. DAG size of input: 455 DAG size of output: 451 [2019-09-16 19:35:49,394 WARN L191 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-16 19:36:03,969 WARN L191 SmtUtils]: Spent 14.47 s on a formula simplification. DAG size of input: 457 DAG size of output: 456 [2019-09-16 19:36:04,516 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-16 19:36:18,931 WARN L191 SmtUtils]: Spent 14.41 s on a formula simplification. DAG size of input: 457 DAG size of output: 456 [2019-09-16 19:36:19,479 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-16 19:36:19,763 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 74 [2019-09-16 19:36:20,081 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 74 [2019-09-16 19:36:20,455 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-16 19:36:20,737 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-16 19:36:21,468 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-16 19:36:21,792 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-16 19:36:23,967 WARN L191 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-16 19:36:26,153 WARN L191 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-16 19:36:28,685 WARN L191 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 492 DAG size of output: 116 [2019-09-16 19:36:29,071 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-16 19:36:31,511 WARN L191 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 492 DAG size of output: 116 [2019-09-16 19:36:31,874 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-16 19:36:32,747 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 122 [2019-09-16 19:36:33,579 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 122 [2019-09-16 19:36:37,727 WARN L191 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 477 DAG size of output: 458 [2019-09-16 19:36:39,622 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-16 19:36:41,857 WARN L191 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 478 DAG size of output: 47 [2019-09-16 19:36:44,105 WARN L191 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 478 DAG size of output: 47 [2019-09-16 19:36:44,462 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 53 [2019-09-16 19:36:44,721 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 53 [2019-09-16 19:36:44,990 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 35 [2019-09-16 19:36:55,746 WARN L191 SmtUtils]: Spent 10.66 s on a formula simplification. DAG size of input: 475 DAG size of output: 475 [2019-09-16 19:37:01,083 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-16 19:37:11,775 WARN L191 SmtUtils]: Spent 10.69 s on a formula simplification. DAG size of input: 475 DAG size of output: 475 [2019-09-16 19:37:17,128 WARN L191 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-16 19:37:27,838 WARN L191 SmtUtils]: Spent 10.70 s on a formula simplification. DAG size of input: 477 DAG size of output: 477 [2019-09-16 19:37:33,304 WARN L191 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-16 19:37:44,080 WARN L191 SmtUtils]: Spent 10.77 s on a formula simplification. DAG size of input: 477 DAG size of output: 477 [2019-09-16 19:37:49,452 WARN L191 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-16 19:38:07,392 WARN L191 SmtUtils]: Spent 17.92 s on a formula simplification. DAG size of input: 490 DAG size of output: 490 [2019-09-16 19:38:16,389 WARN L191 SmtUtils]: Spent 9.00 s on a formula simplification that was a NOOP. DAG size: 490 [2019-09-16 19:38:35,047 WARN L191 SmtUtils]: Spent 18.60 s on a formula simplification. DAG size of input: 490 DAG size of output: 490 [2019-09-16 19:38:44,273 WARN L191 SmtUtils]: Spent 9.23 s on a formula simplification that was a NOOP. DAG size: 490 [2019-09-16 19:38:47,579 WARN L191 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 512 DAG size of output: 72 [2019-09-16 19:38:47,767 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-16 19:38:47,770 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 22 for LOIs [2019-09-16 19:38:48,244 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-09-16 19:38:48,476 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-16 19:38:48,725 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-16 19:38:49,016 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-16 19:38:49,283 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-16 19:38:49,617 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-16 19:38:49,735 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-16 19:38:49,828 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 11 for LOIs [2019-09-16 19:38:49,832 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 18 for LOIs [2019-09-16 19:38:49,855 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 19:38:49,856 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 19:38:49,858 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 447#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-16 19:38:49,869 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 19:38:49,869 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 19:38:49,871 INFO L168 Benchmark]: Toolchain (without parser) took 247933.24 ms. Allocated memory was 133.2 MB in the beginning and 155.7 MB in the end (delta: 22.5 MB). Free memory was 88.2 MB in the beginning and 115.5 MB in the end (delta: -27.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 19:38:49,872 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 19:38:49,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.20 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 87.9 MB in the beginning and 165.8 MB in the end (delta: -77.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-16 19:38:49,873 INFO L168 Benchmark]: Boogie Preprocessor took 102.00 ms. Allocated memory is still 200.8 MB. Free memory was 165.8 MB in the beginning and 162.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-16 19:38:49,874 INFO L168 Benchmark]: RCFGBuilder took 1555.16 ms. Allocated memory was 200.8 MB in the beginning and 225.4 MB in the end (delta: 24.6 MB). Free memory was 161.4 MB in the beginning and 151.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2019-09-16 19:38:49,875 INFO L168 Benchmark]: Sifa took 245557.26 ms. Allocated memory was 225.4 MB in the beginning and 155.7 MB in the end (delta: -69.7 MB). Free memory was 151.0 MB in the beginning and 115.5 MB in the end (delta: 35.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 19:38:49,879 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.20 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 87.9 MB in the beginning and 165.8 MB in the end (delta: -77.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.00 ms. Allocated memory is still 200.8 MB. Free memory was 165.8 MB in the beginning and 162.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1555.16 ms. Allocated memory was 200.8 MB in the beginning and 225.4 MB in the end (delta: 24.6 MB). Free memory was 161.4 MB in the beginning and 151.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * Sifa took 245557.26 ms. Allocated memory was 225.4 MB in the beginning and 155.7 MB in the end (delta: -69.7 MB). Free memory was 151.0 MB in the beginning and 115.5 MB in the end (delta: 35.5 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]: 245513, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 222, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 149, TOOLS_POST_TIME[ms]: 28076, TOOLS_POST_CALL_APPLICATIONS: 62, TOOLS_POST_CALL_TIME[ms]: 181, TOOLS_POST_RETURN_APPLICATIONS: 53, TOOLS_POST_RETURN_TIME[ms]: 100, TOOLS_QUANTIFIERELIM_APPLICATIONS: 264, TOOLS_QUANTIFIERELIM_TIME[ms]: 28246, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27941, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 230, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 74, DOMAIN_JOIN_TIME[ms]: 205502, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 11080, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 29, DOMAIN_ISBOTTOM_APPLICATIONS: 42, DOMAIN_ISBOTTOM_TIME[ms]: 411, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 90690, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 90689, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 53, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 32099, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 32098, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 410, DAG_COMPRESSION_RETAINED_NODES: 184 - UnprovableResult [Line: 536]: 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 447#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...