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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:24:12,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:24:12,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:24:13,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:24:13,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:24:13,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:24:13,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:24:13,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:24:13,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:24:13,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:24:13,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:24:13,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:24:13,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:24:13,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:24:13,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:24:13,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:24:13,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:24:13,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:24:13,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:24:13,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:24:13,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:24:13,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:24:13,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:24:13,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:24:13,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:24:13,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:24:13,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:24:13,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:24:13,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:24:13,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:24:13,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:24:13,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:24:13,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:24:13,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:24:13,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:24:13,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:24:13,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:24:13,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:24:13,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:24:13,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:24:13,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:24:13,039 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-19 17:24:13,055 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:24:13,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:24:13,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:24:13,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:24:13,057 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:24:13,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:24:13,057 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:24:13,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:24:13,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:24:13,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:24:13,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:24:13,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:24:13,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:24:13,059 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:24:13,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:24:13,059 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:24:13,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:24:13,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:24:13,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:24:13,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:24:13,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:24:13,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:24:13,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:24:13,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:24:13,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:24:13,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:24:13,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:24:13,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:24:13,062 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 17:24:13,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:24:13,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:24:13,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:24:13,131 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:24:13,131 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:24:13,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2019-09-19 17:24:13,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ed9fb624/d622b49a43ed4a649e5b600b7d7bc2ec/FLAGde483f6b9 [2019-09-19 17:24:13,724 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:24:13,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2019-09-19 17:24:13,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ed9fb624/d622b49a43ed4a649e5b600b7d7bc2ec/FLAGde483f6b9 [2019-09-19 17:24:14,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ed9fb624/d622b49a43ed4a649e5b600b7d7bc2ec [2019-09-19 17:24:14,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:24:14,043 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:24:14,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:24:14,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:24:14,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:24:14,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:24:14" (1/1) ... [2019-09-19 17:24:14,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a7f8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:14, skipping insertion in model container [2019-09-19 17:24:14,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:24:14" (1/1) ... [2019-09-19 17:24:14,060 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:24:14,119 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:24:14,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:24:14,575 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:24:14,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:24:14,692 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:24:14,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:14 WrapperNode [2019-09-19 17:24:14,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:24:14,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:24:14,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:24:14,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:24:14,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:14" (1/1) ... [2019-09-19 17:24:14,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:14" (1/1) ... [2019-09-19 17:24:14,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:14" (1/1) ... [2019-09-19 17:24:14,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:14" (1/1) ... [2019-09-19 17:24:14,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:14" (1/1) ... [2019-09-19 17:24:14,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:14" (1/1) ... [2019-09-19 17:24:14,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:14" (1/1) ... [2019-09-19 17:24:14,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:24:14,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:24:14,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:24:14,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:24:14,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:24:14,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:24:14,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:24:14,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 17:24:14,854 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 17:24:14,854 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 17:24:14,854 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 17:24:14,854 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 17:24:14,855 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 17:24:14,855 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 17:24:14,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 17:24:14,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 17:24:14,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 17:24:14,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 17:24:14,856 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 17:24:14,856 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 17:24:14,856 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 17:24:14,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 17:24:14,856 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 17:24:14,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:24:14,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-19 17:24:14,857 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 17:24:14,857 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 17:24:14,857 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 17:24:14,857 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 17:24:14,858 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 17:24:14,858 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 17:24:14,858 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 17:24:14,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 17:24:14,858 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 17:24:14,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 17:24:14,859 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 17:24:14,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 17:24:14,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 17:24:14,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 17:24:14,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 17:24:14,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 17:24:14,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 17:24:14,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 17:24:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:24:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:24:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 17:24:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 17:24:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 17:24:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 17:24:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 17:24:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 17:24:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 17:24:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 17:24:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 17:24:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 17:24:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 17:24:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 17:24:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 17:24:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 17:24:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 17:24:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-19 17:24:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 17:24:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 17:24:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 17:24:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 17:24:14,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 17:24:14,864 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 17:24:14,864 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 17:24:14,864 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 17:24:14,864 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 17:24:14,864 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 17:24:14,865 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 17:24:14,865 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:24:14,865 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 17:24:14,865 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 17:24:14,865 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 17:24:14,865 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 17:24:14,865 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 17:24:14,866 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 17:24:14,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 17:24:14,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 17:24:14,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 17:24:14,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 17:24:14,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 17:24:14,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 17:24:14,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 17:24:14,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 17:24:14,867 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 17:24:14,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 17:24:14,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 17:24:14,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 17:24:14,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 17:24:14,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:24:14,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 17:24:14,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:24:16,584 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:24:16,584 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 17:24:16,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:24:16 BoogieIcfgContainer [2019-09-19 17:24:16,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:24:16,586 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:24:16,587 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:24:16,587 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:24:16,588 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:24:16" (1/1) ... [2019-09-19 17:24:16,589 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-19 17:24:16,616 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:24:16,617 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:24:16,627 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:24:16,637 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:24:16,639 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:24:39,875 WARN L191 SmtUtils]: Spent 14.04 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 17:24:41,714 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 17:24:45,965 WARN L191 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 17:24:47,872 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 17:24:49,723 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 17:24:49,749 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 13 for LOIs [2019-09-19 17:24:49,781 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 13 for LOIs [2019-09-19 17:24:49,789 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 13 for LOIs [2019-09-19 17:24:50,721 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-19 17:24:50,760 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 17:24:50,769 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-19 17:24:50,780 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 1 for LOIs [2019-09-19 17:24:50,782 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:24:50,782 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:24:50,784 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 552#true [2019-09-19 17:24:50,801 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:24:50,802 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:24:50,805 INFO L168 Benchmark]: Toolchain (without parser) took 36760.45 ms. Allocated memory was 133.7 MB in the beginning and 447.2 MB in the end (delta: 313.5 MB). Free memory was 88.8 MB in the beginning and 328.4 MB in the end (delta: -239.7 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:50,807 INFO L168 Benchmark]: CDTParser took 1.17 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 17:24:50,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.32 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.5 MB in the beginning and 166.3 MB in the end (delta: -77.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:50,811 INFO L168 Benchmark]: Boogie Preprocessor took 90.20 ms. Allocated memory is still 200.8 MB. Free memory was 166.3 MB in the beginning and 162.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:50,817 INFO L168 Benchmark]: RCFGBuilder took 1802.42 ms. Allocated memory was 200.8 MB in the beginning and 226.0 MB in the end (delta: 25.2 MB). Free memory was 162.0 MB in the beginning and 150.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:50,818 INFO L168 Benchmark]: Sifa took 34215.62 ms. Allocated memory was 226.0 MB in the beginning and 447.2 MB in the end (delta: 221.2 MB). Free memory was 150.2 MB in the beginning and 328.4 MB in the end (delta: -178.2 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:50,832 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.32 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.5 MB in the beginning and 166.3 MB in the end (delta: -77.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.20 ms. Allocated memory is still 200.8 MB. Free memory was 166.3 MB in the beginning and 162.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1802.42 ms. Allocated memory was 200.8 MB in the beginning and 226.0 MB in the end (delta: 25.2 MB). Free memory was 162.0 MB in the beginning and 150.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * Sifa took 34215.62 ms. Allocated memory was 226.0 MB in the beginning and 447.2 MB in the end (delta: 221.2 MB). Free memory was 150.2 MB in the beginning and 328.4 MB in the end (delta: -178.2 MB). Peak memory consumption was 43.0 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]: 34168, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 185, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 121, TOOLS_POST_TIME[ms]: 29259, TOOLS_POST_CALL_APPLICATIONS: 53, TOOLS_POST_CALL_TIME[ms]: 65, TOOLS_POST_RETURN_APPLICATIONS: 44, TOOLS_POST_RETURN_TIME[ms]: 28, TOOLS_QUANTIFIERELIM_APPLICATIONS: 218, TOOLS_QUANTIFIERELIM_TIME[ms]: 29291, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29229, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 188, FLUID_YES_ANSWERS: 188, DOMAIN_JOIN_APPLICATIONS: 62, DOMAIN_JOIN_TIME[ms]: 4426, DOMAIN_ALPHA_APPLICATIONS: 188, DOMAIN_ALPHA_TIME[ms]: 220, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 35, DOMAIN_ISBOTTOM_TIME[ms]: 41, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 825, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 824, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 44, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33281, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33279, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 30, 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 552#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...