java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:53:55,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:53:55,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:53:55,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:53:55,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:53:55,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:53:55,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:53:55,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:53:55,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:53:55,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:53:55,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:53:55,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:53:55,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:53:55,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:53:55,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:53:55,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:53:55,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:53:55,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:53:55,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:53:55,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:53:55,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:53:55,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:53:55,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:53:55,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:53:55,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:53:55,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:53:55,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:53:55,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:53:55,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:53:55,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:53:55,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:53:55,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:53:55,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:53:55,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:53:55,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:53:55,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:53:55,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:53:55,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:53:55,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:53:55,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:53:55,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:53:55,183 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 15:53:55,197 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:53:55,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:53:55,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:53:55,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:53:55,199 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:53:55,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:53:55,199 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:53:55,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:53:55,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:53:55,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:53:55,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:53:55,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:53:55,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:53:55,201 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:53:55,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:53:55,201 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:53:55,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:53:55,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:53:55,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:53:55,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:53:55,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:53:55,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:53:55,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:53:55,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:53:55,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:53:55,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:53:55,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:53:55,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:53:55,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:53:55,251 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:53:55,264 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:53:55,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:53:55,269 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:53:55,269 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:53:55,270 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product16.cil.c [2019-09-20 15:53:55,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbd469f4a/c6b3c295e2a34f9d905e2cb4916fc51a/FLAGaf26ecfb0 [2019-09-20 15:53:55,853 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:53:55,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product16.cil.c [2019-09-20 15:53:55,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbd469f4a/c6b3c295e2a34f9d905e2cb4916fc51a/FLAGaf26ecfb0 [2019-09-20 15:53:56,175 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbd469f4a/c6b3c295e2a34f9d905e2cb4916fc51a [2019-09-20 15:53:56,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:53:56,187 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:53:56,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:53:56,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:53:56,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:53:56,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:53:56" (1/1) ... [2019-09-20 15:53:56,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ec9619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:56, skipping insertion in model container [2019-09-20 15:53:56,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:53:56" (1/1) ... [2019-09-20 15:53:56,203 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:53:56,267 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:53:56,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:53:56,706 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:53:56,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:53:56,890 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:53:56,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:56 WrapperNode [2019-09-20 15:53:56,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:53:56,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:53:56,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:53:56,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:53:56,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:56" (1/1) ... [2019-09-20 15:53:56,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:56" (1/1) ... [2019-09-20 15:53:56,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:56" (1/1) ... [2019-09-20 15:53:56,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:56" (1/1) ... [2019-09-20 15:53:56,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:56" (1/1) ... [2019-09-20 15:53:56,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:56" (1/1) ... [2019-09-20 15:53:56,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:56" (1/1) ... [2019-09-20 15:53:56,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:53:56,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:53:56,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:53:56,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:53:56,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:56" (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 15:53:57,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:53:57,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:53:57,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:53:57,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:53:57,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:53:57,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:53:57,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:53:57,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:53:57,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:53:57,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:53:57,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:53:57,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:53:57,071 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:53:57,071 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:53:57,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:53:57,071 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:53:57,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:53:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:53:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:53:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:53:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:53:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:53:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:53:57,073 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:53:57,073 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:53:57,073 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 15:53:57,073 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:53:57,073 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:53:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:53:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:53:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:53:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:53:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:53:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:53:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:53:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:53:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:53:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:53:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:53:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:53:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:53:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:53:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:53:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:53:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:53:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:53:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:53:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:53:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:53:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:53:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:53:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:53:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:53:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:53:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:53:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:53:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:53:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:53:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:53:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:53:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:53:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:53:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:53:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:53:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:53:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:53:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:53:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:53:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:53:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:53:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:53:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:53:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:53:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:53:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:53:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:53:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:53:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:53:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:53:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:53:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:53:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:53:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:53:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:53:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:53:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:53:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:53:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:53:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:53:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:53:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 15:53:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:53:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:53:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:53:58,635 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:53:58,635 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:53:58,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:53:58 BoogieIcfgContainer [2019-09-20 15:53:58,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:53:58,638 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:53:58,638 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:53:58,638 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:53:58,639 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:53:58" (1/1) ... [2019-09-20 15:53:58,640 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:53:58,670 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:53:58,671 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:53:58,683 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:53:58,692 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:53:58,693 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:54:09,436 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:54:11,098 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:54:11,259 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:11,390 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:11,503 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:11,527 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:54:11,583 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:54:11,600 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:54:11,802 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-20 15:54:11,936 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-20 15:54:12,297 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:12,647 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:12,989 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:13,257 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:13,490 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:13,692 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:13,906 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:14,075 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:14,616 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:14,987 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:15,838 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:54:16,453 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:54:16,791 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:17,087 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:17,987 WARN L191 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-09-20 15:54:18,576 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-20 15:54:18,693 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-20 15:54:18,798 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-20 15:54:19,370 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:19,776 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:20,430 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:54:20,989 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:54:21,334 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:21,628 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:22,499 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-09-20 15:54:22,705 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 43 for LOIs [2019-09-20 15:54:22,787 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:54:22,800 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 38 for LOIs [2019-09-20 15:54:22,805 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 48 for LOIs [2019-09-20 15:54:22,810 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:54:22,810 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:54:22,812 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 439#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (or (and (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (= 0 ~systemActive~0)) (and (and (= 0 ~methaneLevelCritical~0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647)) (and (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (not (= 0 ~systemActive~0)))) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:54:22,825 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:54:22,825 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:54:22,827 INFO L168 Benchmark]: Toolchain (without parser) took 26639.78 ms. Allocated memory was 140.5 MB in the beginning and 777.5 MB in the end (delta: 637.0 MB). Free memory was 87.4 MB in the beginning and 219.9 MB in the end (delta: -132.5 MB). Peak memory consumption was 504.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:22,828 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:54:22,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.38 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 87.1 MB in the beginning and 163.3 MB in the end (delta: -76.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:22,830 INFO L168 Benchmark]: Boogie Preprocessor took 104.17 ms. Allocated memory is still 199.8 MB. Free memory was 163.3 MB in the beginning and 158.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:22,831 INFO L168 Benchmark]: RCFGBuilder took 1641.94 ms. Allocated memory was 199.8 MB in the beginning and 226.5 MB in the end (delta: 26.7 MB). Free memory was 158.9 MB in the beginning and 143.0 MB in the end (delta: 15.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:22,832 INFO L168 Benchmark]: Sifa took 24187.32 ms. Allocated memory was 226.5 MB in the beginning and 777.5 MB in the end (delta: 551.0 MB). Free memory was 143.0 MB in the beginning and 219.9 MB in the end (delta: -76.9 MB). Peak memory consumption was 474.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:22,835 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.38 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 87.1 MB in the beginning and 163.3 MB in the end (delta: -76.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.17 ms. Allocated memory is still 199.8 MB. Free memory was 163.3 MB in the beginning and 158.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1641.94 ms. Allocated memory was 199.8 MB in the beginning and 226.5 MB in the end (delta: 26.7 MB). Free memory was 158.9 MB in the beginning and 143.0 MB in the end (delta: 15.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * Sifa took 24187.32 ms. Allocated memory was 226.5 MB in the beginning and 777.5 MB in the end (delta: 551.0 MB). Free memory was 143.0 MB in the beginning and 219.9 MB in the end (delta: -76.9 MB). Peak memory consumption was 474.1 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]: 24142, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 217, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 142, TOOLS_POST_TIME[ms]: 12596, TOOLS_POST_CALL_APPLICATIONS: 64, TOOLS_POST_CALL_TIME[ms]: 214, TOOLS_POST_RETURN_APPLICATIONS: 55, TOOLS_POST_RETURN_TIME[ms]: 126, TOOLS_QUANTIFIERELIM_APPLICATIONS: 261, TOOLS_QUANTIFIERELIM_TIME[ms]: 12815, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12482, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 222, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 74, DOMAIN_JOIN_TIME[ms]: 10816, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 22, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 199, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 702, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 701, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 55, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12894, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12893, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 422, DAG_COMPRESSION_RETAINED_NODES: 242 - UnprovableResult [Line: 602]: 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 439#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (or (and (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (= 0 ~systemActive~0)) (and (and (= 0 ~methaneLevelCritical~0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647)) (and (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (not (= 0 ~systemActive~0)))) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...