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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 23:32:57,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 23:32:57,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 23:32:57,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 23:32:57,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 23:32:57,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 23:32:57,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 23:32:57,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 23:32:57,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 23:32:57,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 23:32:57,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 23:32:57,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 23:32:57,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 23:32:57,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 23:32:57,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 23:32:57,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 23:32:57,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 23:32:57,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 23:32:57,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 23:32:57,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 23:32:57,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 23:32:57,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 23:32:57,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 23:32:57,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 23:32:57,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 23:32:57,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 23:32:57,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 23:32:57,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 23:32:57,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 23:32:57,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 23:32:57,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 23:32:57,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 23:32:57,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 23:32:57,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 23:32:57,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 23:32:57,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 23:32:57,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 23:32:57,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 23:32:57,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 23:32:57,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 23:32:57,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 23:32:57,314 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 [2019-09-18 23:32:57,328 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 23:32:57,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 23:32:57,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 23:32:57,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 23:32:57,329 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 23:32:57,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 23:32:57,330 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 23:32:57,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 23:32:57,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 23:32:57,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 23:32:57,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 23:32:57,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 23:32:57,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 23:32:57,331 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 23:32:57,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 23:32:57,332 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 23:32:57,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 23:32:57,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 23:32:57,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 23:32:57,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 23:32:57,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 23:32:57,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 23:32:57,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 23:32:57,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 23:32:57,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 23:32:57,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 23:32:57,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 23:32:57,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 23:32:57,335 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 -> ReUseSupersetCallSummarizer 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 [2019-09-18 23:32:57,371 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 23:32:57,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 23:32:57,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 23:32:57,393 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 23:32:57,393 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 23:32:57,394 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-09-18 23:32:57,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0799c5f5e/2e1fa363a4624de483f98a1ea7ae674a/FLAG66e61e2df [2019-09-18 23:32:57,992 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 23:32:57,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-09-18 23:32:58,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0799c5f5e/2e1fa363a4624de483f98a1ea7ae674a/FLAG66e61e2df [2019-09-18 23:32:58,303 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0799c5f5e/2e1fa363a4624de483f98a1ea7ae674a [2019-09-18 23:32:58,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 23:32:58,318 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 23:32:58,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 23:32:58,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 23:32:58,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 23:32:58,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:32:58" (1/1) ... [2019-09-18 23:32:58,329 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 18.09 11:32:58, skipping insertion in model container [2019-09-18 23:32:58,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:32:58" (1/1) ... [2019-09-18 23:32:58,338 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 23:32:58,400 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 23:32:58,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 23:32:58,863 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 23:32:58,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 23:32:59,005 INFO L192 MainTranslator]: Completed translation [2019-09-18 23:32:59,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:32:59 WrapperNode [2019-09-18 23:32:59,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 23:32:59,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 23:32:59,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 23:32:59,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 23:32:59,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:32:59" (1/1) ... [2019-09-18 23:32:59,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:32:59" (1/1) ... [2019-09-18 23:32:59,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:32:59" (1/1) ... [2019-09-18 23:32:59,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:32:59" (1/1) ... [2019-09-18 23:32:59,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:32:59" (1/1) ... [2019-09-18 23:32:59,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:32:59" (1/1) ... [2019-09-18 23:32:59,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:32:59" (1/1) ... [2019-09-18 23:32:59,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 23:32:59,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 23:32:59,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 23:32:59,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 23:32:59,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:32:59" (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 [2019-09-18 23:32:59,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 23:32:59,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 23:32:59,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 23:32:59,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 23:32:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 23:32:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 23:32:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 23:32:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 23:32:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 23:32:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 23:32:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 23:32:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 23:32:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 23:32:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 23:32:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 23:32:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 23:32:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 23:32:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 23:32:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 23:32:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 23:32:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 23:32:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 23:32:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 23:32:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 23:32:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 23:32:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 23:32:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 23:32:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 23:32:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 23:32:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 23:32:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 23:32:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 23:32:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 23:32:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 23:32:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 23:32:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 23:32:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 23:32:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-18 23:32:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 23:32:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 23:32:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 23:32:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 23:32:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 23:32:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 23:32:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 23:32:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 23:32:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 23:32:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 23:32:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 23:32:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 23:32:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 23:32:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 23:32:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 23:32:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 23:32:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 23:32:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 23:32:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 23:32:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 23:32:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 23:32:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 23:32:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 23:32:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 23:32:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 23:32:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 23:32:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 23:32:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 23:32:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 23:32:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 23:32:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 23:32:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 23:32:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 23:32:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-18 23:32:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 23:32:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 23:32:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 23:32:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 23:32:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 23:32:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 23:32:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 23:32:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 23:32:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 23:32:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 23:32:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 23:32:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 23:32:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 23:32:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 23:32:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 23:32:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 23:32:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 23:32:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 23:33:00,845 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 23:33:00,845 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 23:33:00,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:33:00 BoogieIcfgContainer [2019-09-18 23:33:00,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 23:33:00,848 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 23:33:00,848 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 23:33:00,849 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 23:33:00,850 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:33:00" (1/1) ... [2019-09-18 23:33:00,851 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 23:33:00,888 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 23:33:00,888 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 23:33:00,900 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 23:33:00,913 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 23:33:00,915 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 23:33:11,975 WARN L191 SmtUtils]: Spent 10.93 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-18 23:33:22,067 WARN L191 SmtUtils]: Spent 10.09 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-18 23:33:45,186 WARN L191 SmtUtils]: Spent 14.05 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 23:33:46,910 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 23:33:50,697 WARN L191 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-18 23:33:50,709 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 23:33:52,414 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:33:54,085 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:33:55,795 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:33:57,497 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:33:59,226 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 23:34:00,961 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 23:34:02,656 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:34:04,311 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:34:04,317 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 23:34:04,322 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 23:34:07,828 WARN L191 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 431 DAG size of output: 425 [2019-09-18 23:34:09,520 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 425 [2019-09-18 23:34:20,389 WARN L191 SmtUtils]: Spent 10.82 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-18 23:34:25,728 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 23:34:36,537 WARN L191 SmtUtils]: Spent 10.81 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-18 23:34:41,776 WARN L191 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 23:34:52,015 WARN L191 SmtUtils]: Spent 10.19 s on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2019-09-18 23:34:57,070 WARN L191 SmtUtils]: Spent 5.05 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 23:35:15,089 WARN L191 SmtUtils]: Spent 18.00 s on a formula simplification. DAG size of input: 465 DAG size of output: 461 [2019-09-18 23:35:23,222 WARN L191 SmtUtils]: Spent 8.13 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 23:35:24,607 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 434 DAG size of output: 1 [2019-09-18 23:35:38,591 WARN L191 SmtUtils]: Spent 13.98 s on a formula simplification. DAG size of input: 436 DAG size of output: 435 [2019-09-18 23:35:45,543 WARN L191 SmtUtils]: Spent 6.95 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 23:35:52,628 WARN L191 SmtUtils]: Spent 7.08 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 23:35:59,647 WARN L191 SmtUtils]: Spent 7.02 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 23:36:30,207 WARN L191 SmtUtils]: Spent 30.53 s on a formula simplification. DAG size of input: 499 DAG size of output: 489 [2019-09-18 23:36:43,593 WARN L191 SmtUtils]: Spent 13.38 s on a formula simplification that was a NOOP. DAG size: 489 [2019-09-18 23:36:48,722 WARN L191 SmtUtils]: Spent 5.08 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 23:37:06,764 WARN L191 SmtUtils]: Spent 18.03 s on a formula simplification. DAG size of input: 465 DAG size of output: 461 [2019-09-18 23:37:14,860 WARN L191 SmtUtils]: Spent 8.10 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 23:37:28,301 WARN L191 SmtUtils]: Spent 13.43 s on a formula simplification that was a NOOP. DAG size: 494 [2019-09-18 23:37:29,502 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2019-09-18 23:37:29,681 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2019-09-18 23:37:29,969 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-18 23:37:30,738 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-18 23:37:30,891 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-18 23:37:31,090 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-18 23:37:31,349 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-18 23:37:31,587 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-18 23:37:31,773 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-18 23:37:32,016 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-18 23:37:32,489 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-18 23:37:32,658 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 23:37:32,857 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-18 23:37:33,130 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-18 23:37:33,139 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 19 for LOIs [2019-09-18 23:37:33,447 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-09-18 23:37:33,614 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-09-18 23:37:33,820 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2019-09-18 23:37:34,028 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2019-09-18 23:37:34,117 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-18 23:37:34,368 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-18 23:37:34,381 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-18 23:37:34,402 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 23:37:34,403 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 23:37:34,405 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 414#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-18 23:37:34,416 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 23:37:34,416 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 23:37:34,418 INFO L168 Benchmark]: Toolchain (without parser) took 276099.78 ms. Allocated memory was 144.7 MB in the beginning and 162.0 MB in the end (delta: 17.3 MB). Free memory was 91.6 MB in the beginning and 126.8 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 23:37:34,419 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 23:37:34,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.92 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 91.4 MB in the beginning and 169.6 MB in the end (delta: -78.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-09-18 23:37:34,420 INFO L168 Benchmark]: Boogie Preprocessor took 123.69 ms. Allocated memory is still 202.9 MB. Free memory was 169.6 MB in the beginning and 165.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-18 23:37:34,421 INFO L168 Benchmark]: RCFGBuilder took 1717.70 ms. Allocated memory was 202.9 MB in the beginning and 237.5 MB in the end (delta: 34.6 MB). Free memory was 165.2 MB in the beginning and 152.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2019-09-18 23:37:34,422 INFO L168 Benchmark]: Sifa took 273568.17 ms. Allocated memory was 237.5 MB in the beginning and 162.0 MB in the end (delta: -75.5 MB). Free memory was 152.1 MB in the beginning and 126.8 MB in the end (delta: 25.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 23:37:34,426 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.92 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 91.4 MB in the beginning and 169.6 MB in the end (delta: -78.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.69 ms. Allocated memory is still 202.9 MB. Free memory was 169.6 MB in the beginning and 165.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1717.70 ms. Allocated memory was 202.9 MB in the beginning and 237.5 MB in the end (delta: 34.6 MB). Free memory was 165.2 MB in the beginning and 152.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * Sifa took 273568.17 ms. Allocated memory was 237.5 MB in the beginning and 162.0 MB in the end (delta: -75.5 MB). Free memory was 152.1 MB in the beginning and 126.8 MB in the end (delta: 25.3 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]: 273517, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 199, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 136, TOOLS_POST_TIME[ms]: 119, TOOLS_POST_CALL_APPLICATIONS: 54, TOOLS_POST_CALL_TIME[ms]: 146, TOOLS_POST_RETURN_APPLICATIONS: 45, TOOLS_POST_RETURN_TIME[ms]: 28739, TOOLS_QUANTIFIERELIM_APPLICATIONS: 235, TOOLS_QUANTIFIERELIM_TIME[ms]: 28900, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28628, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 205, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 66, DOMAIN_JOIN_TIME[ms]: 238183, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 481, DOMAIN_ISSUBSETEQ_APPLICATIONS: 40, DOMAIN_ISSUBSETEQ_TIME[ms]: 125, DOMAIN_ISBOTTOM_APPLICATIONS: 35, DOMAIN_ISBOTTOM_TIME[ms]: 216, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 208001, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 208000, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 45, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 97988, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 40, DAG_COMPRESSION_PROCESSED_NODES: 322, DAG_COMPRESSION_RETAINED_NODES: 184 - UnprovableResult [Line: 680]: 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 414#(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...