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_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:30:04,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:30:04,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:30:04,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:30:04,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:30:04,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:30:04,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:30:04,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:30:04,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:30:04,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:30:04,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:30:04,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:30:04,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:30:04,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:30:04,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:30:04,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:30:04,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:30:04,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:30:04,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:30:04,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:30:04,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:30:04,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:30:04,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:30:04,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:30:04,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:30:04,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:30:04,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:30:04,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:30:04,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:30:04,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:30:04,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:30:04,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:30:04,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:30:04,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:30:04,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:30:04,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:30:04,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:30:04,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:30:04,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:30:04,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:30:04,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:30:04,438 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 22:30:04,459 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:30:04,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:30:04,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:30:04,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:30:04,461 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:30:04,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:30:04,461 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:30:04,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:30:04,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:30:04,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:30:04,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:30:04,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:30:04,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:30:04,464 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:30:04,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:30:04,464 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:30:04,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:30:04,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:30:04,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:30:04,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:30:04,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:30:04,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:30:04,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:30:04,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:30:04,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:30:04,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:30:04,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:30:04,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:30:04,467 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 [2019-09-20 22:30:04,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:30:04,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:30:04,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:30:04,530 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:30:04,530 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:30:04,531 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2019-09-20 22:30:04,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a27e20219/16082bdc18d5409b8f00ea5d97d86239/FLAGf1ca22c90 [2019-09-20 22:30:05,068 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:30:05,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2019-09-20 22:30:05,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a27e20219/16082bdc18d5409b8f00ea5d97d86239/FLAGf1ca22c90 [2019-09-20 22:30:05,413 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a27e20219/16082bdc18d5409b8f00ea5d97d86239 [2019-09-20 22:30:05,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:30:05,424 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:30:05,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:30:05,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:30:05,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:30:05,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:30:05" (1/1) ... [2019-09-20 22:30:05,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337b8df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:30:05, skipping insertion in model container [2019-09-20 22:30:05,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:30:05" (1/1) ... [2019-09-20 22:30:05,437 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:30:05,494 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:30:05,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:30:05,948 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:30:06,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:30:06,136 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:30:06,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:30:06 WrapperNode [2019-09-20 22:30:06,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:30:06,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:30:06,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:30:06,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:30:06,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:30:06" (1/1) ... [2019-09-20 22:30:06,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:30:06" (1/1) ... [2019-09-20 22:30:06,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:30:06" (1/1) ... [2019-09-20 22:30:06,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:30:06" (1/1) ... [2019-09-20 22:30:06,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:30:06" (1/1) ... [2019-09-20 22:30:06,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:30:06" (1/1) ... [2019-09-20 22:30:06,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:30:06" (1/1) ... [2019-09-20 22:30:06,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:30:06,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:30:06,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:30:06,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:30:06,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:30:06" (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 22:30:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:30:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:30:06,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 22:30:06,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 22:30:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 22:30:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 22:30:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 22:30:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 22:30:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 22:30:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 22:30:06,307 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 22:30:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 22:30:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 22:30:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 22:30:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 22:30:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 22:30:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 22:30:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 22:30:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 22:30:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 22:30:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 22:30:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 22:30:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 22:30:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 22:30:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 22:30:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 22:30:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 22:30:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 22:30:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 22:30:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 22:30:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 22:30:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 22:30:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 22:30:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 22:30:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 22:30:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 22:30:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 22:30:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 22:30:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 22:30:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:30:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:30:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:30:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 22:30:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 22:30:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 22:30:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:30:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:30:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 22:30:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:30:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:30:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:30:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:30:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 22:30:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:30:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 22:30:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 22:30:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:30:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 22:30:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 22:30:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:30:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 22:30:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 22:30:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 22:30:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 22:30:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 22:30:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 22:30:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 22:30:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 22:30:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 22:30:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 22:30:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 22:30:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 22:30:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 22:30:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 22:30:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 22:30:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 22:30:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 22:30:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 22:30:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 22:30:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 22:30:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 22:30:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 22:30:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 22:30:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 22:30:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 22:30:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 22:30:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 22:30:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 22:30:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 22:30:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 22:30:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:30:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:30:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 22:30:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:30:07,930 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:30:07,931 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 22:30:07,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:30:07 BoogieIcfgContainer [2019-09-20 22:30:07,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:30:07,933 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:30:07,933 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:30:07,933 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:30:07,934 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:30:07" (1/1) ... [2019-09-20 22:30:07,935 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 [2019-09-20 22:30:07,962 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:30:07,962 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:30:07,977 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:30:07,992 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:30:07,994 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:30:29,762 WARN L191 SmtUtils]: Spent 12.77 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 22:30:31,436 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 22:30:35,124 WARN L191 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-20 22:30:36,765 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-20 22:30:38,433 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-20 22:30:38,466 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 13 for LOIs [2019-09-20 22:30:38,512 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 13 for LOIs [2019-09-20 22:30:38,516 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 13 for LOIs [2019-09-20 22:30:39,084 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-20 22:30:39,126 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 22:30:39,158 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-20 22:30:39,166 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 1 for LOIs [2019-09-20 22:30:39,169 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:30:39,169 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:30:39,171 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 606#true [2019-09-20 22:30:39,187 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:30:39,189 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:30:39,192 INFO L168 Benchmark]: Toolchain (without parser) took 33766.45 ms. Allocated memory was 132.6 MB in the beginning and 429.4 MB in the end (delta: 296.7 MB). Free memory was 87.4 MB in the beginning and 148.6 MB in the end (delta: -61.2 MB). Peak memory consumption was 235.6 MB. Max. memory is 7.1 GB. [2019-09-20 22:30:39,193 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:30:39,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.83 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.0 MB in the beginning and 162.3 MB in the end (delta: -75.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-20 22:30:39,197 INFO L168 Benchmark]: Boogie Preprocessor took 87.13 ms. Allocated memory is still 199.8 MB. Free memory was 162.3 MB in the beginning and 157.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 22:30:39,205 INFO L168 Benchmark]: RCFGBuilder took 1706.94 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 157.9 MB in the beginning and 141.4 MB in the end (delta: 16.5 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:30:39,206 INFO L168 Benchmark]: Sifa took 31256.39 ms. Allocated memory was 223.3 MB in the beginning and 429.4 MB in the end (delta: 206.0 MB). Free memory was 141.4 MB in the beginning and 148.6 MB in the end (delta: -7.2 MB). Peak memory consumption was 198.8 MB. Max. memory is 7.1 GB. [2019-09-20 22:30:39,215 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 712.83 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.0 MB in the beginning and 162.3 MB in the end (delta: -75.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.13 ms. Allocated memory is still 199.8 MB. Free memory was 162.3 MB in the beginning and 157.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1706.94 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 157.9 MB in the beginning and 141.4 MB in the end (delta: 16.5 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. * Sifa took 31256.39 ms. Allocated memory was 223.3 MB in the beginning and 429.4 MB in the end (delta: 206.0 MB). Free memory was 141.4 MB in the beginning and 148.6 MB in the end (delta: -7.2 MB). Peak memory consumption was 198.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 31209, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 201, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 132, TOOLS_POST_TIME[ms]: 27039, TOOLS_POST_CALL_APPLICATIONS: 60, TOOLS_POST_CALL_TIME[ms]: 75, TOOLS_POST_RETURN_APPLICATIONS: 51, TOOLS_POST_RETURN_TIME[ms]: 35, TOOLS_QUANTIFIERELIM_APPLICATIONS: 243, TOOLS_QUANTIFIERELIM_TIME[ms]: 27092, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27015, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 204, FLUID_YES_ANSWERS: 204, DOMAIN_JOIN_APPLICATIONS: 64, DOMAIN_JOIN_TIME[ms]: 3623, DOMAIN_ALPHA_APPLICATIONS: 204, DOMAIN_ALPHA_TIME[ms]: 245, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 38, DOMAIN_ISBOTTOM_TIME[ms]: 35, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 469, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 468, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 51, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30668, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30667, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 50, DAG_COMPRESSION_PROCESSED_NODES: 344, DAG_COMPRESSION_RETAINED_NODES: 192 - UnprovableResult [Line: 44]: 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 606#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...