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_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 23:52:29,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 23:52:29,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 23:52:29,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 23:52:29,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 23:52:29,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 23:52:29,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 23:52:29,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 23:52:29,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 23:52:29,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 23:52:29,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 23:52:29,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 23:52:29,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 23:52:29,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 23:52:29,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 23:52:29,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 23:52:29,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 23:52:29,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 23:52:29,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 23:52:29,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 23:52:29,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 23:52:29,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 23:52:29,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 23:52:29,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 23:52:29,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 23:52:29,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 23:52:29,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 23:52:29,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 23:52:29,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 23:52:29,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 23:52:29,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 23:52:29,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 23:52:29,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 23:52:29,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 23:52:29,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 23:52:29,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 23:52:29,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 23:52:29,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 23:52:29,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 23:52:29,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 23:52:29,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 23:52:29,386 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 23:52:29,408 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 23:52:29,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 23:52:29,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 23:52:29,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 23:52:29,412 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 23:52:29,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 23:52:29,413 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 23:52:29,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 23:52:29,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 23:52:29,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 23:52:29,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 23:52:29,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 23:52:29,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 23:52:29,414 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 23:52:29,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 23:52:29,415 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 23:52:29,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 23:52:29,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 23:52:29,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 23:52:29,416 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 23:52:29,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 23:52:29,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 23:52:29,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 23:52:29,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 23:52:29,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 23:52:29,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 23:52:29,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 23:52:29,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 23:52:29,419 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 23:52:29,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 23:52:29,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 23:52:29,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 23:52:29,500 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 23:52:29,501 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 23:52:29,501 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product64.cil.c [2019-09-18 23:52:29,574 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a69f3bcb/0268f74d3fd44a279593f63857539440/FLAG8d28465d0 [2019-09-18 23:52:30,193 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 23:52:30,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product64.cil.c [2019-09-18 23:52:30,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a69f3bcb/0268f74d3fd44a279593f63857539440/FLAG8d28465d0 [2019-09-18 23:52:30,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a69f3bcb/0268f74d3fd44a279593f63857539440 [2019-09-18 23:52:30,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 23:52:30,482 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 23:52:30,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 23:52:30,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 23:52:30,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 23:52:30,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:52:30" (1/1) ... [2019-09-18 23:52:30,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@239e2649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:52:30, skipping insertion in model container [2019-09-18 23:52:30,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:52:30" (1/1) ... [2019-09-18 23:52:30,498 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 23:52:30,553 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 23:52:31,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 23:52:31,073 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 23:52:31,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 23:52:31,201 INFO L192 MainTranslator]: Completed translation [2019-09-18 23:52:31,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:52:31 WrapperNode [2019-09-18 23:52:31,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 23:52:31,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 23:52:31,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 23:52:31,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 23:52:31,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:52:31" (1/1) ... [2019-09-18 23:52:31,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:52:31" (1/1) ... [2019-09-18 23:52:31,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:52:31" (1/1) ... [2019-09-18 23:52:31,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:52:31" (1/1) ... [2019-09-18 23:52:31,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:52:31" (1/1) ... [2019-09-18 23:52:31,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:52:31" (1/1) ... [2019-09-18 23:52:31,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:52:31" (1/1) ... [2019-09-18 23:52:31,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 23:52:31,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 23:52:31,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 23:52:31,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 23:52:31,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:52:31" (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 23:52:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 23:52:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 23:52:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 23:52:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 23:52:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 23:52:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 23:52:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 23:52:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 23:52:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 23:52:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-18 23:52:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 23:52:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 23:52:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 23:52:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 23:52:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-18 23:52:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 23:52:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 23:52:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 23:52:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 23:52:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 23:52:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 23:52:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 23:52:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 23:52:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 23:52:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 23:52:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 23:52:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 23:52:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 23:52:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 23:52:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 23:52:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 23:52:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 23:52:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 23:52:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 23:52:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 23:52:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 23:52:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 23:52:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 23:52:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 23:52:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 23:52:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 23:52:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 23:52:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 23:52:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 23:52:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 23:52:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 23:52:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 23:52:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 23:52:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 23:52:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 23:52:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 23:52:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 23:52:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 23:52:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 23:52:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 23:52:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 23:52:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 23:52:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 23:52:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 23:52:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 23:52:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 23:52:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 23:52:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 23:52:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-18 23:52:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 23:52:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 23:52:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 23:52:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 23:52:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 23:52:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 23:52:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 23:52:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 23:52:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 23:52:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 23:52:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 23:52:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 23:52:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 23:52:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 23:52:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-18 23:52:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 23:52:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 23:52:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 23:52:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 23:52:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 23:52:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 23:52:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 23:52:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 23:52:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 23:52:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 23:52:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 23:52:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 23:52:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 23:52:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 23:52:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 23:52:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 23:52:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 23:52:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 23:52:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 23:52:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 23:52:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 23:52:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 23:52:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 23:52:32,926 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 23:52:32,926 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 23:52:32,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:52:32 BoogieIcfgContainer [2019-09-18 23:52:32,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 23:52:32,928 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 23:52:32,928 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 23:52:32,929 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 23:52:32,930 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:52:32" (1/1) ... [2019-09-18 23:52:32,931 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 23:52:32,959 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 23:52:32,960 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 23:52:32,977 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 23:52:32,992 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 23:52:32,994 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 23:52:43,845 WARN L191 SmtUtils]: Spent 10.73 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-18 23:52:54,172 WARN L191 SmtUtils]: Spent 10.32 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-18 23:53:18,243 WARN L191 SmtUtils]: Spent 14.78 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 23:53:20,004 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 23:53:23,685 WARN L191 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-18 23:53:23,693 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 23:53:25,386 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:53:27,043 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:53:28,726 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:53:30,395 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:53:32,115 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 23:53:33,792 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 23:53:35,494 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:53:37,139 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:53:37,146 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 23:53:37,151 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 23:53:40,708 WARN L191 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 429 DAG size of output: 424 [2019-09-18 23:53:42,386 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 23:53:53,679 WARN L191 SmtUtils]: Spent 11.27 s on a formula simplification. DAG size of input: 456 DAG size of output: 451 [2019-09-18 23:53:59,170 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-18 23:54:04,340 WARN L191 SmtUtils]: Spent 5.15 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 23:54:09,489 WARN L191 SmtUtils]: Spent 5.15 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 23:54:20,959 WARN L191 SmtUtils]: Spent 11.43 s on a formula simplification. DAG size of input: 461 DAG size of output: 453 [2019-09-18 23:54:26,549 WARN L191 SmtUtils]: Spent 5.59 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 23:54:37,968 WARN L191 SmtUtils]: Spent 11.42 s on a formula simplification. DAG size of input: 461 DAG size of output: 453 [2019-09-18 23:54:43,574 WARN L191 SmtUtils]: Spent 5.60 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 23:54:44,953 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 429 DAG size of output: 1 [2019-09-18 23:54:55,343 WARN L191 SmtUtils]: Spent 10.39 s on a formula simplification. DAG size of input: 431 DAG size of output: 430 [2019-09-18 23:55:00,570 WARN L191 SmtUtils]: Spent 5.23 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-18 23:55:05,778 WARN L191 SmtUtils]: Spent 5.20 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-18 23:55:10,951 WARN L191 SmtUtils]: Spent 5.17 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-18 23:55:31,938 WARN L191 SmtUtils]: Spent 20.97 s on a formula simplification. DAG size of input: 476 DAG size of output: 470 [2019-09-18 23:55:40,381 WARN L191 SmtUtils]: Spent 8.44 s on a formula simplification that was a NOOP. DAG size: 470 [2019-09-18 23:56:04,353 WARN L191 SmtUtils]: Spent 23.97 s on a formula simplification. DAG size of input: 477 DAG size of output: 477 [2019-09-18 23:56:05,505 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-18 23:56:06,222 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2019-09-18 23:56:06,679 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-18 23:56:07,169 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-18 23:56:07,441 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2019-09-18 23:56:07,646 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2019-09-18 23:56:08,163 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-18 23:56:08,278 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-18 23:56:08,590 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2019-09-18 23:56:09,058 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2019-09-18 23:56:09,421 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2019-09-18 23:56:09,706 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2019-09-18 23:56:09,996 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-18 23:56:10,472 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-09-18 23:56:10,639 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 23:56:11,085 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2019-09-18 23:56:11,283 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-18 23:56:11,515 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2019-09-18 23:56:11,718 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2019-09-18 23:56:12,061 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-18 23:56:12,187 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-18 23:56:12,497 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2019-09-18 23:56:13,023 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-18 23:56:13,320 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-18 23:56:13,620 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-18 23:56:13,914 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-18 23:56:14,210 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-18 23:56:14,505 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-18 23:56:14,798 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-18 23:56:15,105 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-18 23:56:15,491 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 23:56:15,759 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 23:56:16,020 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 23:56:16,282 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 23:56:16,543 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 23:56:16,803 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 23:56:17,061 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 23:56:17,322 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 23:56:18,419 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-18 23:56:18,587 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2019-09-18 23:56:19,490 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-18 23:56:19,652 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2019-09-18 23:56:20,545 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-18 23:56:20,737 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2019-09-18 23:56:21,647 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-18 23:56:21,810 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2019-09-18 23:56:22,141 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2019-09-18 23:56:22,287 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2019-09-18 23:56:22,455 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-09-18 23:56:22,565 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-09-18 23:56:22,862 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-18 23:56:23,067 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2019-09-18 23:56:23,382 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 23:56:24,271 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-18 23:56:24,426 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2019-09-18 23:56:24,642 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 23:56:25,063 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-18 23:56:25,222 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 23:56:25,999 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-18 23:56:26,176 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-18 23:56:26,473 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2019-09-18 23:56:26,576 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-18 23:56:26,818 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-18 23:56:27,634 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-18 23:56:27,833 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-18 23:56:28,095 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-18 23:56:28,349 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-18 23:56:28,595 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 23:56:28,753 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 23:56:29,116 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2019-09-18 23:56:29,138 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-18 23:56:29,807 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-18 23:56:29,994 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-18 23:56:30,189 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-18 23:56:30,199 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-18 23:56:30,229 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 23:56:30,229 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 23:56:30,232 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1224#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-18 23:56:30,244 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 23:56:30,244 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 23:56:30,245 INFO L168 Benchmark]: Toolchain (without parser) took 239764.03 ms. Allocated memory was 134.2 MB in the beginning and 154.7 MB in the end (delta: 20.4 MB). Free memory was 87.4 MB in the beginning and 71.9 MB in the end (delta: 15.5 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2019-09-18 23:56:30,246 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 23:56:30,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.73 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 87.2 MB in the beginning and 162.3 MB in the end (delta: -75.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2019-09-18 23:56:30,248 INFO L168 Benchmark]: Boogie Preprocessor took 86.19 ms. Allocated memory is still 200.3 MB. Free memory was 162.3 MB in the beginning and 158.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-18 23:56:30,249 INFO L168 Benchmark]: RCFGBuilder took 1637.79 ms. Allocated memory was 200.3 MB in the beginning and 227.0 MB in the end (delta: 26.7 MB). Free memory was 158.1 MB in the beginning and 136.8 MB in the end (delta: 21.3 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2019-09-18 23:56:30,250 INFO L168 Benchmark]: Sifa took 237315.72 ms. Allocated memory was 227.0 MB in the beginning and 154.7 MB in the end (delta: -72.4 MB). Free memory was 136.8 MB in the beginning and 71.9 MB in the end (delta: 65.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 23:56:30,253 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 719.73 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 87.2 MB in the beginning and 162.3 MB in the end (delta: -75.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.19 ms. Allocated memory is still 200.3 MB. Free memory was 162.3 MB in the beginning and 158.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1637.79 ms. Allocated memory was 200.3 MB in the beginning and 227.0 MB in the end (delta: 26.7 MB). Free memory was 158.1 MB in the beginning and 136.8 MB in the end (delta: 21.3 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * Sifa took 237315.72 ms. Allocated memory was 227.0 MB in the beginning and 154.7 MB in the end (delta: -72.4 MB). Free memory was 136.8 MB in the beginning and 71.9 MB in the end (delta: 65.0 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]: 237273, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 529, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 376, TOOLS_POST_TIME[ms]: 152, TOOLS_POST_CALL_APPLICATIONS: 131, TOOLS_POST_CALL_TIME[ms]: 210, TOOLS_POST_RETURN_APPLICATIONS: 122, TOOLS_POST_RETURN_TIME[ms]: 29667, TOOLS_QUANTIFIERELIM_APPLICATIONS: 625, TOOLS_QUANTIFIERELIM_TIME[ms]: 29864, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29511, FLUID_QUERY_TIME[ms]: 18, FLUID_QUERIES: 545, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 219, DOMAIN_JOIN_TIME[ms]: 204876, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 363, DOMAIN_ISSUBSETEQ_APPLICATIONS: 235, DOMAIN_ISSUBSETEQ_TIME[ms]: 625, DOMAIN_ISBOTTOM_APPLICATIONS: 110, DOMAIN_ISBOTTOM_TIME[ms]: 340, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 163059, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 163058, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 122, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 81946, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 61, DAG_COMPRESSION_PROCESSED_NODES: 1339, DAG_COMPRESSION_RETAINED_NODES: 359 - UnprovableResult [Line: 148]: 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 1224#(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...