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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 10:25:00,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 10:25:00,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 10:25:00,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 10:25:00,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 10:25:00,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 10:25:00,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 10:25:00,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 10:25:00,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 10:25:00,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 10:25:00,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 10:25:00,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 10:25:00,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 10:25:00,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 10:25:00,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 10:25:00,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 10:25:00,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 10:25:00,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 10:25:00,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 10:25:00,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 10:25:00,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 10:25:00,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 10:25:00,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 10:25:00,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 10:25:00,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 10:25:00,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 10:25:00,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 10:25:00,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 10:25:00,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 10:25:00,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 10:25:00,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 10:25:00,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 10:25:00,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 10:25:00,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 10:25:00,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 10:25:00,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 10:25:00,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 10:25:00,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 10:25:00,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 10:25:00,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 10:25:00,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 10:25:00,688 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-19 10:25:00,709 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 10:25:00,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 10:25:00,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 10:25:00,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 10:25:00,713 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 10:25:00,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 10:25:00,713 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 10:25:00,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 10:25:00,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 10:25:00,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 10:25:00,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 10:25:00,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 10:25:00,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 10:25:00,716 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 10:25:00,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 10:25:00,716 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 10:25:00,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 10:25:00,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 10:25:00,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 10:25:00,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 10:25:00,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 10:25:00,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 10:25:00,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 10:25:00,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 10:25:00,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 10:25:00,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 10:25:00,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 10:25:00,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 10:25:00,719 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 -> InterpretCallSummarizer 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 [2019-09-19 10:25:00,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 10:25:00,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 10:25:00,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 10:25:00,770 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 10:25:00,770 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 10:25:00,771 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2019-09-19 10:25:00,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4daaa87d2/1d962b70d8f64342b7c94ae3109be782/FLAGf0cd699c5 [2019-09-19 10:25:01,278 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 10:25:01,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2019-09-19 10:25:01,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4daaa87d2/1d962b70d8f64342b7c94ae3109be782/FLAGf0cd699c5 [2019-09-19 10:25:01,658 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4daaa87d2/1d962b70d8f64342b7c94ae3109be782 [2019-09-19 10:25:01,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 10:25:01,669 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 10:25:01,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 10:25:01,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 10:25:01,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 10:25:01,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:25:01" (1/1) ... [2019-09-19 10:25:01,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72966280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:25:01, skipping insertion in model container [2019-09-19 10:25:01,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:25:01" (1/1) ... [2019-09-19 10:25:01,685 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 10:25:01,726 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 10:25:02,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 10:25:02,179 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 10:25:02,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 10:25:02,317 INFO L192 MainTranslator]: Completed translation [2019-09-19 10:25:02,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:25:02 WrapperNode [2019-09-19 10:25:02,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 10:25:02,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 10:25:02,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 10:25:02,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 10:25:02,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:25:02" (1/1) ... [2019-09-19 10:25:02,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:25:02" (1/1) ... [2019-09-19 10:25:02,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:25:02" (1/1) ... [2019-09-19 10:25:02,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:25:02" (1/1) ... [2019-09-19 10:25:02,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:25:02" (1/1) ... [2019-09-19 10:25:02,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:25:02" (1/1) ... [2019-09-19 10:25:02,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:25:02" (1/1) ... [2019-09-19 10:25:02,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 10:25:02,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 10:25:02,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 10:25:02,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 10:25:02,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:25:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 10:25:02,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 10:25:02,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 10:25:02,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 10:25:02,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 10:25:02,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 10:25:02,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 10:25:02,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 10:25:02,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 10:25:02,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 10:25:02,524 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 10:25:02,524 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 10:25:02,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 10:25:02,524 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 10:25:02,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 10:25:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 10:25:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 10:25:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 10:25:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 10:25:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 10:25:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 10:25:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 10:25:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 10:25:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 10:25:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 10:25:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 10:25:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 10:25:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-19 10:25:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 10:25:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 10:25:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 10:25:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-19 10:25:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 10:25:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 10:25:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 10:25:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 10:25:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 10:25:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 10:25:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 10:25:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-19 10:25:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 10:25:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 10:25:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-19 10:25:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-19 10:25:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-19 10:25:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 10:25:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 10:25:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 10:25:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 10:25:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 10:25:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 10:25:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 10:25:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 10:25:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 10:25:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 10:25:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 10:25:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 10:25:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 10:25:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 10:25:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 10:25:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 10:25:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 10:25:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 10:25:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 10:25:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 10:25:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 10:25:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 10:25:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 10:25:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 10:25:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 10:25:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 10:25:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 10:25:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-19 10:25:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 10:25:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 10:25:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 10:25:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 10:25:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 10:25:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 10:25:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 10:25:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 10:25:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 10:25:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 10:25:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 10:25:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 10:25:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 10:25:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-19 10:25:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 10:25:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 10:25:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 10:25:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 10:25:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-19 10:25:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-19 10:25:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 10:25:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 10:25:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-19 10:25:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-19 10:25:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 10:25:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 10:25:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 10:25:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 10:25:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 10:25:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 10:25:04,285 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 10:25:04,286 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 10:25:04,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:25:04 BoogieIcfgContainer [2019-09-19 10:25:04,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 10:25:04,288 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 10:25:04,288 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 10:25:04,288 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 10:25:04,289 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:25:04" (1/1) ... [2019-09-19 10:25:04,290 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 10:25:04,328 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 10:25:04,329 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 10:25:04,347 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 10:25:04,361 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 10:25:04,363 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 10:25:17,170 WARN L191 SmtUtils]: Spent 12.68 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 10:25:28,957 WARN L191 SmtUtils]: Spent 11.78 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 10:25:52,939 WARN L191 SmtUtils]: Spent 13.70 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 10:25:54,552 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 10:25:58,347 WARN L191 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 10:25:58,356 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-19 10:26:00,150 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 10:26:01,837 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 10:26:03,562 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 10:26:05,276 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 10:26:07,005 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 10:26:08,712 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 10:26:10,440 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 10:26:12,142 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 10:26:12,149 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-19 10:26:13,836 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 10:26:15,572 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 10:26:15,581 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-19 10:26:19,050 WARN L191 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 433 DAG size of output: 427 [2019-09-19 10:26:20,765 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 427 [2019-09-19 10:26:31,868 WARN L191 SmtUtils]: Spent 11.06 s on a formula simplification. DAG size of input: 454 DAG size of output: 452 [2019-09-19 10:26:37,269 WARN L191 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-19 10:26:48,277 WARN L191 SmtUtils]: Spent 11.01 s on a formula simplification. DAG size of input: 454 DAG size of output: 452 [2019-09-19 10:26:53,756 WARN L191 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-19 10:27:04,756 WARN L191 SmtUtils]: Spent 11.00 s on a formula simplification. DAG size of input: 454 DAG size of output: 452 [2019-09-19 10:27:10,166 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-19 10:27:21,161 WARN L191 SmtUtils]: Spent 10.99 s on a formula simplification. DAG size of input: 454 DAG size of output: 452 [2019-09-19 10:27:26,628 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-19 10:27:37,002 WARN L191 SmtUtils]: Spent 10.33 s on a formula simplification. DAG size of input: 435 DAG size of output: 430 [2019-09-19 10:27:42,173 WARN L191 SmtUtils]: Spent 5.17 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 10:27:59,887 WARN L191 SmtUtils]: Spent 17.70 s on a formula simplification. DAG size of input: 470 DAG size of output: 466 [2019-09-19 10:28:07,343 WARN L191 SmtUtils]: Spent 7.45 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 10:28:09,082 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 436 DAG size of output: 1 [2019-09-19 10:28:21,592 WARN L191 SmtUtils]: Spent 12.51 s on a formula simplification. DAG size of input: 438 DAG size of output: 437 [2019-09-19 10:28:27,823 WARN L191 SmtUtils]: Spent 6.23 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-19 10:28:34,109 WARN L191 SmtUtils]: Spent 6.28 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-19 10:28:40,361 WARN L191 SmtUtils]: Spent 6.25 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-19 10:29:06,170 WARN L191 SmtUtils]: Spent 25.78 s on a formula simplification. DAG size of input: 506 DAG size of output: 487 [2019-09-19 10:29:17,635 WARN L191 SmtUtils]: Spent 11.46 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-19 10:29:28,061 WARN L191 SmtUtils]: Spent 10.39 s on a formula simplification. DAG size of input: 435 DAG size of output: 430 [2019-09-19 10:29:33,250 WARN L191 SmtUtils]: Spent 5.19 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 10:29:50,799 WARN L191 SmtUtils]: Spent 17.54 s on a formula simplification. DAG size of input: 470 DAG size of output: 466 [2019-09-19 10:29:58,208 WARN L191 SmtUtils]: Spent 7.41 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 10:30:09,893 WARN L191 SmtUtils]: Spent 11.68 s on a formula simplification that was a NOOP. DAG size: 492 [2019-09-19 10:30:10,959 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2019-09-19 10:30:11,187 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2019-09-19 10:30:11,623 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2019-09-19 10:30:12,024 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2019-09-19 10:30:12,166 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-19 10:30:12,725 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2019-09-19 10:30:13,004 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2019-09-19 10:30:13,544 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-19 10:30:13,705 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-19 10:30:15,104 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2019-09-19 10:30:15,329 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2019-09-19 10:30:15,759 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2019-09-19 10:30:16,168 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2019-09-19 10:30:16,306 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-19 10:30:16,597 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2019-09-19 10:30:16,871 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2019-09-19 10:30:17,142 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2019-09-19 10:30:27,679 WARN L191 SmtUtils]: Spent 10.42 s on a formula simplification. DAG size of input: 435 DAG size of output: 430 [2019-09-19 10:30:32,940 WARN L191 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 10:30:50,066 WARN L191 SmtUtils]: Spent 17.11 s on a formula simplification. DAG size of input: 470 DAG size of output: 466 [2019-09-19 10:30:57,495 WARN L191 SmtUtils]: Spent 7.43 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 10:30:59,105 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 436 DAG size of output: 1 [2019-09-19 10:31:11,723 WARN L191 SmtUtils]: Spent 12.62 s on a formula simplification. DAG size of input: 438 DAG size of output: 437 [2019-09-19 10:31:17,998 WARN L191 SmtUtils]: Spent 6.27 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-19 10:31:24,263 WARN L191 SmtUtils]: Spent 6.26 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-19 10:31:30,558 WARN L191 SmtUtils]: Spent 6.29 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-19 10:31:56,455 WARN L191 SmtUtils]: Spent 25.88 s on a formula simplification. DAG size of input: 497 DAG size of output: 487 [2019-09-19 10:32:08,859 WARN L191 SmtUtils]: Spent 12.40 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-19 10:32:19,641 WARN L191 SmtUtils]: Spent 10.75 s on a formula simplification. DAG size of input: 435 DAG size of output: 430 [2019-09-19 10:32:25,069 WARN L191 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 10:32:45,145 WARN L191 SmtUtils]: Spent 20.06 s on a formula simplification. DAG size of input: 473 DAG size of output: 468 [2019-09-19 10:32:53,431 WARN L191 SmtUtils]: Spent 8.28 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-19 10:33:09,117 WARN L191 SmtUtils]: Spent 15.68 s on a formula simplification that was a NOOP. DAG size: 498 [2019-09-19 10:33:09,598 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 25 [2019-09-19 10:33:10,151 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2019-09-19 10:33:10,365 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2019-09-19 10:33:10,800 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2019-09-19 10:33:11,208 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2019-09-19 10:33:11,341 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-19 10:33:11,892 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 35 [2019-09-19 10:33:12,168 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2019-09-19 10:33:12,718 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-19 10:33:12,881 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-19 10:33:13,217 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-19 10:33:14,266 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2019-09-19 10:33:14,520 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2019-09-19 10:33:14,972 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 30 [2019-09-19 10:33:15,398 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-09-19 10:33:15,529 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-19 10:33:15,792 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2019-09-19 10:33:16,079 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2019-09-19 10:33:16,367 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2019-09-19 10:33:17,582 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2019-09-19 10:33:17,811 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 41 [2019-09-19 10:33:18,276 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2019-09-19 10:33:18,728 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2019-09-19 10:33:18,880 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-19 10:33:19,059 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 25 [2019-09-19 10:33:19,455 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2019-09-19 10:33:19,665 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2019-09-19 10:33:20,355 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2019-09-19 10:33:21,024 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2019-09-19 10:33:21,250 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2019-09-19 10:33:21,678 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2019-09-19 10:33:22,143 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2019-09-19 10:33:22,292 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-09-19 10:33:22,617 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2019-09-19 10:33:22,939 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2019-09-19 10:33:23,267 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2019-09-19 10:33:24,653 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2019-09-19 10:33:24,873 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2019-09-19 10:33:25,353 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2019-09-19 10:33:25,843 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2019-09-19 10:33:25,999 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-09-19 10:33:26,330 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2019-09-19 10:33:26,473 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2019-09-19 10:33:26,652 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2019-09-19 10:33:26,980 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2019-09-19 10:33:28,365 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2019-09-19 10:33:28,584 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2019-09-19 10:33:29,056 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2019-09-19 10:33:29,305 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-09-19 10:33:29,641 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2019-09-19 10:33:29,794 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-19 10:33:29,972 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 25 [2019-09-19 10:33:30,380 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 38 [2019-09-19 10:33:30,600 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2019-09-19 10:33:31,793 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2019-09-19 10:33:32,408 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2019-09-19 10:33:32,816 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2019-09-19 10:33:32,946 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-19 10:33:33,205 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2019-09-19 10:33:33,552 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2019-09-19 10:33:33,833 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2019-09-19 10:33:33,931 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-19 10:33:34,918 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2019-09-19 10:33:35,566 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 30 [2019-09-19 10:33:36,002 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2019-09-19 10:33:36,138 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-19 10:33:36,201 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2019-09-19 10:33:36,419 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 41 for LOIs [2019-09-19 10:33:36,479 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 10:33:36,479 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 10:33:36,482 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2552#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))) [2019-09-19 10:33:36,495 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 10:33:36,496 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 10:33:36,497 INFO L168 Benchmark]: Toolchain (without parser) took 514828.09 ms. Allocated memory was 131.6 MB in the beginning and 147.8 MB in the end (delta: 16.3 MB). Free memory was 86.3 MB in the beginning and 89.5 MB in the end (delta: -3.2 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-09-19 10:33:36,498 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory is still 105.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 10:33:36,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.37 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 85.9 MB in the beginning and 162.1 MB in the end (delta: -76.2 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2019-09-19 10:33:36,499 INFO L168 Benchmark]: Boogie Preprocessor took 131.69 ms. Allocated memory is still 198.2 MB. Free memory was 162.1 MB in the beginning and 157.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-09-19 10:33:36,502 INFO L168 Benchmark]: RCFGBuilder took 1835.91 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 157.4 MB in the beginning and 135.8 MB in the end (delta: 21.6 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. [2019-09-19 10:33:36,503 INFO L168 Benchmark]: Sifa took 512207.84 ms. Allocated memory was 220.2 MB in the beginning and 147.8 MB in the end (delta: -72.4 MB). Free memory was 135.8 MB in the beginning and 89.5 MB in the end (delta: 46.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 10:33:36,506 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory is still 105.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 649.37 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 85.9 MB in the beginning and 162.1 MB in the end (delta: -76.2 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.69 ms. Allocated memory is still 198.2 MB. Free memory was 162.1 MB in the beginning and 157.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1835.91 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 157.4 MB in the beginning and 135.8 MB in the end (delta: 21.6 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. * Sifa took 512207.84 ms. Allocated memory was 220.2 MB in the beginning and 147.8 MB in the end (delta: -72.4 MB). Free memory was 135.8 MB in the beginning and 89.5 MB in the end (delta: 46.2 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]: 512154, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1216, DAG_INTERPRETER_EARLY_EXITS: 30, TOOLS_POST_APPLICATIONS: 856, TOOLS_POST_TIME[ms]: 260, TOOLS_POST_CALL_APPLICATIONS: 331, TOOLS_POST_CALL_TIME[ms]: 279, TOOLS_POST_RETURN_APPLICATIONS: 322, TOOLS_POST_RETURN_TIME[ms]: 29665, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1429, TOOLS_QUANTIFIERELIM_TIME[ms]: 29950, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29388, FLUID_QUERY_TIME[ms]: 26, FLUID_QUERIES: 1223, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 464, DOMAIN_JOIN_TIME[ms]: 480894, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 226, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 186, DOMAIN_ISBOTTOM_TIME[ms]: 560, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 25693, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 25692, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 322, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 207820, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 494, DAG_COMPRESSION_RETAINED_NODES: 275 - UnprovableResult [Line: 551]: 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 2552#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...