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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 10:02:44,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 10:02:44,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 10:02:44,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 10:02:44,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 10:02:44,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 10:02:44,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 10:02:44,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 10:02:44,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 10:02:44,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 10:02:44,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 10:02:44,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 10:02:44,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 10:02:44,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 10:02:44,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 10:02:44,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 10:02:44,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 10:02:44,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 10:02:44,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 10:02:44,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 10:02:44,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 10:02:44,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 10:02:44,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 10:02:44,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 10:02:44,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 10:02:44,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 10:02:44,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 10:02:44,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 10:02:44,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 10:02:44,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 10:02:44,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 10:02:44,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 10:02:44,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 10:02:44,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 10:02:44,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 10:02:44,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 10:02:44,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 10:02:44,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 10:02:44,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 10:02:44,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 10:02:44,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 10:02:44,788 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 10:02:44,802 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 10:02:44,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 10:02:44,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 10:02:44,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 10:02:44,804 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 10:02:44,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 10:02:44,805 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 10:02:44,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 10:02:44,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 10:02:44,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 10:02:44,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 10:02:44,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 10:02:44,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 10:02:44,806 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 10:02:44,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 10:02:44,806 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 10:02:44,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 10:02:44,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 10:02:44,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 10:02:44,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 10:02:44,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 10:02:44,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 10:02:44,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 10:02:44,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 10:02:44,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 10:02:44,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 10:02:44,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 10:02:44,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 10:02:44,809 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 10:02:44,839 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 10:02:44,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 10:02:44,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 10:02:44,856 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 10:02:44,857 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 10:02:44,857 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c [2019-09-19 10:02:44,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00be1ecde/aec76368e0d54767a52d5017a174707a/FLAG1eeef917a [2019-09-19 10:02:45,424 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 10:02:45,425 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c [2019-09-19 10:02:45,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00be1ecde/aec76368e0d54767a52d5017a174707a/FLAG1eeef917a [2019-09-19 10:02:45,748 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00be1ecde/aec76368e0d54767a52d5017a174707a [2019-09-19 10:02:45,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 10:02:45,758 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 10:02:45,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 10:02:45,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 10:02:45,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 10:02:45,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:02:45" (1/1) ... [2019-09-19 10:02:45,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56745d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:02:45, skipping insertion in model container [2019-09-19 10:02:45,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:02:45" (1/1) ... [2019-09-19 10:02:45,773 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 10:02:45,836 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 10:02:46,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 10:02:46,330 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 10:02:46,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 10:02:46,471 INFO L192 MainTranslator]: Completed translation [2019-09-19 10:02:46,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:02:46 WrapperNode [2019-09-19 10:02:46,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 10:02:46,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 10:02:46,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 10:02:46,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 10:02:46,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:02:46" (1/1) ... [2019-09-19 10:02:46,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:02:46" (1/1) ... [2019-09-19 10:02:46,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:02:46" (1/1) ... [2019-09-19 10:02:46,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:02:46" (1/1) ... [2019-09-19 10:02:46,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:02:46" (1/1) ... [2019-09-19 10:02:46,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:02:46" (1/1) ... [2019-09-19 10:02:46,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:02:46" (1/1) ... [2019-09-19 10:02:46,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 10:02:46,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 10:02:46,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 10:02:46,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 10:02:46,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:02:46" (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 10:02:46,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 10:02:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 10:02:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 10:02:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 10:02:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 10:02:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 10:02:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 10:02:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 10:02:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 10:02:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 10:02:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 10:02:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 10:02:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 10:02:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 10:02:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 10:02:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 10:02:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 10:02:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 10:02:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 10:02:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 10:02:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 10:02:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 10:02:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 10:02:46,636 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 10:02:46,636 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 10:02:46,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 10:02:46,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 10:02:46,636 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 10:02:46,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 10:02:46,637 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 10:02:46,637 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 10:02:46,637 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 10:02:46,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 10:02:46,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 10:02:46,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 10:02:46,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 10:02:46,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 10:02:46,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 10:02:46,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-19 10:02:46,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-19 10:02:46,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-19 10:02:46,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 10:02:46,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 10:02:46,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 10:02:46,639 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 10:02:46,639 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 10:02:46,639 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 10:02:46,639 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 10:02:46,639 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 10:02:46,640 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 10:02:46,640 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 10:02:46,640 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 10:02:46,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-19 10:02:46,640 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 10:02:46,640 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 10:02:46,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 10:02:46,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 10:02:46,641 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 10:02:46,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 10:02:46,641 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 10:02:46,641 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 10:02:46,642 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 10:02:46,642 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 10:02:46,642 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 10:02:46,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 10:02:46,642 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 10:02:46,642 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 10:02:46,642 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 10:02:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 10:02:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 10:02:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 10:02:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-19 10:02:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-19 10:02:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 10:02:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 10:02:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 10:02:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 10:02:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 10:02:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 10:02:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 10:02:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 10:02:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 10:02:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 10:02:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 10:02:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 10:02:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 10:02:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 10:02:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 10:02:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 10:02:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 10:02:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 10:02:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 10:02:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 10:02:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 10:02:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 10:02:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 10:02:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 10:02:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 10:02:48,179 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 10:02:48,180 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 10:02:48,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:02:48 BoogieIcfgContainer [2019-09-19 10:02:48,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 10:02:48,182 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 10:02:48,182 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 10:02:48,182 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 10:02:48,183 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:02:48" (1/1) ... [2019-09-19 10:02:48,184 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 10:02:48,208 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 10:02:48,209 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 10:02:48,218 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 10:02:48,228 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 10:02:48,229 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 10:03:01,195 WARN L191 SmtUtils]: Spent 12.88 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 10:03:12,944 WARN L191 SmtUtils]: Spent 11.74 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 10:03:36,427 WARN L191 SmtUtils]: Spent 14.24 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 10:03:38,158 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 10:03:42,058 WARN L191 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 10:03:42,066 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-19 10:03:43,884 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 10:03:45,708 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 10:03:47,553 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 10:03:49,328 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 10:03:51,196 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 10:03:53,022 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 10:03:54,844 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 10:03:56,623 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 10:03:56,632 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-19 10:03:58,497 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 10:04:00,287 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 10:04:00,296 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-19 10:04:04,102 WARN L191 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 433 DAG size of output: 427 [2019-09-19 10:04:05,890 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 427 [2019-09-19 10:04:17,426 WARN L191 SmtUtils]: Spent 11.41 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-19 10:04:23,005 WARN L191 SmtUtils]: Spent 5.58 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-19 10:04:34,398 WARN L191 SmtUtils]: Spent 11.39 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-19 10:04:40,004 WARN L191 SmtUtils]: Spent 5.60 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-19 10:04:50,387 WARN L191 SmtUtils]: Spent 10.37 s on a formula simplification. DAG size of input: 435 DAG size of output: 430 [2019-09-19 10:04:55,583 WARN L191 SmtUtils]: Spent 5.20 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 10:05:11,097 WARN L191 SmtUtils]: Spent 15.45 s on a formula simplification. DAG size of input: 480 DAG size of output: 469 [2019-09-19 10:05:17,536 WARN L191 SmtUtils]: Spent 6.44 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-19 10:05:33,001 WARN L191 SmtUtils]: Spent 15.46 s on a formula simplification. DAG size of input: 480 DAG size of output: 469 [2019-09-19 10:05:39,437 WARN L191 SmtUtils]: Spent 6.43 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-19 10:05:49,783 WARN L191 SmtUtils]: Spent 10.34 s on a formula simplification. DAG size of input: 435 DAG size of output: 430 [2019-09-19 10:05:55,040 WARN L191 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 10:06:09,384 WARN L191 SmtUtils]: Spent 14.32 s on a formula simplification. DAG size of input: 472 DAG size of output: 465 [2019-09-19 10:06:15,251 WARN L191 SmtUtils]: Spent 5.87 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-19 10:06:30,917 WARN L191 SmtUtils]: Spent 15.64 s on a formula simplification. DAG size of input: 470 DAG size of output: 469 [2019-09-19 10:06:31,040 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-19 10:06:48,488 WARN L191 SmtUtils]: Spent 17.42 s on a formula simplification. DAG size of input: 476 DAG size of output: 472 [2019-09-19 10:06:48,605 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-19 10:07:05,398 WARN L191 SmtUtils]: Spent 16.78 s on a formula simplification. DAG size of input: 476 DAG size of output: 472 [2019-09-19 10:07:05,509 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-19 10:07:06,338 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2019-09-19 10:07:06,642 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2019-09-19 10:07:07,171 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-09-19 10:07:07,544 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-19 10:07:08,330 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-09-19 10:07:08,483 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-09-19 10:07:08,658 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 30 [2019-09-19 10:07:08,840 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2019-09-19 10:07:09,608 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-09-19 10:07:10,305 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2019-09-19 10:07:10,586 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2019-09-19 10:07:11,094 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-19 10:07:11,453 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-19 10:07:12,114 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-09-19 10:07:12,274 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-09-19 10:07:12,607 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2019-09-19 10:07:13,363 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-09-19 10:07:14,060 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2019-09-19 10:07:14,352 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2019-09-19 10:07:14,895 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-19 10:07:15,282 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-19 10:07:15,790 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-19 10:07:15,944 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-19 10:07:16,097 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-19 10:07:16,711 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-09-19 10:07:16,892 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-09-19 10:07:17,208 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:07:17,568 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:07:17,952 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:07:19,374 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2019-09-19 10:07:19,523 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2019-09-19 10:07:19,703 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-19 10:07:19,894 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-19 10:07:20,073 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-19 10:07:21,082 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2019-09-19 10:07:21,614 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-19 10:07:21,996 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-19 10:07:24,343 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-19 10:07:25,098 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2019-09-19 10:07:25,385 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2019-09-19 10:07:25,930 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-09-19 10:07:26,314 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-19 10:07:26,594 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-19 10:07:27,563 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2019-09-19 10:07:28,099 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-19 10:07:28,474 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-19 10:07:29,512 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2019-09-19 10:07:29,818 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2019-09-19 10:07:30,307 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-19 10:07:30,672 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-19 10:07:31,746 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2019-09-19 10:07:32,057 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2019-09-19 10:07:32,566 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-19 10:07:32,966 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-19 10:07:33,790 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 41 [2019-09-19 10:07:34,147 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 32 [2019-09-19 10:07:34,456 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2019-09-19 10:07:34,968 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-19 10:07:35,345 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2019-09-19 10:07:36,198 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 41 [2019-09-19 10:07:36,573 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-09-19 10:07:36,884 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2019-09-19 10:07:37,370 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2019-09-19 10:07:37,770 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-09-19 10:07:38,701 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2019-09-19 10:07:39,097 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2019-09-19 10:07:39,460 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2019-09-19 10:07:40,084 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 50 [2019-09-19 10:07:40,189 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-19 10:07:40,554 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2019-09-19 10:07:41,604 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2019-09-19 10:07:41,886 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2019-09-19 10:07:42,430 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2019-09-19 10:07:42,707 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-19 10:07:43,054 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-19 10:07:43,706 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2019-09-19 10:07:43,979 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2019-09-19 10:07:44,419 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-09-19 10:07:44,759 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-19 10:07:44,767 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-19 10:07:44,792 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-19 10:07:44,815 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 10:07:44,816 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 10:07:44,818 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3078#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-19 10:07:44,831 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 10:07:44,832 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 10:07:44,833 INFO L168 Benchmark]: Toolchain (without parser) took 299075.50 ms. Allocated memory was 133.2 MB in the beginning and 147.8 MB in the end (delta: 14.7 MB). Free memory was 86.9 MB in the beginning and 82.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-09-19 10:07:44,834 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 133.2 MB. Free memory was 106.3 MB in the beginning and 106.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-19 10:07:44,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.16 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 86.7 MB in the beginning and 165.2 MB in the end (delta: -78.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-09-19 10:07:44,836 INFO L168 Benchmark]: Boogie Preprocessor took 86.40 ms. Allocated memory is still 200.3 MB. Free memory was 165.2 MB in the beginning and 160.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-19 10:07:44,836 INFO L168 Benchmark]: RCFGBuilder took 1622.34 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 160.9 MB in the beginning and 145.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. [2019-09-19 10:07:44,837 INFO L168 Benchmark]: Sifa took 296649.89 ms. Allocated memory was 225.4 MB in the beginning and 147.8 MB in the end (delta: -77.6 MB). Free memory was 145.5 MB in the beginning and 82.9 MB in the end (delta: 62.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 10:07:44,841 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 133.2 MB. Free memory was 106.3 MB in the beginning and 106.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.16 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 86.7 MB in the beginning and 165.2 MB in the end (delta: -78.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.40 ms. Allocated memory is still 200.3 MB. Free memory was 165.2 MB in the beginning and 160.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1622.34 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 160.9 MB in the beginning and 145.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. * Sifa took 296649.89 ms. Allocated memory was 225.4 MB in the beginning and 147.8 MB in the end (delta: -77.6 MB). Free memory was 145.5 MB in the beginning and 82.9 MB in the end (delta: 62.6 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]: 296610, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1442, DAG_INTERPRETER_EARLY_EXITS: 39, TOOLS_POST_APPLICATIONS: 1028, TOOLS_POST_TIME[ms]: 217, TOOLS_POST_CALL_APPLICATIONS: 388, TOOLS_POST_CALL_TIME[ms]: 238, TOOLS_POST_RETURN_APPLICATIONS: 379, TOOLS_POST_RETURN_TIME[ms]: 29336, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1703, TOOLS_QUANTIFIERELIM_TIME[ms]: 29536, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29110, FLUID_QUERY_TIME[ms]: 28, FLUID_QUERIES: 1450, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 576, DOMAIN_JOIN_TIME[ms]: 265670, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 320, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 252, DOMAIN_ISBOTTOM_TIME[ms]: 539, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 207256, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 207256, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 379, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 108360, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 43, DAG_COMPRESSION_PROCESSED_NODES: 834, DAG_COMPRESSION_RETAINED_NODES: 283 - UnprovableResult [Line: 975]: 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 3078#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...