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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 12:32:59,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 12:32:59,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 12:32:59,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 12:32:59,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 12:32:59,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 12:32:59,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 12:32:59,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 12:32:59,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 12:32:59,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 12:32:59,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 12:32:59,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 12:32:59,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 12:32:59,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 12:32:59,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 12:32:59,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 12:32:59,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 12:32:59,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 12:32:59,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 12:32:59,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 12:32:59,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 12:32:59,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 12:32:59,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 12:32:59,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 12:32:59,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 12:32:59,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 12:32:59,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 12:32:59,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 12:32:59,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 12:32:59,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 12:32:59,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 12:32:59,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 12:32:59,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 12:32:59,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 12:32:59,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 12:32:59,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 12:32:59,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 12:32:59,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 12:32:59,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 12:32:59,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 12:32:59,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 12:32:59,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-18 12:32:59,828 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 12:32:59,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 12:32:59,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 12:32:59,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 12:32:59,831 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 12:32:59,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 12:32:59,831 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 12:32:59,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 12:32:59,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 12:32:59,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 12:32:59,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 12:32:59,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 12:32:59,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 12:32:59,834 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 12:32:59,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 12:32:59,834 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 12:32:59,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 12:32:59,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 12:32:59,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 12:32:59,835 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 12:32:59,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 12:32:59,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 12:32:59,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 12:32:59,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 12:32:59,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 12:32:59,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 12:32:59,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 12:32:59,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 12:32:59,838 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 12:32:59,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 12:32:59,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 12:32:59,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 12:32:59,894 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 12:32:59,894 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 12:32:59,895 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c [2019-09-18 12:32:59,954 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9d89892b/cb35edc35dd54e63a8d91b8d037c0d8e/FLAGa0c67ee0b [2019-09-18 12:33:00,496 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 12:33:00,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c [2019-09-18 12:33:00,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9d89892b/cb35edc35dd54e63a8d91b8d037c0d8e/FLAGa0c67ee0b [2019-09-18 12:33:00,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9d89892b/cb35edc35dd54e63a8d91b8d037c0d8e [2019-09-18 12:33:00,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 12:33:00,800 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 12:33:00,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 12:33:00,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 12:33:00,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 12:33:00,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:33:00" (1/1) ... [2019-09-18 12:33:00,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e021c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:00, skipping insertion in model container [2019-09-18 12:33:00,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:33:00" (1/1) ... [2019-09-18 12:33:00,815 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 12:33:00,867 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 12:33:01,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 12:33:01,319 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 12:33:01,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 12:33:01,455 INFO L192 MainTranslator]: Completed translation [2019-09-18 12:33:01,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:01 WrapperNode [2019-09-18 12:33:01,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 12:33:01,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 12:33:01,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 12:33:01,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 12:33:01,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:01" (1/1) ... [2019-09-18 12:33:01,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:01" (1/1) ... [2019-09-18 12:33:01,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:01" (1/1) ... [2019-09-18 12:33:01,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:01" (1/1) ... [2019-09-18 12:33:01,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:01" (1/1) ... [2019-09-18 12:33:01,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:01" (1/1) ... [2019-09-18 12:33:01,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:01" (1/1) ... [2019-09-18 12:33:01,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 12:33:01,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 12:33:01,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 12:33:01,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 12:33:01,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 12:33:01,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 12:33:01,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 12:33:01,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 12:33:01,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 12:33:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 12:33:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 12:33:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 12:33:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 12:33:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 12:33:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 12:33:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 12:33:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 12:33:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 12:33:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 12:33:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 12:33:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 12:33:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 12:33:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 12:33:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 12:33:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 12:33:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-18 12:33:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 12:33:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 12:33:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 12:33:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-18 12:33:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 12:33:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 12:33:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 12:33:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 12:33:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 12:33:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 12:33:01,641 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 12:33:01,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 12:33:01,641 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 12:33:01,641 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 12:33:01,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 12:33:01,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 12:33:01,642 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 12:33:01,642 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 12:33:01,642 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 12:33:01,642 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 12:33:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 12:33:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 12:33:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 12:33:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 12:33:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 12:33:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 12:33:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 12:33:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 12:33:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 12:33:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 12:33:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 12:33:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 12:33:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 12:33:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 12:33:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 12:33:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 12:33:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 12:33:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 12:33:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 12:33:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 12:33:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 12:33:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 12:33:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 12:33:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 12:33:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 12:33:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 12:33:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 12:33:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 12:33:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 12:33:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 12:33:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 12:33:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 12:33:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 12:33:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-18 12:33:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 12:33:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 12:33:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 12:33:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 12:33:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 12:33:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 12:33:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 12:33:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 12:33:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 12:33:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 12:33:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 12:33:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-18 12:33:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 12:33:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 12:33:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 12:33:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 12:33:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 12:33:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 12:33:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 12:33:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 12:33:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 12:33:02,835 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 12:33:02,835 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 12:33:02,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:33:02 BoogieIcfgContainer [2019-09-18 12:33:02,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 12:33:02,837 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 12:33:02,837 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 12:33:02,838 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 12:33:02,839 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:33:02" (1/1) ... [2019-09-18 12:33:02,840 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 12:33:02,868 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 12:33:02,868 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 12:33:02,884 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 12:33:02,894 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 12:33:02,896 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 12:33:03,501 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-18 12:33:03,660 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-18 12:33:03,921 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-09-18 12:33:04,108 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-18 12:33:04,396 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-18 12:33:04,627 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-18 12:33:05,019 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 76 [2019-09-18 12:33:05,343 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 73 [2019-09-18 12:33:05,840 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2019-09-18 12:33:06,260 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 85 [2019-09-18 12:33:06,959 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2019-09-18 12:33:07,460 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2019-09-18 12:33:08,332 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 111 [2019-09-18 12:33:08,818 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 106 [2019-09-18 12:33:09,102 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 12:33:10,041 WARN L191 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 119 [2019-09-18 12:33:10,743 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 120 [2019-09-18 12:33:11,135 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-18 12:33:12,196 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 243 DAG size of output: 133 [2019-09-18 12:33:12,381 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 12:33:13,031 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 134 [2019-09-18 12:33:13,434 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-09-18 12:33:14,480 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 291 DAG size of output: 147 [2019-09-18 12:33:15,380 WARN L191 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 144 [2019-09-18 12:33:16,048 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2019-09-18 12:33:17,812 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 334 DAG size of output: 162 [2019-09-18 12:33:18,763 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 157 [2019-09-18 12:33:19,629 WARN L191 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2019-09-18 12:33:21,859 WARN L191 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 368 DAG size of output: 171 [2019-09-18 12:33:22,901 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 166 [2019-09-18 12:33:24,021 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2019-09-18 12:33:26,931 WARN L191 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 460 DAG size of output: 212 [2019-09-18 12:33:28,250 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 255 DAG size of output: 207 [2019-09-18 12:33:29,637 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-09-18 12:33:33,457 WARN L191 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 517 DAG size of output: 239 [2019-09-18 12:33:35,004 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 280 DAG size of output: 234 [2019-09-18 12:33:36,700 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 12:33:41,630 WARN L191 SmtUtils]: Spent 4.92 s on a formula simplification. DAG size of input: 596 DAG size of output: 258 [2019-09-18 12:33:43,304 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 303 DAG size of output: 253 [2019-09-18 12:33:45,460 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 499 [2019-09-18 12:33:51,259 WARN L191 SmtUtils]: Spent 5.78 s on a formula simplification. DAG size of input: 690 DAG size of output: 277 [2019-09-18 12:33:51,696 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 12:33:53,451 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 330 DAG size of output: 274 [2019-09-18 12:33:56,015 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 565 [2019-09-18 12:34:02,114 WARN L191 SmtUtils]: Spent 6.08 s on a formula simplification. DAG size of input: 801 DAG size of output: 287 [2019-09-18 12:34:02,493 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 12:34:04,315 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 346 DAG size of output: 284 [2019-09-18 12:34:07,356 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 623 [2019-09-18 12:34:15,171 WARN L191 SmtUtils]: Spent 7.80 s on a formula simplification. DAG size of input: 761 DAG size of output: 305 [2019-09-18 12:34:15,506 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 12:34:17,460 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 370 DAG size of output: 300 [2019-09-18 12:34:21,073 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 681 [2019-09-18 12:34:29,849 WARN L191 SmtUtils]: Spent 8.76 s on a formula simplification. DAG size of input: 942 DAG size of output: 326 [2019-09-18 12:34:30,269 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 12:34:32,571 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 387 DAG size of output: 323 [2019-09-18 12:34:36,862 WARN L191 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 739 [2019-09-18 12:34:48,331 WARN L191 SmtUtils]: Spent 11.44 s on a formula simplification. DAG size of input: 923 DAG size of output: 359 [2019-09-18 12:34:48,809 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-18 12:34:51,567 WARN L191 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 420 DAG size of output: 358 [2019-09-18 12:34:56,586 WARN L191 SmtUtils]: Spent 2.77 s on a formula simplification that was a NOOP. DAG size: 797 [2019-09-18 12:35:10,333 WARN L191 SmtUtils]: Spent 13.72 s on a formula simplification. DAG size of input: 968 DAG size of output: 378 [2019-09-18 12:35:10,824 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-18 12:35:13,815 WARN L191 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 456 DAG size of output: 375 [2019-09-18 12:35:19,733 WARN L191 SmtUtils]: Spent 3.19 s on a formula simplification that was a NOOP. DAG size: 855 [2019-09-18 12:35:34,163 WARN L191 SmtUtils]: Spent 14.40 s on a formula simplification. DAG size of input: 1118 DAG size of output: 400 [2019-09-18 12:35:34,741 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 12:35:38,212 WARN L191 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 479 DAG size of output: 401 [2019-09-18 12:35:44,864 WARN L191 SmtUtils]: Spent 3.57 s on a formula simplification that was a NOOP. DAG size: 913 [2019-09-18 12:36:03,024 WARN L191 SmtUtils]: Spent 18.12 s on a formula simplification. DAG size of input: 1104 DAG size of output: 418 [2019-09-18 12:36:03,586 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 12:36:07,145 WARN L191 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 493 DAG size of output: 415 [2019-09-18 12:36:10,533 WARN L191 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 424 DAG size of output: 422 [2019-09-18 12:36:12,218 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 12:36:12,228 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 12:36:12,281 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 12:36:12,285 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 12:36:29,537 WARN L191 SmtUtils]: Spent 16.96 s on a formula simplification. DAG size of input: 454 DAG size of output: 451 [2019-09-18 12:36:35,128 WARN L191 SmtUtils]: Spent 5.59 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-18 12:36:52,070 WARN L191 SmtUtils]: Spent 16.94 s on a formula simplification. DAG size of input: 454 DAG size of output: 451 [2019-09-18 12:36:57,686 WARN L191 SmtUtils]: Spent 5.61 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-18 12:37:12,679 WARN L191 SmtUtils]: Spent 14.91 s on a formula simplification. DAG size of input: 457 DAG size of output: 456 [2019-09-18 12:37:13,221 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-18 12:37:24,479 WARN L191 SmtUtils]: Spent 11.24 s on a formula simplification. DAG size of input: 455 DAG size of output: 449 [2019-09-18 12:37:29,982 WARN L191 SmtUtils]: Spent 5.50 s on a formula simplification that was a NOOP. DAG size: 449 [2019-09-18 12:37:30,210 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 74 [2019-09-18 12:37:48,770 WARN L191 SmtUtils]: Spent 18.43 s on a formula simplification. DAG size of input: 464 DAG size of output: 461 [2019-09-18 12:37:57,891 WARN L191 SmtUtils]: Spent 9.12 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 12:38:16,300 WARN L191 SmtUtils]: Spent 18.41 s on a formula simplification. DAG size of input: 464 DAG size of output: 461 [2019-09-18 12:38:25,589 WARN L191 SmtUtils]: Spent 9.29 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 12:38:34,944 WARN L191 SmtUtils]: Spent 9.27 s on a formula simplification that was a NOOP. DAG size: 485 [2019-09-18 12:38:44,022 WARN L191 SmtUtils]: Spent 9.08 s on a formula simplification that was a NOOP. DAG size: 485 [2019-09-18 12:39:16,578 WARN L191 SmtUtils]: Spent 32.55 s on a formula simplification. DAG size of input: 497 DAG size of output: 495 [2019-09-18 12:39:17,652 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-18 12:39:17,834 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-18 12:39:18,071 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-18 12:39:18,205 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-09-18 12:39:18,499 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-18 12:39:18,609 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-18 12:39:18,841 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-18 12:39:18,951 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-18 12:39:19,147 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2019-09-18 12:39:19,596 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-18 12:39:20,008 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-18 12:39:20,230 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-18 12:39:20,441 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-18 12:39:20,650 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-18 12:39:20,946 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-18 12:39:21,215 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-18 12:39:21,493 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-18 12:39:21,667 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-18 12:39:21,842 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-18 12:39:22,023 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-18 12:39:22,154 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-09-18 12:39:22,350 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-09-18 12:39:22,856 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-09-18 12:39:22,958 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-18 12:39:23,286 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-09-18 12:39:23,391 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-18 12:39:23,657 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-18 12:39:23,762 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-18 12:39:23,985 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-18 12:39:24,088 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-18 12:39:24,338 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2019-09-18 12:39:24,698 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-18 12:39:25,061 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2019-09-18 12:39:25,494 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-09-18 12:39:25,837 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-09-18 12:39:25,913 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 22 for LOIs [2019-09-18 12:39:26,784 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-18 12:39:26,871 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-18 12:39:26,964 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 11 for LOIs [2019-09-18 12:39:26,968 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 24 for LOIs [2019-09-18 12:39:27,022 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 12:39:27,022 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 12:39:27,025 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 801#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (or (= 0 ~waterLevel~0) (= 0 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2019-09-18 12:39:27,035 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 12:39:27,035 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 12:39:27,036 INFO L168 Benchmark]: Toolchain (without parser) took 386237.07 ms. Allocated memory was 135.3 MB in the beginning and 148.4 MB in the end (delta: 13.1 MB). Free memory was 89.0 MB in the beginning and 101.4 MB in the end (delta: -12.4 MB). Peak memory consumption was 677.8 kB. Max. memory is 7.1 GB. [2019-09-18 12:39:27,036 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory is still 108.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 12:39:27,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.21 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 89.0 MB in the beginning and 165.2 MB in the end (delta: -76.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-18 12:39:27,037 INFO L168 Benchmark]: Boogie Preprocessor took 116.63 ms. Allocated memory is still 200.8 MB. Free memory was 165.2 MB in the beginning and 160.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-18 12:39:27,038 INFO L168 Benchmark]: RCFGBuilder took 1260.71 ms. Allocated memory was 200.8 MB in the beginning and 230.2 MB in the end (delta: 29.4 MB). Free memory was 160.8 MB in the beginning and 172.1 MB in the end (delta: -11.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2019-09-18 12:39:27,038 INFO L168 Benchmark]: Sifa took 384197.79 ms. Allocated memory was 230.2 MB in the beginning and 148.4 MB in the end (delta: -81.8 MB). Free memory was 172.1 MB in the beginning and 101.4 MB in the end (delta: 70.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 12:39:27,039 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory is still 108.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.21 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 89.0 MB in the beginning and 165.2 MB in the end (delta: -76.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.63 ms. Allocated memory is still 200.8 MB. Free memory was 165.2 MB in the beginning and 160.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1260.71 ms. Allocated memory was 200.8 MB in the beginning and 230.2 MB in the end (delta: 29.4 MB). Free memory was 160.8 MB in the beginning and 172.1 MB in the end (delta: -11.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * Sifa took 384197.79 ms. Allocated memory was 230.2 MB in the beginning and 148.4 MB in the end (delta: -81.8 MB). Free memory was 172.1 MB in the beginning and 101.4 MB in the end (delta: 70.7 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]: 384157, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 483, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 392, TOOLS_POST_TIME[ms]: 184218, TOOLS_POST_CALL_APPLICATIONS: 74, TOOLS_POST_CALL_TIME[ms]: 151, TOOLS_POST_RETURN_APPLICATIONS: 65, TOOLS_POST_RETURN_TIME[ms]: 70, TOOLS_QUANTIFIERELIM_APPLICATIONS: 530, TOOLS_QUANTIFIERELIM_TIME[ms]: 184279, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28930, FLUID_QUERY_TIME[ms]: 21, FLUID_QUERIES: 490, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 104, DOMAIN_JOIN_TIME[ms]: 198580, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 564, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 55, DOMAIN_ISBOTTOM_TIME[ms]: 343, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 188382, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 188382, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 65, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 190192, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 190191, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 13, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 58, DAG_COMPRESSION_PROCESSED_NODES: 1125, DAG_COMPRESSION_RETAINED_NODES: 480 - UnprovableResult [Line: 866]: 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 801#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (or (= 0 ~waterLevel~0) (= 0 ~systemActive~0)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...