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_spec4_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 14:01:51,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 14:01:51,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 14:01:51,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 14:01:51,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 14:01:51,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 14:01:51,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 14:01:51,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 14:01:51,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 14:01:51,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 14:01:51,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 14:01:51,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 14:01:51,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 14:01:51,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 14:01:51,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 14:01:51,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 14:01:51,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 14:01:51,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 14:01:51,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 14:01:51,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 14:01:51,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 14:01:51,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 14:01:51,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 14:01:51,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 14:01:51,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 14:01:51,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 14:01:51,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 14:01:51,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 14:01:51,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 14:01:51,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 14:01:51,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 14:01:51,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 14:01:51,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 14:01:51,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 14:01:51,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 14:01:51,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 14:01:51,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 14:01:51,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 14:01:51,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 14:01:51,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 14:01:51,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 14:01:51,799 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 14:01:51,813 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 14:01:51,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 14:01:51,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 14:01:51,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 14:01:51,815 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 14:01:51,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 14:01:51,815 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 14:01:51,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 14:01:51,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 14:01:51,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 14:01:51,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 14:01:51,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 14:01:51,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 14:01:51,817 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 14:01:51,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 14:01:51,817 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 14:01:51,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 14:01:51,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 14:01:51,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 14:01:51,818 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 14:01:51,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 14:01:51,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 14:01:51,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 14:01:51,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 14:01:51,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 14:01:51,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 14:01:51,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 14:01:51,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 14:01:51,820 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 14:01:51,860 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 14:01:51,872 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 14:01:51,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 14:01:51,885 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 14:01:51,886 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 14:01:51,886 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c [2019-09-18 14:01:51,956 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6dc117bb/efec68fd81a3411ba6a2f742c24375e9/FLAG643f4ce2d [2019-09-18 14:01:52,435 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 14:01:52,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c [2019-09-18 14:01:52,448 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6dc117bb/efec68fd81a3411ba6a2f742c24375e9/FLAG643f4ce2d [2019-09-18 14:01:52,750 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6dc117bb/efec68fd81a3411ba6a2f742c24375e9 [2019-09-18 14:01:52,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 14:01:52,760 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 14:01:52,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 14:01:52,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 14:01:52,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 14:01:52,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:01:52" (1/1) ... [2019-09-18 14:01:52,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5038e766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:52, skipping insertion in model container [2019-09-18 14:01:52,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:01:52" (1/1) ... [2019-09-18 14:01:52,776 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 14:01:52,838 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 14:01:53,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 14:01:53,308 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 14:01:53,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 14:01:53,435 INFO L192 MainTranslator]: Completed translation [2019-09-18 14:01:53,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:53 WrapperNode [2019-09-18 14:01:53,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 14:01:53,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 14:01:53,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 14:01:53,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 14:01:53,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:53" (1/1) ... [2019-09-18 14:01:53,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:53" (1/1) ... [2019-09-18 14:01:53,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:53" (1/1) ... [2019-09-18 14:01:53,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:53" (1/1) ... [2019-09-18 14:01:53,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:53" (1/1) ... [2019-09-18 14:01:53,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:53" (1/1) ... [2019-09-18 14:01:53,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:53" (1/1) ... [2019-09-18 14:01:53,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 14:01:53,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 14:01:53,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 14:01:53,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 14:01:53,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:53" (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 14:01:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 14:01:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 14:01:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 14:01:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 14:01:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 14:01:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 14:01:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 14:01:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 14:01:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-18 14:01:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 14:01:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 14:01:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 14:01:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 14:01:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 14:01:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 14:01:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 14:01:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 14:01:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 14:01:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 14:01:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 14:01:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 14:01:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 14:01:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 14:01:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 14:01:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 14:01:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 14:01:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 14:01:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 14:01:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 14:01:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 14:01:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 14:01:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 14:01:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 14:01:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 14:01:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 14:01:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 14:01:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 14:01:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 14:01:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 14:01:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 14:01:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 14:01:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 14:01:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 14:01:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 14:01:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 14:01:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 14:01:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 14:01:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 14:01:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 14:01:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 14:01:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 14:01:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 14:01:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 14:01:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 14:01:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 14:01:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 14:01:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 14:01:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 14:01:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 14:01:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 14:01:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-18 14:01:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 14:01:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 14:01:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 14:01:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 14:01:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 14:01:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 14:01:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 14:01:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 14:01:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 14:01:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 14:01:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 14:01:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 14:01:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 14:01:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 14:01:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 14:01:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 14:01:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 14:01:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 14:01:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 14:01:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 14:01:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 14:01:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 14:01:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 14:01:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 14:01:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 14:01:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 14:01:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 14:01:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 14:01:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 14:01:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 14:01:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 14:01:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 14:01:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 14:01:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 14:01:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 14:01:54,762 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 14:01:54,763 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 14:01:54,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:01:54 BoogieIcfgContainer [2019-09-18 14:01:54,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 14:01:54,766 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 14:01:54,766 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 14:01:54,767 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 14:01:54,768 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:01:54" (1/1) ... [2019-09-18 14:01:54,768 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 14:01:54,797 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 14:01:54,801 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 14:01:54,816 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 14:01:54,829 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 14:01:54,830 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 14:01:55,523 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-18 14:01:55,747 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-18 14:01:56,111 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2019-09-18 14:01:56,400 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2019-09-18 14:01:56,857 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-18 14:01:57,225 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 123 [2019-09-18 14:01:57,806 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 147 [2019-09-18 14:01:58,348 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 144 [2019-09-18 14:01:59,186 WARN L191 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 157 [2019-09-18 14:01:59,849 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 154 [2019-09-18 14:02:00,822 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 175 [2019-09-18 14:02:01,519 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 170 [2019-09-18 14:02:02,843 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 244 DAG size of output: 196 [2019-09-18 14:02:03,743 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 193 [2019-09-18 14:02:05,383 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 287 DAG size of output: 229 [2019-09-18 14:02:06,588 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 266 DAG size of output: 228 [2019-09-18 14:02:08,651 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 305 DAG size of output: 248 [2019-09-18 14:02:09,953 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 286 DAG size of output: 245 [2019-09-18 14:02:12,592 WARN L191 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 338 DAG size of output: 270 [2019-09-18 14:02:12,824 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 14:02:14,279 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 319 DAG size of output: 271 [2019-09-18 14:02:14,673 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 14:02:17,345 WARN L191 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 368 DAG size of output: 288 [2019-09-18 14:02:19,014 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 327 DAG size of output: 285 [2019-09-18 14:02:19,295 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-18 14:02:21,246 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 384 DAG size of output: 308 [2019-09-18 14:02:23,082 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 347 DAG size of output: 303 [2019-09-18 14:02:23,862 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 14:02:27,614 WARN L191 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 432 DAG size of output: 317 [2019-09-18 14:02:29,641 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 366 DAG size of output: 312 [2019-09-18 14:02:30,664 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-09-18 14:02:34,949 WARN L191 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 494 DAG size of output: 326 [2019-09-18 14:02:37,085 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 375 DAG size of output: 321 [2019-09-18 14:02:37,811 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2019-09-18 14:02:40,881 WARN L191 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 540 DAG size of output: 334 [2019-09-18 14:02:41,174 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 14:02:43,237 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 389 DAG size of output: 331 [2019-09-18 14:02:44,965 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2019-09-18 14:02:50,757 WARN L191 SmtUtils]: Spent 5.78 s on a formula simplification. DAG size of input: 618 DAG size of output: 344 [2019-09-18 14:02:51,065 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 14:02:53,271 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 404 DAG size of output: 341 [2019-09-18 14:02:55,377 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2019-09-18 14:03:02,186 WARN L191 SmtUtils]: Spent 6.80 s on a formula simplification. DAG size of input: 668 DAG size of output: 354 [2019-09-18 14:03:02,520 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 14:03:04,939 WARN L191 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 421 DAG size of output: 351 [2019-09-18 14:03:07,579 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 14:03:15,461 WARN L191 SmtUtils]: Spent 7.87 s on a formula simplification. DAG size of input: 728 DAG size of output: 364 [2019-09-18 14:03:15,866 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-18 14:03:18,459 WARN L191 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 435 DAG size of output: 363 [2019-09-18 14:03:21,861 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 557 [2019-09-18 14:03:31,941 WARN L191 SmtUtils]: Spent 10.06 s on a formula simplification. DAG size of input: 809 DAG size of output: 376 [2019-09-18 14:03:32,383 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-18 14:03:35,210 WARN L191 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 439 DAG size of output: 375 [2019-09-18 14:03:39,152 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 631 [2019-09-18 14:03:49,931 WARN L191 SmtUtils]: Spent 10.76 s on a formula simplification. DAG size of input: 853 DAG size of output: 389 [2019-09-18 14:03:50,363 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 14:03:53,311 WARN L191 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 460 DAG size of output: 384 [2019-09-18 14:03:57,999 WARN L191 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 717 [2019-09-18 14:04:10,722 WARN L191 SmtUtils]: Spent 12.70 s on a formula simplification. DAG size of input: 939 DAG size of output: 397 [2019-09-18 14:04:11,242 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-18 14:04:14,528 WARN L191 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 480 DAG size of output: 398 [2019-09-18 14:04:20,256 WARN L191 SmtUtils]: Spent 2.71 s on a formula simplification that was a NOOP. DAG size: 795 [2019-09-18 14:04:35,662 WARN L191 SmtUtils]: Spent 15.38 s on a formula simplification. DAG size of input: 1044 DAG size of output: 411 [2019-09-18 14:04:36,207 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 14:04:39,742 WARN L191 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 482 DAG size of output: 412 [2019-09-18 14:04:46,312 WARN L191 SmtUtils]: Spent 3.24 s on a formula simplification that was a NOOP. DAG size: 877 [2019-09-18 14:05:04,696 WARN L191 SmtUtils]: Spent 18.35 s on a formula simplification. DAG size of input: 1053 DAG size of output: 425 [2019-09-18 14:05:05,252 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 14:05:08,986 WARN L191 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 511 DAG size of output: 422 [2019-09-18 14:05:10,694 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 14:05:12,374 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 14:05:12,386 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 14:05:12,446 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 14:05:12,450 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 14:05:23,180 WARN L191 SmtUtils]: Spent 10.57 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 14:05:28,420 WARN L191 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 14:05:38,891 WARN L191 SmtUtils]: Spent 10.47 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 14:05:44,095 WARN L191 SmtUtils]: Spent 5.20 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 14:06:10,653 WARN L191 SmtUtils]: Spent 26.48 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-18 14:06:19,393 WARN L191 SmtUtils]: Spent 8.74 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 14:06:50,500 WARN L191 SmtUtils]: Spent 31.02 s on a formula simplification. DAG size of input: 480 DAG size of output: 477 [2019-09-18 14:07:06,043 WARN L191 SmtUtils]: Spent 15.54 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-18 14:07:21,721 WARN L191 SmtUtils]: Spent 15.68 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-18 14:07:22,867 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-18 14:07:23,024 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-18 14:07:25,170 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 472 DAG size of output: 39 [2019-09-18 14:07:25,466 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 14:07:25,581 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-18 14:07:25,704 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-18 14:07:26,075 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-18 14:07:26,230 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-18 14:07:26,528 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 14:07:26,639 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-18 14:07:26,764 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-18 14:07:53,230 WARN L191 SmtUtils]: Spent 26.16 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-18 14:08:01,933 WARN L191 SmtUtils]: Spent 8.70 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 14:08:33,154 WARN L191 SmtUtils]: Spent 31.14 s on a formula simplification. DAG size of input: 480 DAG size of output: 477 [2019-09-18 14:08:48,656 WARN L191 SmtUtils]: Spent 15.50 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-18 14:09:04,267 WARN L191 SmtUtils]: Spent 15.61 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-18 14:09:04,577 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-18 14:09:04,737 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-18 14:09:06,874 WARN L191 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 472 DAG size of output: 39 [2019-09-18 14:09:07,165 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 14:09:07,279 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-18 14:09:07,406 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-18 14:09:07,702 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-18 14:09:07,858 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-18 14:09:08,150 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 14:09:08,263 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-18 14:09:08,417 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-18 14:09:08,430 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 19 for LOIs [2019-09-18 14:09:08,850 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-09-18 14:09:09,040 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2019-09-18 14:09:09,245 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2019-09-18 14:09:09,306 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-18 14:09:09,423 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-18 14:09:09,425 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-18 14:09:09,445 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 14:09:09,445 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 14:09:09,448 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 772#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-18 14:09:09,457 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 14:09:09,457 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 14:09:09,458 INFO L168 Benchmark]: Toolchain (without parser) took 436698.77 ms. Allocated memory was 138.4 MB in the beginning and 144.2 MB in the end (delta: 5.8 MB). Free memory was 84.8 MB in the beginning and 55.9 MB in the end (delta: 28.8 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2019-09-18 14:09:09,459 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 14:09:09,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.78 ms. Allocated memory was 138.4 MB in the beginning and 197.1 MB in the end (delta: 58.7 MB). Free memory was 84.5 MB in the beginning and 162.8 MB in the end (delta: -78.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-18 14:09:09,459 INFO L168 Benchmark]: Boogie Preprocessor took 91.99 ms. Allocated memory is still 197.1 MB. Free memory was 162.8 MB in the beginning and 158.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-18 14:09:09,460 INFO L168 Benchmark]: RCFGBuilder took 1237.37 ms. Allocated memory was 197.1 MB in the beginning and 219.2 MB in the end (delta: 22.0 MB). Free memory was 158.4 MB in the beginning and 169.1 MB in the end (delta: -10.7 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. [2019-09-18 14:09:09,460 INFO L168 Benchmark]: Sifa took 434691.17 ms. Allocated memory was 219.2 MB in the beginning and 144.2 MB in the end (delta: -75.0 MB). Free memory was 169.1 MB in the beginning and 55.9 MB in the end (delta: 113.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. [2019-09-18 14:09:09,462 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.78 ms. Allocated memory was 138.4 MB in the beginning and 197.1 MB in the end (delta: 58.7 MB). Free memory was 84.5 MB in the beginning and 162.8 MB in the end (delta: -78.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.99 ms. Allocated memory is still 197.1 MB. Free memory was 162.8 MB in the beginning and 158.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1237.37 ms. Allocated memory was 197.1 MB in the beginning and 219.2 MB in the end (delta: 22.0 MB). Free memory was 158.4 MB in the beginning and 169.1 MB in the end (delta: -10.7 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. * Sifa took 434691.17 ms. Allocated memory was 219.2 MB in the beginning and 144.2 MB in the end (delta: -75.0 MB). Free memory was 169.1 MB in the beginning and 55.9 MB in the end (delta: 113.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 434650, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 493, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 396, TOOLS_POST_TIME[ms]: 194117, TOOLS_POST_CALL_APPLICATIONS: 76, TOOLS_POST_CALL_TIME[ms]: 142, TOOLS_POST_RETURN_APPLICATIONS: 67, TOOLS_POST_RETURN_TIME[ms]: 68, TOOLS_QUANTIFIERELIM_APPLICATIONS: 538, TOOLS_QUANTIFIERELIM_TIME[ms]: 194182, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29243, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 501, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 97, DOMAIN_JOIN_TIME[ms]: 235096, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 4666, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 27, DOMAIN_ISBOTTOM_APPLICATIONS: 55, DOMAIN_ISBOTTOM_TIME[ms]: 335, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 133706, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 133705, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 67, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 198502, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 198502, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 14, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 54, DAG_COMPRESSION_PROCESSED_NODES: 663, DAG_COMPRESSION_RETAINED_NODES: 420 - UnprovableResult [Line: 602]: 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 772#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...