java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 20:20:16,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 20:20:16,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 20:20:16,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 20:20:16,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 20:20:16,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 20:20:16,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 20:20:16,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 20:20:16,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 20:20:16,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 20:20:16,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 20:20:16,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 20:20:16,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 20:20:16,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 20:20:16,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 20:20:16,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 20:20:16,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 20:20:16,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 20:20:16,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 20:20:16,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 20:20:16,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 20:20:16,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 20:20:16,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 20:20:16,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 20:20:16,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 20:20:16,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 20:20:16,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 20:20:16,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 20:20:16,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 20:20:16,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 20:20:16,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 20:20:16,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 20:20:16,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 20:20:16,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 20:20:16,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 20:20:16,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 20:20:16,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 20:20:16,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 20:20:16,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 20:20:16,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 20:20:16,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 20:20:16,937 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 [2019-09-16 20:20:16,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 20:20:16,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 20:20:16,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 20:20:16,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 20:20:16,953 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 20:20:16,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 20:20:16,953 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 20:20:16,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 20:20:16,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 20:20:16,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 20:20:16,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 20:20:16,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 20:20:16,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 20:20:16,954 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 20:20:16,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 20:20:16,955 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 20:20:16,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 20:20:16,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 20:20:16,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 20:20:16,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 20:20:16,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 20:20:16,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 20:20:16,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 20:20:16,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 20:20:16,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 20:20:16,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 20:20:16,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 20:20:16,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 20:20:16,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> 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 [2019-09-16 20:20:17,005 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 20:20:17,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 20:20:17,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 20:20:17,022 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 20:20:17,022 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 20:20:17,023 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2019-09-16 20:20:17,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e13019c3/0ba9e4d3b85040dfa1e84f0ab9adddeb/FLAG9985f2687 [2019-09-16 20:20:17,580 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 20:20:17,581 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2019-09-16 20:20:17,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e13019c3/0ba9e4d3b85040dfa1e84f0ab9adddeb/FLAG9985f2687 [2019-09-16 20:20:17,908 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e13019c3/0ba9e4d3b85040dfa1e84f0ab9adddeb [2019-09-16 20:20:17,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 20:20:17,918 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 20:20:17,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 20:20:17,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 20:20:17,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 20:20:17,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 08:20:17" (1/1) ... [2019-09-16 20:20:17,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@750b091d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:20:17, skipping insertion in model container [2019-09-16 20:20:17,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 08:20:17" (1/1) ... [2019-09-16 20:20:17,935 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 20:20:17,983 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 20:20:18,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 20:20:18,470 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 20:20:18,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 20:20:18,623 INFO L192 MainTranslator]: Completed translation [2019-09-16 20:20:18,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:20:18 WrapperNode [2019-09-16 20:20:18,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 20:20:18,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 20:20:18,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 20:20:18,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 20:20:18,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:20:18" (1/1) ... [2019-09-16 20:20:18,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:20:18" (1/1) ... [2019-09-16 20:20:18,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:20:18" (1/1) ... [2019-09-16 20:20:18,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:20:18" (1/1) ... [2019-09-16 20:20:18,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:20:18" (1/1) ... [2019-09-16 20:20:18,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:20:18" (1/1) ... [2019-09-16 20:20:18,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:20:18" (1/1) ... [2019-09-16 20:20:18,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 20:20:18,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 20:20:18,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 20:20:18,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 20:20:18,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:20:18" (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 [2019-09-16 20:20:18,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 20:20:18,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 20:20:18,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 20:20:18,768 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 20:20:18,769 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 20:20:18,769 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 20:20:18,769 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 20:20:18,769 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 20:20:18,769 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 20:20:18,770 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 20:20:18,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 20:20:18,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 20:20:18,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 20:20:18,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 20:20:18,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 20:20:18,771 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-16 20:20:18,771 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-16 20:20:18,771 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 20:20:18,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-16 20:20:18,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-16 20:20:18,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-16 20:20:18,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 20:20:18,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 20:20:18,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 20:20:18,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 20:20:18,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 20:20:18,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 20:20:18,773 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 20:20:18,773 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 20:20:18,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 20:20:18,773 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 20:20:18,773 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 20:20:18,773 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 20:20:18,773 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 20:20:18,774 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 20:20:18,774 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 20:20:18,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 20:20:18,774 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 20:20:18,774 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 20:20:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 20:20:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 20:20:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 20:20:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 20:20:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 20:20:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 20:20:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 20:20:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 20:20:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 20:20:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 20:20:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 20:20:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 20:20:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 20:20:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 20:20:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 20:20:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 20:20:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 20:20:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 20:20:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 20:20:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-16 20:20:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-16 20:20:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-16 20:20:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-16 20:20:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 20:20:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 20:20:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 20:20:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 20:20:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 20:20:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 20:20:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 20:20:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 20:20:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 20:20:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 20:20:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 20:20:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 20:20:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 20:20:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 20:20:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-16 20:20:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 20:20:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 20:20:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 20:20:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 20:20:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 20:20:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 20:20:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 20:20:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 20:20:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 20:20:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 20:20:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 20:20:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 20:20:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 20:20:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 20:20:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 20:20:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 20:20:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 20:20:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 20:20:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 20:20:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 20:20:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 20:20:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 20:20:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 20:20:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 20:20:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 20:20:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 20:20:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 20:20:20,289 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 20:20:20,289 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 20:20:20,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 08:20:20 BoogieIcfgContainer [2019-09-16 20:20:20,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 20:20:20,291 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 20:20:20,291 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 20:20:20,292 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 20:20:20,293 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 08:20:20" (1/1) ... [2019-09-16 20:20:20,293 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 [2019-09-16 20:20:20,319 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 20:20:20,319 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 20:20:20,334 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 20:20:20,346 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 20:20:20,347 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 20:20:37,991 WARN L191 SmtUtils]: Spent 10.39 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-16 20:20:39,638 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-16 20:20:43,575 WARN L191 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-16 20:20:45,347 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-16 20:20:47,071 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-16 20:20:47,086 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-16 20:20:47,153 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-16 20:20:47,169 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-16 20:20:59,408 WARN L191 SmtUtils]: Spent 11.97 s on a formula simplification. DAG size of input: 467 DAG size of output: 466 [2019-09-16 20:21:05,376 WARN L191 SmtUtils]: Spent 5.97 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-16 20:21:17,091 WARN L191 SmtUtils]: Spent 11.71 s on a formula simplification. DAG size of input: 467 DAG size of output: 466 [2019-09-16 20:21:22,867 WARN L191 SmtUtils]: Spent 5.77 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-16 20:21:38,399 WARN L191 SmtUtils]: Spent 15.52 s on a formula simplification. DAG size of input: 469 DAG size of output: 468 [2019-09-16 20:21:38,702 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-16 20:21:38,979 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-09-16 20:21:54,431 WARN L191 SmtUtils]: Spent 15.45 s on a formula simplification. DAG size of input: 469 DAG size of output: 468 [2019-09-16 20:21:54,730 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-16 20:21:55,007 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-09-16 20:21:55,298 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 76 [2019-09-16 20:21:55,633 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 76 [2019-09-16 20:21:56,077 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 76 [2019-09-16 20:21:56,466 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 76 [2019-09-16 20:21:56,856 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 76 [2019-09-16 20:21:57,213 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 76 [2019-09-16 20:21:57,650 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 76 [2019-09-16 20:21:58,003 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 76 [2019-09-16 20:21:58,422 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 76 [2019-09-16 20:21:58,793 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 76 [2019-09-16 20:21:59,161 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 76 [2019-09-16 20:21:59,518 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 76 [2019-09-16 20:21:59,923 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 76 [2019-09-16 20:22:00,032 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-16 20:22:00,303 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 76 [2019-09-16 20:22:00,699 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 76 [2019-09-16 20:22:01,036 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 76 [2019-09-16 20:22:01,405 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 76 [2019-09-16 20:22:01,805 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 76 [2019-09-16 20:22:03,722 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2019-09-16 20:22:04,099 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-16 20:22:04,954 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2019-09-16 20:22:05,342 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-16 20:22:06,184 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2019-09-16 20:22:06,574 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-16 20:22:07,360 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2019-09-16 20:22:07,733 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-16 20:22:09,055 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 118 DAG size of output: 112 [2019-09-16 20:22:09,441 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-16 20:22:10,760 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 118 DAG size of output: 112 [2019-09-16 20:22:11,146 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-16 20:22:12,488 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2019-09-16 20:22:12,897 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-16 20:22:13,668 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2019-09-16 20:22:14,046 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-16 20:22:14,887 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2019-09-16 20:22:15,289 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-16 20:22:16,129 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2019-09-16 20:22:16,534 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-16 20:22:17,477 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-16 20:22:18,154 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-16 20:22:19,536 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 124 DAG size of output: 121 [2019-09-16 20:22:20,230 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-16 20:22:22,144 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 130 DAG size of output: 130 [2019-09-16 20:22:24,062 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 130 DAG size of output: 130 [2019-09-16 20:22:24,312 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-16 20:22:24,515 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2019-09-16 20:22:24,720 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2019-09-16 20:22:24,906 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-16 20:22:25,176 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-16 20:22:25,462 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-16 20:22:25,687 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-09-16 20:22:25,855 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-16 20:22:26,135 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2019-09-16 20:22:26,435 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2019-09-16 20:22:26,626 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-16 20:22:26,744 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-16 20:22:26,984 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-09-16 20:22:27,102 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-16 20:22:27,443 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-16 20:22:27,802 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-16 20:22:28,716 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2019-09-16 20:22:29,087 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-16 20:22:29,935 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2019-09-16 20:22:30,323 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-16 20:22:31,162 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2019-09-16 20:22:31,553 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-16 20:22:32,365 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2019-09-16 20:22:32,736 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-16 20:22:34,046 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 118 DAG size of output: 112 [2019-09-16 20:22:34,431 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-16 20:22:35,769 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 118 DAG size of output: 112 [2019-09-16 20:22:36,164 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-16 20:22:37,484 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2019-09-16 20:22:37,880 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-16 20:22:38,668 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2019-09-16 20:22:39,040 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-16 20:22:39,888 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2019-09-16 20:22:40,289 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-16 20:22:41,115 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2019-09-16 20:22:41,517 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-16 20:22:42,232 WARN L191 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-16 20:22:42,932 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-16 20:22:44,319 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 124 DAG size of output: 121 [2019-09-16 20:22:45,003 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-16 20:22:46,934 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 130 DAG size of output: 130 [2019-09-16 20:22:48,853 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 130 DAG size of output: 130 [2019-09-16 20:22:48,993 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-16 20:22:49,197 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2019-09-16 20:22:49,404 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2019-09-16 20:22:49,589 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-16 20:22:49,861 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-16 20:22:50,137 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-16 20:22:50,343 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-09-16 20:22:50,517 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-16 20:22:50,805 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2019-09-16 20:22:51,097 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2019-09-16 20:22:51,282 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-16 20:22:51,397 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-16 20:22:51,633 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-09-16 20:22:51,748 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-16 20:22:52,090 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-16 20:22:52,432 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-16 20:22:52,475 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 23 for LOIs [2019-09-16 20:22:52,805 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-16 20:22:53,009 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-16 20:22:53,100 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-16 20:22:53,301 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 22 for LOIs [2019-09-16 20:22:53,305 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 33 for LOIs [2019-09-16 20:22:53,366 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 20:22:53,366 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 20:22:53,368 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 687#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 0 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-16 20:22:53,382 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 20:22:53,382 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 20:22:53,383 INFO L168 Benchmark]: Toolchain (without parser) took 155465.30 ms. Allocated memory was 138.9 MB in the beginning and 163.1 MB in the end (delta: 24.1 MB). Free memory was 85.1 MB in the beginning and 87.2 MB in the end (delta: -2.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-16 20:22:53,384 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 20:22:53,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.17 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 84.9 MB in the beginning and 163.7 MB in the end (delta: -78.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-09-16 20:22:53,386 INFO L168 Benchmark]: Boogie Preprocessor took 87.96 ms. Allocated memory is still 199.2 MB. Free memory was 163.7 MB in the beginning and 159.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-16 20:22:53,387 INFO L168 Benchmark]: RCFGBuilder took 1578.02 ms. Allocated memory was 199.2 MB in the beginning and 221.8 MB in the end (delta: 22.5 MB). Free memory was 159.3 MB in the beginning and 138.4 MB in the end (delta: 21.0 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. [2019-09-16 20:22:53,387 INFO L168 Benchmark]: Sifa took 153090.74 ms. Allocated memory was 221.8 MB in the beginning and 163.1 MB in the end (delta: -58.7 MB). Free memory was 138.4 MB in the beginning and 87.2 MB in the end (delta: 51.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 20:22:53,391 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 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 705.17 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 84.9 MB in the beginning and 163.7 MB in the end (delta: -78.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.96 ms. Allocated memory is still 199.2 MB. Free memory was 163.7 MB in the beginning and 159.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1578.02 ms. Allocated memory was 199.2 MB in the beginning and 221.8 MB in the end (delta: 22.5 MB). Free memory was 159.3 MB in the beginning and 138.4 MB in the end (delta: 21.0 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. * Sifa took 153090.74 ms. Allocated memory was 221.8 MB in the beginning and 163.1 MB in the end (delta: -58.7 MB). Free memory was 138.4 MB in the beginning and 87.2 MB in the end (delta: 51.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 153050, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 313, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 213, TOOLS_POST_TIME[ms]: 23265, TOOLS_POST_CALL_APPLICATIONS: 86, TOOLS_POST_CALL_TIME[ms]: 184, TOOLS_POST_RETURN_APPLICATIONS: 77, TOOLS_POST_RETURN_TIME[ms]: 88, TOOLS_QUANTIFIERELIM_APPLICATIONS: 376, TOOLS_QUANTIFIERELIM_TIME[ms]: 23401, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 23143, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 320, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 131, DOMAIN_JOIN_TIME[ms]: 128359, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 270, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 85, DOMAIN_ISBOTTOM_TIME[ms]: 695, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 51040, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 51039, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 77, CALL_SUMMARIZER_CACHE_MISSES: 30, CALL_SUMMARIZER_OVERALL_TIME[ms]: 27810, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 27809, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 647, DAG_COMPRESSION_RETAINED_NODES: 269 - UnprovableResult [Line: 923]: 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 687#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 0 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...