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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:18:26,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:18:26,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:18:26,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:18:26,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:18:26,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:18:26,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:18:26,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:18:26,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:18:26,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:18:26,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:18:26,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:18:26,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:18:26,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:18:26,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:18:26,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:18:26,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:18:26,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:18:26,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:18:26,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:18:26,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:18:26,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:18:26,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:18:26,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:18:26,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:18:26,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:18:26,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:18:26,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:18:26,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:18:26,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:18:26,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:18:26,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:18:26,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:18:26,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:18:26,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:18:26,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:18:26,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:18:26,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:18:26,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:18:26,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:18:26,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:18:26,104 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 [2019-09-21 09:18:26,117 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:18:26,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:18:26,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:18:26,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:18:26,119 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:18:26,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:18:26,120 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:18:26,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:18:26,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:18:26,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:18:26,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:18:26,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:18:26,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:18:26,121 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:18:26,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:18:26,122 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:18:26,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:18:26,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:18:26,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:18:26,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:18:26,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:18:26,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:18:26,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:18:26,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:18:26,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:18:26,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:18:26,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:18:26,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:18:26,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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_QUICK [2019-09-21 09:18:26,155 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:18:26,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:18:26,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:18:26,172 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:18:26,172 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:18:26,173 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2019-09-21 09:18:26,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d97ec152/f2068faa4ac64fa9a4093a87fcfd768b/FLAG95111535d [2019-09-21 09:18:26,760 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:18:26,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2019-09-21 09:18:26,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d97ec152/f2068faa4ac64fa9a4093a87fcfd768b/FLAG95111535d [2019-09-21 09:18:27,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d97ec152/f2068faa4ac64fa9a4093a87fcfd768b [2019-09-21 09:18:27,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:18:27,075 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:18:27,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:18:27,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:18:27,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:18:27,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:18:27" (1/1) ... [2019-09-21 09:18:27,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ce7160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:27, skipping insertion in model container [2019-09-21 09:18:27,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:18:27" (1/1) ... [2019-09-21 09:18:27,093 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:18:27,160 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:18:27,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:18:27,579 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:18:27,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:18:27,705 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:18:27,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:27 WrapperNode [2019-09-21 09:18:27,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:18:27,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:18:27,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:18:27,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:18:27,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:27" (1/1) ... [2019-09-21 09:18:27,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:27" (1/1) ... [2019-09-21 09:18:27,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:27" (1/1) ... [2019-09-21 09:18:27,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:27" (1/1) ... [2019-09-21 09:18:27,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:27" (1/1) ... [2019-09-21 09:18:27,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:27" (1/1) ... [2019-09-21 09:18:27,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:27" (1/1) ... [2019-09-21 09:18:27,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:18:27,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:18:27,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:18:27,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:18:27,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:27" (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 [2019-09-21 09:18:27,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:18:27,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:18:27,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 09:18:27,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 09:18:27,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 09:18:27,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 09:18:27,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 09:18:27,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 09:18:27,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 09:18:27,860 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 09:18:27,860 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 09:18:27,861 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 09:18:27,861 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 09:18:27,861 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 09:18:27,861 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 09:18:27,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 09:18:27,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 09:18:27,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 09:18:27,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-21 09:18:27,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 09:18:27,865 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 09:18:27,865 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 09:18:27,865 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 09:18:27,865 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 09:18:27,865 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 09:18:27,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 09:18:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 09:18:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:18:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 09:18:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 09:18:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 09:18:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 09:18:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 09:18:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 09:18:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 09:18:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-21 09:18:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-21 09:18:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-21 09:18:27,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-21 09:18:27,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:18:27,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:18:27,868 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 09:18:27,868 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 09:18:27,868 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:18:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:18:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 09:18:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:18:27,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:18:27,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:18:27,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:18:27,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 09:18:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:18:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 09:18:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 09:18:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:18:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 09:18:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 09:18:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:18:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 09:18:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 09:18:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 09:18:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 09:18:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 09:18:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 09:18:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 09:18:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 09:18:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 09:18:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-21 09:18:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 09:18:27,875 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 09:18:27,875 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 09:18:27,875 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 09:18:27,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-21 09:18:27,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-21 09:18:27,876 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 09:18:27,876 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 09:18:27,877 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-21 09:18:27,877 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 09:18:27,877 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 09:18:27,877 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 09:18:27,878 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 09:18:27,878 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 09:18:27,879 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 09:18:27,879 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 09:18:27,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-21 09:18:27,879 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 09:18:27,879 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:18:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 09:18:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 09:18:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:18:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 09:18:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:18:29,471 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:18:29,471 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 09:18:29,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:18:29 BoogieIcfgContainer [2019-09-21 09:18:29,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:18:29,474 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:18:29,474 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:18:29,474 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:18:29,475 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:18:29" (1/1) ... [2019-09-21 09:18:29,476 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:18:29,512 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:18:29,513 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:18:29,527 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:18:29,539 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:18:29,541 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:18:38,565 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 09:18:40,192 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 09:18:40,347 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 09:18:40,406 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 117 for LOIs [2019-09-21 09:18:40,440 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 117 for LOIs [2019-09-21 09:18:40,450 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 117 for LOIs [2019-09-21 09:18:44,002 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-21 09:18:44,004 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 109 for LOIs [2019-09-21 09:18:44,072 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 106 for LOIs [2019-09-21 09:18:44,079 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 107 for LOIs [2019-09-21 09:18:44,090 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:18:44,090 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:18:44,092 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 679#(and (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (<= 0 ~switchedOnBeforeTS~0) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 0) (<= 0 |#t~string44.offset|) (<= |#t~string44.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string21.offset| 0) (<= 0 |#t~string48.offset|) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= |#t~string46.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)) [2019-09-21 09:18:44,106 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:18:44,106 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:18:44,108 INFO L168 Benchmark]: Toolchain (without parser) took 17034.30 ms. Allocated memory was 138.4 MB in the beginning and 415.2 MB in the end (delta: 276.8 MB). Free memory was 85.2 MB in the beginning and 215.4 MB in the end (delta: -130.2 MB). Peak memory consumption was 146.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:18:44,109 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:18:44,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.49 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 85.0 MB in the beginning and 165.6 MB in the end (delta: -80.6 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:18:44,111 INFO L168 Benchmark]: Boogie Preprocessor took 90.57 ms. Allocated memory is still 199.8 MB. Free memory was 165.6 MB in the beginning and 161.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:18:44,112 INFO L168 Benchmark]: RCFGBuilder took 1673.62 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 160.8 MB in the beginning and 142.6 MB in the end (delta: 18.3 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:18:44,113 INFO L168 Benchmark]: Sifa took 14632.10 ms. Allocated memory was 224.9 MB in the beginning and 415.2 MB in the end (delta: 190.3 MB). Free memory was 142.6 MB in the beginning and 215.4 MB in the end (delta: -72.9 MB). Peak memory consumption was 117.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:18:44,117 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 629.49 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 85.0 MB in the beginning and 165.6 MB in the end (delta: -80.6 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.57 ms. Allocated memory is still 199.8 MB. Free memory was 165.6 MB in the beginning and 161.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1673.62 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 160.8 MB in the beginning and 142.6 MB in the end (delta: 18.3 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. * Sifa took 14632.10 ms. Allocated memory was 224.9 MB in the beginning and 415.2 MB in the end (delta: 190.3 MB). Free memory was 142.6 MB in the beginning and 215.4 MB in the end (delta: -72.9 MB). Peak memory consumption was 117.4 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]: 14580, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 478, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 317, TOOLS_POST_TIME[ms]: 10944, TOOLS_POST_CALL_APPLICATIONS: 120, TOOLS_POST_CALL_TIME[ms]: 286, TOOLS_POST_RETURN_APPLICATIONS: 113, TOOLS_POST_RETURN_TIME[ms]: 124, TOOLS_QUANTIFIERELIM_APPLICATIONS: 549, TOOLS_QUANTIFIERELIM_TIME[ms]: 11163, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10727, FLUID_QUERY_TIME[ms]: 24, FLUID_QUERIES: 508, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 112, DOMAIN_JOIN_TIME[ms]: 2721, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 15, DOMAIN_WIDEN_TIME[ms]: 70, DOMAIN_ISSUBSETEQ_APPLICATIONS: 30, DOMAIN_ISSUBSETEQ_TIME[ms]: 119, DOMAIN_ISBOTTOM_APPLICATIONS: 55, DOMAIN_ISBOTTOM_TIME[ms]: 129, LOOP_SUMMARIZER_APPLICATIONS: 15, LOOP_SUMMARIZER_CACHE_MISSES: 15, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3168, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3168, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 30, CALL_SUMMARIZER_APPLICATIONS: 113, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10890, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10889, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 435, DAG_COMPRESSION_RETAINED_NODES: 236 - UnprovableResult [Line: 780]: 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 679#(and (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (<= 0 ~switchedOnBeforeTS~0) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 0) (<= 0 |#t~string44.offset|) (<= |#t~string44.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string21.offset| 0) (<= 0 |#t~string48.offset|) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= |#t~string46.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...