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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 22:17:41,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 22:17:41,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 22:17:41,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 22:17:41,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 22:17:41,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 22:17:41,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 22:17:41,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 22:17:41,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 22:17:41,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 22:17:41,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 22:17:41,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 22:17:41,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 22:17:41,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 22:17:41,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 22:17:41,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 22:17:41,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 22:17:41,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 22:17:41,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 22:17:41,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 22:17:41,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 22:17:41,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 22:17:41,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 22:17:41,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 22:17:41,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 22:17:41,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 22:17:41,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 22:17:41,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 22:17:41,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 22:17:41,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 22:17:41,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 22:17:41,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 22:17:41,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 22:17:41,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 22:17:41,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 22:17:41,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 22:17:41,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 22:17:41,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 22:17:41,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 22:17:41,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 22:17:41,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 22:17:41,118 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 22:17:41,131 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 22:17:41,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 22:17:41,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 22:17:41,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 22:17:41,133 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 22:17:41,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 22:17:41,134 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 22:17:41,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 22:17:41,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 22:17:41,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 22:17:41,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 22:17:41,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 22:17:41,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 22:17:41,135 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 22:17:41,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 22:17:41,135 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 22:17:41,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 22:17:41,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 22:17:41,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 22:17:41,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 22:17:41,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 22:17:41,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 22:17:41,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 22:17:41,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 22:17:41,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 22:17:41,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 22:17:41,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 22:17:41,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 22:17:41,138 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 -> ReUseSupersetCallSummarizer 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 22:17:41,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 22:17:41,204 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 22:17:41,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 22:17:41,209 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 22:17:41,210 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 22:17:41,210 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2019-09-18 22:17:41,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e75ac18f/fbd7f09e31c04a2e871a1b09dc3ed28c/FLAGbc012b08a [2019-09-18 22:17:41,758 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 22:17:41,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2019-09-18 22:17:41,775 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e75ac18f/fbd7f09e31c04a2e871a1b09dc3ed28c/FLAGbc012b08a [2019-09-18 22:17:42,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e75ac18f/fbd7f09e31c04a2e871a1b09dc3ed28c [2019-09-18 22:17:42,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 22:17:42,103 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 22:17:42,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 22:17:42,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 22:17:42,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 22:17:42,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:17:42" (1/1) ... [2019-09-18 22:17:42,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aceb178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:17:42, skipping insertion in model container [2019-09-18 22:17:42,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:17:42" (1/1) ... [2019-09-18 22:17:42,120 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 22:17:42,183 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 22:17:42,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 22:17:42,615 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 22:17:42,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 22:17:42,777 INFO L192 MainTranslator]: Completed translation [2019-09-18 22:17:42,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:17:42 WrapperNode [2019-09-18 22:17:42,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 22:17:42,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 22:17:42,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 22:17:42,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 22:17:42,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:17:42" (1/1) ... [2019-09-18 22:17:42,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:17:42" (1/1) ... [2019-09-18 22:17:42,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:17:42" (1/1) ... [2019-09-18 22:17:42,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:17:42" (1/1) ... [2019-09-18 22:17:42,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:17:42" (1/1) ... [2019-09-18 22:17:42,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:17:42" (1/1) ... [2019-09-18 22:17:42,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:17:42" (1/1) ... [2019-09-18 22:17:42,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 22:17:42,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 22:17:42,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 22:17:42,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 22:17:42,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:17:42" (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 22:17:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 22:17:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 22:17:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 22:17:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 22:17:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 22:17:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 22:17:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 22:17:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 22:17:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 22:17:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 22:17:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 22:17:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 22:17:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 22:17:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 22:17:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 22:17:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 22:17:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 22:17:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 22:17:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 22:17:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-18 22:17:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 22:17:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 22:17:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 22:17:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 22:17:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 22:17:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 22:17:42,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 22:17:42,935 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 22:17:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-18 22:17:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 22:17:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 22:17:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 22:17:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 22:17:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 22:17:42,937 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 22:17:42,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 22:17:42,937 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 22:17:42,937 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 22:17:42,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 22:17:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 22:17:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 22:17:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 22:17:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 22:17:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 22:17:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 22:17:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 22:17:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 22:17:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 22:17:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 22:17:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 22:17:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 22:17:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 22:17:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 22:17:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 22:17:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 22:17:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 22:17:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 22:17:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 22:17:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 22:17:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 22:17:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 22:17:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 22:17:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 22:17:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 22:17:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 22:17:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 22:17:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 22:17:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 22:17:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 22:17:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 22:17:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 22:17:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 22:17:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 22:17:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 22:17:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-18 22:17:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 22:17:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 22:17:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 22:17:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-18 22:17:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 22:17:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 22:17:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 22:17:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 22:17:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 22:17:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 22:17:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 22:17:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 22:17:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 22:17:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 22:17:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 22:17:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 22:17:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 22:17:44,562 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 22:17:44,563 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 22:17:44,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:17:44 BoogieIcfgContainer [2019-09-18 22:17:44,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 22:17:44,565 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 22:17:44,565 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 22:17:44,565 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 22:17:44,567 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:17:44" (1/1) ... [2019-09-18 22:17:44,567 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 22:17:44,594 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 22:17:44,594 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 22:17:44,603 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 22:17:44,613 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 22:17:44,615 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 22:17:56,659 WARN L191 SmtUtils]: Spent 11.96 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-18 22:18:08,398 WARN L191 SmtUtils]: Spent 11.74 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-18 22:18:31,404 WARN L191 SmtUtils]: Spent 13.83 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 22:18:33,216 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 22:18:37,047 WARN L191 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-18 22:18:37,055 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 22:18:38,830 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 22:18:40,595 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 22:18:42,342 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 22:18:44,122 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 22:18:45,907 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:18:47,650 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:18:49,393 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 22:18:51,118 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 22:18:51,126 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 22:18:51,131 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 22:18:54,716 WARN L191 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 431 DAG size of output: 425 [2019-09-18 22:18:56,416 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 425 [2019-09-18 22:19:07,232 WARN L191 SmtUtils]: Spent 10.76 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-18 22:19:12,534 WARN L191 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 22:19:23,300 WARN L191 SmtUtils]: Spent 10.76 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-18 22:19:28,641 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 22:19:38,782 WARN L191 SmtUtils]: Spent 10.10 s on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2019-09-18 22:19:43,859 WARN L191 SmtUtils]: Spent 5.08 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 22:20:02,940 WARN L191 SmtUtils]: Spent 19.06 s on a formula simplification. DAG size of input: 468 DAG size of output: 463 [2019-09-18 22:20:11,527 WARN L191 SmtUtils]: Spent 8.59 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 22:20:13,479 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 434 DAG size of output: 1 [2019-09-18 22:20:30,139 WARN L191 SmtUtils]: Spent 16.66 s on a formula simplification. DAG size of input: 436 DAG size of output: 435 [2019-09-18 22:20:38,458 WARN L191 SmtUtils]: Spent 8.32 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 22:20:46,800 WARN L191 SmtUtils]: Spent 8.34 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 22:20:55,182 WARN L191 SmtUtils]: Spent 8.38 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 22:21:27,604 WARN L191 SmtUtils]: Spent 32.38 s on a formula simplification. DAG size of input: 507 DAG size of output: 485 [2019-09-18 22:21:41,572 WARN L191 SmtUtils]: Spent 13.97 s on a formula simplification that was a NOOP. DAG size: 485 [2019-09-18 22:21:46,704 WARN L191 SmtUtils]: Spent 5.09 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 22:22:05,980 WARN L191 SmtUtils]: Spent 19.26 s on a formula simplification. DAG size of input: 468 DAG size of output: 463 [2019-09-18 22:22:14,633 WARN L191 SmtUtils]: Spent 8.65 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 22:22:30,568 WARN L191 SmtUtils]: Spent 15.93 s on a formula simplification that was a NOOP. DAG size: 494 [2019-09-18 22:22:31,457 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2019-09-18 22:22:32,922 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2019-09-18 22:22:33,162 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2019-09-18 22:22:33,317 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-18 22:22:33,987 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2019-09-18 22:22:34,370 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-18 22:22:34,377 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 18 for LOIs [2019-09-18 22:22:34,840 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-18 22:22:34,932 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-18 22:22:35,103 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-18 22:22:35,120 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-18 22:22:35,155 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 22:22:35,155 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 22:22:35,157 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 443#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-18 22:22:35,169 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 22:22:35,169 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 22:22:35,171 INFO L168 Benchmark]: Toolchain (without parser) took 293067.48 ms. Allocated memory was 133.7 MB in the beginning and 148.4 MB in the end (delta: 14.7 MB). Free memory was 87.1 MB in the beginning and 84.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2019-09-18 22:22:35,172 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 22:22:35,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.67 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 86.8 MB in the beginning and 165.1 MB in the end (delta: -78.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-18 22:22:35,173 INFO L168 Benchmark]: Boogie Preprocessor took 88.37 ms. Allocated memory is still 200.3 MB. Free memory was 165.1 MB in the beginning and 160.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-18 22:22:35,174 INFO L168 Benchmark]: RCFGBuilder took 1697.72 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 160.9 MB in the beginning and 145.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. [2019-09-18 22:22:35,175 INFO L168 Benchmark]: Sifa took 290604.18 ms. Allocated memory was 226.5 MB in the beginning and 148.4 MB in the end (delta: -78.1 MB). Free memory was 145.7 MB in the beginning and 84.0 MB in the end (delta: 61.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 22:22:35,179 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 133.7 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.67 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 86.8 MB in the beginning and 165.1 MB in the end (delta: -78.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.37 ms. Allocated memory is still 200.3 MB. Free memory was 165.1 MB in the beginning and 160.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1697.72 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 160.9 MB in the beginning and 145.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. * Sifa took 290604.18 ms. Allocated memory was 226.5 MB in the beginning and 148.4 MB in the end (delta: -78.1 MB). Free memory was 145.7 MB in the beginning and 84.0 MB in the end (delta: 61.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 290563, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 213, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 147, TOOLS_POST_TIME[ms]: 100, TOOLS_POST_CALL_APPLICATIONS: 57, TOOLS_POST_CALL_TIME[ms]: 132, TOOLS_POST_RETURN_APPLICATIONS: 48, TOOLS_POST_RETURN_TIME[ms]: 28761, TOOLS_QUANTIFIERELIM_APPLICATIONS: 252, TOOLS_QUANTIFIERELIM_TIME[ms]: 28898, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28646, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 218, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 72, DOMAIN_JOIN_TIME[ms]: 255445, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 297, DOMAIN_ISSUBSETEQ_APPLICATIONS: 41, DOMAIN_ISSUBSETEQ_TIME[ms]: 148, DOMAIN_ISBOTTOM_APPLICATIONS: 38, DOMAIN_ISBOTTOM_TIME[ms]: 211, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 222709, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 222709, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 48, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 108765, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 29, DAG_COMPRESSION_PROCESSED_NODES: 370, DAG_COMPRESSION_RETAINED_NODES: 204 - UnprovableResult [Line: 935]: 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 443#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...