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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 22:53:11,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 22:53:11,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 22:53:11,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 22:53:11,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 22:53:11,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 22:53:11,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 22:53:11,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 22:53:11,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 22:53:11,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 22:53:11,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 22:53:11,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 22:53:11,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 22:53:11,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 22:53:11,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 22:53:11,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 22:53:11,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 22:53:11,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 22:53:11,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 22:53:11,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 22:53:11,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 22:53:11,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 22:53:11,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 22:53:11,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 22:53:11,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 22:53:11,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 22:53:11,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 22:53:11,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 22:53:11,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 22:53:11,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 22:53:11,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 22:53:11,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 22:53:11,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 22:53:11,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 22:53:11,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 22:53:11,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 22:53:11,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 22:53:11,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 22:53:11,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 22:53:11,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 22:53:11,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 22:53:11,891 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 [2019-09-19 22:53:11,912 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 22:53:11,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 22:53:11,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 22:53:11,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 22:53:11,915 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 22:53:11,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 22:53:11,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 22:53:11,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 22:53:11,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 22:53:11,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 22:53:11,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 22:53:11,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 22:53:11,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 22:53:11,918 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 22:53:11,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 22:53:11,919 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 22:53:11,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 22:53:11,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 22:53:11,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 22:53:11,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 22:53:11,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 22:53:11,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:53:11,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 22:53:11,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 22:53:11,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 22:53:11,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 22:53:11,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 22:53:11,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 22:53:11,921 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 22:53:11,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 22:53:11,985 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 22:53:11,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 22:53:11,990 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 22:53:11,991 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 22:53:11,991 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2019-09-19 22:53:12,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a5eb9b99/36559c463fb545e3a23c86cf76ff2389/FLAG58c5c3df0 [2019-09-19 22:53:12,586 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 22:53:12,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2019-09-19 22:53:12,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a5eb9b99/36559c463fb545e3a23c86cf76ff2389/FLAG58c5c3df0 [2019-09-19 22:53:12,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a5eb9b99/36559c463fb545e3a23c86cf76ff2389 [2019-09-19 22:53:12,883 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 22:53:12,885 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 22:53:12,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 22:53:12,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 22:53:12,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 22:53:12,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:53:12" (1/1) ... [2019-09-19 22:53:12,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a62de58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:53:12, skipping insertion in model container [2019-09-19 22:53:12,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:53:12" (1/1) ... [2019-09-19 22:53:12,900 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 22:53:12,947 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 22:53:13,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:53:13,406 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 22:53:13,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:53:13,560 INFO L192 MainTranslator]: Completed translation [2019-09-19 22:53:13,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:53:13 WrapperNode [2019-09-19 22:53:13,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 22:53:13,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 22:53:13,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 22:53:13,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 22:53:13,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:53:13" (1/1) ... [2019-09-19 22:53:13,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:53:13" (1/1) ... [2019-09-19 22:53:13,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:53:13" (1/1) ... [2019-09-19 22:53:13,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:53:13" (1/1) ... [2019-09-19 22:53:13,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:53:13" (1/1) ... [2019-09-19 22:53:13,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:53:13" (1/1) ... [2019-09-19 22:53:13,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:53:13" (1/1) ... [2019-09-19 22:53:13,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 22:53:13,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 22:53:13,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 22:53:13,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 22:53:13,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:53:13" (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 [2019-09-19 22:53:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 22:53:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 22:53:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 22:53:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 22:53:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 22:53:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 22:53:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 22:53:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 22:53:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 22:53:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 22:53:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 22:53:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 22:53:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 22:53:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 22:53:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 22:53:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 22:53:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 22:53:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 22:53:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 22:53:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 22:53:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 22:53:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 22:53:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 22:53:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 22:53:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 22:53:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 22:53:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 22:53:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 22:53:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 22:53:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 22:53:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 22:53:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 22:53:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 22:53:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 22:53:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 22:53:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-19 22:53:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-19 22:53:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 22:53:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 22:53:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 22:53:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 22:53:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 22:53:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 22:53:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 22:53:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 22:53:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 22:53:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 22:53:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 22:53:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 22:53:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 22:53:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 22:53:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 22:53:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 22:53:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 22:53:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 22:53:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 22:53:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 22:53:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 22:53:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 22:53:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 22:53:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 22:53:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 22:53:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 22:53:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 22:53:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 22:53:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 22:53:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 22:53:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 22:53:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-19 22:53:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 22:53:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 22:53:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 22:53:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 22:53:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 22:53:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 22:53:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 22:53:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 22:53:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 22:53:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 22:53:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 22:53:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-19 22:53:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 22:53:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 22:53:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 22:53:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 22:53:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 22:53:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 22:53:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 22:53:15,232 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 22:53:15,233 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 22:53:15,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:53:15 BoogieIcfgContainer [2019-09-19 22:53:15,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 22:53:15,235 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 22:53:15,235 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 22:53:15,235 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 22:53:15,237 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:53:15" (1/1) ... [2019-09-19 22:53:15,237 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-19 22:53:15,271 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 22:53:15,272 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 22:53:15,283 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 22:53:15,293 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 22:53:15,295 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 22:53:36,427 WARN L191 SmtUtils]: Spent 12.69 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 22:53:38,206 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 22:53:41,915 WARN L191 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 22:53:43,611 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 22:53:45,298 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 22:53:45,323 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-19 22:53:45,388 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-19 22:53:45,406 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-19 22:53:57,076 WARN L191 SmtUtils]: Spent 11.48 s on a formula simplification. DAG size of input: 456 DAG size of output: 452 [2019-09-19 22:54:02,736 WARN L191 SmtUtils]: Spent 5.66 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-19 22:54:14,386 WARN L191 SmtUtils]: Spent 11.58 s on a formula simplification. DAG size of input: 461 DAG size of output: 454 [2019-09-19 22:54:20,096 WARN L191 SmtUtils]: Spent 5.71 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-19 22:54:31,670 WARN L191 SmtUtils]: Spent 11.57 s on a formula simplification. DAG size of input: 461 DAG size of output: 454 [2019-09-19 22:54:37,306 WARN L191 SmtUtils]: Spent 5.64 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-19 22:54:46,500 WARN L191 SmtUtils]: Spent 9.15 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-19 22:54:55,791 WARN L191 SmtUtils]: Spent 9.29 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-19 22:55:21,350 WARN L191 SmtUtils]: Spent 25.56 s on a formula simplification. DAG size of input: 473 DAG size of output: 473 [2019-09-19 22:55:22,134 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 22:55:23,072 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 22:55:23,665 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 22:55:23,869 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 22:55:24,431 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 22:55:24,600 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 22:55:24,769 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-09-19 22:55:25,191 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 22:55:25,407 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 22:55:26,018 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 22:55:26,200 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 22:55:26,754 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 22:55:26,963 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 22:55:27,533 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 22:55:27,875 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 22:55:28,499 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 22:55:28,964 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 22:55:29,171 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 22:55:29,768 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 22:55:29,930 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 22:55:30,537 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 22:55:30,848 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-19 22:55:31,002 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-19 22:55:31,186 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 22:55:31,773 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 22:55:32,234 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2019-09-19 22:55:32,385 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-09-19 22:55:32,501 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-09-19 22:55:32,750 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-19 22:55:32,922 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2019-09-19 22:55:33,171 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2019-09-19 22:55:33,408 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2019-09-19 22:55:33,571 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-09-19 22:55:33,924 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-19 22:55:33,939 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-19 22:55:34,334 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 22:55:34,438 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-19 22:55:34,442 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-19 22:55:34,463 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 22:55:34,464 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 22:55:34,466 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1173#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-19 22:55:34,479 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 22:55:34,479 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 22:55:34,486 INFO L168 Benchmark]: Toolchain (without parser) took 141596.03 ms. Allocated memory was 141.0 MB in the beginning and 228.1 MB in the end (delta: 87.0 MB). Free memory was 88.4 MB in the beginning and 124.6 MB in the end (delta: -36.2 MB). Peak memory consumption was 50.8 MB. Max. memory is 7.1 GB. [2019-09-19 22:55:34,487 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory is still 106.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 22:55:34,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.90 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 88.4 MB in the beginning and 167.6 MB in the end (delta: -79.2 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-09-19 22:55:34,491 INFO L168 Benchmark]: Boogie Preprocessor took 92.89 ms. Allocated memory is still 201.3 MB. Free memory was 167.6 MB in the beginning and 164.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-19 22:55:34,496 INFO L168 Benchmark]: RCFGBuilder took 1579.52 ms. Allocated memory was 201.3 MB in the beginning and 228.6 MB in the end (delta: 27.3 MB). Free memory was 164.1 MB in the beginning and 153.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2019-09-19 22:55:34,497 INFO L168 Benchmark]: Sifa took 139244.43 ms. Allocated memory was 228.6 MB in the beginning and 228.1 MB in the end (delta: -524.3 kB). Free memory was 153.0 MB in the beginning and 124.6 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-09-19 22:55:34,503 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory is still 106.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.90 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 88.4 MB in the beginning and 167.6 MB in the end (delta: -79.2 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.89 ms. Allocated memory is still 201.3 MB. Free memory was 167.6 MB in the beginning and 164.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1579.52 ms. Allocated memory was 201.3 MB in the beginning and 228.6 MB in the end (delta: 27.3 MB). Free memory was 164.1 MB in the beginning and 153.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. * Sifa took 139244.43 ms. Allocated memory was 228.6 MB in the beginning and 228.1 MB in the end (delta: -524.3 kB). Free memory was 153.0 MB in the beginning and 124.6 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.8 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]: 139195, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 593, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 421, TOOLS_POST_TIME[ms]: 26692, TOOLS_POST_CALL_APPLICATIONS: 147, TOOLS_POST_CALL_TIME[ms]: 192, TOOLS_POST_RETURN_APPLICATIONS: 138, TOOLS_POST_RETURN_TIME[ms]: 87, TOOLS_QUANTIFIERELIM_APPLICATIONS: 706, TOOLS_QUANTIFIERELIM_TIME[ms]: 26821, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 26566, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 617, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 183, DOMAIN_JOIN_TIME[ms]: 111414, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 215, DOMAIN_ISSUBSETEQ_APPLICATIONS: 24, DOMAIN_ISSUBSETEQ_TIME[ms]: 20, DOMAIN_ISBOTTOM_APPLICATIONS: 127, DOMAIN_ISBOTTOM_TIME[ms]: 401, LOOP_SUMMARIZER_APPLICATIONS: 18, LOOP_SUMMARIZER_CACHE_MISSES: 18, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 104554, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 104553, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 24, CALL_SUMMARIZER_APPLICATIONS: 138, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30718, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30716, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 743, DAG_COMPRESSION_RETAINED_NODES: 325 - UnprovableResult [Line: 759]: 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 1173#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~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...