java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:45:27,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:45:27,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:45:27,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:45:27,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:45:27,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:45:27,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:45:27,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:45:27,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:45:27,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:45:27,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:45:27,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:45:27,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:45:27,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:45:27,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:45:27,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:45:27,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:45:27,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:45:27,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:45:27,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:45:27,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:45:27,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:45:27,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:45:27,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:45:27,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:45:27,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:45:27,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:45:27,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:45:27,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:45:27,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:45:27,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:45:27,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:45:27,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:45:27,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:45:27,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:45:27,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:45:27,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:45:27,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:45:27,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:45:27,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:45:27,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:45:27,935 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 [2019-09-25 15:45:27,964 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:45:27,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:45:27,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:45:27,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:45:27,966 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:45:27,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:45:27,967 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:45:27,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:45:27,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:45:27,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:45:27,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:45:27,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:45:27,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:45:27,969 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:45:27,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:45:27,970 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:45:27,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:45:27,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:45:27,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:45:27,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:45:27,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:45:27,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:45:27,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:45:27,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:45:27,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:45:27,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:45:27,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:45:27,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:45:27,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 15:45:28,009 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:45:28,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:45:28,024 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:45:28,025 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:45:28,026 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:45:28,026 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-09-25 15:45:28,100 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23aa29f36/530a763ecf4a4d6d86e3a25e47c0a2f1/FLAGd96112b27 [2019-09-25 15:45:28,630 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:45:28,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-09-25 15:45:28,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23aa29f36/530a763ecf4a4d6d86e3a25e47c0a2f1/FLAGd96112b27 [2019-09-25 15:45:28,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23aa29f36/530a763ecf4a4d6d86e3a25e47c0a2f1 [2019-09-25 15:45:28,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:45:28,956 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:45:28,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:45:28,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:45:28,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:45:28,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:45:28" (1/1) ... [2019-09-25 15:45:28,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60af92c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:28, skipping insertion in model container [2019-09-25 15:45:28,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:45:28" (1/1) ... [2019-09-25 15:45:28,969 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:45:29,014 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:45:29,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:45:29,530 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:45:29,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:45:29,693 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:45:29,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:29 WrapperNode [2019-09-25 15:45:29,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:45:29,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:45:29,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:45:29,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:45:29,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:29" (1/1) ... [2019-09-25 15:45:29,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:29" (1/1) ... [2019-09-25 15:45:29,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:29" (1/1) ... [2019-09-25 15:45:29,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:29" (1/1) ... [2019-09-25 15:45:29,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:29" (1/1) ... [2019-09-25 15:45:29,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:29" (1/1) ... [2019-09-25 15:45:29,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:29" (1/1) ... [2019-09-25 15:45:29,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:45:29,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:45:29,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:45:29,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:45:29,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:29" (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 [2019-09-25 15:45:29,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:45:29,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:45:29,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 15:45:29,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 15:45:29,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 15:45:29,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 15:45:29,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 15:45:29,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 15:45:29,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 15:45:29,843 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 15:45:29,843 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 15:45:29,843 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 15:45:29,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 15:45:29,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 15:45:29,844 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 15:45:29,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 15:45:29,844 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 15:45:29,844 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 15:45:29,845 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 15:45:29,845 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 15:45:29,845 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 15:45:29,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 15:45:29,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 15:45:29,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 15:45:29,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 15:45:29,846 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 15:45:29,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 15:45:29,846 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 15:45:29,846 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 15:45:29,847 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 15:45:29,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 15:45:29,847 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 15:45:29,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:45:29,847 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 15:45:29,847 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 15:45:29,848 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 15:45:29,848 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 15:45:29,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-25 15:45:29,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:45:29,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:45:29,848 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 15:45:29,849 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 15:45:29,849 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 15:45:29,849 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 15:45:29,849 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 15:45:29,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 15:45:29,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 15:45:29,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 15:45:29,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 15:45:29,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 15:45:29,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 15:45:29,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 15:45:29,850 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 15:45:29,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 15:45:29,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 15:45:29,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 15:45:29,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 15:45:29,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 15:45:29,851 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 15:45:29,851 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 15:45:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 15:45:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 15:45:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 15:45:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 15:45:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 15:45:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 15:45:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 15:45:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 15:45:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 15:45:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 15:45:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 15:45:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-25 15:45:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 15:45:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 15:45:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 15:45:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 15:45:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 15:45:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 15:45:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 15:45:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 15:45:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 15:45:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 15:45:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 15:45:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 15:45:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 15:45:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:45:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 15:45:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:45:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 15:45:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:45:31,491 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:45:31,491 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 15:45:31,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:45:31 BoogieIcfgContainer [2019-09-25 15:45:31,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:45:31,493 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:45:31,494 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:45:31,494 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:45:31,495 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:45:31" (1/1) ... [2019-09-25 15:45:31,496 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 15:45:31,520 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:45:31,520 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:45:31,529 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:45:31,539 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:45:31,541 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:45:40,036 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 15:45:41,815 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 15:45:41,967 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 15:45:42,115 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 15:45:42,237 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 15:45:42,268 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-25 15:45:42,330 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-25 15:45:42,337 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-25 15:45:42,813 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 15:45:43,261 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 15:45:43,810 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 15:45:44,324 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 15:45:44,327 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 69 for LOIs [2019-09-25 15:45:44,402 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 63 for LOIs [2019-09-25 15:45:44,410 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 76 for LOIs [2019-09-25 15:45:44,426 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:45:44,426 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:45:44,429 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 404#(and (= |#t~string50.offset| 0) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= |#t~string27.offset| 0) (= |#t~string54.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string62.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (<= ~waterLevel~0 2147483647) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (= |#t~string36.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0)) [2019-09-25 15:45:44,450 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:45:44,450 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:45:44,456 INFO L168 Benchmark]: Toolchain (without parser) took 15497.77 ms. Allocated memory was 136.8 MB in the beginning and 407.4 MB in the end (delta: 270.5 MB). Free memory was 83.3 MB in the beginning and 112.7 MB in the end (delta: -29.5 MB). Peak memory consumption was 241.1 MB. Max. memory is 7.1 GB. [2019-09-25 15:45:44,457 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 15:45:44,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.01 ms. Allocated memory was 136.8 MB in the beginning and 197.1 MB in the end (delta: 60.3 MB). Free memory was 83.1 MB in the beginning and 161.1 MB in the end (delta: -78.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-25 15:45:44,467 INFO L168 Benchmark]: Boogie Preprocessor took 84.75 ms. Allocated memory is still 197.1 MB. Free memory was 161.1 MB in the beginning and 156.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-25 15:45:44,470 INFO L168 Benchmark]: RCFGBuilder took 1713.58 ms. Allocated memory was 197.1 MB in the beginning and 216.0 MB in the end (delta: 18.9 MB). Free memory was 156.6 MB in the beginning and 140.8 MB in the end (delta: 15.7 MB). Peak memory consumption was 94.3 MB. Max. memory is 7.1 GB. [2019-09-25 15:45:44,472 INFO L168 Benchmark]: Sifa took 12958.30 ms. Allocated memory was 216.0 MB in the beginning and 407.4 MB in the end (delta: 191.4 MB). Free memory was 140.8 MB in the beginning and 112.7 MB in the end (delta: 28.1 MB). Peak memory consumption was 219.5 MB. Max. memory is 7.1 GB. [2019-09-25 15:45:44,487 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 737.01 ms. Allocated memory was 136.8 MB in the beginning and 197.1 MB in the end (delta: 60.3 MB). Free memory was 83.1 MB in the beginning and 161.1 MB in the end (delta: -78.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.75 ms. Allocated memory is still 197.1 MB. Free memory was 161.1 MB in the beginning and 156.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1713.58 ms. Allocated memory was 197.1 MB in the beginning and 216.0 MB in the end (delta: 18.9 MB). Free memory was 156.6 MB in the beginning and 140.8 MB in the end (delta: 15.7 MB). Peak memory consumption was 94.3 MB. Max. memory is 7.1 GB. * Sifa took 12958.30 ms. Allocated memory was 216.0 MB in the beginning and 407.4 MB in the end (delta: 191.4 MB). Free memory was 140.8 MB in the beginning and 112.7 MB in the end (delta: 28.1 MB). Peak memory consumption was 219.5 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]: 12910, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 182, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 122, TOOLS_POST_TIME[ms]: 10414, TOOLS_POST_CALL_APPLICATIONS: 52, TOOLS_POST_CALL_TIME[ms]: 105, TOOLS_POST_RETURN_APPLICATIONS: 45, TOOLS_POST_RETURN_TIME[ms]: 59, TOOLS_QUANTIFIERELIM_APPLICATIONS: 218, TOOLS_QUANTIFIERELIM_TIME[ms]: 10493, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10362, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 184, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 59, DOMAIN_JOIN_TIME[ms]: 1919, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 183, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 14, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 72, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1751, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1751, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 45, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10749, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10748, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 316, DAG_COMPRESSION_RETAINED_NODES: 180 - UnprovableResult [Line: 680]: 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 404#(and (= |#t~string50.offset| 0) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= |#t~string27.offset| 0) (= |#t~string54.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string62.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (<= ~waterLevel~0 2147483647) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (= |#t~string36.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...