java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:53:06,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:53:06,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:53:06,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:53:06,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:53:06,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:53:06,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:53:06,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:53:06,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:53:06,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:53:06,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:53:06,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:53:06,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:53:06,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:53:06,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:53:06,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:53:06,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:53:06,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:53:06,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:53:06,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:53:06,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:53:06,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:53:06,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:53:06,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:53:06,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:53:06,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:53:06,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:53:06,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:53:06,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:53:06,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:53:06,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:53:06,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:53:06,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:53:06,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:53:06,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:53:06,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:53:06,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:53:06,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:53:06,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:53:06,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:53:06,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:53:06,922 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 [2019-09-20 15:53:06,938 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:53:06,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:53:06,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:53:06,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:53:06,943 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:53:06,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:53:06,943 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:53:06,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:53:06,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:53:06,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:53:06,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:53:06,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:53:06,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:53:06,946 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:53:06,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:53:06,947 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:53:06,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:53:06,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:53:06,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:53:06,948 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:53:06,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:53:06,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:53:06,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:53:06,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:53:06,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:53:06,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:53:06,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:53:06,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:53:06,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:53:06,986 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:53:06,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:53:07,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:53:07,003 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:53:07,003 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:53:07,004 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product57.cil.c [2019-09-20 15:53:07,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ea313b2f/615b6c08c8824bf0a1b1c6c4e4b93d1c/FLAGf9fa9eb85 [2019-09-20 15:53:07,612 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:53:07,613 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product57.cil.c [2019-09-20 15:53:07,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ea313b2f/615b6c08c8824bf0a1b1c6c4e4b93d1c/FLAGf9fa9eb85 [2019-09-20 15:53:07,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ea313b2f/615b6c08c8824bf0a1b1c6c4e4b93d1c [2019-09-20 15:53:07,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:53:07,920 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:53:07,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:53:07,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:53:07,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:53:07,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:53:07" (1/1) ... [2019-09-20 15:53:07,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6da0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:07, skipping insertion in model container [2019-09-20 15:53:07,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:53:07" (1/1) ... [2019-09-20 15:53:07,935 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:53:07,999 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:53:08,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:53:08,518 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:53:08,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:53:08,664 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:53:08,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:08 WrapperNode [2019-09-20 15:53:08,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:53:08,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:53:08,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:53:08,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:53:08,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:08" (1/1) ... [2019-09-20 15:53:08,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:08" (1/1) ... [2019-09-20 15:53:08,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:08" (1/1) ... [2019-09-20 15:53:08,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:08" (1/1) ... [2019-09-20 15:53:08,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:08" (1/1) ... [2019-09-20 15:53:08,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:08" (1/1) ... [2019-09-20 15:53:08,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:08" (1/1) ... [2019-09-20 15:53:08,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:53:08,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:53:08,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:53:08,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:53:08,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:08" (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 [2019-09-20 15:53:08,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:53:08,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:53:08,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:53:08,859 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:53:08,859 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:53:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:53:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:53:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:53:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:53:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:53:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:53:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:53:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:53:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:53:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 15:53:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:53:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:53:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:53:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:53:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:53:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:53:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:53:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:53:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 15:53:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:53:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:53:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:53:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:53:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:53:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:53:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:53:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:53:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:53:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:53:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:53:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:53:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:53:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:53:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:53:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:53:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:53:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:53:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:53:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:53:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:53:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:53:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:53:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:53:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:53:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:53:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:53:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:53:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 15:53:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:53:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:53:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:53:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:53:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:53:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:53:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:53:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:53:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 15:53:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:53:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:53:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:53:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:53:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:53:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:53:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:53:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:53:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:53:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:53:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:53:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:53:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:53:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:53:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:53:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:53:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:53:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:53:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:53:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:53:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:53:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:53:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:53:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:53:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:53:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:53:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:53:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:53:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:53:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:53:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:53:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:53:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:53:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:53:10,343 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:53:10,344 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:53:10,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:53:10 BoogieIcfgContainer [2019-09-20 15:53:10,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:53:10,346 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:53:10,346 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:53:10,346 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:53:10,348 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:53:10" (1/1) ... [2019-09-20 15:53:10,348 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:53:10,388 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:53:10,388 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:53:10,401 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:53:10,414 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:53:10,416 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:53:20,111 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:53:21,831 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:53:21,956 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:53:22,131 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:53:22,249 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:53:22,277 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-20 15:53:22,337 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-20 15:53:22,343 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-20 15:53:22,501 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2019-09-20 15:53:22,683 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2019-09-20 15:53:23,246 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 514 [2019-09-20 15:53:23,562 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:53:23,824 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 514 [2019-09-20 15:53:24,071 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:53:24,393 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 516 [2019-09-20 15:53:24,669 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 516 [2019-09-20 15:53:25,429 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:53:25,557 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:53:25,680 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:53:25,807 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:53:26,097 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-09-20 15:53:26,344 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-09-20 15:53:26,636 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-09-20 15:53:26,850 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-09-20 15:53:27,026 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 513 [2019-09-20 15:53:27,424 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-20 15:53:27,905 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-20 15:53:28,101 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-20 15:53:28,319 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 558 [2019-09-20 15:53:28,503 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 558 [2019-09-20 15:53:28,519 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 15:53:28,521 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 494 for LOIs [2019-09-20 15:53:28,762 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-20 15:53:28,766 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-20 15:53:28,768 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:53:28,768 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:53:28,770 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 431#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:53:28,787 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:53:28,787 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:53:28,789 INFO L168 Benchmark]: Toolchain (without parser) took 20868.53 ms. Allocated memory was 131.1 MB in the beginning and 664.8 MB in the end (delta: 533.7 MB). Free memory was 85.9 MB in the beginning and 476.4 MB in the end (delta: -390.5 MB). Peak memory consumption was 143.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:28,790 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:53:28,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.73 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 85.7 MB in the beginning and 163.0 MB in the end (delta: -77.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:28,791 INFO L168 Benchmark]: Boogie Preprocessor took 120.68 ms. Allocated memory is still 199.2 MB. Free memory was 163.0 MB in the beginning and 158.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:28,792 INFO L168 Benchmark]: RCFGBuilder took 1551.45 ms. Allocated memory was 199.2 MB in the beginning and 219.7 MB in the end (delta: 20.4 MB). Free memory was 158.4 MB in the beginning and 136.7 MB in the end (delta: 21.7 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:28,793 INFO L168 Benchmark]: Sifa took 18441.44 ms. Allocated memory was 219.7 MB in the beginning and 664.8 MB in the end (delta: 445.1 MB). Free memory was 136.7 MB in the beginning and 476.4 MB in the end (delta: -339.7 MB). Peak memory consumption was 105.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:28,797 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 743.73 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 85.7 MB in the beginning and 163.0 MB in the end (delta: -77.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.68 ms. Allocated memory is still 199.2 MB. Free memory was 163.0 MB in the beginning and 158.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1551.45 ms. Allocated memory was 199.2 MB in the beginning and 219.7 MB in the end (delta: 20.4 MB). Free memory was 158.4 MB in the beginning and 136.7 MB in the end (delta: 21.7 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. * Sifa took 18441.44 ms. Allocated memory was 219.7 MB in the beginning and 664.8 MB in the end (delta: 445.1 MB). Free memory was 136.7 MB in the beginning and 476.4 MB in the end (delta: -339.7 MB). Peak memory consumption was 105.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 18382, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 217, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 145, TOOLS_POST_TIME[ms]: 11581, TOOLS_POST_CALL_APPLICATIONS: 64, TOOLS_POST_CALL_TIME[ms]: 209, TOOLS_POST_RETURN_APPLICATIONS: 57, TOOLS_POST_RETURN_TIME[ms]: 100, TOOLS_QUANTIFIERELIM_APPLICATIONS: 265, TOOLS_QUANTIFIERELIM_TIME[ms]: 11774, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11442, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 219, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 71, DOMAIN_JOIN_TIME[ms]: 6100, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 23, DOMAIN_ISBOTTOM_APPLICATIONS: 40, DOMAIN_ISBOTTOM_TIME[ms]: 186, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3123, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3122, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 57, CALL_SUMMARIZER_CACHE_MISSES: 30, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11944, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11943, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 447, DAG_COMPRESSION_RETAINED_NODES: 209 - UnprovableResult [Line: 969]: 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 431#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...