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_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:51:45,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:51:45,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:51:45,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:51:45,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:51:45,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:51:45,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:51:45,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:51:45,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:51:45,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:51:45,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:51:45,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:51:45,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:51:45,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:51:45,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:51:45,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:51:45,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:51:45,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:51:45,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:51:45,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:51:45,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:51:45,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:51:45,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:51:45,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:51:45,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:51:45,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:51:45,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:51:45,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:51:45,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:51:45,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:51:45,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:51:45,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:51:45,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:51:45,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:51:45,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:51:45,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:51:45,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:51:45,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:51:45,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:51:45,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:51:45,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:51:45,932 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 15:51:45,947 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:51:45,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:51:45,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:51:45,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:51:45,949 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:51:45,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:51:45,949 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:51:45,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:51:45,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:51:45,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:51:45,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:51:45,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:51:45,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:51:45,950 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:51:45,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:51:45,951 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:51:45,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:51:45,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:51:45,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:51:45,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:51:45,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:51:45,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:51:45,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:51:45,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:51:45,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:51:45,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:51:45,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:51:45,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:51:45,953 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 15:51:45,985 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:51:45,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:51:46,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:51:46,005 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:51:46,005 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:51:46,006 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2019-09-20 15:51:46,070 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f42ba0c/a08dd8fcb40b4663a8d4e23fb7355e22/FLAG7f478b849 [2019-09-20 15:51:46,573 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:51:46,574 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2019-09-20 15:51:46,588 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f42ba0c/a08dd8fcb40b4663a8d4e23fb7355e22/FLAG7f478b849 [2019-09-20 15:51:46,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f42ba0c/a08dd8fcb40b4663a8d4e23fb7355e22 [2019-09-20 15:51:46,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:51:46,959 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:51:46,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:51:46,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:51:46,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:51:46,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:51:46" (1/1) ... [2019-09-20 15:51:46,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb00ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:46, skipping insertion in model container [2019-09-20 15:51:46,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:51:46" (1/1) ... [2019-09-20 15:51:46,981 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:51:47,046 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:51:47,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:51:47,520 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:51:47,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:51:47,657 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:51:47,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:47 WrapperNode [2019-09-20 15:51:47,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:51:47,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:51:47,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:51:47,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:51:47,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:47" (1/1) ... [2019-09-20 15:51:47,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:47" (1/1) ... [2019-09-20 15:51:47,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:47" (1/1) ... [2019-09-20 15:51:47,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:47" (1/1) ... [2019-09-20 15:51:47,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:47" (1/1) ... [2019-09-20 15:51:47,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:47" (1/1) ... [2019-09-20 15:51:47,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:47" (1/1) ... [2019-09-20 15:51:47,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:51:47,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:51:47,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:51:47,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:51:47,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:47" (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 15:51:47,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:51:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:51:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:51:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:51:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:51:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:51:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:51:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:51:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:51:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:51:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:51:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:51:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:51:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:51:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:51:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:51:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:51:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:51:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:51:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:51:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:51:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:51:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:51:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:51:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:51:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:51:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:51:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:51:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:51:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:51:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:51:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:51:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:51:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:51:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:51:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:51:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:51:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:51:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:51:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:51:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:51:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:51:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:51:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:51:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:51:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:51:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:51:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:51:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:51:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:51:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:51:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:51:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:51:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:51:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:51:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:51:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:51:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:51:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:51:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:51:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:51:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:51:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:51:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:51:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:51:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:51:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:51:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:51:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:51:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:51:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:51:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:51:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:51:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:51:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:51:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:51:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:51:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:51:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:51:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:51:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:51:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:51:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:51:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:51:49,376 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:51:49,376 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:51:49,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:51:49 BoogieIcfgContainer [2019-09-20 15:51:49,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:51:49,378 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:51:49,378 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:51:49,379 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:51:49,380 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:51:49" (1/1) ... [2019-09-20 15:51:49,380 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 15:51:49,406 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:51:49,406 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:51:49,419 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:51:49,433 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:51:49,434 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:51:58,989 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:52:00,756 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:52:00,908 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:01,098 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:01,244 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:01,260 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-20 15:52:01,311 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-20 15:52:01,318 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-20 15:52:01,813 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-09-20 15:52:02,133 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-09-20 15:52:02,412 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-09-20 15:52:02,691 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-09-20 15:52:02,887 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-09-20 15:52:03,080 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-09-20 15:52:03,535 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:52:03,870 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:52:04,461 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 513 [2019-09-20 15:52:04,758 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:52:05,054 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 528 [2019-09-20 15:52:05,320 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:52:05,535 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 528 [2019-09-20 15:52:05,728 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:52:06,082 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:52:06,715 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:52:07,009 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:52:07,255 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 513 [2019-09-20 15:52:07,429 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:52:07,628 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 525 [2019-09-20 15:52:07,795 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:52:07,987 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 525 [2019-09-20 15:52:08,169 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:52:08,453 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-20 15:52:08,840 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:52:09,126 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:52:09,374 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 513 [2019-09-20 15:52:09,531 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:52:09,702 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 525 [2019-09-20 15:52:09,868 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:52:10,035 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 525 [2019-09-20 15:52:10,211 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:52:10,512 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-20 15:52:10,709 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-20 15:52:10,862 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-20 15:52:10,875 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 19 for LOIs [2019-09-20 15:52:10,944 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:52:10,960 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-20 15:52:10,971 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-20 15:52:10,976 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:52:10,976 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:52:10,979 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 432#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:52:10,996 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:52:10,996 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:52:10,999 INFO L168 Benchmark]: Toolchain (without parser) took 24039.62 ms. Allocated memory was 141.0 MB in the beginning and 697.8 MB in the end (delta: 556.8 MB). Free memory was 87.0 MB in the beginning and 314.0 MB in the end (delta: -227.1 MB). Peak memory consumption was 329.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:11,007 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory is still 106.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:52:11,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.11 ms. Allocated memory was 141.0 MB in the beginning and 199.2 MB in the end (delta: 58.2 MB). Free memory was 87.0 MB in the beginning and 163.5 MB in the end (delta: -76.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:11,011 INFO L168 Benchmark]: Boogie Preprocessor took 93.50 ms. Allocated memory is still 199.2 MB. Free memory was 163.5 MB in the beginning and 159.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:11,013 INFO L168 Benchmark]: RCFGBuilder took 1625.84 ms. Allocated memory was 199.2 MB in the beginning and 226.0 MB in the end (delta: 26.7 MB). Free memory was 159.1 MB in the beginning and 147.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:11,019 INFO L168 Benchmark]: Sifa took 21618.24 ms. Allocated memory was 226.0 MB in the beginning and 697.8 MB in the end (delta: 471.9 MB). Free memory was 147.8 MB in the beginning and 314.0 MB in the end (delta: -166.3 MB). Peak memory consumption was 305.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:11,025 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory is still 106.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 695.11 ms. Allocated memory was 141.0 MB in the beginning and 199.2 MB in the end (delta: 58.2 MB). Free memory was 87.0 MB in the beginning and 163.5 MB in the end (delta: -76.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.50 ms. Allocated memory is still 199.2 MB. Free memory was 163.5 MB in the beginning and 159.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1625.84 ms. Allocated memory was 199.2 MB in the beginning and 226.0 MB in the end (delta: 26.7 MB). Free memory was 159.1 MB in the beginning and 147.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * Sifa took 21618.24 ms. Allocated memory was 226.0 MB in the beginning and 697.8 MB in the end (delta: 471.9 MB). Free memory was 147.8 MB in the beginning and 314.0 MB in the end (delta: -166.3 MB). Peak memory consumption was 305.6 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]: 21573, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 220, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 141, TOOLS_POST_TIME[ms]: 11512, TOOLS_POST_CALL_APPLICATIONS: 62, TOOLS_POST_CALL_TIME[ms]: 271, TOOLS_POST_RETURN_APPLICATIONS: 53, TOOLS_POST_RETURN_TIME[ms]: 127, TOOLS_QUANTIFIERELIM_APPLICATIONS: 256, TOOLS_QUANTIFIERELIM_TIME[ms]: 11783, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11383, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 229, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 70, DOMAIN_JOIN_TIME[ms]: 8345, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 927, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 44, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 153, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7343, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7342, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 53, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11899, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11898, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 50, DAG_COMPRESSION_PROCESSED_NODES: 361, DAG_COMPRESSION_RETAINED_NODES: 191 - UnprovableResult [Line: 827]: 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 432#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~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...