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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:53:21,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:53:21,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:53:21,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:53:21,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:53:21,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:53:21,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:53:21,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:53:21,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:53:21,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:53:21,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:53:21,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:53:21,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:53:21,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:53:21,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:53:21,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:53:21,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:53:21,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:53:21,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:53:21,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:53:21,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:53:21,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:53:21,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:53:21,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:53:21,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:53:21,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:53:21,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:53:21,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:53:21,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:53:21,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:53:21,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:53:21,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:53:21,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:53:21,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:53:21,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:53:21,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:53:21,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:53:21,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:53:21,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:53:21,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:53:21,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:53:21,977 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 [2019-10-15 06:53:22,000 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:53:22,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:53:22,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:53:22,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:53:22,003 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:53:22,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:53:22,003 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:53:22,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:53:22,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:53:22,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:53:22,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:53:22,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:53:22,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:53:22,006 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:53:22,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:53:22,006 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:53:22,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:53:22,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:53:22,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:53:22,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:53:22,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:53:22,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:53:22,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:53:22,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:53:22,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:53:22,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:53:22,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:53:22,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:53:22,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 06:53:22,267 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:53:22,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:53:22,285 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:53:22,286 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:53:22,286 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:53:22,287 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2019-10-15 06:53:22,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01c09e8cb/f749cdb3054b4d3facc25f8c795f74c5/FLAG7c54f65f0 [2019-10-15 06:53:22,901 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:53:22,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2019-10-15 06:53:22,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01c09e8cb/f749cdb3054b4d3facc25f8c795f74c5/FLAG7c54f65f0 [2019-10-15 06:53:23,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01c09e8cb/f749cdb3054b4d3facc25f8c795f74c5 [2019-10-15 06:53:23,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:53:23,204 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:53:23,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:53:23,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:53:23,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:53:23,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:53:23" (1/1) ... [2019-10-15 06:53:23,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@437675f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:23, skipping insertion in model container [2019-10-15 06:53:23,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:53:23" (1/1) ... [2019-10-15 06:53:23,218 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:53:23,260 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:53:23,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:53:23,687 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:53:23,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:53:23,834 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:53:23,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:23 WrapperNode [2019-10-15 06:53:23,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:53:23,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:53:23,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:53:23,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:53:23,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:23" (1/1) ... [2019-10-15 06:53:23,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:23" (1/1) ... [2019-10-15 06:53:23,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:23" (1/1) ... [2019-10-15 06:53:23,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:23" (1/1) ... [2019-10-15 06:53:23,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:23" (1/1) ... [2019-10-15 06:53:23,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:23" (1/1) ... [2019-10-15 06:53:23,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:23" (1/1) ... [2019-10-15 06:53:23,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:53:23,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:53:23,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:53:23,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:53:23,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:23" (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 [2019-10-15 06:53:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:53:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:53:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 06:53:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 06:53:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 06:53:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 06:53:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 06:53:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 06:53:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 06:53:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 06:53:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 06:53:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 06:53:24,004 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 06:53:24,004 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 06:53:24,004 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 06:53:24,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 06:53:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 06:53:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 06:53:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 06:53:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 06:53:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 06:53:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 06:53:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 06:53:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 06:53:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 06:53:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 06:53:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 06:53:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 06:53:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 06:53:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 06:53:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-15 06:53:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 06:53:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 06:53:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 06:53:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 06:53:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 06:53:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 06:53:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 06:53:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 06:53:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:53:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:53:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:53:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 06:53:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 06:53:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 06:53:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 06:53:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 06:53:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 06:53:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 06:53:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 06:53:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:53:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 06:53:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 06:53:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:53:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 06:53:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 06:53:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:53:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 06:53:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 06:53:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:53:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 06:53:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 06:53:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 06:53:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 06:53:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 06:53:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 06:53:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 06:53:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 06:53:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 06:53:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 06:53:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 06:53:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 06:53:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 06:53:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 06:53:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 06:53:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 06:53:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 06:53:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-15 06:53:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 06:53:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 06:53:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 06:53:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 06:53:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 06:53:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 06:53:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 06:53:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 06:53:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 06:53:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 06:53:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 06:53:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 06:53:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:53:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:53:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 06:53:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:53:25,545 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:53:25,545 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 06:53:25,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:53:25 BoogieIcfgContainer [2019-10-15 06:53:25,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:53:25,549 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:53:25,549 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:53:25,549 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:53:25,550 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:53:25" (1/1) ... [2019-10-15 06:53:25,551 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ 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 [2019-10-15 06:53:25,594 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:53:25,595 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:53:25,609 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:53:25,621 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:53:25,622 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:53:35,260 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-15 06:53:36,863 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-15 06:53:36,981 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:53:37,110 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:53:37,239 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:53:37,495 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-15 06:53:37,514 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-15 06:53:37,566 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-15 06:53:37,572 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-15 06:53:38,162 WARN L191 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-15 06:53:38,789 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-15 06:53:39,272 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 06:53:39,460 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 188 [2019-10-15 06:53:40,226 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-15 06:53:40,423 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-15 06:53:40,610 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 594 [2019-10-15 06:53:41,000 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-15 06:53:41,435 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-15 06:53:42,498 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-15 06:53:42,663 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 595 [2019-10-15 06:53:43,025 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-15 06:53:43,401 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-15 06:53:44,143 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-15 06:53:44,146 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 136 for LOIs [2019-10-15 06:53:44,385 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 130 for LOIs [2019-10-15 06:53:44,394 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 143 for LOIs [2019-10-15 06:53:44,458 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:53:44,470 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:53:44,470 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:53:44,471 INFO L168 Benchmark]: Toolchain (without parser) took 21267.28 ms. Allocated memory was 140.0 MB in the beginning and 597.7 MB in the end (delta: 457.7 MB). Free memory was 100.0 MB in the beginning and 250.0 MB in the end (delta: -150.0 MB). Peak memory consumption was 307.7 MB. Max. memory is 7.1 GB. [2019-10-15 06:53:44,472 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-15 06:53:44,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.00 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 99.8 MB in the beginning and 167.6 MB in the end (delta: -67.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-10-15 06:53:44,474 INFO L168 Benchmark]: Boogie Preprocessor took 82.99 ms. Allocated memory is still 201.9 MB. Free memory was 167.6 MB in the beginning and 163.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-15 06:53:44,475 INFO L168 Benchmark]: RCFGBuilder took 1629.78 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 163.0 MB in the beginning and 148.0 MB in the end (delta: 15.0 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2019-10-15 06:53:44,477 INFO L168 Benchmark]: Sifa took 18921.30 ms. Allocated memory was 234.4 MB in the beginning and 597.7 MB in the end (delta: 363.3 MB). Free memory was 148.0 MB in the beginning and 250.0 MB in the end (delta: -102.0 MB). Peak memory consumption was 261.3 MB. Max. memory is 7.1 GB. [2019-10-15 06:53:44,481 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 630.00 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 99.8 MB in the beginning and 167.6 MB in the end (delta: -67.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.99 ms. Allocated memory is still 201.9 MB. Free memory was 167.6 MB in the beginning and 163.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1629.78 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 163.0 MB in the beginning and 148.0 MB in the end (delta: 15.0 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * Sifa took 18921.30 ms. Allocated memory was 234.4 MB in the beginning and 597.7 MB in the end (delta: 363.3 MB). Free memory was 148.0 MB in the beginning and 250.0 MB in the end (delta: -102.0 MB). Peak memory consumption was 261.3 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]: 18864, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 186, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 123, TOOLS_POST_TIME[ms]: 11338, TOOLS_POST_CALL_APPLICATIONS: 55, TOOLS_POST_CALL_TIME[ms]: 154, TOOLS_POST_RETURN_APPLICATIONS: 48, TOOLS_POST_RETURN_TIME[ms]: 72, TOOLS_QUANTIFIERELIM_APPLICATIONS: 225, TOOLS_QUANTIFIERELIM_TIME[ms]: 11468, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11267, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 188, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 60, DOMAIN_JOIN_TIME[ms]: 6381, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 572, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 171, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4771, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4771, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 48, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11955, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11954, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 338, DAG_COMPRESSION_RETAINED_NODES: 188 - UnprovableResult [Line: 44]: 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 580#(and (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string53.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (= |#t~string20.offset| 0) (= |#t~string29.offset| 0) (<= 0 |#t~string53.offset|) (= |#t~string42.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= |#t~string18.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (<= |#t~string38.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (= |#t~string30.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (= |#t~string36.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (= |#t~string44.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= 0 ~systemActive~0) (<= ~methaneLevelCritical~0 1) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string29.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...