/usr/bin/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_spec2_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:46:52,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:46:52,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:46:52,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:46:52,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:46:52,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:46:52,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:46:52,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:46:52,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:46:52,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:46:52,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:46:52,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:46:52,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:46:52,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:46:52,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:46:52,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:46:52,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:46:52,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:46:52,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:46:52,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:46:52,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:46:52,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:46:52,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:46:52,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:46:52,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:46:52,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:46:52,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:46:52,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:46:52,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:46:52,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:46:52,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:46:52,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:46:52,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:46:52,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:46:52,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:46:52,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:46:52,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:46:52,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:46:52,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:46:52,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:46:52,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:46:52,915 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 [2019-11-07 10:46:52,930 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:46:52,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:46:52,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:46:52,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:46:52,933 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:46:52,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:46:52,933 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:46:52,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:46:52,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:46:52,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:46:52,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:46:52,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:46:52,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:46:52,936 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:46:52,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:46:52,936 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:46:52,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:46:52,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:46:52,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:46:52,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:46:52,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:46:52,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:46:52,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:46:52,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:46:52,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:46:52,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:46:52,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:46:52,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:46:52,939 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 [2019-11-07 10:46:53,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:46:53,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:46:53,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:46:53,279 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:46:53,280 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:46:53,281 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2019-11-07 10:46:53,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/742d9b158/7761b9938bbb40a9ab11010b6e20c717/FLAG80dd13c6c [2019-11-07 10:46:53,906 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:46:53,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2019-11-07 10:46:53,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/742d9b158/7761b9938bbb40a9ab11010b6e20c717/FLAG80dd13c6c [2019-11-07 10:46:54,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/742d9b158/7761b9938bbb40a9ab11010b6e20c717 [2019-11-07 10:46:54,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:46:54,250 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:46:54,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:46:54,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:46:54,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:46:54,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:46:54" (1/1) ... [2019-11-07 10:46:54,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217be98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:54, skipping insertion in model container [2019-11-07 10:46:54,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:46:54" (1/1) ... [2019-11-07 10:46:54,266 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:46:54,316 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:46:54,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:46:54,793 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:46:54,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:46:54,994 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:46:54,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:54 WrapperNode [2019-11-07 10:46:54,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:46:54,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:46:54,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:46:54,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:46:55,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:54" (1/1) ... [2019-11-07 10:46:55,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:54" (1/1) ... [2019-11-07 10:46:55,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:54" (1/1) ... [2019-11-07 10:46:55,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:54" (1/1) ... [2019-11-07 10:46:55,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:54" (1/1) ... [2019-11-07 10:46:55,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:54" (1/1) ... [2019-11-07 10:46:55,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:54" (1/1) ... [2019-11-07 10:46:55,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:46:55,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:46:55,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:46:55,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:46:55,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:54" (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 [2019-11-07 10:46:55,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:46:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:46:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:46:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:46:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:46:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:46:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:46:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:46:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:46:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:46:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:46:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:46:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-07 10:46:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-07 10:46:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:46:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:46:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:46:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:46:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:46:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:46:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 10:46:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 10:46:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:46:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 10:46:55,149 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 10:46:55,149 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:46:55,149 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:46:55,149 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:46:55,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:46:55,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:46:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:46:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 10:46:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 10:46:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 10:46:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:46:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:46:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:46:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:46:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:46:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:46:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:46:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:46:55,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:46:55,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:46:55,152 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:46:55,152 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:46:55,152 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:46:55,152 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:46:55,152 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:46:55,153 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:46:55,153 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:46:55,153 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:46:55,153 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:46:55,153 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:46:55,153 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:46:55,153 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:46:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-07 10:46:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:46:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:46:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:46:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:46:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:46:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:46:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-07 10:46:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:46:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:46:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:46:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 10:46:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 10:46:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:46:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:46:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:46:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 10:46:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:46:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 10:46:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 10:46:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 10:46:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 10:46:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:46:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:46:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:46:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:46:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:46:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:46:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:46:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:46:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:46:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:46:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:46:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:46:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:46:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:46:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:46:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:46:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:46:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:46:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:46:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:46:56,622 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:46:56,622 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:46:56,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:46:56 BoogieIcfgContainer [2019-11-07 10:46:56,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:46:56,624 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:46:56,624 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:46:56,625 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:46:56,626 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:46:56" (1/1) ... [2019-11-07 10:46:56,627 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 [2019-11-07 10:46:56,660 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:46:56,660 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:46:56,673 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:46:56,686 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:46:56,688 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:47:05,405 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-11-07 10:47:07,331 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:47:07,475 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 10:47:07,504 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-11-07 10:47:07,556 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-11-07 10:47:07,571 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-11-07 10:47:08,085 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-11-07 10:47:08,576 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-11-07 10:47:08,748 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-11-07 10:47:09,057 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-11-07 10:47:09,537 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2019-11-07 10:47:10,151 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2019-11-07 10:47:12,083 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2019-11-07 10:47:12,878 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2019-11-07 10:47:12,997 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2019-11-07 10:47:13,771 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2019-11-07 10:47:14,083 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2019-11-07 10:47:14,451 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2019-11-07 10:47:14,725 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2019-11-07 10:47:15,032 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2019-11-07 10:47:15,687 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-11-07 10:47:15,823 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-11-07 10:47:16,008 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 181 [2019-11-07 10:47:16,303 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 601 [2019-11-07 10:47:16,586 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 613 [2019-11-07 10:47:17,197 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 616 [2019-11-07 10:47:17,414 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 616 [2019-11-07 10:47:18,487 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 622 [2019-11-07 10:47:19,192 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:47:19,196 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 141 for LOIs [2019-11-07 10:47:19,454 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 135 for LOIs [2019-11-07 10:47:19,463 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 148 for LOIs [2019-11-07 10:47:19,464 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:47:19,480 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:47:19,481 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:47:19,483 INFO L168 Benchmark]: Toolchain (without parser) took 25232.64 ms. Allocated memory was 137.9 MB in the beginning and 715.1 MB in the end (delta: 577.2 MB). Free memory was 101.4 MB in the beginning and 600.5 MB in the end (delta: -499.2 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:47:19,484 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 10:47:19,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.94 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 101.2 MB in the beginning and 163.8 MB in the end (delta: -62.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-11-07 10:47:19,486 INFO L168 Benchmark]: Boogie Preprocessor took 90.21 ms. Allocated memory is still 198.2 MB. Free memory was 163.8 MB in the beginning and 159.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:47:19,487 INFO L168 Benchmark]: RCFGBuilder took 1537.65 ms. Allocated memory was 198.2 MB in the beginning and 230.7 MB in the end (delta: 32.5 MB). Free memory was 159.7 MB in the beginning and 139.8 MB in the end (delta: 20.0 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2019-11-07 10:47:19,488 INFO L168 Benchmark]: Sifa took 22856.41 ms. Allocated memory was 230.7 MB in the beginning and 715.1 MB in the end (delta: 484.4 MB). Free memory was 139.8 MB in the beginning and 600.5 MB in the end (delta: -460.8 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:47:19,491 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 744.94 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 101.2 MB in the beginning and 163.8 MB in the end (delta: -62.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.21 ms. Allocated memory is still 198.2 MB. Free memory was 163.8 MB in the beginning and 159.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1537.65 ms. Allocated memory was 198.2 MB in the beginning and 230.7 MB in the end (delta: 32.5 MB). Free memory was 159.7 MB in the beginning and 139.8 MB in the end (delta: 20.0 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * Sifa took 22856.41 ms. Allocated memory was 230.7 MB in the beginning and 715.1 MB in the end (delta: 484.4 MB). Free memory was 139.8 MB in the beginning and 600.5 MB in the end (delta: -460.8 MB). Peak memory consumption was 23.7 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]: 22805, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 64, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 320, TOOLS_POST_TIME[ms]: 10925, TOOLS_POST_CALL_APPLICATIONS: 111, TOOLS_POST_CALL_TIME[ms]: 278, TOOLS_POST_RETURN_APPLICATIONS: 104, TOOLS_POST_RETURN_TIME[ms]: 166, TOOLS_QUANTIFIERELIM_APPLICATIONS: 534, TOOLS_QUANTIFIERELIM_TIME[ms]: 11154, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10690, FLUID_QUERY_TIME[ms]: 25, FLUID_QUERIES: 526, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 64, DOMAIN_JOIN_TIME[ms]: 8782, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 2110, DOMAIN_ISSUBSETEQ_APPLICATIONS: 24, DOMAIN_ISSUBSETEQ_TIME[ms]: 97, DOMAIN_ISBOTTOM_APPLICATIONS: 64, DOMAIN_ISBOTTOM_TIME[ms]: 200, LOOP_SUMMARIZER_APPLICATIONS: 14, LOOP_SUMMARIZER_CACHE_MISSES: 14, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8445, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8441, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 24, CALL_SUMMARIZER_APPLICATIONS: 104, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10867, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10866, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 73, DAG_COMPRESSION_PROCESSED_NODES: 2172, DAG_COMPRESSION_RETAINED_NODES: 259 - UnprovableResult [Line: 976]: 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 1052#(and (not (= 0 ~methAndRunningLastTime~0)) (<= |#t~string58.offset| 0) (= |#t~string61.offset| 0) (<= |#t~string22.offset| 0) (= |#t~string7.offset| 0) (<= 0 |#NULL.base|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (= |#t~string13.offset| 0) (<= |#t~string13.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string18.offset| 0) (<= |#t~string11.offset| 0) (<= 0 |#t~string61.offset|) (= |#t~string26.offset| 0) (= |#t~string20.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string9.offset|) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methAndRunningLastTime~0 1) (<= ~methaneLevelCritical~0 2147483647) (<= |#NULL.base| 0) (= |#t~string18.offset| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= 4 ~cleanupTimeShifts~0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string26.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#t~string70.offset|) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (= |#t~string30.offset| 0) (<= 0 |#t~string11.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string69.offset|) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string9.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string11.offset| 0) (= |#t~string24.offset| 0) (= |#t~string5.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= 0 |#t~string7.offset|) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string13.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...