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 NONE -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:09:53,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:09:53,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:09:53,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:09:53,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:09:53,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:09:53,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:09:53,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:09:53,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:09:53,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:09:53,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:09:53,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:09:53,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:09:53,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:09:53,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:09:53,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:09:53,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:09:53,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:09:53,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:09:53,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:09:53,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:09:53,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:09:53,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:09:53,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:09:53,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:09:53,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:09:53,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:09:53,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:09:53,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:09:53,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:09:53,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:09:53,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:09:53,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:09:53,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:09:53,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:09:53,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:09:53,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:09:53,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:09:53,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:09:53,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:09:53,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:09:53,229 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 15:09:53,244 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:09:53,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:09:53,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:09:53,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:09:53,246 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:09:53,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:09:53,246 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:09:53,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:09:53,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:09:53,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:09:53,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:09:53,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:09:53,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:09:53,248 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:09:53,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:09:53,248 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:09:53,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:09:53,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:09:53,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:09:53,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:09:53,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:09:53,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:09:53,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:09:53,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:09:53,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:09:53,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:09:53,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:09:53,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:09:53,251 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 -> NONE [2019-09-20 15:09:53,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:09:53,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:09:53,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:09:53,299 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:09:53,300 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:09:53,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c [2019-09-20 15:09:53,361 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e83f8f395/a18da9833e3c412db55e317b25ae9c07/FLAG9542be56c [2019-09-20 15:09:53,897 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:09:53,901 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c [2019-09-20 15:09:53,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e83f8f395/a18da9833e3c412db55e317b25ae9c07/FLAG9542be56c [2019-09-20 15:09:54,232 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e83f8f395/a18da9833e3c412db55e317b25ae9c07 [2019-09-20 15:09:54,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:09:54,247 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:09:54,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:09:54,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:09:54,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:09:54,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:54" (1/1) ... [2019-09-20 15:09:54,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56745d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54, skipping insertion in model container [2019-09-20 15:09:54,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:54" (1/1) ... [2019-09-20 15:09:54,264 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:09:54,333 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:09:54,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:09:54,710 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:09:54,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:09:54,930 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:09:54,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54 WrapperNode [2019-09-20 15:09:54,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:09:54,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:09:54,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:09:54,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:09:54,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54" (1/1) ... [2019-09-20 15:09:54,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54" (1/1) ... [2019-09-20 15:09:54,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54" (1/1) ... [2019-09-20 15:09:54,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54" (1/1) ... [2019-09-20 15:09:55,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54" (1/1) ... [2019-09-20 15:09:55,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54" (1/1) ... [2019-09-20 15:09:55,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54" (1/1) ... [2019-09-20 15:09:55,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:09:55,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:09:55,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:09:55,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:09:55,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54" (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 [2019-09-20 15:09:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:09:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:09:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:09:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:09:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:09:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:09:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:09:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:09:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:09:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:09:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:09:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:09:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:09:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:09:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:09:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:09:55,141 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:09:55,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:09:55,141 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:09:55,142 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:09:55,142 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:09:55,142 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:09:55,142 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:09:55,142 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:09:55,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:09:55,143 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:09:55,143 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:09:55,143 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:09:55,143 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 15:09:55,143 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:09:55,143 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:09:55,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:09:55,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:09:55,144 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:09:55,144 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:09:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:09:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:09:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:09:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:09:55,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:09:55,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:09:55,146 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:09:55,146 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:09:55,146 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:09:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:09:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:09:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:09:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:09:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:09:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:09:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:09:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:09:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:09:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:09:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:09:55,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:09:55,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:09:55,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:09:55,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:09:55,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:09:55,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:09:55,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:09:55,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:09:55,151 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:09:55,151 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:09:55,151 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:09:55,151 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:09:55,151 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:09:55,152 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:09:55,152 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:09:55,152 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:09:55,152 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:09:55,152 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:09:55,153 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:09:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:09:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:09:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:09:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:09:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:09:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:09:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:09:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:09:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:09:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:09:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:09:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:09:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:09:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:09:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 15:09:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:09:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:09:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:09:56,809 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:09:56,809 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:09:56,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:56 BoogieIcfgContainer [2019-09-20 15:09:56,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:09:56,811 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:09:56,812 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:09:56,812 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:09:56,813 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:56" (1/1) ... [2019-09-20 15:09:56,814 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:09:56,841 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:09:56,842 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:09:56,853 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:09:56,867 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:09:56,869 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:10:09,983 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:10:10,024 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:10:10,076 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:10:10,092 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:10:13,313 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 15:10:13,342 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:10:13,349 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-20 15:10:13,351 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-20 15:10:13,352 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:10:13,352 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:10:13,354 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1431#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-20 15:10:13,368 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:10:13,369 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:10:13,371 INFO L168 Benchmark]: Toolchain (without parser) took 19123.55 ms. Allocated memory was 137.9 MB in the beginning and 413.1 MB in the end (delta: 275.3 MB). Free memory was 84.3 MB in the beginning and 385.7 MB in the end (delta: -301.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:10:13,373 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:10:13,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.73 ms. Allocated memory was 137.9 MB in the beginning and 211.8 MB in the end (delta: 73.9 MB). Free memory was 84.1 MB in the beginning and 187.5 MB in the end (delta: -103.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:13,376 INFO L168 Benchmark]: Boogie Preprocessor took 114.13 ms. Allocated memory is still 211.8 MB. Free memory was 187.5 MB in the beginning and 182.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:13,381 INFO L168 Benchmark]: RCFGBuilder took 1764.71 ms. Allocated memory was 211.8 MB in the beginning and 273.7 MB in the end (delta: 61.9 MB). Free memory was 182.9 MB in the beginning and 230.7 MB in the end (delta: -47.7 MB). Peak memory consumption was 118.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:13,383 INFO L168 Benchmark]: Sifa took 16557.29 ms. Allocated memory was 273.7 MB in the beginning and 413.1 MB in the end (delta: 139.5 MB). Free memory was 228.8 MB in the beginning and 385.7 MB in the end (delta: -156.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:10:13,393 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.73 ms. Allocated memory was 137.9 MB in the beginning and 211.8 MB in the end (delta: 73.9 MB). Free memory was 84.1 MB in the beginning and 187.5 MB in the end (delta: -103.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.13 ms. Allocated memory is still 211.8 MB. Free memory was 187.5 MB in the beginning and 182.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1764.71 ms. Allocated memory was 211.8 MB in the beginning and 273.7 MB in the end (delta: 61.9 MB). Free memory was 182.9 MB in the beginning and 230.7 MB in the end (delta: -47.7 MB). Peak memory consumption was 118.5 MB. Max. memory is 7.1 GB. * Sifa took 16557.29 ms. Allocated memory was 273.7 MB in the beginning and 413.1 MB in the end (delta: 139.5 MB). Free memory was 228.8 MB in the beginning and 385.7 MB in the end (delta: -156.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 16513, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 738, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 496, TOOLS_POST_TIME[ms]: 13621, TOOLS_POST_CALL_APPLICATIONS: 191, TOOLS_POST_CALL_TIME[ms]: 1076, TOOLS_POST_RETURN_APPLICATIONS: 182, TOOLS_POST_RETURN_TIME[ms]: 616, TOOLS_QUANTIFIERELIM_APPLICATIONS: 869, TOOLS_QUANTIFIERELIM_TIME[ms]: 14945, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13034, FLUID_QUERY_TIME[ms]: 20, FLUID_QUERIES: 772, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 224, DOMAIN_JOIN_TIME[ms]: 85, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 15, DOMAIN_WIDEN_TIME[ms]: 11, DOMAIN_ISSUBSETEQ_APPLICATIONS: 34, DOMAIN_ISSUBSETEQ_TIME[ms]: 190, DOMAIN_ISBOTTOM_APPLICATIONS: 129, DOMAIN_ISBOTTOM_TIME[ms]: 666, LOOP_SUMMARIZER_APPLICATIONS: 19, LOOP_SUMMARIZER_CACHE_MISSES: 19, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2723, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2723, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 34, CALL_SUMMARIZER_APPLICATIONS: 182, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13126, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13124, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 52, DAG_COMPRESSION_PROCESSED_NODES: 671, DAG_COMPRESSION_RETAINED_NODES: 351 - UnprovableResult [Line: 448]: 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 1431#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...