java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:47:40,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:47:40,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:47:40,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:47:40,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:47:40,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:47:40,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:47:40,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:47:40,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:47:40,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:47:40,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:47:40,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:47:40,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:47:40,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:47:40,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:47:40,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:47:40,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:47:40,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:47:40,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:47:40,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:47:40,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:47:40,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:47:40,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:47:40,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:47:40,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:47:40,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:47:40,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:47:40,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:47:40,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:47:40,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:47:40,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:47:40,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:47:40,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:47:40,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:47:40,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:47:40,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:47:40,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:47:40,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:47:40,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:47:40,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:47:40,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:47:40,289 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 15:47:40,318 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:47:40,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:47:40,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:47:40,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:47:40,322 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:47:40,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:47:40,323 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:47:40,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:47:40,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:47:40,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:47:40,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:47:40,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:47:40,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:47:40,326 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:47:40,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:47:40,327 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:47:40,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:47:40,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:47:40,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:47:40,327 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:47:40,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:47:40,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:47:40,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:47:40,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:47:40,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:47:40,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:47:40,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:47:40,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:47:40,330 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:47:40,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:47:40,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:47:40,420 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:47:40,422 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:47:40,422 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:47:40,423 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2019-09-20 15:47:40,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0a53d0c3/c7931376216e4004ac220d923f28501f/FLAGc13207e30 [2019-09-20 15:47:41,063 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:47:41,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2019-09-20 15:47:41,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0a53d0c3/c7931376216e4004ac220d923f28501f/FLAGc13207e30 [2019-09-20 15:47:41,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0a53d0c3/c7931376216e4004ac220d923f28501f [2019-09-20 15:47:41,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:47:41,351 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:47:41,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:47:41,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:47:41,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:47:41,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:47:41" (1/1) ... [2019-09-20 15:47:41,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c52731d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:41, skipping insertion in model container [2019-09-20 15:47:41,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:47:41" (1/1) ... [2019-09-20 15:47:41,366 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:47:41,428 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:47:41,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:47:41,925 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:47:42,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:47:42,072 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:47:42,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42 WrapperNode [2019-09-20 15:47:42,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:47:42,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:47:42,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:47:42,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:47:42,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42" (1/1) ... [2019-09-20 15:47:42,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42" (1/1) ... [2019-09-20 15:47:42,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42" (1/1) ... [2019-09-20 15:47:42,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42" (1/1) ... [2019-09-20 15:47:42,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42" (1/1) ... [2019-09-20 15:47:42,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42" (1/1) ... [2019-09-20 15:47:42,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42" (1/1) ... [2019-09-20 15:47:42,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:47:42,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:47:42,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:47:42,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:47:42,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42" (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 15:47:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:47:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:47:42,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:47:42,227 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:47:42,227 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:47:42,227 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:47:42,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:47:42,228 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:47:42,228 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:47:42,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:47:42,228 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:47:42,228 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:47:42,228 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:47:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:47:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:47:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:47:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:47:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:47:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:47:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:47:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:47:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:47:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:47:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:47:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:47:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:47:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:47:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:47:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:47:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 15:47:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:47:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:47:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:47:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:47:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:47:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:47:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:47:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:47:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:47:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:47:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:47:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:47:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:47:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:47:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:47:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:47:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:47:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:47:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:47:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:47:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:47:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:47:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:47:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:47:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:47:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:47:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:47:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:47:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:47:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:47:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:47:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:47:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:47:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:47:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:47:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:47:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:47:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:47:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:47:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:47:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:47:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:47:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:47:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:47:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:47:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:47:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:47:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:47:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:47:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:47:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:47:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:47:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:47:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:47:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:47:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:47:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 15:47:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:47:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:47:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:47:43,729 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:47:43,730 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:47:43,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:47:43 BoogieIcfgContainer [2019-09-20 15:47:43,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:47:43,732 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:47:43,732 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:47:43,732 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:47:43,734 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:47:43" (1/1) ... [2019-09-20 15:47:43,734 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:47:43,768 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:47:43,769 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:47:43,782 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:47:43,796 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:47:43,797 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:47:54,498 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:47:56,430 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:47:56,549 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:47:56,691 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:47:56,808 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:47:56,827 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:47:56,898 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:47:56,904 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:47:57,082 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:47:57,227 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:47:57,686 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:47:57,958 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:47:58,233 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:47:58,489 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:47:58,729 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:47:58,910 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:47:59,129 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:47:59,289 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:47:59,727 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:48:00,062 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:48:00,828 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:48:01,416 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:48:01,757 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:48:02,042 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:48:02,925 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-20 15:48:03,376 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-20 15:48:03,486 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-20 15:48:03,598 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-20 15:48:03,706 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-20 15:48:04,197 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:48:04,500 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:48:05,140 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:48:05,797 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:48:06,146 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:48:06,423 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:48:07,443 WARN L191 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-20 15:48:07,589 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 30 for LOIs [2019-09-20 15:48:07,629 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:48:07,640 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 27 for LOIs [2019-09-20 15:48:07,644 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2019-09-20 15:48:07,647 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:48:07,648 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:48:07,650 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 454#(and (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-20 15:48:07,662 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:48:07,662 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:48:07,664 INFO L168 Benchmark]: Toolchain (without parser) took 26312.66 ms. Allocated memory was 137.4 MB in the beginning and 827.3 MB in the end (delta: 690.0 MB). Free memory was 84.0 MB in the beginning and 358.6 MB in the end (delta: -274.6 MB). Peak memory consumption was 415.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:07,665 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory is still 102.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:48:07,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.79 ms. Allocated memory was 137.4 MB in the beginning and 197.1 MB in the end (delta: 59.8 MB). Free memory was 83.6 MB in the beginning and 162.2 MB in the end (delta: -78.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:07,666 INFO L168 Benchmark]: Boogie Preprocessor took 97.51 ms. Allocated memory is still 197.1 MB. Free memory was 162.2 MB in the beginning and 158.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:07,667 INFO L168 Benchmark]: RCFGBuilder took 1560.57 ms. Allocated memory was 197.1 MB in the beginning and 217.1 MB in the end (delta: 19.9 MB). Free memory was 158.5 MB in the beginning and 147.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:07,668 INFO L168 Benchmark]: Sifa took 23930.09 ms. Allocated memory was 217.1 MB in the beginning and 827.3 MB in the end (delta: 610.3 MB). Free memory was 145.6 MB in the beginning and 358.6 MB in the end (delta: -213.0 MB). Peak memory consumption was 397.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:07,676 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory is still 102.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.79 ms. Allocated memory was 137.4 MB in the beginning and 197.1 MB in the end (delta: 59.8 MB). Free memory was 83.6 MB in the beginning and 162.2 MB in the end (delta: -78.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.51 ms. Allocated memory is still 197.1 MB. Free memory was 162.2 MB in the beginning and 158.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1560.57 ms. Allocated memory was 197.1 MB in the beginning and 217.1 MB in the end (delta: 19.9 MB). Free memory was 158.5 MB in the beginning and 147.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. * Sifa took 23930.09 ms. Allocated memory was 217.1 MB in the beginning and 827.3 MB in the end (delta: 610.3 MB). Free memory was 145.6 MB in the beginning and 358.6 MB in the end (delta: -213.0 MB). Peak memory consumption was 397.3 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]: 23881, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 221, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 143, TOOLS_POST_TIME[ms]: 12778, TOOLS_POST_CALL_APPLICATIONS: 63, TOOLS_POST_CALL_TIME[ms]: 209, TOOLS_POST_RETURN_APPLICATIONS: 54, TOOLS_POST_RETURN_TIME[ms]: 118, TOOLS_QUANTIFIERELIM_APPLICATIONS: 260, TOOLS_QUANTIFIERELIM_TIME[ms]: 12994, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12666, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 226, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 73, DOMAIN_JOIN_TIME[ms]: 10387, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 38, DOMAIN_ISBOTTOM_TIME[ms]: 193, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 448, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 447, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 54, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13088, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13087, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 391, DAG_COMPRESSION_RETAINED_NODES: 231 - UnprovableResult [Line: 295]: 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 454#(and (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...