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_spec2_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:32:35,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:32:35,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:32:35,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:32:35,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:32:35,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:32:35,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:32:35,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:32:35,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:32:35,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:32:35,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:32:35,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:32:35,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:32:35,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:32:35,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:32:35,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:32:35,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:32:35,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:32:35,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:32:35,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:32:35,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:32:35,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:32:35,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:32:35,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:32:35,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:32:35,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:32:35,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:32:35,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:32:35,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:32:35,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:32:35,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:32:35,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:32:35,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:32:35,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:32:35,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:32:35,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:32:35,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:32:35,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:32:35,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:32:35,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:32:35,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:32:35,294 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 [2019-09-21 08:32:35,326 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:32:35,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:32:35,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:32:35,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:32:35,332 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:32:35,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:32:35,332 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:32:35,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:32:35,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:32:35,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:32:35,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:32:35,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:32:35,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:32:35,334 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:32:35,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:32:35,335 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:32:35,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:32:35,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:32:35,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:32:35,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:32:35,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:32:35,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:32:35,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:32:35,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:32:35,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:32:35,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:32:35,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:32:35,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:32:35,338 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 [2019-09-21 08:32:35,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:32:35,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:32:35,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:32:35,412 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:32:35,413 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:32:35,413 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2019-09-21 08:32:35,475 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f6e039d9/ab6cdbce3a7d495b9eb74c976e27d9c1/FLAG0b28bf7d2 [2019-09-21 08:32:35,969 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:32:35,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2019-09-21 08:32:35,987 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f6e039d9/ab6cdbce3a7d495b9eb74c976e27d9c1/FLAG0b28bf7d2 [2019-09-21 08:32:36,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f6e039d9/ab6cdbce3a7d495b9eb74c976e27d9c1 [2019-09-21 08:32:36,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:32:36,339 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:32:36,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:32:36,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:32:36,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:32:36,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:32:36" (1/1) ... [2019-09-21 08:32:36,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425f21cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:36, skipping insertion in model container [2019-09-21 08:32:36,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:32:36" (1/1) ... [2019-09-21 08:32:36,356 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:32:36,402 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:32:36,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:32:36,793 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:32:36,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:32:36,972 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:32:36,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:36 WrapperNode [2019-09-21 08:32:36,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:32:36,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:32:36,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:32:36,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:32:36,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:36" (1/1) ... [2019-09-21 08:32:36,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:36" (1/1) ... [2019-09-21 08:32:37,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:36" (1/1) ... [2019-09-21 08:32:37,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:36" (1/1) ... [2019-09-21 08:32:37,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:36" (1/1) ... [2019-09-21 08:32:37,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:36" (1/1) ... [2019-09-21 08:32:37,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:36" (1/1) ... [2019-09-21 08:32:37,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:32:37,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:32:37,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:32:37,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:32:37,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:36" (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 [2019-09-21 08:32:37,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:32:37,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:32:37,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:32:37,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:32:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:32:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:32:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:32:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:32:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:32:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:32:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:32:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:32:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:32:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:32:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:32:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:32:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-21 08:32:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:32:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:32:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:32:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:32:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:32:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:32:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:32:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 08:32:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:32:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:32:37,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-21 08:32:37,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-21 08:32:37,148 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:32:37,148 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:32:37,148 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:32:37,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:32:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:32:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:32:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:32:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:32:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:32:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:32:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:32:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:32:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:32:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:32:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:32:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:32:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:32:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:32:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:32:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:32:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:32:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:32:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:32:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:32:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:32:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:32:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:32:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:32:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:32:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:32:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:32:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:32:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:32:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:32:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:32:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:32:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:32:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:32:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-21 08:32:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:32:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:32:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:32:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:32:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:32:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:32:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:32:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:32:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:32:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:32:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:32:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:32:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:32:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 08:32:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-21 08:32:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:32:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:32:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:32:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-21 08:32:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:32:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:32:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:32:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:32:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:32:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:32:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:32:38,876 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:32:38,877 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:32:38,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:32:38 BoogieIcfgContainer [2019-09-21 08:32:38,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:32:38,879 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:32:38,880 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:32:38,880 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:32:38,881 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:32:38" (1/1) ... [2019-09-21 08:32:38,882 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 [2019-09-21 08:32:38,917 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:32:38,922 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:32:38,934 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:32:38,944 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:32:38,946 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:32:49,358 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 08:32:51,155 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:32:51,315 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:32:51,503 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:32:51,638 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:32:51,664 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-21 08:32:51,725 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-21 08:32:51,743 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-21 08:32:52,241 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:32:52,566 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:32:53,164 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:32:53,523 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:32:54,255 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-21 08:32:54,845 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-21 08:32:55,655 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 538 [2019-09-21 08:32:56,057 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-21 08:32:56,576 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2019-09-21 08:32:56,940 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2019-09-21 08:32:57,492 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-21 08:32:57,907 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-21 08:32:58,705 WARN L191 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-09-21 08:32:59,381 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-09-21 08:33:01,047 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 610 DAG size of output: 600 [2019-09-21 08:33:02,335 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 600 [2019-09-21 08:33:03,270 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 561 [2019-09-21 08:33:03,849 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-09-21 08:33:04,780 WARN L191 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 580 [2019-09-21 08:33:04,862 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-21 08:33:04,895 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-21 08:33:04,905 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 24 for LOIs [2019-09-21 08:33:04,909 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 35 for LOIs [2019-09-21 08:33:04,912 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:33:04,913 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:33:04,915 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 385#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-21 08:33:04,927 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:33:04,927 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:33:04,929 INFO L168 Benchmark]: Toolchain (without parser) took 28590.11 ms. Allocated memory was 129.5 MB in the beginning and 985.7 MB in the end (delta: 856.2 MB). Free memory was 83.7 MB in the beginning and 579.9 MB in the end (delta: -496.2 MB). Peak memory consumption was 360.0 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:04,930 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 129.5 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:33:04,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.96 ms. Allocated memory was 129.5 MB in the beginning and 197.1 MB in the end (delta: 67.6 MB). Free memory was 83.5 MB in the beginning and 158.7 MB in the end (delta: -75.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:04,932 INFO L168 Benchmark]: Boogie Preprocessor took 100.14 ms. Allocated memory is still 197.1 MB. Free memory was 158.7 MB in the beginning and 154.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:04,933 INFO L168 Benchmark]: RCFGBuilder took 1804.97 ms. Allocated memory was 197.1 MB in the beginning and 213.9 MB in the end (delta: 16.8 MB). Free memory was 154.7 MB in the beginning and 135.6 MB in the end (delta: 19.1 MB). Peak memory consumption was 94.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:04,934 INFO L168 Benchmark]: Sifa took 26048.32 ms. Allocated memory was 213.9 MB in the beginning and 985.7 MB in the end (delta: 771.8 MB). Free memory was 135.6 MB in the beginning and 579.9 MB in the end (delta: -444.3 MB). Peak memory consumption was 327.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:04,939 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 129.5 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 632.96 ms. Allocated memory was 129.5 MB in the beginning and 197.1 MB in the end (delta: 67.6 MB). Free memory was 83.5 MB in the beginning and 158.7 MB in the end (delta: -75.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.14 ms. Allocated memory is still 197.1 MB. Free memory was 158.7 MB in the beginning and 154.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1804.97 ms. Allocated memory was 197.1 MB in the beginning and 213.9 MB in the end (delta: 16.8 MB). Free memory was 154.7 MB in the beginning and 135.6 MB in the end (delta: 19.1 MB). Peak memory consumption was 94.5 MB. Max. memory is 7.1 GB. * Sifa took 26048.32 ms. Allocated memory was 213.9 MB in the beginning and 985.7 MB in the end (delta: 771.8 MB). Free memory was 135.6 MB in the beginning and 579.9 MB in the end (delta: -444.3 MB). Peak memory consumption was 327.4 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]: 25998, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 202, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 131, TOOLS_POST_TIME[ms]: 12414, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 358, TOOLS_POST_RETURN_APPLICATIONS: 52, TOOLS_POST_RETURN_TIME[ms]: 218, TOOLS_QUANTIFIERELIM_APPLICATIONS: 244, TOOLS_QUANTIFIERELIM_TIME[ms]: 12871, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12289, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 208, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 61, DOMAIN_JOIN_TIME[ms]: 10876, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1786, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 39, DOMAIN_ISBOTTOM_APPLICATIONS: 30, DOMAIN_ISBOTTOM_TIME[ms]: 145, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 13087, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13087, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 52, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12807, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12806, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 334, DAG_COMPRESSION_RETAINED_NODES: 191 - UnprovableResult [Line: 778]: 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 385#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (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...