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_spec4_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:51:55,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:51:55,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:51:55,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:51:55,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:51:55,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:51:55,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:51:55,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:51:55,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:51:55,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:51:55,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:51:55,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:51:55,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:51:55,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:51:55,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:51:55,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:51:55,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:51:55,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:51:55,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:51:55,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:51:55,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:51:55,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:51:55,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:51:55,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:51:55,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:51:55,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:51:55,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:51:55,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:51:55,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:51:55,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:51:55,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:51:55,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:51:55,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:51:55,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:51:55,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:51:55,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:51:55,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:51:55,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:51:55,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:51:55,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:51:55,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:51:55,469 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 15:51:55,506 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:51:55,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:51:55,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:51:55,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:51:55,508 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:51:55,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:51:55,508 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:51:55,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:51:55,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:51:55,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:51:55,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:51:55,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:51:55,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:51:55,510 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:51:55,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:51:55,510 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:51:55,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:51:55,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:51:55,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:51:55,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:51:55,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:51:55,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:51:55,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:51:55,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:51:55,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:51:55,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:51:55,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:51:55,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:51:55,515 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 15:51:55,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:51:55,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:51:55,592 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:51:55,594 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:51:55,595 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:51:55,595 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2019-09-20 15:51:55,660 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fed3ef161/de435ca9e32746e3ada6bd48c95fb413/FLAGdf64b4925 [2019-09-20 15:51:56,174 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:51:56,175 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2019-09-20 15:51:56,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fed3ef161/de435ca9e32746e3ada6bd48c95fb413/FLAGdf64b4925 [2019-09-20 15:51:56,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fed3ef161/de435ca9e32746e3ada6bd48c95fb413 [2019-09-20 15:51:56,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:51:56,525 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:51:56,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:51:56,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:51:56,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:51:56,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:51:56" (1/1) ... [2019-09-20 15:51:56,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@741914c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:56, skipping insertion in model container [2019-09-20 15:51:56,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:51:56" (1/1) ... [2019-09-20 15:51:56,546 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:51:56,612 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:51:57,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:51:57,021 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:51:57,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:51:57,169 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:51:57,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:57 WrapperNode [2019-09-20 15:51:57,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:51:57,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:51:57,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:51:57,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:51:57,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:57" (1/1) ... [2019-09-20 15:51:57,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:57" (1/1) ... [2019-09-20 15:51:57,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:57" (1/1) ... [2019-09-20 15:51:57,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:57" (1/1) ... [2019-09-20 15:51:57,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:57" (1/1) ... [2019-09-20 15:51:57,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:57" (1/1) ... [2019-09-20 15:51:57,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:57" (1/1) ... [2019-09-20 15:51:57,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:51:57,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:51:57,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:51:57,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:51:57,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:57" (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 15:51:57,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:51:57,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:51:57,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:51:57,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:51:57,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:51:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:51:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:51:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:51:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:51:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:51:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:51:57,334 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:51:57,334 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:51:57,334 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:51:57,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:51:57,334 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:51:57,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:51:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:51:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:51:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:51:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 15:51:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:51:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:51:57,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:51:57,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:51:57,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:51:57,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:51:57,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:51:57,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:51:57,337 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:51:57,337 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:51:57,337 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:51:57,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:51:57,337 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:51:57,337 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:51:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:51:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:51:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:51:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:51:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:51:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:51:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:51:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:51:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:51:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:51:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:51:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:51:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:51:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:51:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:51:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:51:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:51:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:51:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:51:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:51:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:51:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:51:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:51:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:51:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:51:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:51:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:51:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:51:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:51:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:51:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:51:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:51:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:51:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:51:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:51:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:51:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 15:51:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:51:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:51:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:51:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:51:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:51:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:51:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:51:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:51:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:51:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:51:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:51:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:51:59,004 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:51:59,004 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:51:59,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:51:59 BoogieIcfgContainer [2019-09-20 15:51:59,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:51:59,007 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:51:59,008 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:51:59,008 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:51:59,010 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:51:59" (1/1) ... [2019-09-20 15:51:59,010 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 15:51:59,055 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:51:59,055 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:51:59,067 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:51:59,080 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:51:59,082 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:52:09,620 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:52:11,464 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:52:11,631 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:11,795 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:11,920 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:11,948 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 476 for LOIs [2019-09-20 15:52:12,007 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 476 for LOIs [2019-09-20 15:52:12,012 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 476 for LOIs [2019-09-20 15:52:12,533 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 492 [2019-09-20 15:52:12,808 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 492 [2019-09-20 15:52:13,090 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 492 [2019-09-20 15:52:13,302 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 492 [2019-09-20 15:52:13,549 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 492 [2019-09-20 15:52:13,746 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 492 [2019-09-20 15:52:14,223 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-20 15:52:14,566 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-20 15:52:15,061 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 513 [2019-09-20 15:52:15,341 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:52:15,732 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 519 [2019-09-20 15:52:15,953 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-20 15:52:16,201 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 519 [2019-09-20 15:52:16,405 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-20 15:52:16,781 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-20 15:52:17,277 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-20 15:52:17,601 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-20 15:52:17,946 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 513 [2019-09-20 15:52:18,104 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:52:18,416 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 519 [2019-09-20 15:52:18,582 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-20 15:52:18,760 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 519 [2019-09-20 15:52:18,928 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-20 15:52:19,243 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-20 15:52:19,602 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-20 15:52:19,883 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-20 15:52:20,146 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 513 [2019-09-20 15:52:20,304 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:52:20,576 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 519 [2019-09-20 15:52:20,768 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-20 15:52:20,955 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 519 [2019-09-20 15:52:21,120 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-20 15:52:21,401 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-20 15:52:21,615 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 17 for LOIs [2019-09-20 15:52:21,670 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 3 for LOIs [2019-09-20 15:52:21,680 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 12 for LOIs [2019-09-20 15:52:21,693 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-20 15:52:21,696 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:52:21,696 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:52:21,700 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 366#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0))) [2019-09-20 15:52:21,718 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:52:21,718 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:52:21,723 INFO L168 Benchmark]: Toolchain (without parser) took 25194.99 ms. Allocated memory was 138.4 MB in the beginning and 828.9 MB in the end (delta: 690.5 MB). Free memory was 85.0 MB in the beginning and 725.3 MB in the end (delta: -640.3 MB). Peak memory consumption was 50.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:21,730 INFO L168 Benchmark]: CDTParser took 1.05 ms. Allocated memory is still 138.4 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:52:21,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.23 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 84.8 MB in the beginning and 165.2 MB in the end (delta: -80.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:21,732 INFO L168 Benchmark]: Boogie Preprocessor took 92.53 ms. Allocated memory is still 198.2 MB. Free memory was 165.2 MB in the beginning and 160.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:21,733 INFO L168 Benchmark]: RCFGBuilder took 1743.47 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 160.9 MB in the beginning and 148.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 94.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:21,734 INFO L168 Benchmark]: Sifa took 22710.93 ms. Allocated memory was 220.2 MB in the beginning and 828.9 MB in the end (delta: 608.7 MB). Free memory was 148.6 MB in the beginning and 725.3 MB in the end (delta: -576.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:21,737 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05 ms. Allocated memory is still 138.4 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 640.23 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 84.8 MB in the beginning and 165.2 MB in the end (delta: -80.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.53 ms. Allocated memory is still 198.2 MB. Free memory was 165.2 MB in the beginning and 160.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1743.47 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 160.9 MB in the beginning and 148.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 94.3 MB. Max. memory is 7.1 GB. * Sifa took 22710.93 ms. Allocated memory was 220.2 MB in the beginning and 828.9 MB in the end (delta: 608.7 MB). Free memory was 148.6 MB in the beginning and 725.3 MB in the end (delta: -576.7 MB). Peak memory consumption was 32.0 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]: 22646, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 190, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 123, TOOLS_POST_TIME[ms]: 12579, TOOLS_POST_CALL_APPLICATIONS: 51, TOOLS_POST_CALL_TIME[ms]: 245, TOOLS_POST_RETURN_APPLICATIONS: 42, TOOLS_POST_RETURN_TIME[ms]: 124, TOOLS_QUANTIFIERELIM_APPLICATIONS: 216, TOOLS_QUANTIFIERELIM_TIME[ms]: 12823, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12460, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 199, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 60, DOMAIN_JOIN_TIME[ms]: 8345, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 960, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 73, DOMAIN_ISBOTTOM_APPLICATIONS: 28, DOMAIN_ISBOTTOM_TIME[ms]: 152, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7597, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7597, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 42, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12835, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12834, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 343, DAG_COMPRESSION_RETAINED_NODES: 171 - UnprovableResult [Line: 410]: 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 366#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...