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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 03:50:31,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 03:50:31,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 03:50:31,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 03:50:31,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 03:50:31,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 03:50:31,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 03:50:31,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 03:50:31,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 03:50:31,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 03:50:31,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 03:50:31,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 03:50:31,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 03:50:31,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 03:50:31,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 03:50:31,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 03:50:31,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 03:50:31,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 03:50:31,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 03:50:31,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 03:50:31,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 03:50:31,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 03:50:31,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 03:50:31,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 03:50:31,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 03:50:31,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 03:50:31,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 03:50:31,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 03:50:31,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 03:50:31,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 03:50:31,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 03:50:31,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 03:50:31,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 03:50:31,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 03:50:31,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 03:50:31,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 03:50:31,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 03:50:31,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 03:50:31,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 03:50:31,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 03:50:31,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 03:50:31,444 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 [2019-09-18 03:50:31,458 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 03:50:31,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 03:50:31,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 03:50:31,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 03:50:31,460 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 03:50:31,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 03:50:31,460 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 03:50:31,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 03:50:31,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 03:50:31,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 03:50:31,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 03:50:31,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 03:50:31,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 03:50:31,462 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 03:50:31,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 03:50:31,462 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 03:50:31,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 03:50:31,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 03:50:31,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 03:50:31,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 03:50:31,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 03:50:31,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 03:50:31,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 03:50:31,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 03:50:31,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 03:50:31,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 03:50:31,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 03:50:31,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 03:50:31,464 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 -> SequenceOfStatements 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_DDA [2019-09-18 03:50:31,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 03:50:31,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 03:50:31,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 03:50:31,518 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 03:50:31,519 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 03:50:31,519 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2019-09-18 03:50:31,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1586b6838/3d96d2d8efd34fa3b950bc056b4b2b35/FLAG6cde1f820 [2019-09-18 03:50:32,097 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 03:50:32,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2019-09-18 03:50:32,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1586b6838/3d96d2d8efd34fa3b950bc056b4b2b35/FLAG6cde1f820 [2019-09-18 03:50:32,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1586b6838/3d96d2d8efd34fa3b950bc056b4b2b35 [2019-09-18 03:50:32,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 03:50:32,419 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 03:50:32,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 03:50:32,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 03:50:32,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 03:50:32,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:50:32" (1/1) ... [2019-09-18 03:50:32,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66650e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:50:32, skipping insertion in model container [2019-09-18 03:50:32,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:50:32" (1/1) ... [2019-09-18 03:50:32,432 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 03:50:32,472 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 03:50:32,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:50:32,901 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 03:50:33,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:50:33,059 INFO L192 MainTranslator]: Completed translation [2019-09-18 03:50:33,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:50:33 WrapperNode [2019-09-18 03:50:33,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 03:50:33,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 03:50:33,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 03:50:33,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 03:50:33,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:50:33" (1/1) ... [2019-09-18 03:50:33,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:50:33" (1/1) ... [2019-09-18 03:50:33,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:50:33" (1/1) ... [2019-09-18 03:50:33,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:50:33" (1/1) ... [2019-09-18 03:50:33,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:50:33" (1/1) ... [2019-09-18 03:50:33,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:50:33" (1/1) ... [2019-09-18 03:50:33,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:50:33" (1/1) ... [2019-09-18 03:50:33,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 03:50:33,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 03:50:33,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 03:50:33,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 03:50:33,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:50:33" (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 [2019-09-18 03:50:33,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 03:50:33,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 03:50:33,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 03:50:33,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 03:50:33,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 03:50:33,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 03:50:33,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 03:50:33,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 03:50:33,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 03:50:33,260 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 03:50:33,260 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 03:50:33,260 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 03:50:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 03:50:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 03:50:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 03:50:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 03:50:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 03:50:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 03:50:33,262 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 03:50:33,262 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 03:50:33,262 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 03:50:33,262 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 03:50:33,262 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 03:50:33,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 03:50:33,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 03:50:33,263 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 03:50:33,263 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 03:50:33,263 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 03:50:33,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 03:50:33,263 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 03:50:33,264 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 03:50:33,264 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 03:50:33,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 03:50:33,264 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 03:50:33,264 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 03:50:33,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-18 03:50:33,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-18 03:50:33,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 03:50:33,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 03:50:33,265 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 03:50:33,265 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 03:50:33,265 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 03:50:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 03:50:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 03:50:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 03:50:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 03:50:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 03:50:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 03:50:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 03:50:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 03:50:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 03:50:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 03:50:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 03:50:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 03:50:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 03:50:33,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 03:50:33,268 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 03:50:33,268 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 03:50:33,268 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 03:50:33,268 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 03:50:33,268 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 03:50:33,269 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 03:50:33,269 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 03:50:33,269 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 03:50:33,269 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 03:50:33,269 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 03:50:33,269 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 03:50:33,269 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 03:50:33,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-18 03:50:33,270 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 03:50:33,270 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 03:50:33,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 03:50:33,270 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 03:50:33,270 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 03:50:33,271 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 03:50:33,271 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 03:50:33,271 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 03:50:33,271 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 03:50:33,271 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 03:50:33,271 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 03:50:33,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-18 03:50:33,272 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 03:50:33,272 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 03:50:33,272 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 03:50:33,272 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 03:50:33,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 03:50:33,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 03:50:33,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 03:50:34,348 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 03:50:34,348 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 03:50:34,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:50:34 BoogieIcfgContainer [2019-09-18 03:50:34,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 03:50:34,350 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 03:50:34,350 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 03:50:34,351 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 03:50:34,352 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:50:34" (1/1) ... [2019-09-18 03:50:34,353 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 03:50:34,375 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 03:50:34,375 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 03:50:34,388 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 03:50:34,400 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 03:50:34,402 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 03:50:58,789 WARN L191 SmtUtils]: Spent 14.28 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 03:51:00,441 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 03:51:04,133 WARN L191 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-18 03:51:05,806 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 03:51:07,467 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 03:51:07,481 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-18 03:51:07,551 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-18 03:51:07,571 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-18 03:51:19,294 WARN L191 SmtUtils]: Spent 11.52 s on a formula simplification. DAG size of input: 456 DAG size of output: 452 [2019-09-18 03:51:24,930 WARN L191 SmtUtils]: Spent 5.63 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 03:51:36,489 WARN L191 SmtUtils]: Spent 11.50 s on a formula simplification. DAG size of input: 461 DAG size of output: 454 [2019-09-18 03:51:42,092 WARN L191 SmtUtils]: Spent 5.60 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 03:51:53,617 WARN L191 SmtUtils]: Spent 11.52 s on a formula simplification. DAG size of input: 461 DAG size of output: 454 [2019-09-18 03:51:59,285 WARN L191 SmtUtils]: Spent 5.67 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 03:52:08,515 WARN L191 SmtUtils]: Spent 9.18 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-18 03:52:17,712 WARN L191 SmtUtils]: Spent 9.19 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-18 03:52:43,398 WARN L191 SmtUtils]: Spent 25.68 s on a formula simplification. DAG size of input: 473 DAG size of output: 473 [2019-09-18 03:52:44,208 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-18 03:52:45,209 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 03:52:45,790 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-18 03:52:46,007 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 03:52:46,597 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-18 03:52:46,894 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2019-09-18 03:52:47,059 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 03:52:47,630 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-18 03:52:47,831 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 03:52:48,432 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-18 03:52:48,863 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 03:52:49,422 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-18 03:52:49,644 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 03:52:50,195 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-18 03:52:50,361 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 03:52:50,968 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-18 03:52:51,658 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 03:52:52,264 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-18 03:52:52,547 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 19 [2019-09-18 03:52:52,694 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 03:52:53,247 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-18 03:52:53,454 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 03:52:53,809 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 19 [2019-09-18 03:52:53,928 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 19 [2019-09-18 03:52:54,201 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-18 03:52:54,415 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 03:52:55,106 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-18 03:52:55,301 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 03:52:55,601 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 03:52:56,203 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-18 03:52:57,119 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-18 03:52:57,127 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-18 03:52:57,299 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-18 03:52:57,429 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-18 03:52:57,431 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-18 03:52:57,457 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 03:52:57,457 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 03:52:57,459 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1367#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-18 03:52:57,471 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 03:52:57,471 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 03:52:57,473 INFO L168 Benchmark]: Toolchain (without parser) took 145053.79 ms. Allocated memory was 133.7 MB in the beginning and 210.8 MB in the end (delta: 77.1 MB). Free memory was 88.6 MB in the beginning and 140.0 MB in the end (delta: -51.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-09-18 03:52:57,474 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 03:52:57,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.26 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 88.4 MB in the beginning and 166.0 MB in the end (delta: -77.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-18 03:52:57,476 INFO L168 Benchmark]: Boogie Preprocessor took 130.71 ms. Allocated memory is still 200.3 MB. Free memory was 166.0 MB in the beginning and 161.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-18 03:52:57,477 INFO L168 Benchmark]: RCFGBuilder took 1158.70 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 161.7 MB in the beginning and 197.3 MB in the end (delta: -35.6 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. [2019-09-18 03:52:57,478 INFO L168 Benchmark]: Sifa took 143121.03 ms. Allocated memory was 226.5 MB in the beginning and 210.8 MB in the end (delta: -15.7 MB). Free memory was 195.9 MB in the beginning and 140.0 MB in the end (delta: 56.0 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. [2019-09-18 03:52:57,482 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 640.26 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 88.4 MB in the beginning and 166.0 MB in the end (delta: -77.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.71 ms. Allocated memory is still 200.3 MB. Free memory was 166.0 MB in the beginning and 161.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1158.70 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 161.7 MB in the beginning and 197.3 MB in the end (delta: -35.6 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. * Sifa took 143121.03 ms. Allocated memory was 226.5 MB in the beginning and 210.8 MB in the end (delta: -15.7 MB). Free memory was 195.9 MB in the beginning and 140.0 MB in the end (delta: 56.0 MB). Peak memory consumption was 40.3 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]: 143084, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 710, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 513, TOOLS_POST_TIME[ms]: 29786, TOOLS_POST_CALL_APPLICATIONS: 167, TOOLS_POST_CALL_TIME[ms]: 244, TOOLS_POST_RETURN_APPLICATIONS: 158, TOOLS_POST_RETURN_TIME[ms]: 87, TOOLS_QUANTIFIERELIM_APPLICATIONS: 837, TOOLS_QUANTIFIERELIM_TIME[ms]: 29949, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29651, FLUID_QUERY_TIME[ms]: 18, FLUID_QUERIES: 735, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 207, DOMAIN_JOIN_TIME[ms]: 112246, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 74, DOMAIN_ISSUBSETEQ_APPLICATIONS: 25, DOMAIN_ISSUBSETEQ_TIME[ms]: 21, DOMAIN_ISBOTTOM_APPLICATIONS: 146, DOMAIN_ISBOTTOM_TIME[ms]: 403, LOOP_SUMMARIZER_APPLICATIONS: 21, LOOP_SUMMARIZER_CACHE_MISSES: 21, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 105658, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 105656, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 25, CALL_SUMMARIZER_APPLICATIONS: 158, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33744, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33742, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 61, DAG_COMPRESSION_PROCESSED_NODES: 875, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 759]: 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 1367#(and (not (= 0 ~methAndRunningLastTime~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...