java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:11:46,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:11:46,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:11:46,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:11:46,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:11:46,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:11:46,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:11:46,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:11:46,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:11:46,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:11:46,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:11:46,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:11:46,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:11:46,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:11:46,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:11:46,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:11:46,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:11:46,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:11:46,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:11:46,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:11:46,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:11:46,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:11:46,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:11:46,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:11:46,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:11:46,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:11:46,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:11:46,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:11:46,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:11:46,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:11:46,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:11:46,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:11:46,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:11:46,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:11:46,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:11:46,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:11:46,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:11:46,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:11:46,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:11:46,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:11:46,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:11:46,422 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 15:11:46,436 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:11:46,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:11:46,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:11:46,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:11:46,438 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:11:46,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:11:46,439 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:11:46,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:11:46,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:11:46,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:11:46,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:11:46,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:11:46,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:11:46,440 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:11:46,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:11:46,441 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:11:46,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:11:46,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:11:46,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:11:46,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:11:46,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:11:46,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:11:46,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:11:46,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:11:46,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:11:46,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:11:46,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:11:46,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:11:46,444 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> NONE [2019-09-20 15:11:46,475 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:11:46,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:11:46,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:11:46,493 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:11:46,494 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:11:46,495 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-09-20 15:11:46,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c88ee1321/970b8244e84949af96f04b379514395b/FLAGa4ea80da7 [2019-09-20 15:11:47,083 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:11:47,084 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-09-20 15:11:47,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c88ee1321/970b8244e84949af96f04b379514395b/FLAGa4ea80da7 [2019-09-20 15:11:47,408 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c88ee1321/970b8244e84949af96f04b379514395b [2019-09-20 15:11:47,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:11:47,420 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:11:47,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:11:47,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:11:47,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:11:47,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:11:47" (1/1) ... [2019-09-20 15:11:47,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4d59c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:47, skipping insertion in model container [2019-09-20 15:11:47,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:11:47" (1/1) ... [2019-09-20 15:11:47,436 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:11:47,505 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:11:47,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:11:47,972 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:11:48,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:11:48,140 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:11:48,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:48 WrapperNode [2019-09-20 15:11:48,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:11:48,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:11:48,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:11:48,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:11:48,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:48" (1/1) ... [2019-09-20 15:11:48,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:48" (1/1) ... [2019-09-20 15:11:48,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:48" (1/1) ... [2019-09-20 15:11:48,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:48" (1/1) ... [2019-09-20 15:11:48,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:48" (1/1) ... [2019-09-20 15:11:48,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:48" (1/1) ... [2019-09-20 15:11:48,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:48" (1/1) ... [2019-09-20 15:11:48,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:11:48,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:11:48,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:11:48,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:11:48,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:48" (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 15:11:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:11:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:11:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:11:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:11:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:11:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:11:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:11:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:11:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:11:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:11:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:11:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:11:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:11:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:11:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:11:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:11:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:11:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:11:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:11:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:11:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:11:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:11:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:11:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:11:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:11:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:11:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:11:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:11:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:11:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:11:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:11:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:11:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:11:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:11:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:11:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:11:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:11:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:11:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:11:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:11:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:11:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:11:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:11:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:11:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:11:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:11:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:11:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:11:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:11:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:11:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:11:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:11:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:11:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:11:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:11:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:11:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:11:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:11:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:11:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:11:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:11:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:11:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:11:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:11:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:11:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:11:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:11:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:11:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:11:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:11:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:11:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:11:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:11:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:11:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:11:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:11:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:11:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:11:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:11:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:11:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:11:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:11:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:11:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:11:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:11:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:11:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:11:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:11:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:11:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:11:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:11:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:11:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:11:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:11:49,914 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:11:49,915 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:11:49,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:11:49 BoogieIcfgContainer [2019-09-20 15:11:49,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:11:49,917 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:11:49,917 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:11:49,918 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:11:49,919 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:11:49" (1/1) ... [2019-09-20 15:11:49,920 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:11:49,946 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:11:49,947 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:11:49,956 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:11:49,966 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:11:49,968 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:12:00,787 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:12:00,813 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:12:00,856 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:12:00,862 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:12:05,150 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-20 15:12:05,171 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:12:05,176 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-20 15:12:05,178 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 12 for LOIs [2019-09-20 15:12:05,179 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:12:05,179 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:12:05,181 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1676#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:12:05,198 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:12:05,199 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:12:05,202 INFO L168 Benchmark]: Toolchain (without parser) took 17780.46 ms. Allocated memory was 135.8 MB in the beginning and 442.5 MB in the end (delta: 306.7 MB). Free memory was 82.4 MB in the beginning and 358.4 MB in the end (delta: -276.0 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:05,203 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 135.8 MB. Free memory was 101.7 MB in the beginning and 101.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:12:05,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.52 ms. Allocated memory was 135.8 MB in the beginning and 197.1 MB in the end (delta: 61.3 MB). Free memory was 82.2 MB in the beginning and 162.6 MB in the end (delta: -80.4 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:05,205 INFO L168 Benchmark]: Boogie Preprocessor took 85.53 ms. Allocated memory is still 197.1 MB. Free memory was 162.6 MB in the beginning and 158.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:05,208 INFO L168 Benchmark]: RCFGBuilder took 1688.54 ms. Allocated memory was 197.1 MB in the beginning and 213.4 MB in the end (delta: 16.3 MB). Free memory was 158.6 MB in the beginning and 141.5 MB in the end (delta: 17.2 MB). Peak memory consumption was 99.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:05,209 INFO L168 Benchmark]: Sifa took 15281.76 ms. Allocated memory was 213.4 MB in the beginning and 442.5 MB in the end (delta: 229.1 MB). Free memory was 141.5 MB in the beginning and 358.4 MB in the end (delta: -216.9 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:05,216 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 135.8 MB. Free memory was 101.7 MB in the beginning and 101.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.52 ms. Allocated memory was 135.8 MB in the beginning and 197.1 MB in the end (delta: 61.3 MB). Free memory was 82.2 MB in the beginning and 162.6 MB in the end (delta: -80.4 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.53 ms. Allocated memory is still 197.1 MB. Free memory was 162.6 MB in the beginning and 158.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1688.54 ms. Allocated memory was 197.1 MB in the beginning and 213.4 MB in the end (delta: 16.3 MB). Free memory was 158.6 MB in the beginning and 141.5 MB in the end (delta: 17.2 MB). Peak memory consumption was 99.2 MB. Max. memory is 7.1 GB. * Sifa took 15281.76 ms. Allocated memory was 213.4 MB in the beginning and 442.5 MB in the end (delta: 229.1 MB). Free memory was 141.5 MB in the beginning and 358.4 MB in the end (delta: -216.9 MB). Peak memory consumption was 12.2 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]: 15235, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 869, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 584, TOOLS_POST_TIME[ms]: 11539, TOOLS_POST_CALL_APPLICATIONS: 223, TOOLS_POST_CALL_TIME[ms]: 1355, TOOLS_POST_RETURN_APPLICATIONS: 214, TOOLS_POST_RETURN_TIME[ms]: 893, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1021, TOOLS_QUANTIFIERELIM_TIME[ms]: 13272, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10753, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 910, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 263, DOMAIN_JOIN_TIME[ms]: 104, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 18, DOMAIN_WIDEN_TIME[ms]: 14, DOMAIN_ISSUBSETEQ_APPLICATIONS: 41, DOMAIN_ISSUBSETEQ_TIME[ms]: 225, DOMAIN_ISBOTTOM_APPLICATIONS: 151, DOMAIN_ISBOTTOM_TIME[ms]: 884, LOOP_SUMMARIZER_APPLICATIONS: 23, LOOP_SUMMARIZER_CACHE_MISSES: 23, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3691, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3690, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 41, CALL_SUMMARIZER_APPLICATIONS: 214, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10830, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10828, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 734, DAG_COMPRESSION_RETAINED_NODES: 375 - UnprovableResult [Line: 44]: 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 1676#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...