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_spec5_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:39:04,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:39:04,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:39:04,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:39:04,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:39:04,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:39:04,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:39:04,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:39:04,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:39:04,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:39:04,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:39:04,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:39:04,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:39:04,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:39:04,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:39:04,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:39:04,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:39:04,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:39:04,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:39:04,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:39:04,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:39:04,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:39:04,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:39:04,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:39:04,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:39:04,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:39:04,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:39:04,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:39:04,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:39:04,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:39:04,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:39:04,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:39:04,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:39:04,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:39:04,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:39:04,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:39:04,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:39:04,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:39:04,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:39:04,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:39:04,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:39:04,627 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-21 08:39:04,641 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:39:04,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:39:04,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:39:04,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:39:04,643 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:39:04,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:39:04,644 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:39:04,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:39:04,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:39:04,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:39:04,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:39:04,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:39:04,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:39:04,645 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:39:04,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:39:04,645 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:39:04,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:39:04,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:39:04,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:39:04,646 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:39:04,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:39:04,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:39:04,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:39:04,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:39:04,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:39:04,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:39:04,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:39:04,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:39:04,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 08:39:04,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:39:04,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:39:04,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:39:04,695 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:39:04,695 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:39:04,696 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_productSimulator.cil.c [2019-09-21 08:39:04,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3085fbf6a/0894bb9831cc4881a8d5228ab5f1c963/FLAG0f77c71a2 [2019-09-21 08:39:05,276 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:39:05,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_productSimulator.cil.c [2019-09-21 08:39:05,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3085fbf6a/0894bb9831cc4881a8d5228ab5f1c963/FLAG0f77c71a2 [2019-09-21 08:39:05,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3085fbf6a/0894bb9831cc4881a8d5228ab5f1c963 [2019-09-21 08:39:05,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:39:05,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:39:05,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:39:05,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:39:05,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:39:05,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:39:05" (1/1) ... [2019-09-21 08:39:05,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337b8df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:05, skipping insertion in model container [2019-09-21 08:39:05,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:39:05" (1/1) ... [2019-09-21 08:39:05,607 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:39:05,675 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:39:06,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:39:06,183 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:39:06,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:39:06,307 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:39:06,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06 WrapperNode [2019-09-21 08:39:06,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:39:06,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:39:06,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:39:06,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:39:06,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06" (1/1) ... [2019-09-21 08:39:06,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06" (1/1) ... [2019-09-21 08:39:06,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06" (1/1) ... [2019-09-21 08:39:06,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06" (1/1) ... [2019-09-21 08:39:06,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06" (1/1) ... [2019-09-21 08:39:06,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06" (1/1) ... [2019-09-21 08:39:06,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06" (1/1) ... [2019-09-21 08:39:06,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:39:06,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:39:06,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:39:06,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:39:06,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:39:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:39:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:39:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:39:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:39:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:39:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:39:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:39:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:39:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:39:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-21 08:39:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:39:06,515 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:39:06,515 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:39:06,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:39:06,515 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:39:06,515 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:39:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:39:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:39:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:39:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:39:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:39:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:39:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:39:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:39:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:39:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:39:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:39:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:39:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:39:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2019-09-21 08:39:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2019-09-21 08:39:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2019-09-21 08:39:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2019-09-21 08:39:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2019-09-21 08:39:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2019-09-21 08:39:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:39:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2019-09-21 08:39:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2019-09-21 08:39:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:39:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:39:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:39:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:39:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:39:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-21 08:39:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:39:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-21 08:39:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 08:39:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-21 08:39:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-21 08:39:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-21 08:39:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:39:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:39:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:39:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:39:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:39:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:39:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:39:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:39:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:39:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-21 08:39:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:39:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:39:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:39:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:39:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:39:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:39:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:39:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-21 08:39:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:39:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:39:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:39:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:39:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:39:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:39:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:39:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:39:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:39:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:39:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:39:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:39:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:39:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:39:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:39:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:39:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:39:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:39:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:39:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:39:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:39:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:39:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:39:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:39:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 08:39:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-21 08:39:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:39:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:39:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:39:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-21 08:39:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-21 08:39:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:39:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2019-09-21 08:39:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-21 08:39:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2019-09-21 08:39:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2019-09-21 08:39:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:39:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2019-09-21 08:39:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2019-09-21 08:39:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:39:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2019-09-21 08:39:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2019-09-21 08:39:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2019-09-21 08:39:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:39:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:39:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:39:08,111 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:39:08,111 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:39:08,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:39:08 BoogieIcfgContainer [2019-09-21 08:39:08,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:39:08,113 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:39:08,114 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:39:08,114 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:39:08,115 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:39:08" (1/1) ... [2019-09-21 08:39:08,116 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:39:08,147 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:39:08,149 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:39:08,164 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:39:08,175 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:39:08,176 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:39:18,191 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2019-09-21 08:39:19,813 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:39:19,973 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 490 [2019-09-21 08:39:20,106 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 490 [2019-09-21 08:39:20,232 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 490 [2019-09-21 08:39:20,250 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 516 for LOIs [2019-09-21 08:39:20,363 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 519 for LOIs [2019-09-21 08:39:20,392 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 519 for LOIs [2019-09-21 08:39:20,609 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-21 08:39:20,733 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-21 08:39:21,185 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-21 08:39:21,533 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-21 08:39:21,826 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-21 08:39:22,030 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-21 08:39:22,559 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-21 08:39:22,950 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-21 08:39:23,877 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-09-21 08:39:24,548 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-09-21 08:39:25,637 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 589 [2019-09-21 08:39:26,221 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 544 [2019-09-21 08:39:26,820 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-21 08:39:27,337 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-21 08:39:28,644 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 569 [2019-09-21 08:39:29,342 WARN L191 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-09-21 08:39:30,836 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 589 [2019-09-21 08:39:31,030 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 544 [2019-09-21 08:39:31,101 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-21 08:39:31,126 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-21 08:39:31,140 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-21 08:39:31,143 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-21 08:39:31,144 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:39:31,144 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:39:31,147 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 720#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-21 08:39:31,161 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:39:31,161 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:39:31,164 INFO L168 Benchmark]: Toolchain (without parser) took 25568.94 ms. Allocated memory was 139.5 MB in the beginning and 789.6 MB in the end (delta: 650.1 MB). Free memory was 85.8 MB in the beginning and 452.3 MB in the end (delta: -366.6 MB). Peak memory consumption was 283.6 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:31,165 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:39:31,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.14 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 85.5 MB in the beginning and 161.1 MB in the end (delta: -75.6 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:31,172 INFO L168 Benchmark]: Boogie Preprocessor took 114.99 ms. Allocated memory is still 200.3 MB. Free memory was 161.1 MB in the beginning and 156.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:31,174 INFO L168 Benchmark]: RCFGBuilder took 1689.66 ms. Allocated memory was 200.3 MB in the beginning and 223.9 MB in the end (delta: 23.6 MB). Free memory was 156.1 MB in the beginning and 124.4 MB in the end (delta: 31.7 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:31,174 INFO L168 Benchmark]: Sifa took 23047.83 ms. Allocated memory was 223.9 MB in the beginning and 789.6 MB in the end (delta: 565.7 MB). Free memory was 124.4 MB in the beginning and 452.3 MB in the end (delta: -327.9 MB). Peak memory consumption was 237.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:31,188 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 139.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.14 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 85.5 MB in the beginning and 161.1 MB in the end (delta: -75.6 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.99 ms. Allocated memory is still 200.3 MB. Free memory was 161.1 MB in the beginning and 156.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1689.66 ms. Allocated memory was 200.3 MB in the beginning and 223.9 MB in the end (delta: 23.6 MB). Free memory was 156.1 MB in the beginning and 124.4 MB in the end (delta: 31.7 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. * Sifa took 23047.83 ms. Allocated memory was 223.9 MB in the beginning and 789.6 MB in the end (delta: 565.7 MB). Free memory was 124.4 MB in the beginning and 452.3 MB in the end (delta: -327.9 MB). Peak memory consumption was 237.8 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]: 22999, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 353, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 233, TOOLS_POST_TIME[ms]: 11822, TOOLS_POST_CALL_APPLICATIONS: 104, TOOLS_POST_CALL_TIME[ms]: 212, TOOLS_POST_RETURN_APPLICATIONS: 95, TOOLS_POST_RETURN_TIME[ms]: 125, TOOLS_QUANTIFIERELIM_APPLICATIONS: 432, TOOLS_QUANTIFIERELIM_TIME[ms]: 12031, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11710, FLUID_QUERY_TIME[ms]: 17, FLUID_QUERIES: 360, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 118, DOMAIN_JOIN_TIME[ms]: 9869, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 475, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 43, DOMAIN_ISBOTTOM_APPLICATIONS: 67, DOMAIN_ISBOTTOM_TIME[ms]: 265, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7103, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7102, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 95, CALL_SUMMARIZER_CACHE_MISSES: 39, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12262, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12260, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 40, DAG_COMPRESSION_PROCESSED_NODES: 540, DAG_COMPRESSION_RETAINED_NODES: 324 - UnprovableResult [Line: 312]: 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 720#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~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...