java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:15:01,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:15:01,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:15:01,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:15:01,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:15:01,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:15:01,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:15:01,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:15:01,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:15:01,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:15:01,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:15:01,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:15:01,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:15:01,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:15:01,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:15:01,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:15:01,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:15:01,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:15:01,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:15:01,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:15:01,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:15:01,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:15:01,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:15:01,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:15:01,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:15:01,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:15:01,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:15:01,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:15:01,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:15:01,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:15:01,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:15:01,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:15:01,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:15:01,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:15:01,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:15:01,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:15:01,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:15:01,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:15:01,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:15:01,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:15:01,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:15:01,342 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 [2019-10-07 15:15:01,369 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:15:01,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:15:01,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:15:01,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:15:01,371 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:15:01,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:15:01,371 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:15:01,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:15:01,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:15:01,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:15:01,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:15:01,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:15:01,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:15:01,375 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:15:01,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:15:01,376 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:15:01,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:15:01,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:15:01,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:15:01,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:15:01,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:15:01,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:15:01,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:15:01,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:15:01,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:15:01,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:15:01,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:15:01,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:15:01,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:15:01,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:15:01,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:15:01,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:15:01,719 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:15:01,719 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:15:01,720 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product21.cil.c [2019-10-07 15:15:01,788 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/114b2de0f/ba8381c8db804774b4f6c938068bb023/FLAG293aa9add [2019-10-07 15:15:02,328 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:15:02,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product21.cil.c [2019-10-07 15:15:02,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/114b2de0f/ba8381c8db804774b4f6c938068bb023/FLAG293aa9add [2019-10-07 15:15:02,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/114b2de0f/ba8381c8db804774b4f6c938068bb023 [2019-10-07 15:15:02,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:15:02,631 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:15:02,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:02,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:15:02,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:15:02,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:02" (1/1) ... [2019-10-07 15:15:02,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57150996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:02, skipping insertion in model container [2019-10-07 15:15:02,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:02" (1/1) ... [2019-10-07 15:15:02,648 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:15:02,698 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:15:03,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:03,165 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:15:03,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:03,315 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:15:03,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:03 WrapperNode [2019-10-07 15:15:03,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:03,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:15:03,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:15:03,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:15:03,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:03" (1/1) ... [2019-10-07 15:15:03,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:03" (1/1) ... [2019-10-07 15:15:03,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:03" (1/1) ... [2019-10-07 15:15:03,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:03" (1/1) ... [2019-10-07 15:15:03,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:03" (1/1) ... [2019-10-07 15:15:03,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:03" (1/1) ... [2019-10-07 15:15:03,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:03" (1/1) ... [2019-10-07 15:15:03,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:15:03,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:15:03,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:15:03,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:15:03,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:03" (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 [2019-10-07 15:15:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:15:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:15:03,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:03,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:03,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:15:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:15:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:15:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:15:03,516 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:15:03,516 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:15:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:15:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:15:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:15:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:15:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:15:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:15:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:15:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:15:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:15:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:15:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:15:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:15:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:15:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:15:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:15:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:15:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:15:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:15:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:15:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:15:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:15:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:15:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:15:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:15:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:15:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:15:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:15:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:15:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:15:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:15:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:15:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:15:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:15:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:15:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:15:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:15:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:15:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:15:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:15:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:15:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:15:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:15:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:15:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:15:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:15:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:15:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:15:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:15:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:15:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:15:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:15:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:15:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:15:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:15:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:15:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:15:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:15:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:15:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:15:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:15:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:15:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:15:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:15:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:15:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:15:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:15:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:15:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:15:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:15:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:15:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:15:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:15:05,159 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:15:05,159 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:15:05,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:05 BoogieIcfgContainer [2019-10-07 15:15:05,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:15:05,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:15:05,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:15:05,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:15:05,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:15:02" (1/3) ... [2019-10-07 15:15:05,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c2a33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:05, skipping insertion in model container [2019-10-07 15:15:05,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:03" (2/3) ... [2019-10-07 15:15:05,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c2a33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:05, skipping insertion in model container [2019-10-07 15:15:05,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:05" (3/3) ... [2019-10-07 15:15:05,170 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product21.cil.c [2019-10-07 15:15:05,181 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:15:05,189 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:15:05,201 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:15:05,236 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:15:05,237 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:15:05,237 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:15:05,237 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:15:05,237 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:15:05,238 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:15:05,238 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:15:05,238 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:15:05,262 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2019-10-07 15:15:05,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:15:05,276 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:05,278 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:05,282 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:05,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:05,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1912662437, now seen corresponding path program 1 times [2019-10-07 15:15:05,302 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:05,303 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:05,303 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:05,305 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:05,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:05,702 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:05,703 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:05,703 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:15:05,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:15:05,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:15:05,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:15:05,722 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2019-10-07 15:15:05,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:05,757 INFO L93 Difference]: Finished difference Result 203 states and 248 transitions. [2019-10-07 15:15:05,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:15:05,759 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:15:05,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:05,771 INFO L225 Difference]: With dead ends: 203 [2019-10-07 15:15:05,771 INFO L226 Difference]: Without dead ends: 102 [2019-10-07 15:15:05,775 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:15:05,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-10-07 15:15:05,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2019-10-07 15:15:05,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-10-07 15:15:05,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2019-10-07 15:15:05,825 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 42 [2019-10-07 15:15:05,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:05,825 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2019-10-07 15:15:05,826 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:15:05,826 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2019-10-07 15:15:05,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:15:05,829 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:05,829 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:05,830 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:05,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:05,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1254869197, now seen corresponding path program 1 times [2019-10-07 15:15:05,831 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:05,831 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:05,831 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:05,831 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:05,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:05,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:05,973 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:05,974 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:05,975 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:15:05,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:15:05,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:15:05,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:15:05,979 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 3 states. [2019-10-07 15:15:06,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:06,020 INFO L93 Difference]: Finished difference Result 161 states and 187 transitions. [2019-10-07 15:15:06,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:15:06,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:15:06,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:06,023 INFO L225 Difference]: With dead ends: 161 [2019-10-07 15:15:06,023 INFO L226 Difference]: Without dead ends: 94 [2019-10-07 15:15:06,025 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:15:06,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-10-07 15:15:06,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-10-07 15:15:06,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-10-07 15:15:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2019-10-07 15:15:06,049 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 43 [2019-10-07 15:15:06,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:06,049 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2019-10-07 15:15:06,049 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:15:06,049 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2019-10-07 15:15:06,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-07 15:15:06,052 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:06,052 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:06,053 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:06,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:06,054 INFO L82 PathProgramCache]: Analyzing trace with hash 236411945, now seen corresponding path program 1 times [2019-10-07 15:15:06,054 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:06,055 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:06,055 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:06,055 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:06,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:06,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:06,281 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:06,281 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:06,282 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:06,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:06,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:06,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:06,283 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand 7 states. [2019-10-07 15:15:06,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:06,585 INFO L93 Difference]: Finished difference Result 166 states and 193 transitions. [2019-10-07 15:15:06,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:15:06,587 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-10-07 15:15:06,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:06,589 INFO L225 Difference]: With dead ends: 166 [2019-10-07 15:15:06,590 INFO L226 Difference]: Without dead ends: 94 [2019-10-07 15:15:06,591 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:15:06,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-10-07 15:15:06,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-10-07 15:15:06,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-10-07 15:15:06,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 106 transitions. [2019-10-07 15:15:06,603 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 106 transitions. Word has length 45 [2019-10-07 15:15:06,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:06,604 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 106 transitions. [2019-10-07 15:15:06,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:06,604 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2019-10-07 15:15:06,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-07 15:15:06,606 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:06,607 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:06,607 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:06,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:06,607 INFO L82 PathProgramCache]: Analyzing trace with hash -981845961, now seen corresponding path program 1 times [2019-10-07 15:15:06,608 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:06,608 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:06,608 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:06,608 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:06,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:06,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:06,759 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:06,759 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:06,759 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:15:06,760 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:15:06,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:15:06,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:15:06,761 INFO L87 Difference]: Start difference. First operand 94 states and 106 transitions. Second operand 6 states. [2019-10-07 15:15:06,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:06,960 INFO L93 Difference]: Finished difference Result 231 states and 270 transitions. [2019-10-07 15:15:06,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:06,961 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-10-07 15:15:06,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:06,969 INFO L225 Difference]: With dead ends: 231 [2019-10-07 15:15:06,969 INFO L226 Difference]: Without dead ends: 159 [2019-10-07 15:15:06,971 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:15:06,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-10-07 15:15:07,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 155. [2019-10-07 15:15:07,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-10-07 15:15:07,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 178 transitions. [2019-10-07 15:15:07,016 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 178 transitions. Word has length 58 [2019-10-07 15:15:07,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:07,016 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 178 transitions. [2019-10-07 15:15:07,017 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:15:07,021 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 178 transitions. [2019-10-07 15:15:07,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-07 15:15:07,024 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:07,024 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:07,025 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:07,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:07,025 INFO L82 PathProgramCache]: Analyzing trace with hash -109523077, now seen corresponding path program 1 times [2019-10-07 15:15:07,025 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:07,025 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:07,026 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:07,026 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:07,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:07,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:07,153 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:07,153 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:07,154 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:07,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:07,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:07,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:07,158 INFO L87 Difference]: Start difference. First operand 155 states and 178 transitions. Second operand 7 states. [2019-10-07 15:15:07,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:07,464 INFO L93 Difference]: Finished difference Result 237 states and 278 transitions. [2019-10-07 15:15:07,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:07,465 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-07 15:15:07,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:07,466 INFO L225 Difference]: With dead ends: 237 [2019-10-07 15:15:07,466 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:15:07,467 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:15:07,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:15:07,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:15:07,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:15:07,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:15:07,468 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-10-07 15:15:07,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:07,469 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:15:07,469 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:07,469 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:15:07,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:15:07,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:15:08,172 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-07 15:15:08,172 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-07 15:15:08,172 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-07 15:15:08,172 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-07 15:15:08,172 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-07 15:15:08,172 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-07 15:15:08,172 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-07 15:15:08,173 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:15:08,173 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-07 15:15:08,173 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:15:08,173 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-07 15:15:08,173 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:15:08,173 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-07 15:15:08,173 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 650 656) the Hoare annotation is: true [2019-10-07 15:15:08,174 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 650 656) no Hoare annotation was computed. [2019-10-07 15:15:08,174 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 657 665) no Hoare annotation was computed. [2019-10-07 15:15:08,174 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 657 665) the Hoare annotation is: true [2019-10-07 15:15:08,191 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:08,191 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2019-10-07 15:15:08,192 INFO L439 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:08,192 INFO L439 ceAbstractionStarter]: At program point L527-1(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:08,192 INFO L443 ceAbstractionStarter]: For program point L525(lines 525 532) no Hoare annotation was computed. [2019-10-07 15:15:08,192 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2019-10-07 15:15:08,192 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-07 15:15:08,193 INFO L439 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:08,193 INFO L439 ceAbstractionStarter]: At program point L521(line 521) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:08,193 INFO L439 ceAbstractionStarter]: At program point L521-1(line 521) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:08,193 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-07 15:15:08,193 INFO L443 ceAbstractionStarter]: For program point L480(line 480) no Hoare annotation was computed. [2019-10-07 15:15:08,194 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 470 493) no Hoare annotation was computed. [2019-10-07 15:15:08,194 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-07 15:15:08,194 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-07 15:15:08,194 INFO L443 ceAbstractionStarter]: For program point L477(line 477) no Hoare annotation was computed. [2019-10-07 15:15:08,194 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 470 493) no Hoare annotation was computed. [2019-10-07 15:15:08,194 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-07 15:15:08,194 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 470 493) no Hoare annotation was computed. [2019-10-07 15:15:08,195 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-07 15:15:08,195 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-07 15:15:08,195 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-07 15:15:08,195 INFO L443 ceAbstractionStarter]: For program point L486(line 486) no Hoare annotation was computed. [2019-10-07 15:15:08,195 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-07 15:15:08,195 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-07 15:15:08,195 INFO L443 ceAbstractionStarter]: For program point L483(line 483) no Hoare annotation was computed. [2019-10-07 15:15:08,195 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-07 15:15:08,196 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 847 855) no Hoare annotation was computed. [2019-10-07 15:15:08,196 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 847 855) the Hoare annotation is: true [2019-10-07 15:15:08,196 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 892 910) the Hoare annotation is: true [2019-10-07 15:15:08,196 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 892 910) no Hoare annotation was computed. [2019-10-07 15:15:08,196 INFO L446 ceAbstractionStarter]: At program point L899(line 899) the Hoare annotation is: true [2019-10-07 15:15:08,196 INFO L443 ceAbstractionStarter]: For program point L899-1(line 899) no Hoare annotation was computed. [2019-10-07 15:15:08,197 INFO L443 ceAbstractionStarter]: For program point L886(line 886) no Hoare annotation was computed. [2019-10-07 15:15:08,197 INFO L443 ceAbstractionStarter]: For program point L886-1(line 886) no Hoare annotation was computed. [2019-10-07 15:15:08,197 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 856 891) no Hoare annotation was computed. [2019-10-07 15:15:08,197 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 856 891) no Hoare annotation was computed. [2019-10-07 15:15:08,197 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 643 649) no Hoare annotation was computed. [2019-10-07 15:15:08,197 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 643 649) the Hoare annotation is: true [2019-10-07 15:15:08,197 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-07 15:15:08,198 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-07 15:15:08,198 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-07 15:15:08,198 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-07 15:15:08,198 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:08,198 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2019-10-07 15:15:08,198 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2019-10-07 15:15:08,198 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 836 846) the Hoare annotation is: true [2019-10-07 15:15:08,199 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 836 846) no Hoare annotation was computed. [2019-10-07 15:15:08,199 INFO L446 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: true [2019-10-07 15:15:08,199 INFO L443 ceAbstractionStarter]: For program point L841-1(line 841) no Hoare annotation was computed. [2019-10-07 15:15:08,199 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 828 835) the Hoare annotation is: true [2019-10-07 15:15:08,199 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 828 835) no Hoare annotation was computed. [2019-10-07 15:15:08,199 INFO L439 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:15:08,199 INFO L443 ceAbstractionStarter]: For program point L801-1(line 801) no Hoare annotation was computed. [2019-10-07 15:15:08,200 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 816) no Hoare annotation was computed. [2019-10-07 15:15:08,200 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 795 819) no Hoare annotation was computed. [2019-10-07 15:15:08,200 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 795 819) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:15:08,200 INFO L439 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:15:08,200 INFO L443 ceAbstractionStarter]: For program point L814-1(lines 795 819) no Hoare annotation was computed. [2019-10-07 15:15:08,200 INFO L439 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:15:08,201 INFO L439 ceAbstractionStarter]: At program point L805(line 805) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:15:08,201 INFO L443 ceAbstractionStarter]: For program point L803(lines 803 811) no Hoare annotation was computed. [2019-10-07 15:15:08,201 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 761 767) no Hoare annotation was computed. [2019-10-07 15:15:08,201 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 761 767) the Hoare annotation is: true [2019-10-07 15:15:08,201 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 667 730) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:08,201 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 667 730) no Hoare annotation was computed. [2019-10-07 15:15:08,201 INFO L439 ceAbstractionStarter]: At program point L723(lines 676 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:08,202 INFO L439 ceAbstractionStarter]: At program point L713-2(lines 707 718) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:08,202 INFO L443 ceAbstractionStarter]: For program point L678(lines 677 722) no Hoare annotation was computed. [2019-10-07 15:15:08,202 INFO L439 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:08,202 INFO L443 ceAbstractionStarter]: For program point L697(lines 697 703) no Hoare annotation was computed. [2019-10-07 15:15:08,202 INFO L443 ceAbstractionStarter]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2019-10-07 15:15:08,202 INFO L439 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:08,203 INFO L439 ceAbstractionStarter]: At program point L720(lines 677 722) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:08,203 INFO L443 ceAbstractionStarter]: For program point L687(lines 687 693) no Hoare annotation was computed. [2019-10-07 15:15:08,203 INFO L443 ceAbstractionStarter]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2019-10-07 15:15:08,203 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 667 730) no Hoare annotation was computed. [2019-10-07 15:15:08,203 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-07 15:15:08,203 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-07 15:15:08,203 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 622 630) the Hoare annotation is: true [2019-10-07 15:15:08,204 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 622 630) no Hoare annotation was computed. [2019-10-07 15:15:08,204 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 590 612) no Hoare annotation was computed. [2019-10-07 15:15:08,204 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 590 612) no Hoare annotation was computed. [2019-10-07 15:15:08,204 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-07 15:15:08,204 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:15:08,204 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-07 15:15:08,205 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-07 15:15:08,205 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-07 15:15:08,205 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:15:08,205 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-07 15:15:08,205 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-07 15:15:08,205 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:15:08,205 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-07 15:15:08,205 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-07 15:15:08,206 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-07 15:15:08,206 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-07 15:15:08,206 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 633 642) no Hoare annotation was computed. [2019-10-07 15:15:08,206 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 633 642) no Hoare annotation was computed. [2019-10-07 15:15:08,206 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:15:08,206 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:08,206 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 820 827) no Hoare annotation was computed. [2019-10-07 15:15:08,206 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 820 827) no Hoare annotation was computed. [2019-10-07 15:15:08,207 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 613 621) no Hoare annotation was computed. [2019-10-07 15:15:08,207 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 613 621) no Hoare annotation was computed. [2019-10-07 15:15:08,207 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:08,207 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:15:08,207 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 569 580) the Hoare annotation is: true [2019-10-07 15:15:08,207 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 569 580) no Hoare annotation was computed. [2019-10-07 15:15:08,207 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 581 589) the Hoare annotation is: true [2019-10-07 15:15:08,208 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 581 589) no Hoare annotation was computed. [2019-10-07 15:15:08,208 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 737 760) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:15:08,208 INFO L439 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:15:08,208 INFO L439 ceAbstractionStarter]: At program point L748(lines 748 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:15:08,208 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 737 760) no Hoare annotation was computed. [2019-10-07 15:15:08,208 INFO L439 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:15:08,208 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 737 760) no Hoare annotation was computed. [2019-10-07 15:15:08,209 INFO L443 ceAbstractionStarter]: For program point L741(lines 740 759) no Hoare annotation was computed. [2019-10-07 15:15:08,209 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2019-10-07 15:15:08,209 INFO L446 ceAbstractionStarter]: At program point L447-2(lines 447 461) the Hoare annotation is: true [2019-10-07 15:15:08,209 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2019-10-07 15:15:08,209 INFO L446 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: true [2019-10-07 15:15:08,209 INFO L443 ceAbstractionStarter]: For program point L443-1(line 443) no Hoare annotation was computed. [2019-10-07 15:15:08,209 INFO L446 ceAbstractionStarter]: At program point L462(lines 437 466) the Hoare annotation is: true [2019-10-07 15:15:08,209 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-07 15:15:08,210 INFO L443 ceAbstractionStarter]: For program point L451(lines 451 455) no Hoare annotation was computed. [2019-10-07 15:15:08,210 INFO L446 ceAbstractionStarter]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2019-10-07 15:15:08,210 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 545 556) the Hoare annotation is: true [2019-10-07 15:15:08,210 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 545 556) no Hoare annotation was computed. [2019-10-07 15:15:08,210 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2019-10-07 15:15:08,210 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2019-10-07 15:15:08,210 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:08,211 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:08,211 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:15:08,211 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:15:08,211 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 557 568) no Hoare annotation was computed. [2019-10-07 15:15:08,211 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 557 568) the Hoare annotation is: true [2019-10-07 15:15:08,211 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 912 919) the Hoare annotation is: true [2019-10-07 15:15:08,212 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 916) no Hoare annotation was computed. [2019-10-07 15:15:08,212 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 912 919) no Hoare annotation was computed. [2019-10-07 15:15:08,212 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2019-10-07 15:15:08,212 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2019-10-07 15:15:08,212 INFO L446 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: true [2019-10-07 15:15:08,212 INFO L443 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2019-10-07 15:15:08,212 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2019-10-07 15:15:08,213 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2019-10-07 15:15:08,213 INFO L439 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:15:08,213 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2019-10-07 15:15:08,213 INFO L439 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:15:08,213 INFO L443 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2019-10-07 15:15:08,213 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 769 793) no Hoare annotation was computed. [2019-10-07 15:15:08,214 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 769 793) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:15:08,214 INFO L439 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:15:08,214 INFO L443 ceAbstractionStarter]: For program point L788-1(lines 769 793) no Hoare annotation was computed. [2019-10-07 15:15:08,214 INFO L439 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:15:08,214 INFO L439 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:15:08,214 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 785) no Hoare annotation was computed. [2019-10-07 15:15:08,214 INFO L439 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:15:08,215 INFO L443 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2019-10-07 15:15:08,215 INFO L443 ceAbstractionStarter]: For program point L773(lines 773 790) no Hoare annotation was computed. [2019-10-07 15:15:08,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:15:08 BoogieIcfgContainer [2019-10-07 15:15:08,229 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:15:08,232 INFO L168 Benchmark]: Toolchain (without parser) took 5600.16 ms. Allocated memory was 138.9 MB in the beginning and 287.8 MB in the end (delta: 148.9 MB). Free memory was 102.4 MB in the beginning and 245.7 MB in the end (delta: -143.2 MB). Peak memory consumption was 118.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:08,233 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:15:08,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.90 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 102.2 MB in the beginning and 170.4 MB in the end (delta: -68.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:08,235 INFO L168 Benchmark]: Boogie Preprocessor took 116.35 ms. Allocated memory is still 203.4 MB. Free memory was 170.4 MB in the beginning and 166.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:08,236 INFO L168 Benchmark]: RCFGBuilder took 1728.50 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 166.4 MB in the beginning and 148.3 MB in the end (delta: 18.1 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:08,237 INFO L168 Benchmark]: TraceAbstraction took 3066.96 ms. Allocated memory was 237.0 MB in the beginning and 287.8 MB in the end (delta: 50.9 MB). Free memory was 148.3 MB in the beginning and 245.7 MB in the end (delta: -97.4 MB). Peak memory consumption was 66.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:08,242 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.90 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 102.2 MB in the beginning and 170.4 MB in the end (delta: -68.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.35 ms. Allocated memory is still 203.4 MB. Free memory was 170.4 MB in the beginning and 166.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1728.50 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 166.4 MB in the beginning and 148.3 MB in the end (delta: 18.1 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3066.96 ms. Allocated memory was 237.0 MB in the beginning and 287.8 MB in the end (delta: 50.9 MB). Free memory was 148.3 MB in the beginning and 245.7 MB in the end (delta: -97.4 MB). Peak memory consumption was 66.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 916]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 176 locations, 1 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 507 SDtfs, 269 SDslu, 783 SDs, 0 SdLazy, 318 SolverSat, 101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 315 PreInvPairs, 327 NumberOfFragments, 466 HoareAnnotationTreeSize, 315 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 56 FomulaSimplificationsInter, 813 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 249 NumberOfCodeBlocks, 249 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 244 ConstructedInterpolants, 0 QuantifiedInterpolants, 23138 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...