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_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:29,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:29,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:29,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:29,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:29,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:29,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:29,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:29,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:29,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:29,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:29,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:29,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:29,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:29,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:29,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:29,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:29,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:29,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:29,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:29,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:29,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:29,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:29,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:29,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:29,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:29,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:29,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:29,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:29,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:29,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:29,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:29,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:29,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:29,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:29,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:29,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:29,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:29,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:29,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:29,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:29,435 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 [2019-10-13 23:14:29,450 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:29,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:29,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:29,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:29,452 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:29,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:29,452 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:29,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:29,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:29,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:29,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:29,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:29,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:29,454 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:29,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:29,454 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:29,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:29,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:29,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:29,455 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:29,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:29,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:29,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:29,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:29,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:29,457 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:29,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:29,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:29,457 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 [2019-10-13 23:14:29,792 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:29,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:29,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:29,818 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:29,819 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:29,820 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product25.cil.c [2019-10-13 23:14:29,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3b2e12b1/748162fca9094413a793ff9174fbdb2e/FLAG114a825e5 [2019-10-13 23:14:30,418 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:30,419 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product25.cil.c [2019-10-13 23:14:30,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3b2e12b1/748162fca9094413a793ff9174fbdb2e/FLAG114a825e5 [2019-10-13 23:14:30,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3b2e12b1/748162fca9094413a793ff9174fbdb2e [2019-10-13 23:14:30,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:30,776 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:30,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:30,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:30,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:30,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:30" (1/1) ... [2019-10-13 23:14:30,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@103d845f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:30, skipping insertion in model container [2019-10-13 23:14:30,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:30" (1/1) ... [2019-10-13 23:14:30,794 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:30,859 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:31,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:31,356 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:31,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:31,475 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:31,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:31 WrapperNode [2019-10-13 23:14:31,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:31,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:31,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:31,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:31,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:31" (1/1) ... [2019-10-13 23:14:31,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:31" (1/1) ... [2019-10-13 23:14:31,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:31" (1/1) ... [2019-10-13 23:14:31,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:31" (1/1) ... [2019-10-13 23:14:31,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:31" (1/1) ... [2019-10-13 23:14:31,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:31" (1/1) ... [2019-10-13 23:14:31,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:31" (1/1) ... [2019-10-13 23:14:31,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:14:31,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:14:31,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:14:31,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:14:31,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:31" (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 [2019-10-13 23:14:31,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:14:31,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:14:31,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:31,695 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:14:31,696 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:14:31,696 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:14:31,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:14:31,696 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:14:31,697 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:14:31,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 23:14:31,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:14:31,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:14:31,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:14:31,698 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:14:31,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:31,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:14:31,699 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:14:31,699 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:14:31,700 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:14:31,700 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 23:14:31,700 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:14:31,700 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:14:31,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:14:31,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:14:31,701 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:14:31,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 23:14:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:14:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:14:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:14:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:14:31,705 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:14:31,705 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:14:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:14:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:14:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:14:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:14:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:14:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:14:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:14:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:14:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:14:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:14:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:14:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:14:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 23:14:31,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:14:31,709 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:14:31,709 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:14:31,709 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:14:31,709 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:14:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:14:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:14:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:14:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:14:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:14:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:14:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:14:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:14:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 23:14:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 23:14:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:14:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:14:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:14:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:14:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:14:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:14:31,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:14:31,715 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:14:31,715 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:14:31,716 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:14:31,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:14:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:14:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:14:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:14:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:14:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:14:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:14:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:14:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:14:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:14:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:14:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:14:33,467 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:14:33,467 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:14:33,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:33 BoogieIcfgContainer [2019-10-13 23:14:33,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:14:33,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:14:33,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:14:33,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:14:33,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:30" (1/3) ... [2019-10-13 23:14:33,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215380a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:33, skipping insertion in model container [2019-10-13 23:14:33,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:31" (2/3) ... [2019-10-13 23:14:33,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215380a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:33, skipping insertion in model container [2019-10-13 23:14:33,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:33" (3/3) ... [2019-10-13 23:14:33,478 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product25.cil.c [2019-10-13 23:14:33,492 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:14:33,502 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:14:33,517 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:14:33,548 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:14:33,549 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:14:33,549 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:14:33,549 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:14:33,549 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:14:33,549 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:14:33,549 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:14:33,549 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:14:33,584 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2019-10-13 23:14:33,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:14:33,599 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:33,601 INFO L380 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] [2019-10-13 23:14:33,604 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:33,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:33,612 INFO L82 PathProgramCache]: Analyzing trace with hash 53100866, now seen corresponding path program 1 times [2019-10-13 23:14:33,627 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:33,627 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971448832] [2019-10-13 23:14:33,627 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:33,629 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:33,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:34,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:34,030 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971448832] [2019-10-13 23:14:34,031 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:34,031 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:14:34,031 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438311359] [2019-10-13 23:14:34,037 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:14:34,038 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:34,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:14:34,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:34,057 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 2 states. [2019-10-13 23:14:34,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:34,096 INFO L93 Difference]: Finished difference Result 175 states and 210 transitions. [2019-10-13 23:14:34,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:14:34,097 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:14:34,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:34,109 INFO L225 Difference]: With dead ends: 175 [2019-10-13 23:14:34,110 INFO L226 Difference]: Without dead ends: 88 [2019-10-13 23:14:34,114 INFO L600 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 [2019-10-13 23:14:34,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-13 23:14:34,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-10-13 23:14:34,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-10-13 23:14:34,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions. [2019-10-13 23:14:34,166 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 42 [2019-10-13 23:14:34,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:34,166 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 99 transitions. [2019-10-13 23:14:34,166 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:14:34,167 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2019-10-13 23:14:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:14:34,170 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:34,170 INFO L380 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] [2019-10-13 23:14:34,170 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:34,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:34,171 INFO L82 PathProgramCache]: Analyzing trace with hash 127613721, now seen corresponding path program 1 times [2019-10-13 23:14:34,171 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:34,171 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858448282] [2019-10-13 23:14:34,172 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:34,172 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:34,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:34,310 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858448282] [2019-10-13 23:14:34,311 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:34,311 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:14:34,312 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702398536] [2019-10-13 23:14:34,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:14:34,315 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:34,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:14:34,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:34,316 INFO L87 Difference]: Start difference. First operand 88 states and 99 transitions. Second operand 3 states. [2019-10-13 23:14:34,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:34,345 INFO L93 Difference]: Finished difference Result 133 states and 149 transitions. [2019-10-13 23:14:34,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:14:34,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:14:34,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:34,350 INFO L225 Difference]: With dead ends: 133 [2019-10-13 23:14:34,350 INFO L226 Difference]: Without dead ends: 80 [2019-10-13 23:14:34,352 INFO L600 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 [2019-10-13 23:14:34,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-10-13 23:14:34,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-10-13 23:14:34,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-10-13 23:14:34,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2019-10-13 23:14:34,365 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 43 [2019-10-13 23:14:34,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:34,365 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2019-10-13 23:14:34,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:14:34,365 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2019-10-13 23:14:34,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-13 23:14:34,367 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:34,367 INFO L380 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] [2019-10-13 23:14:34,368 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:34,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:34,368 INFO L82 PathProgramCache]: Analyzing trace with hash 2078981360, now seen corresponding path program 1 times [2019-10-13 23:14:34,369 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:34,369 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852016385] [2019-10-13 23:14:34,369 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:34,369 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:34,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:34,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:34,582 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852016385] [2019-10-13 23:14:34,582 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:34,582 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:34,582 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242421495] [2019-10-13 23:14:34,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:34,583 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:34,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:34,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:34,584 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand 7 states. [2019-10-13 23:14:34,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:34,902 INFO L93 Difference]: Finished difference Result 138 states and 155 transitions. [2019-10-13 23:14:34,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:14:34,903 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-10-13 23:14:34,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:34,905 INFO L225 Difference]: With dead ends: 138 [2019-10-13 23:14:34,905 INFO L226 Difference]: Without dead ends: 80 [2019-10-13 23:14:34,906 INFO L600 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 [2019-10-13 23:14:34,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-10-13 23:14:34,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-10-13 23:14:34,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-10-13 23:14:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2019-10-13 23:14:34,918 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 45 [2019-10-13 23:14:34,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:34,919 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2019-10-13 23:14:34,919 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:34,919 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2019-10-13 23:14:34,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:14:34,921 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:34,921 INFO L380 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] [2019-10-13 23:14:34,921 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:34,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:34,922 INFO L82 PathProgramCache]: Analyzing trace with hash 2043332481, now seen corresponding path program 1 times [2019-10-13 23:14:34,922 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:34,922 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672796721] [2019-10-13 23:14:34,923 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:34,923 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:34,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:35,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:35,096 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672796721] [2019-10-13 23:14:35,096 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:35,097 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:35,097 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101949388] [2019-10-13 23:14:35,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:35,098 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:35,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:35,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:35,098 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand 6 states. [2019-10-13 23:14:35,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:35,323 INFO L93 Difference]: Finished difference Result 189 states and 213 transitions. [2019-10-13 23:14:35,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:35,324 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-10-13 23:14:35,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:35,327 INFO L225 Difference]: With dead ends: 189 [2019-10-13 23:14:35,328 INFO L226 Difference]: Without dead ends: 131 [2019-10-13 23:14:35,330 INFO L600 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 [2019-10-13 23:14:35,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-13 23:14:35,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 127. [2019-10-13 23:14:35,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-10-13 23:14:35,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 140 transitions. [2019-10-13 23:14:35,356 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 140 transitions. Word has length 53 [2019-10-13 23:14:35,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:35,357 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 140 transitions. [2019-10-13 23:14:35,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:35,357 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 140 transitions. [2019-10-13 23:14:35,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 23:14:35,359 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:35,359 INFO L380 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] [2019-10-13 23:14:35,359 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:35,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:35,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1898700802, now seen corresponding path program 1 times [2019-10-13 23:14:35,360 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:35,360 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729843635] [2019-10-13 23:14:35,361 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:35,361 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:35,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:35,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:35,479 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729843635] [2019-10-13 23:14:35,479 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:35,480 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:35,480 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355316676] [2019-10-13 23:14:35,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:35,481 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:35,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:35,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:35,483 INFO L87 Difference]: Start difference. First operand 127 states and 140 transitions. Second operand 7 states. [2019-10-13 23:14:35,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:35,823 INFO L93 Difference]: Finished difference Result 199 states and 226 transitions. [2019-10-13 23:14:35,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:35,823 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-13 23:14:35,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:35,824 INFO L225 Difference]: With dead ends: 199 [2019-10-13 23:14:35,824 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:14:35,827 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 23:14:35,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:14:35,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:14:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:14:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:14:35,831 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-10-13 23:14:35,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:35,832 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:14:35,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:35,832 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:14:35,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:14:35,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:14:36,553 INFO L443 ceAbstractionStarter]: For program point L630(lines 630 634) no Hoare annotation was computed. [2019-10-13 23:14:36,553 INFO L443 ceAbstractionStarter]: For program point L624-2(lines 624 645) no Hoare annotation was computed. [2019-10-13 23:14:36,553 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 599 654) no Hoare annotation was computed. [2019-10-13 23:14:36,554 INFO L443 ceAbstractionStarter]: For program point L646(lines 623 647) no Hoare annotation was computed. [2019-10-13 23:14:36,554 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 599 654) no Hoare annotation was computed. [2019-10-13 23:14:36,554 INFO L443 ceAbstractionStarter]: For program point L700(line 700) no Hoare annotation was computed. [2019-10-13 23:14:36,554 INFO L443 ceAbstractionStarter]: For program point L700-1(line 700) no Hoare annotation was computed. [2019-10-13 23:14:36,554 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 655 714) no Hoare annotation was computed. [2019-10-13 23:14:36,554 INFO L443 ceAbstractionStarter]: For program point L687(lines 687 691) no Hoare annotation was computed. [2019-10-13 23:14:36,554 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 655 714) no Hoare annotation was computed. [2019-10-13 23:14:36,555 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 655 714) no Hoare annotation was computed. [2019-10-13 23:14:36,555 INFO L443 ceAbstractionStarter]: For program point L681-2(lines 681 706) no Hoare annotation was computed. [2019-10-13 23:14:36,555 INFO L443 ceAbstractionStarter]: For program point L707(lines 680 708) no Hoare annotation was computed. [2019-10-13 23:14:36,555 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 157 163) the Hoare annotation is: true [2019-10-13 23:14:36,555 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 157 163) no Hoare annotation was computed. [2019-10-13 23:14:36,556 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 164 172) no Hoare annotation was computed. [2019-10-13 23:14:36,556 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 164 172) the Hoare annotation is: true [2019-10-13 23:14:36,556 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 523 545) 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))) [2019-10-13 23:14:36,556 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2019-10-13 23:14:36,557 INFO L439 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:14:36,557 INFO L439 ceAbstractionStarter]: At program point L535-1(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:14:36,557 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 540) no Hoare annotation was computed. [2019-10-13 23:14:36,557 INFO L443 ceAbstractionStarter]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2019-10-13 23:14:36,557 INFO L443 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2019-10-13 23:14:36,558 INFO L439 ceAbstractionStarter]: At program point L530(line 530) 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))) [2019-10-13 23:14:36,558 INFO L439 ceAbstractionStarter]: At program point L529(line 529) 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))) [2019-10-13 23:14:36,558 INFO L439 ceAbstractionStarter]: At program point L529-1(line 529) 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))) [2019-10-13 23:14:36,558 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 482 505) no Hoare annotation was computed. [2019-10-13 23:14:36,558 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 482 505) no Hoare annotation was computed. [2019-10-13 23:14:36,558 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 482 505) no Hoare annotation was computed. [2019-10-13 23:14:36,559 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-13 23:14:36,559 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-13 23:14:36,559 INFO L443 ceAbstractionStarter]: For program point L498(line 498) no Hoare annotation was computed. [2019-10-13 23:14:36,559 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-13 23:14:36,559 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-13 23:14:36,559 INFO L443 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2019-10-13 23:14:36,559 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-13 23:14:36,560 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-13 23:14:36,560 INFO L443 ceAbstractionStarter]: For program point L492(line 492) no Hoare annotation was computed. [2019-10-13 23:14:36,560 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-13 23:14:36,560 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-13 23:14:36,560 INFO L443 ceAbstractionStarter]: For program point L489(line 489) no Hoare annotation was computed. [2019-10-13 23:14:36,560 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-13 23:14:36,560 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-13 23:14:36,561 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 320 328) no Hoare annotation was computed. [2019-10-13 23:14:36,561 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 320 328) the Hoare annotation is: true [2019-10-13 23:14:36,561 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 365 383) the Hoare annotation is: true [2019-10-13 23:14:36,561 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 365 383) no Hoare annotation was computed. [2019-10-13 23:14:36,561 INFO L446 ceAbstractionStarter]: At program point L372(line 372) the Hoare annotation is: true [2019-10-13 23:14:36,561 INFO L443 ceAbstractionStarter]: For program point L372-1(line 372) no Hoare annotation was computed. [2019-10-13 23:14:36,561 INFO L443 ceAbstractionStarter]: For program point L359(line 359) no Hoare annotation was computed. [2019-10-13 23:14:36,561 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 329 364) no Hoare annotation was computed. [2019-10-13 23:14:36,562 INFO L443 ceAbstractionStarter]: For program point L359-1(line 359) no Hoare annotation was computed. [2019-10-13 23:14:36,562 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 329 364) no Hoare annotation was computed. [2019-10-13 23:14:36,562 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 150 156) no Hoare annotation was computed. [2019-10-13 23:14:36,562 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 150 156) the Hoare annotation is: true [2019-10-13 23:14:36,562 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 553 598) no Hoare annotation was computed. [2019-10-13 23:14:36,562 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 553 598) no Hoare annotation was computed. [2019-10-13 23:14:36,562 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 866 911) no Hoare annotation was computed. [2019-10-13 23:14:36,563 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 866 911) no Hoare annotation was computed. [2019-10-13 23:14:36,563 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 513 522) 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))) [2019-10-13 23:14:36,563 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 513 522) no Hoare annotation was computed. [2019-10-13 23:14:36,563 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 513 522) no Hoare annotation was computed. [2019-10-13 23:14:36,563 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 309 319) no Hoare annotation was computed. [2019-10-13 23:14:36,563 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 309 319) no Hoare annotation was computed. [2019-10-13 23:14:36,563 INFO L443 ceAbstractionStarter]: For program point L314(line 314) no Hoare annotation was computed. [2019-10-13 23:14:36,564 INFO L443 ceAbstractionStarter]: For program point L314-1(line 314) no Hoare annotation was computed. [2019-10-13 23:14:36,564 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 301 308) the Hoare annotation is: true [2019-10-13 23:14:36,564 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 301 308) no Hoare annotation was computed. [2019-10-13 23:14:36,564 INFO L439 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:36,564 INFO L443 ceAbstractionStarter]: For program point L256-1(line 256) no Hoare annotation was computed. [2019-10-13 23:14:36,564 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 271) no Hoare annotation was computed. [2019-10-13 23:14:36,564 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 250 274) no Hoare annotation was computed. [2019-10-13 23:14:36,565 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 250 274) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:36,565 INFO L439 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:36,565 INFO L443 ceAbstractionStarter]: For program point L269-1(lines 250 274) no Hoare annotation was computed. [2019-10-13 23:14:36,565 INFO L439 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:36,565 INFO L439 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:36,565 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 266) no Hoare annotation was computed. [2019-10-13 23:14:36,566 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 242 248) no Hoare annotation was computed. [2019-10-13 23:14:36,566 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 242 248) the Hoare annotation is: true [2019-10-13 23:14:36,566 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 386 449) 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))) [2019-10-13 23:14:36,566 INFO L439 ceAbstractionStarter]: At program point L442(lines 395 443) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:36,566 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 386 449) no Hoare annotation was computed. [2019-10-13 23:14:36,567 INFO L439 ceAbstractionStarter]: At program point L432-2(lines 426 437) 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))) [2019-10-13 23:14:36,567 INFO L443 ceAbstractionStarter]: For program point L397(lines 396 441) no Hoare annotation was computed. [2019-10-13 23:14:36,567 INFO L439 ceAbstractionStarter]: At program point L418(line 418) 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))) [2019-10-13 23:14:36,567 INFO L443 ceAbstractionStarter]: For program point L416(lines 416 422) no Hoare annotation was computed. [2019-10-13 23:14:36,567 INFO L443 ceAbstractionStarter]: For program point L416-1(lines 416 422) no Hoare annotation was computed. [2019-10-13 23:14:36,567 INFO L439 ceAbstractionStarter]: At program point L408(line 408) 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))) [2019-10-13 23:14:36,568 INFO L439 ceAbstractionStarter]: At program point L439(lines 396 441) 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))) [2019-10-13 23:14:36,568 INFO L443 ceAbstractionStarter]: For program point L406(lines 406 412) no Hoare annotation was computed. [2019-10-13 23:14:36,568 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 406 412) no Hoare annotation was computed. [2019-10-13 23:14:36,568 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 386 449) no Hoare annotation was computed. [2019-10-13 23:14:36,568 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 820 865) no Hoare annotation was computed. [2019-10-13 23:14:36,568 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 820 865) no Hoare annotation was computed. [2019-10-13 23:14:36,569 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 275 282) no Hoare annotation was computed. [2019-10-13 23:14:36,569 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 275 282) no Hoare annotation was computed. [2019-10-13 23:14:36,569 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2019-10-13 23:14:36,569 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2019-10-13 23:14:36,569 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-13 23:14:36,569 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-13 23:14:36,569 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 140 149) no Hoare annotation was computed. [2019-10-13 23:14:36,570 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 140 149) no Hoare annotation was computed. [2019-10-13 23:14:36,570 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 717 819) no Hoare annotation was computed. [2019-10-13 23:14:36,570 INFO L443 ceAbstractionStarter]: For program point L766-2(lines 766 786) no Hoare annotation was computed. [2019-10-13 23:14:36,570 INFO L443 ceAbstractionStarter]: For program point L787(lines 765 788) no Hoare annotation was computed. [2019-10-13 23:14:36,570 INFO L443 ceAbstractionStarter]: For program point L746(lines 746 762) no Hoare annotation was computed. [2019-10-13 23:14:36,570 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 717 819) no Hoare annotation was computed. [2019-10-13 23:14:36,570 INFO L443 ceAbstractionStarter]: For program point L767(lines 766 786) no Hoare annotation was computed. [2019-10-13 23:14:36,571 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-13 23:14:36,571 INFO L443 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2019-10-13 23:14:36,571 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 804) no Hoare annotation was computed. [2019-10-13 23:14:36,571 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 717 819) no Hoare annotation was computed. [2019-10-13 23:14:36,571 INFO L443 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2019-10-13 23:14:36,571 INFO L443 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2019-10-13 23:14:36,571 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 745) no Hoare annotation was computed. [2019-10-13 23:14:36,572 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:14:36,572 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:36,572 INFO L443 ceAbstractionStarter]: For program point L289(line 289) no Hoare annotation was computed. [2019-10-13 23:14:36,572 INFO L443 ceAbstractionStarter]: For program point L289-1(line 289) no Hoare annotation was computed. [2019-10-13 23:14:36,572 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 284 300) no Hoare annotation was computed. [2019-10-13 23:14:36,572 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 284 300) no Hoare annotation was computed. [2019-10-13 23:14:36,572 INFO L443 ceAbstractionStarter]: For program point L295(line 295) no Hoare annotation was computed. [2019-10-13 23:14:36,572 INFO L443 ceAbstractionStarter]: For program point L295-1(lines 284 300) no Hoare annotation was computed. [2019-10-13 23:14:36,573 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 297) no Hoare annotation was computed. [2019-10-13 23:14:36,573 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2019-10-13 23:14:36,573 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-13 23:14:36,573 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2019-10-13 23:14:36,573 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-13 23:14:36,573 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:36,573 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:14:36,574 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-13 23:14:36,574 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-13 23:14:36,574 INFO L439 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:36,574 INFO L443 ceAbstractionStarter]: For program point L222(lines 221 240) no Hoare annotation was computed. [2019-10-13 23:14:36,574 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 218 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:36,574 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 218 241) no Hoare annotation was computed. [2019-10-13 23:14:36,574 INFO L439 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:36,575 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 218 241) no Hoare annotation was computed. [2019-10-13 23:14:36,575 INFO L439 ceAbstractionStarter]: At program point L229(lines 229 235) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:36,575 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 452 481) no Hoare annotation was computed. [2019-10-13 23:14:36,575 INFO L446 ceAbstractionStarter]: At program point L477(lines 452 481) the Hoare annotation is: true [2019-10-13 23:14:36,575 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 452 481) the Hoare annotation is: true [2019-10-13 23:14:36,575 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-13 23:14:36,575 INFO L443 ceAbstractionStarter]: For program point L466(lines 466 470) no Hoare annotation was computed. [2019-10-13 23:14:36,576 INFO L446 ceAbstractionStarter]: At program point L466-1(lines 466 470) the Hoare annotation is: true [2019-10-13 23:14:36,576 INFO L446 ceAbstractionStarter]: At program point L462-2(lines 462 476) the Hoare annotation is: true [2019-10-13 23:14:36,576 INFO L446 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: true [2019-10-13 23:14:36,576 INFO L443 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2019-10-13 23:14:36,576 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-13 23:14:36,576 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-13 23:14:36,576 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 506 512) no Hoare annotation was computed. [2019-10-13 23:14:36,577 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 506 512) the Hoare annotation is: true [2019-10-13 23:14:36,577 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:36,577 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:36,577 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:36,577 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:14:36,577 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-13 23:14:36,578 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2019-10-13 23:14:36,578 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2019-10-13 23:14:36,578 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 202 209) the Hoare annotation is: true [2019-10-13 23:14:36,578 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 202 209) no Hoare annotation was computed. [2019-10-13 23:14:36,578 INFO L439 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:36,578 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 176 200) the Hoare annotation is: true [2019-10-13 23:14:36,579 INFO L443 ceAbstractionStarter]: For program point L188(lines 188 194) no Hoare annotation was computed. [2019-10-13 23:14:36,579 INFO L439 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:14:36,579 INFO L443 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2019-10-13 23:14:36,579 INFO L443 ceAbstractionStarter]: For program point L184(lines 184 197) no Hoare annotation was computed. [2019-10-13 23:14:36,579 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 176 200) no Hoare annotation was computed. [2019-10-13 23:14:36,579 INFO L443 ceAbstractionStarter]: For program point L184-1(lines 176 200) no Hoare annotation was computed. [2019-10-13 23:14:36,579 INFO L446 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2019-10-13 23:14:36,580 INFO L443 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2019-10-13 23:14:36,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:14:36 BoogieIcfgContainer [2019-10-13 23:14:36,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:14:36,605 INFO L168 Benchmark]: Toolchain (without parser) took 5825.54 ms. Allocated memory was 134.7 MB in the beginning and 254.8 MB in the end (delta: 120.1 MB). Free memory was 98.8 MB in the beginning and 147.1 MB in the end (delta: -48.3 MB). Peak memory consumption was 139.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:36,606 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 134.7 MB. Free memory was 118.0 MB in the beginning and 117.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 23:14:36,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.83 ms. Allocated memory was 134.7 MB in the beginning and 202.9 MB in the end (delta: 68.2 MB). Free memory was 98.6 MB in the beginning and 169.5 MB in the end (delta: -70.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:36,611 INFO L168 Benchmark]: Boogie Preprocessor took 153.45 ms. Allocated memory is still 202.9 MB. Free memory was 169.5 MB in the beginning and 165.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:36,613 INFO L168 Benchmark]: RCFGBuilder took 1839.33 ms. Allocated memory was 202.9 MB in the beginning and 228.1 MB in the end (delta: 25.2 MB). Free memory was 165.8 MB in the beginning and 150.6 MB in the end (delta: 15.1 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:36,614 INFO L168 Benchmark]: TraceAbstraction took 3129.19 ms. Allocated memory was 228.1 MB in the beginning and 254.8 MB in the end (delta: 26.7 MB). Free memory was 150.6 MB in the beginning and 147.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 98.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:36,622 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 134.7 MB. Free memory was 118.0 MB in the beginning and 117.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 698.83 ms. Allocated memory was 134.7 MB in the beginning and 202.9 MB in the end (delta: 68.2 MB). Free memory was 98.6 MB in the beginning and 169.5 MB in the end (delta: -70.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 153.45 ms. Allocated memory is still 202.9 MB. Free memory was 169.5 MB in the beginning and 165.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1839.33 ms. Allocated memory was 202.9 MB in the beginning and 228.1 MB in the end (delta: 25.2 MB). Free memory was 165.8 MB in the beginning and 150.6 MB in the end (delta: 15.1 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3129.19 ms. Allocated memory was 228.1 MB in the beginning and 254.8 MB in the end (delta: 26.7 MB). Free memory was 150.6 MB in the beginning and 147.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 98.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: 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: 462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 173 locations, 1 error locations. Result: SAFE, OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 423 SDtfs, 220 SDslu, 640 SDs, 0 SdLazy, 277 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 221 PreInvPairs, 233 NumberOfFragments, 413 HoareAnnotationTreeSize, 221 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 703 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 239 NumberOfCodeBlocks, 239 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 234 ConstructedInterpolants, 0 QuantifiedInterpolants, 20768 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...