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_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:14:57,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:14:57,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:14:57,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:14:57,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:14:57,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:14:57,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:14:57,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:14:57,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:14:57,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:14:57,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:14:57,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:14:57,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:14:57,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:14:57,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:14:57,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:14:57,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:14:57,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:14:57,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:14:57,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:14:57,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:14:57,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:14:57,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:14:57,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:14:57,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:14:57,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:14:57,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:14:57,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:14:57,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:14:57,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:14:57,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:14:57,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:14:57,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:14:57,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:14:57,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:14:57,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:14:57,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:14:57,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:14:57,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:14:57,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:14:57,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:14:57,884 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 15:14:57,901 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:14:57,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:14:57,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:14:57,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:14:57,903 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:14:57,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:14:57,903 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:14:57,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:14:57,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:14:57,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:14:57,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:14:57,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:14:57,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:14:57,905 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:14:57,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:14:57,905 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:14:57,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:14:57,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:14:57,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:14:57,906 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:14:57,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:14:57,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:14:57,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:14:57,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:14:57,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:14:57,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:14:57,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:14:57,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:14:57,908 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 15:14:58,271 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:14:58,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:14:58,297 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:14:58,299 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:14:58,299 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:14:58,300 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c [2019-10-07 15:14:58,366 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90e5497de/6a81b2be1a7845c8ae482fea7ab87700/FLAG66f816ee8 [2019-10-07 15:14:58,942 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:14:58,943 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c [2019-10-07 15:14:58,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90e5497de/6a81b2be1a7845c8ae482fea7ab87700/FLAG66f816ee8 [2019-10-07 15:14:59,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90e5497de/6a81b2be1a7845c8ae482fea7ab87700 [2019-10-07 15:14:59,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:14:59,261 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:14:59,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:14:59,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:14:59,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:14:59,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:14:59" (1/1) ... [2019-10-07 15:14:59,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120087b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:59, skipping insertion in model container [2019-10-07 15:14:59,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:14:59" (1/1) ... [2019-10-07 15:14:59,279 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:14:59,351 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:14:59,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:14:59,828 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:14:59,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:14:59,958 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:14:59,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:59 WrapperNode [2019-10-07 15:14:59,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:14:59,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:14:59,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:14:59,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:14:59,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:59" (1/1) ... [2019-10-07 15:14:59,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:59" (1/1) ... [2019-10-07 15:14:59,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:59" (1/1) ... [2019-10-07 15:14:59,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:59" (1/1) ... [2019-10-07 15:15:00,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:59" (1/1) ... [2019-10-07 15:15:00,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:59" (1/1) ... [2019-10-07 15:15:00,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:59" (1/1) ... [2019-10-07 15:15:00,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:15:00,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:15:00,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:15:00,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:15:00,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:59" (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 15:15:00,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:15:00,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:15:00,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:00,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:00,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:15:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:15:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:15:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:15:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:15:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:15:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:15:00,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:15:00,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:00,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:00,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:00,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:15:00,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:15:00,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:15:00,149 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:15:00,149 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:15:00,149 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:15:00,149 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:15:00,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:15:00,150 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:15:00,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:15:00,150 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:15:00,150 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:15:00,150 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:15:00,151 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:15:00,151 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:15:00,151 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:15:00,151 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:15:00,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:15:00,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:15:00,152 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:15:00,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:15:00,152 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:15:00,152 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:15:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:15:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:15:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:15:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:15:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:15:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:15:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:15:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:15:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:15:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:15:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:15:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:15:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:15:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:15:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:15:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:15:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:15:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:15:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:15:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:15:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:15:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:15:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:15:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:15:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:15:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:15:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:15:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:15:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:15:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:15:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:15:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:15:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:15:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:15:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:15:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:15:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:15:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:15:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:15:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:15:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:15:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:15:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:15:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:15:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:15:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:15:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:15:01,871 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:15:01,872 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:15:01,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:01 BoogieIcfgContainer [2019-10-07 15:15:01,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:15:01,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:15:01,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:15:01,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:15:01,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:14:59" (1/3) ... [2019-10-07 15:15:01,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2aac1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:01, skipping insertion in model container [2019-10-07 15:15:01,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:59" (2/3) ... [2019-10-07 15:15:01,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2aac1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:01, skipping insertion in model container [2019-10-07 15:15:01,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:01" (3/3) ... [2019-10-07 15:15:01,886 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2019-10-07 15:15:01,899 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:15:01,911 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:15:01,927 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:15:01,974 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:15:01,975 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:15:01,975 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:15:01,975 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:15:01,975 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:15:01,976 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:15:01,976 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:15:01,976 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:15:02,007 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2019-10-07 15:15:02,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:15:02,019 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:02,020 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 15:15:02,025 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:02,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:02,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1126525289, now seen corresponding path program 1 times [2019-10-07 15:15:02,042 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:02,042 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:02,043 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:02,044 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:02,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:02,377 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 15:15:02,377 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:02,378 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:02,378 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:15:02,383 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:15:02,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:15:02,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:15:02,405 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 2 states. [2019-10-07 15:15:02,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:02,440 INFO L93 Difference]: Finished difference Result 189 states and 232 transitions. [2019-10-07 15:15:02,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:15:02,442 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:15:02,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:02,455 INFO L225 Difference]: With dead ends: 189 [2019-10-07 15:15:02,455 INFO L226 Difference]: Without dead ends: 95 [2019-10-07 15:15:02,460 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 15:15:02,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-07 15:15:02,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-10-07 15:15:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-10-07 15:15:02,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2019-10-07 15:15:02,514 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 42 [2019-10-07 15:15:02,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:02,515 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2019-10-07 15:15:02,515 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:15:02,515 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2019-10-07 15:15:02,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:15:02,519 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:02,519 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 15:15:02,519 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:02,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:02,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1376978921, now seen corresponding path program 1 times [2019-10-07 15:15:02,520 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:02,521 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:02,521 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:02,521 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:02,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:02,656 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 15:15:02,656 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:02,656 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:02,657 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:15:02,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:15:02,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:15:02,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:15:02,659 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 3 states. [2019-10-07 15:15:02,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:02,679 INFO L93 Difference]: Finished difference Result 140 states and 160 transitions. [2019-10-07 15:15:02,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:15:02,680 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:15:02,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:02,682 INFO L225 Difference]: With dead ends: 140 [2019-10-07 15:15:02,683 INFO L226 Difference]: Without dead ends: 87 [2019-10-07 15:15:02,684 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 15:15:02,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-10-07 15:15:02,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2019-10-07 15:15:02,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-10-07 15:15:02,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2019-10-07 15:15:02,707 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 43 [2019-10-07 15:15:02,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:02,711 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2019-10-07 15:15:02,711 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:15:02,711 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2019-10-07 15:15:02,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:15:02,715 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:02,715 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] [2019-10-07 15:15:02,715 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:02,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:02,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1672486949, now seen corresponding path program 1 times [2019-10-07 15:15:02,716 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:02,716 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:02,717 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:02,717 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:02,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:02,948 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 15:15:02,949 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:02,949 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:02,949 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:02,950 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:02,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:02,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:02,951 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand 7 states. [2019-10-07 15:15:03,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:03,480 INFO L93 Difference]: Finished difference Result 261 states and 310 transitions. [2019-10-07 15:15:03,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:15:03,481 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-07 15:15:03,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:03,487 INFO L225 Difference]: With dead ends: 261 [2019-10-07 15:15:03,488 INFO L226 Difference]: Without dead ends: 196 [2019-10-07 15:15:03,490 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 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 15:15:03,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-10-07 15:15:03,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 188. [2019-10-07 15:15:03,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-10-07 15:15:03,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 223 transitions. [2019-10-07 15:15:03,558 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 223 transitions. Word has length 46 [2019-10-07 15:15:03,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:03,559 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 223 transitions. [2019-10-07 15:15:03,559 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:03,559 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 223 transitions. [2019-10-07 15:15:03,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:15:03,564 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:03,564 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] [2019-10-07 15:15:03,565 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:03,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:03,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1357372014, now seen corresponding path program 1 times [2019-10-07 15:15:03,566 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:03,566 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:03,566 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:03,566 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:03,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:03,697 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 15:15:03,698 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:03,698 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:03,698 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:15:03,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:15:03,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:15:03,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:15:03,699 INFO L87 Difference]: Start difference. First operand 188 states and 223 transitions. Second operand 6 states. [2019-10-07 15:15:03,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:03,920 INFO L93 Difference]: Finished difference Result 505 states and 618 transitions. [2019-10-07 15:15:03,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:03,921 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-10-07 15:15:03,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:03,935 INFO L225 Difference]: With dead ends: 505 [2019-10-07 15:15:03,935 INFO L226 Difference]: Without dead ends: 339 [2019-10-07 15:15:03,937 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 15:15:03,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2019-10-07 15:15:03,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 327. [2019-10-07 15:15:03,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2019-10-07 15:15:04,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 392 transitions. [2019-10-07 15:15:04,002 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 392 transitions. Word has length 51 [2019-10-07 15:15:04,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:04,005 INFO L462 AbstractCegarLoop]: Abstraction has 327 states and 392 transitions. [2019-10-07 15:15:04,005 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:15:04,005 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 392 transitions. [2019-10-07 15:15:04,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:15:04,013 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:04,013 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] [2019-10-07 15:15:04,014 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:04,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:04,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1045789716, now seen corresponding path program 1 times [2019-10-07 15:15:04,019 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:04,019 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:04,019 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:04,020 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:04,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:04,171 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 15:15:04,172 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:04,172 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:04,172 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:04,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:04,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:04,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:04,174 INFO L87 Difference]: Start difference. First operand 327 states and 392 transitions. Second operand 7 states. [2019-10-07 15:15:04,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:04,517 INFO L93 Difference]: Finished difference Result 555 states and 692 transitions. [2019-10-07 15:15:04,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:04,517 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2019-10-07 15:15:04,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:04,518 INFO L225 Difference]: With dead ends: 555 [2019-10-07 15:15:04,518 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:15:04,520 INFO L606 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 [2019-10-07 15:15:04,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:15:04,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:15:04,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:15:04,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:15:04,522 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-10-07 15:15:04,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:04,522 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:15:04,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:04,522 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:15:04,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:15:04,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:15:05,431 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 260) no Hoare annotation was computed. [2019-10-07 15:15:05,431 INFO L443 ceAbstractionStarter]: For program point L250-2(lines 250 271) no Hoare annotation was computed. [2019-10-07 15:15:05,431 INFO L443 ceAbstractionStarter]: For program point L272(lines 249 273) no Hoare annotation was computed. [2019-10-07 15:15:05,432 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 225 280) no Hoare annotation was computed. [2019-10-07 15:15:05,432 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 225 280) no Hoare annotation was computed. [2019-10-07 15:15:05,432 INFO L443 ceAbstractionStarter]: For program point L313(lines 313 317) no Hoare annotation was computed. [2019-10-07 15:15:05,432 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 281 340) no Hoare annotation was computed. [2019-10-07 15:15:05,432 INFO L443 ceAbstractionStarter]: For program point L307-2(lines 307 332) no Hoare annotation was computed. [2019-10-07 15:15:05,432 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 281 340) no Hoare annotation was computed. [2019-10-07 15:15:05,432 INFO L443 ceAbstractionStarter]: For program point L333(lines 306 334) no Hoare annotation was computed. [2019-10-07 15:15:05,433 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 281 340) no Hoare annotation was computed. [2019-10-07 15:15:05,433 INFO L443 ceAbstractionStarter]: For program point L326(line 326) no Hoare annotation was computed. [2019-10-07 15:15:05,433 INFO L443 ceAbstractionStarter]: For program point L326-1(line 326) no Hoare annotation was computed. [2019-10-07 15:15:05,433 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 560 566) the Hoare annotation is: true [2019-10-07 15:15:05,433 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 560 566) no Hoare annotation was computed. [2019-10-07 15:15:05,433 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 567 575) no Hoare annotation was computed. [2019-10-07 15:15:05,434 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 567 575) the Hoare annotation is: true [2019-10-07 15:15:05,434 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 652 674) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:05,434 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 652 674) no Hoare annotation was computed. [2019-10-07 15:15:05,434 INFO L439 ceAbstractionStarter]: At program point L664(line 664) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:05,435 INFO L439 ceAbstractionStarter]: At program point L664-1(line 664) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:05,435 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 669) no Hoare annotation was computed. [2019-10-07 15:15:05,435 INFO L443 ceAbstractionStarter]: For program point L662-1(lines 662 669) no Hoare annotation was computed. [2019-10-07 15:15:05,435 INFO L443 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2019-10-07 15:15:05,435 INFO L439 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:05,435 INFO L439 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:05,436 INFO L439 ceAbstractionStarter]: At program point L658-1(line 658) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:05,436 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 610 633) no Hoare annotation was computed. [2019-10-07 15:15:05,436 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 610 633) no Hoare annotation was computed. [2019-10-07 15:15:05,436 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 610 633) no Hoare annotation was computed. [2019-10-07 15:15:05,436 INFO L443 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2019-10-07 15:15:05,436 INFO L443 ceAbstractionStarter]: For program point L627(line 627) no Hoare annotation was computed. [2019-10-07 15:15:05,437 INFO L443 ceAbstractionStarter]: For program point L626(line 626) no Hoare annotation was computed. [2019-10-07 15:15:05,437 INFO L443 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2019-10-07 15:15:05,437 INFO L443 ceAbstractionStarter]: For program point L624(line 624) no Hoare annotation was computed. [2019-10-07 15:15:05,437 INFO L443 ceAbstractionStarter]: For program point L623(line 623) no Hoare annotation was computed. [2019-10-07 15:15:05,437 INFO L443 ceAbstractionStarter]: For program point L622(line 622) no Hoare annotation was computed. [2019-10-07 15:15:05,437 INFO L443 ceAbstractionStarter]: For program point L621(line 621) no Hoare annotation was computed. [2019-10-07 15:15:05,437 INFO L443 ceAbstractionStarter]: For program point L620(line 620) no Hoare annotation was computed. [2019-10-07 15:15:05,438 INFO L443 ceAbstractionStarter]: For program point L619(line 619) no Hoare annotation was computed. [2019-10-07 15:15:05,438 INFO L443 ceAbstractionStarter]: For program point L618(line 618) no Hoare annotation was computed. [2019-10-07 15:15:05,438 INFO L443 ceAbstractionStarter]: For program point L617(line 617) no Hoare annotation was computed. [2019-10-07 15:15:05,438 INFO L443 ceAbstractionStarter]: For program point L616(line 616) no Hoare annotation was computed. [2019-10-07 15:15:05,438 INFO L443 ceAbstractionStarter]: For program point L615(line 615) no Hoare annotation was computed. [2019-10-07 15:15:05,438 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 830 844) no Hoare annotation was computed. [2019-10-07 15:15:05,438 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 830 844) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))))) [2019-10-07 15:15:05,439 INFO L439 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:15:05,439 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 840) no Hoare annotation was computed. [2019-10-07 15:15:05,439 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 766 774) no Hoare annotation was computed. [2019-10-07 15:15:05,439 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 766 774) the Hoare annotation is: true [2019-10-07 15:15:05,439 INFO L443 ceAbstractionStarter]: For program point L818-1(line 818) no Hoare annotation was computed. [2019-10-07 15:15:05,439 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 811 829) the Hoare annotation is: true [2019-10-07 15:15:05,439 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 811 829) no Hoare annotation was computed. [2019-10-07 15:15:05,440 INFO L446 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2019-10-07 15:15:05,440 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 775 810) no Hoare annotation was computed. [2019-10-07 15:15:05,440 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-10-07 15:15:05,440 INFO L443 ceAbstractionStarter]: For program point L805-1(line 805) no Hoare annotation was computed. [2019-10-07 15:15:05,440 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 775 810) no Hoare annotation was computed. [2019-10-07 15:15:05,440 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 553 559) no Hoare annotation was computed. [2019-10-07 15:15:05,441 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 553 559) the Hoare annotation is: true [2019-10-07 15:15:05,441 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 179 224) no Hoare annotation was computed. [2019-10-07 15:15:05,441 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 179 224) no Hoare annotation was computed. [2019-10-07 15:15:05,441 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 492 537) no Hoare annotation was computed. [2019-10-07 15:15:05,441 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 492 537) no Hoare annotation was computed. [2019-10-07 15:15:05,441 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 642 651) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:05,441 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 642 651) no Hoare annotation was computed. [2019-10-07 15:15:05,441 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 642 651) no Hoare annotation was computed. [2019-10-07 15:15:05,442 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 755 765) no Hoare annotation was computed. [2019-10-07 15:15:05,442 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 755 765) no Hoare annotation was computed. [2019-10-07 15:15:05,442 INFO L443 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2019-10-07 15:15:05,442 INFO L443 ceAbstractionStarter]: For program point L760-1(line 760) no Hoare annotation was computed. [2019-10-07 15:15:05,442 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 747 754) the Hoare annotation is: true [2019-10-07 15:15:05,442 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2019-10-07 15:15:05,442 INFO L439 ceAbstractionStarter]: At program point L733(line 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:05,443 INFO L443 ceAbstractionStarter]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2019-10-07 15:15:05,443 INFO L439 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:05,443 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 714 738) no Hoare annotation was computed. [2019-10-07 15:15:05,443 INFO L439 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:05,443 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 714 738) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:05,443 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 730) no Hoare annotation was computed. [2019-10-07 15:15:05,443 INFO L439 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:05,444 INFO L443 ceAbstractionStarter]: For program point L720-1(line 720) no Hoare annotation was computed. [2019-10-07 15:15:05,444 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 735) no Hoare annotation was computed. [2019-10-07 15:15:05,444 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2019-10-07 15:15:05,444 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2019-10-07 15:15:05,444 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 846 911) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:05,444 INFO L439 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:05,444 INFO L443 ceAbstractionStarter]: For program point L892(lines 892 898) no Hoare annotation was computed. [2019-10-07 15:15:05,445 INFO L439 ceAbstractionStarter]: At program point L892-1(lines 886 899) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:05,445 INFO L443 ceAbstractionStarter]: For program point L857(lines 856 903) no Hoare annotation was computed. [2019-10-07 15:15:05,445 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 846 911) no Hoare annotation was computed. [2019-10-07 15:15:05,445 INFO L443 ceAbstractionStarter]: For program point L886(lines 886 899) no Hoare annotation was computed. [2019-10-07 15:15:05,445 INFO L439 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:05,445 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 882) no Hoare annotation was computed. [2019-10-07 15:15:05,446 INFO L443 ceAbstractionStarter]: For program point L876-1(lines 876 882) no Hoare annotation was computed. [2019-10-07 15:15:05,446 INFO L439 ceAbstractionStarter]: At program point L901(lines 856 903) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:05,446 INFO L439 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:05,446 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2019-10-07 15:15:05,446 INFO L443 ceAbstractionStarter]: For program point L866-1(lines 866 872) no Hoare annotation was computed. [2019-10-07 15:15:05,446 INFO L439 ceAbstractionStarter]: At program point L904(lines 855 905) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:05,447 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 846 911) no Hoare annotation was computed. [2019-10-07 15:15:05,447 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 446 491) no Hoare annotation was computed. [2019-10-07 15:15:05,447 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 446 491) no Hoare annotation was computed. [2019-10-07 15:15:05,447 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 163 171) the Hoare annotation is: true [2019-10-07 15:15:05,447 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 163 171) no Hoare annotation was computed. [2019-10-07 15:15:05,447 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 131 153) no Hoare annotation was computed. [2019-10-07 15:15:05,447 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 131 153) no Hoare annotation was computed. [2019-10-07 15:15:05,448 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 343 445) no Hoare annotation was computed. [2019-10-07 15:15:05,448 INFO L443 ceAbstractionStarter]: For program point L413(lines 391 414) no Hoare annotation was computed. [2019-10-07 15:15:05,448 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 388) no Hoare annotation was computed. [2019-10-07 15:15:05,448 INFO L443 ceAbstractionStarter]: For program point L393(lines 392 412) no Hoare annotation was computed. [2019-10-07 15:15:05,448 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-07 15:15:05,448 INFO L443 ceAbstractionStarter]: For program point L424-1(line 424) no Hoare annotation was computed. [2019-10-07 15:15:05,448 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 343 445) no Hoare annotation was computed. [2019-10-07 15:15:05,449 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 430) no Hoare annotation was computed. [2019-10-07 15:15:05,449 INFO L443 ceAbstractionStarter]: For program point L408(line 408) no Hoare annotation was computed. [2019-10-07 15:15:05,449 INFO L443 ceAbstractionStarter]: For program point L408-1(line 408) no Hoare annotation was computed. [2019-10-07 15:15:05,449 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 343 445) no Hoare annotation was computed. [2019-10-07 15:15:05,449 INFO L443 ceAbstractionStarter]: For program point L367(lines 367 371) no Hoare annotation was computed. [2019-10-07 15:15:05,449 INFO L443 ceAbstractionStarter]: For program point L392-2(lines 392 412) no Hoare annotation was computed. [2019-10-07 15:15:05,449 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 543 552) no Hoare annotation was computed. [2019-10-07 15:15:05,449 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 543 552) no Hoare annotation was computed. [2019-10-07 15:15:05,450 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:15:05,450 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:05,450 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 739 746) no Hoare annotation was computed. [2019-10-07 15:15:05,450 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 739 746) no Hoare annotation was computed. [2019-10-07 15:15:05,450 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 154 162) no Hoare annotation was computed. [2019-10-07 15:15:05,450 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2019-10-07 15:15:05,450 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: true [2019-10-07 15:15:05,450 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2019-10-07 15:15:05,451 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:05,451 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:15:05,451 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2019-10-07 15:15:05,451 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2019-10-07 15:15:05,451 INFO L439 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-07 15:15:05,451 INFO L439 ceAbstractionStarter]: At program point L693(lines 693 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:15:05,451 INFO L439 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:15:05,452 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:15:05,452 INFO L443 ceAbstractionStarter]: For program point L686(lines 685 704) no Hoare annotation was computed. [2019-10-07 15:15:05,452 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2019-10-07 15:15:05,452 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2019-10-07 15:15:05,452 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 579 608) no Hoare annotation was computed. [2019-10-07 15:15:05,452 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 579 608) the Hoare annotation is: true [2019-10-07 15:15:05,452 INFO L446 ceAbstractionStarter]: At program point L604(lines 579 608) the Hoare annotation is: true [2019-10-07 15:15:05,452 INFO L443 ceAbstractionStarter]: For program point L600(line 600) no Hoare annotation was computed. [2019-10-07 15:15:05,453 INFO L443 ceAbstractionStarter]: For program point L593(lines 593 597) no Hoare annotation was computed. [2019-10-07 15:15:05,453 INFO L446 ceAbstractionStarter]: At program point L593-1(lines 593 597) the Hoare annotation is: true [2019-10-07 15:15:05,453 INFO L446 ceAbstractionStarter]: At program point L589-2(lines 589 603) the Hoare annotation is: true [2019-10-07 15:15:05,453 INFO L446 ceAbstractionStarter]: At program point L585(line 585) the Hoare annotation is: true [2019-10-07 15:15:05,453 INFO L443 ceAbstractionStarter]: For program point L585-1(line 585) no Hoare annotation was computed. [2019-10-07 15:15:05,453 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2019-10-07 15:15:05,453 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2019-10-07 15:15:05,453 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 634 640) no Hoare annotation was computed. [2019-10-07 15:15:05,454 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 634 640) the Hoare annotation is: true [2019-10-07 15:15:05,454 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:05,454 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 15:15:05,454 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:15:05,454 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:15:05,454 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2019-10-07 15:15:05,454 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: true [2019-10-07 15:15:05,455 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 69 76) the Hoare annotation is: true [2019-10-07 15:15:05,455 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 69 76) no Hoare annotation was computed. [2019-10-07 15:15:05,455 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-10-07 15:15:05,455 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-10-07 15:15:05,455 INFO L439 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:15:05,455 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-10-07 15:15:05,455 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-07 15:15:05,456 INFO L439 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:15:05,456 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-10-07 15:15:05,456 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-07 15:15:05,456 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-10-07 15:15:05,456 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-10-07 15:15:05,456 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-10-07 15:15:05,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:15:05 BoogieIcfgContainer [2019-10-07 15:15:05,489 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:15:05,493 INFO L168 Benchmark]: Toolchain (without parser) took 6230.63 ms. Allocated memory was 146.8 MB in the beginning and 282.6 MB in the end (delta: 135.8 MB). Free memory was 103.7 MB in the beginning and 184.4 MB in the end (delta: -80.6 MB). Peak memory consumption was 108.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:05,494 INFO L168 Benchmark]: CDTParser took 1.53 ms. Allocated memory is still 146.8 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 15:15:05,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.30 ms. Allocated memory was 146.8 MB in the beginning and 202.4 MB in the end (delta: 55.6 MB). Free memory was 103.5 MB in the beginning and 170.2 MB in the end (delta: -66.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:05,499 INFO L168 Benchmark]: Boogie Preprocessor took 106.18 ms. Allocated memory is still 202.4 MB. Free memory was 170.2 MB in the beginning and 166.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:05,501 INFO L168 Benchmark]: RCFGBuilder took 1808.75 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.2 MB in the beginning and 148.8 MB in the end (delta: 17.4 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:05,503 INFO L168 Benchmark]: TraceAbstraction took 3612.60 ms. Allocated memory was 234.9 MB in the beginning and 282.6 MB in the end (delta: 47.7 MB). Free memory was 148.8 MB in the beginning and 184.4 MB in the end (delta: -35.6 MB). Peak memory consumption was 65.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:05,513 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53 ms. Allocated memory is still 146.8 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 697.30 ms. Allocated memory was 146.8 MB in the beginning and 202.4 MB in the end (delta: 55.6 MB). Free memory was 103.5 MB in the beginning and 170.2 MB in the end (delta: -66.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.18 ms. Allocated memory is still 202.4 MB. Free memory was 170.2 MB in the beginning and 166.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1808.75 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.2 MB in the beginning and 148.8 MB in the end (delta: 17.4 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3612.60 ms. Allocated memory was 234.9 MB in the beginning and 282.6 MB in the end (delta: 47.7 MB). Free memory was 148.8 MB in the beginning and 184.4 MB in the end (delta: -35.6 MB). Peak memory consumption was 65.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 173 locations, 1 error locations. Result: SAFE, OverallTime: 3.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, HoareTripleCheckerStatistics: 519 SDtfs, 326 SDslu, 931 SDs, 0 SdLazy, 365 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=327occurred 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, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 430 PreInvPairs, 472 NumberOfFragments, 468 HoareAnnotationTreeSize, 430 FomulaSimplifications, 401 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 1763 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 231 ConstructedInterpolants, 0 QuantifiedInterpolants, 20569 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...