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_spec5_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:17:55,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:17:55,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:17:55,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:17:55,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:17:55,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:17:55,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:17:55,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:17:55,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:17:55,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:17:55,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:17:55,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:17:55,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:17:55,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:17:55,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:17:55,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:17:55,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:17:55,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:17:55,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:17:55,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:17:55,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:17:55,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:17:55,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:17:55,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:17:55,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:17:55,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:17:55,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:17:55,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:17:55,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:17:55,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:17:55,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:17:55,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:17:55,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:17:55,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:17:55,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:17:55,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:17:55,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:17:55,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:17:55,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:17:55,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:17:55,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:17:55,952 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 23:17:55,973 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:17:55,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:17:55,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:17:55,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:17:55,975 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:17:55,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:17:55,979 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:17:55,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:17:55,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:17:55,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:17:55,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:17:55,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:17:55,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:17:55,981 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:17:55,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:17:55,981 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:17:55,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:17:55,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:17:55,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:17:55,982 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:17:55,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:17:55,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:17:55,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:17:55,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:17:55,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:17:55,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:17:55,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:17:55,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:17:55,984 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 23:17:56,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:17:56,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:17:56,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:17:56,294 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:17:56,295 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:17:56,296 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c [2019-10-13 23:17:56,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79432902e/fc9a41a2a64e4928bf0ccd92c553881a/FLAG607524f0c [2019-10-13 23:17:56,956 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:17:56,957 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c [2019-10-13 23:17:56,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79432902e/fc9a41a2a64e4928bf0ccd92c553881a/FLAG607524f0c [2019-10-13 23:17:57,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79432902e/fc9a41a2a64e4928bf0ccd92c553881a [2019-10-13 23:17:57,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:17:57,227 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:17:57,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:57,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:17:57,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:17:57,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:57" (1/1) ... [2019-10-13 23:17:57,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc976e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:57, skipping insertion in model container [2019-10-13 23:17:57,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:57" (1/1) ... [2019-10-13 23:17:57,244 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:17:57,301 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:17:57,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:57,804 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:17:57,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:57,930 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:17:57,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:57 WrapperNode [2019-10-13 23:17:57,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:57,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:17:57,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:17:57,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:17:57,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:57" (1/1) ... [2019-10-13 23:17:57,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:57" (1/1) ... [2019-10-13 23:17:57,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:57" (1/1) ... [2019-10-13 23:17:57,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:57" (1/1) ... [2019-10-13 23:17:58,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:57" (1/1) ... [2019-10-13 23:17:58,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:57" (1/1) ... [2019-10-13 23:17:58,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:57" (1/1) ... [2019-10-13 23:17:58,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:17:58,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:17:58,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:17:58,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:17:58,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:57" (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 23:17:58,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:17:58,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:17:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:17:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:17:58,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:17:58,137 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:17:58,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:17:58,137 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:17:58,137 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:17:58,138 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:17:58,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:17:58,139 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:17:58,139 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:17:58,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 23:17:58,139 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:17:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:17:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:17:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:17:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:17:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:17:58,143 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 23:17:58,143 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:17:58,143 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:17:58,144 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:17:58,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:17:58,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:17:58,144 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:17:58,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 23:17:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:17:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:17:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:17:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:17:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:17:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:17:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:17:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:17:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:17:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:17:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:17:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:17:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:17:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:17:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:17:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:17:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:17:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:17:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:17:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:17:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:17:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:17:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:17:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:17:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:17:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:17:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:17:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 23:17:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:17:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:17:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:17:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:17:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:17:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:17:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:17:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:17:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:17:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 23:17:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 23:17:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:17:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:17:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:17:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:17:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:17:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:17:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:17:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:17:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:17:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:17:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:17:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:17:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:17:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:17:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:17:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:17:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:17:59,801 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:17:59,802 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:17:59,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:59 BoogieIcfgContainer [2019-10-13 23:17:59,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:17:59,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:17:59,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:17:59,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:17:59,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:17:57" (1/3) ... [2019-10-13 23:17:59,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd373e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:59, skipping insertion in model container [2019-10-13 23:17:59,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:57" (2/3) ... [2019-10-13 23:17:59,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd373e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:59, skipping insertion in model container [2019-10-13 23:17:59,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:59" (3/3) ... [2019-10-13 23:17:59,812 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product24.cil.c [2019-10-13 23:17:59,822 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:17:59,831 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:17:59,842 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:17:59,870 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:17:59,870 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:17:59,870 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:17:59,871 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:17:59,871 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:17:59,871 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:17:59,871 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:17:59,872 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:17:59,895 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2019-10-13 23:17:59,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:17:59,905 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:59,906 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:17:59,908 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:59,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:59,915 INFO L82 PathProgramCache]: Analyzing trace with hash -254447185, now seen corresponding path program 1 times [2019-10-13 23:17:59,925 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:59,925 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179202785] [2019-10-13 23:17:59,926 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:59,926 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:59,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:00,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:00,348 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179202785] [2019-10-13 23:18:00,349 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:00,350 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:18:00,350 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924420998] [2019-10-13 23:18:00,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:18:00,355 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:00,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:18:00,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:18:00,372 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2019-10-13 23:18:00,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:00,417 INFO L93 Difference]: Finished difference Result 240 states and 295 transitions. [2019-10-13 23:18:00,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:18:00,418 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 23:18:00,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:00,433 INFO L225 Difference]: With dead ends: 240 [2019-10-13 23:18:00,434 INFO L226 Difference]: Without dead ends: 122 [2019-10-13 23:18:00,439 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 23:18:00,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-10-13 23:18:00,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2019-10-13 23:18:00,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-10-13 23:18:00,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2019-10-13 23:18:00,503 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 52 [2019-10-13 23:18:00,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:00,504 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2019-10-13 23:18:00,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:18:00,504 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2019-10-13 23:18:00,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:18:00,508 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:00,509 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:18:00,509 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:00,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:00,510 INFO L82 PathProgramCache]: Analyzing trace with hash -95182280, now seen corresponding path program 1 times [2019-10-13 23:18:00,510 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:00,510 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796979392] [2019-10-13 23:18:00,511 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:00,511 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:00,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:00,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:00,671 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796979392] [2019-10-13 23:18:00,671 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:00,672 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:18:00,672 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111813444] [2019-10-13 23:18:00,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:18:00,674 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:00,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:18:00,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:18:00,675 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 3 states. [2019-10-13 23:18:00,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:00,706 INFO L93 Difference]: Finished difference Result 188 states and 220 transitions. [2019-10-13 23:18:00,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:18:00,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 23:18:00,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:00,713 INFO L225 Difference]: With dead ends: 188 [2019-10-13 23:18:00,714 INFO L226 Difference]: Without dead ends: 114 [2019-10-13 23:18:00,716 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 23:18:00,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-13 23:18:00,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-10-13 23:18:00,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-13 23:18:00,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2019-10-13 23:18:00,753 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 53 [2019-10-13 23:18:00,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:00,756 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2019-10-13 23:18:00,756 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:18:00,757 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2019-10-13 23:18:00,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 23:18:00,762 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:00,762 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:18:00,763 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:00,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:00,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1650479056, now seen corresponding path program 1 times [2019-10-13 23:18:00,772 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:00,772 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137483375] [2019-10-13 23:18:00,772 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:00,773 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:00,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:01,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:01,033 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137483375] [2019-10-13 23:18:01,034 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:01,034 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:18:01,034 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900596437] [2019-10-13 23:18:01,037 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:18:01,037 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:01,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:18:01,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:18:01,038 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 7 states. [2019-10-13 23:18:01,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:01,630 INFO L93 Difference]: Finished difference Result 342 states and 413 transitions. [2019-10-13 23:18:01,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:18:01,631 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-13 23:18:01,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:01,635 INFO L225 Difference]: With dead ends: 342 [2019-10-13 23:18:01,635 INFO L226 Difference]: Without dead ends: 253 [2019-10-13 23:18:01,637 INFO L600 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 [2019-10-13 23:18:01,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2019-10-13 23:18:01,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 241. [2019-10-13 23:18:01,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2019-10-13 23:18:01,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 290 transitions. [2019-10-13 23:18:01,701 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 290 transitions. Word has length 57 [2019-10-13 23:18:01,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:01,702 INFO L462 AbstractCegarLoop]: Abstraction has 241 states and 290 transitions. [2019-10-13 23:18:01,703 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:18:01,703 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 290 transitions. [2019-10-13 23:18:01,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 23:18:01,712 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:01,712 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:18:01,712 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:01,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:01,713 INFO L82 PathProgramCache]: Analyzing trace with hash -386683527, now seen corresponding path program 1 times [2019-10-13 23:18:01,713 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:01,713 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808459073] [2019-10-13 23:18:01,714 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:01,714 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:01,714 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:01,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:18:01,828 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808459073] [2019-10-13 23:18:01,829 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:01,829 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:18:01,829 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164141811] [2019-10-13 23:18:01,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:18:01,830 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:01,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:18:01,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:18:01,831 INFO L87 Difference]: Start difference. First operand 241 states and 290 transitions. Second operand 6 states. [2019-10-13 23:18:02,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:02,059 INFO L93 Difference]: Finished difference Result 395 states and 493 transitions. [2019-10-13 23:18:02,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:18:02,060 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-13 23:18:02,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:02,061 INFO L225 Difference]: With dead ends: 395 [2019-10-13 23:18:02,061 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:18:02,068 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 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 23:18:02,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:18:02,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:18:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:18:02,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:18:02,083 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-10-13 23:18:02,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:02,083 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:18:02,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:18:02,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:18:02,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:18:02,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:18:02,815 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 642) no Hoare annotation was computed. [2019-10-13 23:18:02,815 INFO L443 ceAbstractionStarter]: For program point L632-2(lines 632 653) no Hoare annotation was computed. [2019-10-13 23:18:02,815 INFO L443 ceAbstractionStarter]: For program point L654(lines 631 655) no Hoare annotation was computed. [2019-10-13 23:18:02,815 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 607 662) no Hoare annotation was computed. [2019-10-13 23:18:02,815 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 607 662) no Hoare annotation was computed. [2019-10-13 23:18:02,816 INFO L443 ceAbstractionStarter]: For program point L695(lines 695 699) no Hoare annotation was computed. [2019-10-13 23:18:02,816 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 663 722) no Hoare annotation was computed. [2019-10-13 23:18:02,816 INFO L443 ceAbstractionStarter]: For program point L689-2(lines 689 714) no Hoare annotation was computed. [2019-10-13 23:18:02,816 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 663 722) no Hoare annotation was computed. [2019-10-13 23:18:02,816 INFO L443 ceAbstractionStarter]: For program point L715(lines 688 716) no Hoare annotation was computed. [2019-10-13 23:18:02,816 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 663 722) no Hoare annotation was computed. [2019-10-13 23:18:02,816 INFO L443 ceAbstractionStarter]: For program point L708(line 708) no Hoare annotation was computed. [2019-10-13 23:18:02,816 INFO L443 ceAbstractionStarter]: For program point L708-1(line 708) no Hoare annotation was computed. [2019-10-13 23:18:02,817 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 258 264) the Hoare annotation is: true [2019-10-13 23:18:02,817 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 258 264) no Hoare annotation was computed. [2019-10-13 23:18:02,817 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 265 273) no Hoare annotation was computed. [2019-10-13 23:18:02,817 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 265 273) the Hoare annotation is: true [2019-10-13 23:18:02,817 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 923 930) the Hoare annotation is: true [2019-10-13 23:18:02,817 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 923 930) no Hoare annotation was computed. [2019-10-13 23:18:02,817 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 931 940) the Hoare annotation is: true [2019-10-13 23:18:02,817 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 931 940) no Hoare annotation was computed. [2019-10-13 23:18:02,817 INFO L443 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2019-10-13 23:18:02,817 INFO L439 ceAbstractionStarter]: At program point L956(line 956) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:18:02,818 INFO L443 ceAbstractionStarter]: For program point L954(lines 954 960) no Hoare annotation was computed. [2019-10-13 23:18:02,818 INFO L443 ceAbstractionStarter]: For program point L953(lines 953 963) no Hoare annotation was computed. [2019-10-13 23:18:02,818 INFO L446 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2019-10-13 23:18:02,818 INFO L443 ceAbstractionStarter]: For program point L951-1(line 951) no Hoare annotation was computed. [2019-10-13 23:18:02,818 INFO L443 ceAbstractionStarter]: For program point L949(lines 949 966) no Hoare annotation was computed. [2019-10-13 23:18:02,818 INFO L443 ceAbstractionStarter]: For program point L949-1(lines 941 969) no Hoare annotation was computed. [2019-10-13 23:18:02,818 INFO L446 ceAbstractionStarter]: At program point L947(line 947) the Hoare annotation is: true [2019-10-13 23:18:02,818 INFO L443 ceAbstractionStarter]: For program point L947-1(line 947) no Hoare annotation was computed. [2019-10-13 23:18:02,818 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 941 969) the Hoare annotation is: true [2019-10-13 23:18:02,818 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 941 969) no Hoare annotation was computed. [2019-10-13 23:18:02,819 INFO L439 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:18:02,819 INFO L439 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:18:02,819 INFO L439 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:18:02,819 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:18:02,819 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2019-10-13 23:18:02,819 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:02,820 INFO L439 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:02,820 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-10-13 23:18:02,820 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2019-10-13 23:18:02,820 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-13 23:18:02,820 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:18:02,820 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-13 23:18:02,820 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:18:02,820 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-13 23:18:02,820 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:18:02,821 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 23:18:02,821 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-13 23:18:02,821 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-13 23:18:02,821 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 23:18:02,821 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-13 23:18:02,821 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-13 23:18:02,821 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 23:18:02,821 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-13 23:18:02,821 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-13 23:18:02,821 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 23:18:02,822 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-13 23:18:02,822 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-13 23:18:02,822 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 462 476) no Hoare annotation was computed. [2019-10-13 23:18:02,822 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 462 476) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~systemActive~0)) (= |old(~systemActive~0)| 0)) (or .cse0 (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)))) [2019-10-13 23:18:02,822 INFO L439 ceAbstractionStarter]: At program point L468(line 468) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:18:02,822 INFO L443 ceAbstractionStarter]: For program point L466(lines 466 472) no Hoare annotation was computed. [2019-10-13 23:18:02,822 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 398 406) no Hoare annotation was computed. [2019-10-13 23:18:02,823 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 398 406) the Hoare annotation is: true [2019-10-13 23:18:02,823 INFO L443 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-10-13 23:18:02,823 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2019-10-13 23:18:02,823 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2019-10-13 23:18:02,823 INFO L446 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2019-10-13 23:18:02,823 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-13 23:18:02,823 INFO L443 ceAbstractionStarter]: For program point L437-1(line 437) no Hoare annotation was computed. [2019-10-13 23:18:02,823 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 407 442) no Hoare annotation was computed. [2019-10-13 23:18:02,824 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 407 442) no Hoare annotation was computed. [2019-10-13 23:18:02,824 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 251 257) no Hoare annotation was computed. [2019-10-13 23:18:02,824 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 251 257) the Hoare annotation is: true [2019-10-13 23:18:02,824 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 561 606) no Hoare annotation was computed. [2019-10-13 23:18:02,824 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 561 606) no Hoare annotation was computed. [2019-10-13 23:18:02,824 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 874 919) no Hoare annotation was computed. [2019-10-13 23:18:02,824 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 874 919) no Hoare annotation was computed. [2019-10-13 23:18:02,825 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:18:02,825 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:18:02,825 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2019-10-13 23:18:02,825 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2019-10-13 23:18:02,825 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 387 397) the Hoare annotation is: true [2019-10-13 23:18:02,825 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 387 397) no Hoare annotation was computed. [2019-10-13 23:18:02,825 INFO L446 ceAbstractionStarter]: At program point L392(line 392) the Hoare annotation is: true [2019-10-13 23:18:02,825 INFO L443 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2019-10-13 23:18:02,826 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 379 386) the Hoare annotation is: true [2019-10-13 23:18:02,826 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 379 386) no Hoare annotation was computed. [2019-10-13 23:18:02,826 INFO L439 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:18:02,826 INFO L443 ceAbstractionStarter]: For program point L352-1(line 352) no Hoare annotation was computed. [2019-10-13 23:18:02,826 INFO L443 ceAbstractionStarter]: For program point L350(lines 350 367) no Hoare annotation was computed. [2019-10-13 23:18:02,826 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 346 370) no Hoare annotation was computed. [2019-10-13 23:18:02,826 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 346 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (= ~systemActive~0 0)) [2019-10-13 23:18:02,827 INFO L439 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (= ~systemActive~0 0)) [2019-10-13 23:18:02,827 INFO L443 ceAbstractionStarter]: For program point L365-1(lines 346 370) no Hoare annotation was computed. [2019-10-13 23:18:02,827 INFO L439 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:18:02,827 INFO L439 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:18:02,827 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 362) no Hoare annotation was computed. [2019-10-13 23:18:02,827 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 312 318) no Hoare annotation was computed. [2019-10-13 23:18:02,827 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 312 318) the Hoare annotation is: true [2019-10-13 23:18:02,827 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 486 553) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:18:02,828 INFO L439 ceAbstractionStarter]: At program point L543(lines 496 545) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:02,828 INFO L439 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:02,828 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 512) no Hoare annotation was computed. [2019-10-13 23:18:02,828 INFO L443 ceAbstractionStarter]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2019-10-13 23:18:02,828 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 486 553) no Hoare annotation was computed. [2019-10-13 23:18:02,828 INFO L439 ceAbstractionStarter]: At program point L546(lines 495 547) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:02,829 INFO L439 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:02,829 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2019-10-13 23:18:02,829 INFO L439 ceAbstractionStarter]: At program point L534-1(lines 526 541) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:02,829 INFO L443 ceAbstractionStarter]: For program point L497(lines 496 545) no Hoare annotation was computed. [2019-10-13 23:18:02,829 INFO L439 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:02,829 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 541) no Hoare annotation was computed. [2019-10-13 23:18:02,829 INFO L439 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:02,830 INFO L443 ceAbstractionStarter]: For program point L516(lines 516 522) no Hoare annotation was computed. [2019-10-13 23:18:02,830 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 516 522) no Hoare annotation was computed. [2019-10-13 23:18:02,830 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 486 553) no Hoare annotation was computed. [2019-10-13 23:18:02,830 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 828 873) no Hoare annotation was computed. [2019-10-13 23:18:02,830 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 828 873) no Hoare annotation was computed. [2019-10-13 23:18:02,830 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 230 238) the Hoare annotation is: true [2019-10-13 23:18:02,830 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 230 238) no Hoare annotation was computed. [2019-10-13 23:18:02,831 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 198 220) no Hoare annotation was computed. [2019-10-13 23:18:02,831 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 198 220) no Hoare annotation was computed. [2019-10-13 23:18:02,831 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 241 250) no Hoare annotation was computed. [2019-10-13 23:18:02,831 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 241 250) no Hoare annotation was computed. [2019-10-13 23:18:02,831 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 725 827) no Hoare annotation was computed. [2019-10-13 23:18:02,831 INFO L443 ceAbstractionStarter]: For program point L795(lines 773 796) no Hoare annotation was computed. [2019-10-13 23:18:02,831 INFO L443 ceAbstractionStarter]: For program point L754(lines 754 770) no Hoare annotation was computed. [2019-10-13 23:18:02,831 INFO L443 ceAbstractionStarter]: For program point L775(lines 774 794) no Hoare annotation was computed. [2019-10-13 23:18:02,832 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-10-13 23:18:02,832 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 725 827) no Hoare annotation was computed. [2019-10-13 23:18:02,832 INFO L443 ceAbstractionStarter]: For program point L806-1(line 806) no Hoare annotation was computed. [2019-10-13 23:18:02,832 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 812) no Hoare annotation was computed. [2019-10-13 23:18:02,832 INFO L443 ceAbstractionStarter]: For program point L790(line 790) no Hoare annotation was computed. [2019-10-13 23:18:02,832 INFO L443 ceAbstractionStarter]: For program point L790-1(line 790) no Hoare annotation was computed. [2019-10-13 23:18:02,832 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 725 827) no Hoare annotation was computed. [2019-10-13 23:18:02,832 INFO L443 ceAbstractionStarter]: For program point L749(lines 749 753) no Hoare annotation was computed. [2019-10-13 23:18:02,833 INFO L443 ceAbstractionStarter]: For program point L774-2(lines 774 794) no Hoare annotation was computed. [2019-10-13 23:18:02,833 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:18:02,833 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:18:02,833 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 371 378) no Hoare annotation was computed. [2019-10-13 23:18:02,833 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 371 378) no Hoare annotation was computed. [2019-10-13 23:18:02,833 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 221 229) the Hoare annotation is: true [2019-10-13 23:18:02,833 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 221 229) no Hoare annotation was computed. [2019-10-13 23:18:02,834 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 177 188) the Hoare annotation is: true [2019-10-13 23:18:02,834 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 177 188) no Hoare annotation was computed. [2019-10-13 23:18:02,834 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:18:02,834 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:18:02,834 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 285 311) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:18:02,834 INFO L439 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-13 23:18:02,834 INFO L439 ceAbstractionStarter]: At program point L299(lines 299 305) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:18:02,835 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 285 311) no Hoare annotation was computed. [2019-10-13 23:18:02,835 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 285 311) no Hoare annotation was computed. [2019-10-13 23:18:02,835 INFO L439 ceAbstractionStarter]: At program point L294(line 294) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:18:02,835 INFO L443 ceAbstractionStarter]: For program point L292(lines 288 310) no Hoare annotation was computed. [2019-10-13 23:18:02,835 INFO L443 ceAbstractionStarter]: For program point L290(lines 288 310) no Hoare annotation was computed. [2019-10-13 23:18:02,835 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-13 23:18:02,835 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-13 23:18:02,835 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-13 23:18:02,836 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-13 23:18:02,836 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-13 23:18:02,836 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-13 23:18:02,836 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-13 23:18:02,836 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-13 23:18:02,836 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-13 23:18:02,836 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 189 197) the Hoare annotation is: true [2019-10-13 23:18:02,836 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 189 197) no Hoare annotation was computed. [2019-10-13 23:18:02,837 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 153 164) the Hoare annotation is: true [2019-10-13 23:18:02,837 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 153 164) no Hoare annotation was computed. [2019-10-13 23:18:02,837 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-13 23:18:02,837 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-13 23:18:02,837 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:18:02,837 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-13 23:18:02,837 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:18:02,837 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:18:02,838 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 477 484) no Hoare annotation was computed. [2019-10-13 23:18:02,838 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 477 484) the Hoare annotation is: true [2019-10-13 23:18:02,838 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 165 176) no Hoare annotation was computed. [2019-10-13 23:18:02,838 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 165 176) the Hoare annotation is: true [2019-10-13 23:18:02,838 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 971 978) the Hoare annotation is: true [2019-10-13 23:18:02,838 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 975) no Hoare annotation was computed. [2019-10-13 23:18:02,838 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 971 978) no Hoare annotation was computed. [2019-10-13 23:18:02,838 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 320 344) no Hoare annotation was computed. [2019-10-13 23:18:02,839 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 320 344) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (= ~systemActive~0 0)) [2019-10-13 23:18:02,839 INFO L439 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (= ~systemActive~0 0)) [2019-10-13 23:18:02,839 INFO L443 ceAbstractionStarter]: For program point L339-1(lines 320 344) no Hoare annotation was computed. [2019-10-13 23:18:02,839 INFO L439 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:18:02,839 INFO L439 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:18:02,839 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 336) no Hoare annotation was computed. [2019-10-13 23:18:02,839 INFO L439 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:18:02,840 INFO L443 ceAbstractionStarter]: For program point L326-1(line 326) no Hoare annotation was computed. [2019-10-13 23:18:02,840 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 341) no Hoare annotation was computed. [2019-10-13 23:18:02,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:18:02 BoogieIcfgContainer [2019-10-13 23:18:02,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:18:02,858 INFO L168 Benchmark]: Toolchain (without parser) took 5629.28 ms. Allocated memory was 139.5 MB in the beginning and 246.4 MB in the end (delta: 107.0 MB). Free memory was 103.4 MB in the beginning and 124.6 MB in the end (delta: -21.2 MB). Peak memory consumption was 122.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:02,859 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 23:18:02,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.44 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 103.2 MB in the beginning and 169.6 MB in the end (delta: -66.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:02,861 INFO L168 Benchmark]: Boogie Preprocessor took 115.16 ms. Allocated memory is still 203.4 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:02,862 INFO L168 Benchmark]: RCFGBuilder took 1756.25 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 165.6 MB in the beginning and 146.9 MB in the end (delta: 18.6 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:02,863 INFO L168 Benchmark]: TraceAbstraction took 3050.05 ms. Allocated memory was 235.9 MB in the beginning and 246.4 MB in the end (delta: 10.5 MB). Free memory was 146.9 MB in the beginning and 124.6 MB in the end (delta: 22.3 MB). Peak memory consumption was 69.5 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:02,867 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 703.44 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 103.2 MB in the beginning and 169.6 MB in the end (delta: -66.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.16 ms. Allocated memory is still 203.4 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1756.25 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 165.6 MB in the beginning and 146.9 MB in the end (delta: 18.6 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3050.05 ms. Allocated memory was 235.9 MB in the beginning and 246.4 MB in the end (delta: 10.5 MB). Free memory was 146.9 MB in the beginning and 124.6 MB in the end (delta: 22.3 MB). Peak memory consumption was 69.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 975]: 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: 496]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 194 locations, 1 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 550 SDtfs, 297 SDslu, 859 SDs, 0 SdLazy, 310 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=241occurred in iteration=3, 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, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 352 PreInvPairs, 376 NumberOfFragments, 459 HoareAnnotationTreeSize, 352 FomulaSimplifications, 135 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 65 FomulaSimplificationsInter, 743 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 17913 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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...