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_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:19,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:19,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:19,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:19,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:19,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:19,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:19,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:19,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:19,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:19,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:19,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:19,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:19,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:19,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:19,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:19,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:19,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:19,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:19,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:19,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:19,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:19,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:19,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:19,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:19,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:19,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:19,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:19,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:19,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:19,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:19,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:19,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:19,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:19,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:19,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:19,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:19,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:19,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:19,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:19,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:19,998 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:14:20,012 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:20,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:20,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:20,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:20,014 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:20,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:20,015 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:20,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:20,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:20,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:20,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:20,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:20,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:20,016 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:20,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:20,016 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:20,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:20,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:20,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:20,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:20,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:20,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:20,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:20,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:20,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:20,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:20,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:20,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:20,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:14:20,354 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:20,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:20,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:20,373 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:20,373 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:20,374 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product14.cil.c [2019-10-13 23:14:20,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa6aa260/fd2d52ad6e11483b80274189990076a8/FLAGeb80c8972 [2019-10-13 23:14:20,992 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:20,993 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product14.cil.c [2019-10-13 23:14:21,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa6aa260/fd2d52ad6e11483b80274189990076a8/FLAGeb80c8972 [2019-10-13 23:14:21,314 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa6aa260/fd2d52ad6e11483b80274189990076a8 [2019-10-13 23:14:21,324 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:21,326 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:21,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:21,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:21,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:21,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:21" (1/1) ... [2019-10-13 23:14:21,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af291a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:21, skipping insertion in model container [2019-10-13 23:14:21,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:21" (1/1) ... [2019-10-13 23:14:21,343 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:21,383 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:21,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:21,898 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:22,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:22,043 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:22,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:22 WrapperNode [2019-10-13 23:14:22,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:22,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:22,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:22,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:22,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:22" (1/1) ... [2019-10-13 23:14:22,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:22" (1/1) ... [2019-10-13 23:14:22,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:22" (1/1) ... [2019-10-13 23:14:22,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:22" (1/1) ... [2019-10-13 23:14:22,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:22" (1/1) ... [2019-10-13 23:14:22,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:22" (1/1) ... [2019-10-13 23:14:22,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:22" (1/1) ... [2019-10-13 23:14:22,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:14:22,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:14:22,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:14:22,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:14:22,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:14:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:14:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:14:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:14:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:14:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:14:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:14:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:14:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:14:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:14:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:14:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:14:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:14:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:14:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:14:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:14:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:14:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:14:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:14:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:14:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:14:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:14:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 23:14:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:14:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-13 23:14:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:14:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:14:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:14:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:14:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:14:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:14:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:14:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:14:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:14:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:14:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:14:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:14:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:14:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:14:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:14:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:14:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:14:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:14:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:14:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:14:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:14:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:14:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:14:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:14:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:14:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:14:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:14:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:14:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:14:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:14:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:14:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:14:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:14:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:14:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:14:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:14:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:14:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:14:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:14:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:14:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:14:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:14:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:14:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:14:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:14:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:14:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 23:14:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:14:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-13 23:14:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:14:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:14:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:14:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:14:23,769 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:14:23,770 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:14:23,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:23 BoogieIcfgContainer [2019-10-13 23:14:23,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:14:23,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:14:23,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:14:23,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:14:23,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:21" (1/3) ... [2019-10-13 23:14:23,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@946c5a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:23, skipping insertion in model container [2019-10-13 23:14:23,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:22" (2/3) ... [2019-10-13 23:14:23,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@946c5a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:23, skipping insertion in model container [2019-10-13 23:14:23,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:23" (3/3) ... [2019-10-13 23:14:23,781 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14.cil.c [2019-10-13 23:14:23,793 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:14:23,803 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:14:23,816 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:14:23,847 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:14:23,848 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:14:23,848 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:14:23,848 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:14:23,848 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:14:23,849 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:14:23,849 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:14:23,849 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:14:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2019-10-13 23:14:23,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:14:23,891 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:23,892 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:23,894 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:23,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:23,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1806007549, now seen corresponding path program 1 times [2019-10-13 23:14:23,910 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:23,911 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124765290] [2019-10-13 23:14:23,911 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:23,912 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:23,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:24,340 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124765290] [2019-10-13 23:14:24,340 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:24,341 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:14:24,342 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157338792] [2019-10-13 23:14:24,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:14:24,347 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:24,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:14:24,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:24,368 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 2 states. [2019-10-13 23:14:24,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:24,424 INFO L93 Difference]: Finished difference Result 179 states and 218 transitions. [2019-10-13 23:14:24,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:14:24,426 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:14:24,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:24,443 INFO L225 Difference]: With dead ends: 179 [2019-10-13 23:14:24,443 INFO L226 Difference]: Without dead ends: 90 [2019-10-13 23:14:24,452 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:24,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-13 23:14:24,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-10-13 23:14:24,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-10-13 23:14:24,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2019-10-13 23:14:24,535 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 42 [2019-10-13 23:14:24,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:24,536 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2019-10-13 23:14:24,536 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:14:24,537 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2019-10-13 23:14:24,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:14:24,540 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:24,540 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:24,540 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:24,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:24,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1566500539, now seen corresponding path program 1 times [2019-10-13 23:14:24,541 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:24,542 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000012317] [2019-10-13 23:14:24,542 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:24,542 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:24,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:24,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:24,700 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000012317] [2019-10-13 23:14:24,700 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:24,701 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:14:24,701 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073733263] [2019-10-13 23:14:24,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:14:24,703 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:24,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:14:24,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:24,704 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 3 states. [2019-10-13 23:14:24,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:24,741 INFO L93 Difference]: Finished difference Result 133 states and 152 transitions. [2019-10-13 23:14:24,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:14:24,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:14:24,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:24,744 INFO L225 Difference]: With dead ends: 133 [2019-10-13 23:14:24,744 INFO L226 Difference]: Without dead ends: 82 [2019-10-13 23:14:24,746 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:24,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-10-13 23:14:24,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-10-13 23:14:24,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-13 23:14:24,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2019-10-13 23:14:24,757 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 43 [2019-10-13 23:14:24,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:24,758 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2019-10-13 23:14:24,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:14:24,758 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2019-10-13 23:14:24,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:14:24,760 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:24,760 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:24,760 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:24,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:24,761 INFO L82 PathProgramCache]: Analyzing trace with hash 2099833490, now seen corresponding path program 1 times [2019-10-13 23:14:24,761 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:24,761 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152054284] [2019-10-13 23:14:24,762 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:24,762 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:24,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:24,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:24,935 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152054284] [2019-10-13 23:14:24,935 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:24,936 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:24,936 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270042557] [2019-10-13 23:14:24,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:24,937 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:24,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:24,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:24,941 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 7 states. [2019-10-13 23:14:25,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:25,231 INFO L93 Difference]: Finished difference Result 142 states and 163 transitions. [2019-10-13 23:14:25,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:14:25,232 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-13 23:14:25,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:25,233 INFO L225 Difference]: With dead ends: 142 [2019-10-13 23:14:25,234 INFO L226 Difference]: Without dead ends: 82 [2019-10-13 23:14:25,235 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:14:25,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-10-13 23:14:25,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-10-13 23:14:25,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-13 23:14:25,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2019-10-13 23:14:25,245 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 46 [2019-10-13 23:14:25,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:25,246 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2019-10-13 23:14:25,246 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:25,246 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2019-10-13 23:14:25,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-13 23:14:25,248 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:25,248 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:25,248 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:25,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:25,249 INFO L82 PathProgramCache]: Analyzing trace with hash 997519991, now seen corresponding path program 1 times [2019-10-13 23:14:25,249 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:25,249 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231022096] [2019-10-13 23:14:25,250 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:25,250 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:25,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:25,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:25,344 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231022096] [2019-10-13 23:14:25,345 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:25,345 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:25,345 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91614004] [2019-10-13 23:14:25,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:25,346 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:25,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:25,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:25,347 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 6 states. [2019-10-13 23:14:25,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:25,557 INFO L93 Difference]: Finished difference Result 195 states and 225 transitions. [2019-10-13 23:14:25,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:25,557 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-10-13 23:14:25,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:25,561 INFO L225 Difference]: With dead ends: 195 [2019-10-13 23:14:25,561 INFO L226 Difference]: Without dead ends: 135 [2019-10-13 23:14:25,562 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:14:25,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-10-13 23:14:25,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 131. [2019-10-13 23:14:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-13 23:14:25,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 148 transitions. [2019-10-13 23:14:25,581 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 148 transitions. Word has length 54 [2019-10-13 23:14:25,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:25,581 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 148 transitions. [2019-10-13 23:14:25,582 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:25,582 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 148 transitions. [2019-10-13 23:14:25,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 23:14:25,584 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:25,584 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:25,584 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:25,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:25,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1215062696, now seen corresponding path program 1 times [2019-10-13 23:14:25,585 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:25,585 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320845282] [2019-10-13 23:14:25,585 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:25,585 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:25,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:25,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:25,726 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320845282] [2019-10-13 23:14:25,727 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:25,727 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:25,727 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355639421] [2019-10-13 23:14:25,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:25,728 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:25,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:25,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:25,729 INFO L87 Difference]: Start difference. First operand 131 states and 148 transitions. Second operand 7 states. [2019-10-13 23:14:26,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:26,079 INFO L93 Difference]: Finished difference Result 211 states and 244 transitions. [2019-10-13 23:14:26,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:26,079 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-13 23:14:26,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:26,080 INFO L225 Difference]: With dead ends: 211 [2019-10-13 23:14:26,080 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:14:26,085 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 23:14:26,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:14:26,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:14:26,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:14:26,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:14:26,086 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2019-10-13 23:14:26,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:26,086 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:14:26,086 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:26,086 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:14:26,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:14:26,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:14:26,945 INFO L443 ceAbstractionStarter]: For program point L225(lines 202 226) no Hoare annotation was computed. [2019-10-13 23:14:26,946 INFO L443 ceAbstractionStarter]: For program point L209(lines 209 213) no Hoare annotation was computed. [2019-10-13 23:14:26,946 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 224) no Hoare annotation was computed. [2019-10-13 23:14:26,946 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 178 233) no Hoare annotation was computed. [2019-10-13 23:14:26,946 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 178 233) no Hoare annotation was computed. [2019-10-13 23:14:26,946 INFO L443 ceAbstractionStarter]: For program point L286(lines 259 287) no Hoare annotation was computed. [2019-10-13 23:14:26,947 INFO L443 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2019-10-13 23:14:26,947 INFO L443 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2019-10-13 23:14:26,947 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 234 293) no Hoare annotation was computed. [2019-10-13 23:14:26,947 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 234 293) no Hoare annotation was computed. [2019-10-13 23:14:26,947 INFO L443 ceAbstractionStarter]: For program point L266(lines 266 270) no Hoare annotation was computed. [2019-10-13 23:14:26,947 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 234 293) no Hoare annotation was computed. [2019-10-13 23:14:26,947 INFO L443 ceAbstractionStarter]: For program point L260-2(lines 260 285) no Hoare annotation was computed. [2019-10-13 23:14:26,948 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 513 519) the Hoare annotation is: true [2019-10-13 23:14:26,948 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 513 519) no Hoare annotation was computed. [2019-10-13 23:14:26,948 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 520 528) no Hoare annotation was computed. [2019-10-13 23:14:26,949 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 520 528) the Hoare annotation is: true [2019-10-13 23:14:26,950 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 605 627) 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))) [2019-10-13 23:14:26,951 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 605 627) no Hoare annotation was computed. [2019-10-13 23:14:26,951 INFO L439 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:14:26,951 INFO L439 ceAbstractionStarter]: At program point L617-1(line 617) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:14:26,951 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 622) no Hoare annotation was computed. [2019-10-13 23:14:26,952 INFO L443 ceAbstractionStarter]: For program point L615-1(lines 615 622) no Hoare annotation was computed. [2019-10-13 23:14:26,952 INFO L443 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2019-10-13 23:14:26,952 INFO L439 ceAbstractionStarter]: At program point L612(line 612) 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))) [2019-10-13 23:14:26,952 INFO L439 ceAbstractionStarter]: At program point L611(line 611) 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))) [2019-10-13 23:14:26,952 INFO L439 ceAbstractionStarter]: At program point L611-1(line 611) 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))) [2019-10-13 23:14:26,954 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-13 23:14:26,954 INFO L443 ceAbstractionStarter]: For program point L576(line 576) no Hoare annotation was computed. [2019-10-13 23:14:26,955 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 563 586) no Hoare annotation was computed. [2019-10-13 23:14:26,956 INFO L443 ceAbstractionStarter]: For program point L575(line 575) no Hoare annotation was computed. [2019-10-13 23:14:26,956 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-13 23:14:26,956 INFO L443 ceAbstractionStarter]: For program point L573(line 573) no Hoare annotation was computed. [2019-10-13 23:14:26,957 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 563 586) no Hoare annotation was computed. [2019-10-13 23:14:26,957 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-13 23:14:26,957 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 563 586) no Hoare annotation was computed. [2019-10-13 23:14:26,957 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-13 23:14:26,957 INFO L443 ceAbstractionStarter]: For program point L570(line 570) no Hoare annotation was computed. [2019-10-13 23:14:26,957 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-13 23:14:26,958 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-13 23:14:26,958 INFO L443 ceAbstractionStarter]: For program point L581(line 581) no Hoare annotation was computed. [2019-10-13 23:14:26,958 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-13 23:14:26,958 INFO L443 ceAbstractionStarter]: For program point L579(line 579) no Hoare annotation was computed. [2019-10-13 23:14:26,958 INFO L443 ceAbstractionStarter]: For program point L578(line 578) no Hoare annotation was computed. [2019-10-13 23:14:26,958 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 728 734) no Hoare annotation was computed. [2019-10-13 23:14:26,958 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 728 734) the Hoare annotation is: true [2019-10-13 23:14:26,959 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 761 768) no Hoare annotation was computed. [2019-10-13 23:14:26,959 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 761 768) no Hoare annotation was computed. [2019-10-13 23:14:26,959 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 805 813) no Hoare annotation was computed. [2019-10-13 23:14:26,959 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 805 813) the Hoare annotation is: true [2019-10-13 23:14:26,959 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-10-13 23:14:26,959 INFO L443 ceAbstractionStarter]: For program point L844-1(line 844) no Hoare annotation was computed. [2019-10-13 23:14:26,959 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 814 849) no Hoare annotation was computed. [2019-10-13 23:14:26,959 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 814 849) no Hoare annotation was computed. [2019-10-13 23:14:26,960 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 506 512) no Hoare annotation was computed. [2019-10-13 23:14:26,960 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 506 512) the Hoare annotation is: true [2019-10-13 23:14:26,960 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 132 177) no Hoare annotation was computed. [2019-10-13 23:14:26,960 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 132 177) no Hoare annotation was computed. [2019-10-13 23:14:26,960 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 445 490) no Hoare annotation was computed. [2019-10-13 23:14:26,960 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 445 490) no Hoare annotation was computed. [2019-10-13 23:14:26,960 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 595 604) 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))) [2019-10-13 23:14:26,961 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 595 604) no Hoare annotation was computed. [2019-10-13 23:14:26,961 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 595 604) no Hoare annotation was computed. [2019-10-13 23:14:26,961 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 794 804) the Hoare annotation is: true [2019-10-13 23:14:26,961 INFO L446 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2019-10-13 23:14:26,961 INFO L443 ceAbstractionStarter]: For program point L799-1(line 799) no Hoare annotation was computed. [2019-10-13 23:14:26,961 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 794 804) no Hoare annotation was computed. [2019-10-13 23:14:26,961 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 786 793) the Hoare annotation is: true [2019-10-13 23:14:26,962 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 786 793) no Hoare annotation was computed. [2019-10-13 23:14:26,962 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 736 760) no Hoare annotation was computed. [2019-10-13 23:14:26,962 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 736 760) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:26,962 INFO L439 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:26,962 INFO L443 ceAbstractionStarter]: For program point L755-1(lines 736 760) no Hoare annotation was computed. [2019-10-13 23:14:26,962 INFO L439 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:26,963 INFO L439 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:26,963 INFO L443 ceAbstractionStarter]: For program point L744(lines 744 752) no Hoare annotation was computed. [2019-10-13 23:14:26,963 INFO L439 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:26,963 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-10-13 23:14:26,963 INFO L443 ceAbstractionStarter]: For program point L740(lines 740 757) no Hoare annotation was computed. [2019-10-13 23:14:26,964 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 630 695) 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))) [2019-10-13 23:14:26,964 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 630 695) no Hoare annotation was computed. [2019-10-13 23:14:26,965 INFO L439 ceAbstractionStarter]: At program point L688(lines 639 689) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:26,965 INFO L439 ceAbstractionStarter]: At program point L678-2(lines 670 683) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:26,965 INFO L443 ceAbstractionStarter]: For program point L641(lines 640 687) no Hoare annotation was computed. [2019-10-13 23:14:26,965 INFO L439 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:26,966 INFO L443 ceAbstractionStarter]: For program point L670(lines 670 683) no Hoare annotation was computed. [2019-10-13 23:14:26,966 INFO L439 ceAbstractionStarter]: At program point L662(line 662) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:26,966 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 666) no Hoare annotation was computed. [2019-10-13 23:14:26,966 INFO L443 ceAbstractionStarter]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2019-10-13 23:14:26,967 INFO L439 ceAbstractionStarter]: At program point L685(lines 640 687) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:26,968 INFO L439 ceAbstractionStarter]: At program point L652(line 652) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:26,968 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 656) no Hoare annotation was computed. [2019-10-13 23:14:26,968 INFO L443 ceAbstractionStarter]: For program point L650-1(lines 650 656) no Hoare annotation was computed. [2019-10-13 23:14:26,968 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 630 695) no Hoare annotation was computed. [2019-10-13 23:14:26,968 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 399 444) no Hoare annotation was computed. [2019-10-13 23:14:26,968 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 399 444) no Hoare annotation was computed. [2019-10-13 23:14:26,968 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2019-10-13 23:14:26,969 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2019-10-13 23:14:26,969 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 324) no Hoare annotation was computed. [2019-10-13 23:14:26,969 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 296 398) no Hoare annotation was computed. [2019-10-13 23:14:26,969 INFO L443 ceAbstractionStarter]: For program point L345-2(lines 345 365) no Hoare annotation was computed. [2019-10-13 23:14:26,969 INFO L443 ceAbstractionStarter]: For program point L366(lines 344 367) no Hoare annotation was computed. [2019-10-13 23:14:26,969 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 296 398) no Hoare annotation was computed. [2019-10-13 23:14:26,969 INFO L443 ceAbstractionStarter]: For program point L325(lines 325 341) no Hoare annotation was computed. [2019-10-13 23:14:26,969 INFO L443 ceAbstractionStarter]: For program point L346(lines 345 365) no Hoare annotation was computed. [2019-10-13 23:14:26,970 INFO L443 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2019-10-13 23:14:26,970 INFO L443 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2019-10-13 23:14:26,970 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 383) no Hoare annotation was computed. [2019-10-13 23:14:26,970 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 296 398) no Hoare annotation was computed. [2019-10-13 23:14:26,970 INFO L443 ceAbstractionStarter]: For program point L361(line 361) no Hoare annotation was computed. [2019-10-13 23:14:26,970 INFO L443 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2019-10-13 23:14:26,970 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 496 505) no Hoare annotation was computed. [2019-10-13 23:14:26,970 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 496 505) no Hoare annotation was computed. [2019-10-13 23:14:26,971 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:14:26,971 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:26,971 INFO L443 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2019-10-13 23:14:26,971 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 769 785) no Hoare annotation was computed. [2019-10-13 23:14:26,971 INFO L443 ceAbstractionStarter]: For program point L780-1(lines 769 785) no Hoare annotation was computed. [2019-10-13 23:14:26,971 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 769 785) no Hoare annotation was computed. [2019-10-13 23:14:26,971 INFO L443 ceAbstractionStarter]: For program point L776(lines 776 782) no Hoare annotation was computed. [2019-10-13 23:14:26,971 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-13 23:14:26,971 INFO L443 ceAbstractionStarter]: For program point L774-1(line 774) no Hoare annotation was computed. [2019-10-13 23:14:26,972 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2019-10-13 23:14:26,972 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2019-10-13 23:14:26,972 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2019-10-13 23:14:26,972 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2019-10-13 23:14:26,972 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:26,972 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:14:26,972 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2019-10-13 23:14:26,972 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2019-10-13 23:14:26,973 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 704 727) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:26,973 INFO L439 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:26,973 INFO L439 ceAbstractionStarter]: At program point L715(lines 715 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:26,973 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 704 727) no Hoare annotation was computed. [2019-10-13 23:14:26,973 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 704 727) no Hoare annotation was computed. [2019-10-13 23:14:26,973 INFO L439 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:26,973 INFO L443 ceAbstractionStarter]: For program point L708(lines 707 726) no Hoare annotation was computed. [2019-10-13 23:14:26,974 INFO L446 ceAbstractionStarter]: At program point L546-1(lines 546 550) the Hoare annotation is: true [2019-10-13 23:14:26,974 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 532 561) no Hoare annotation was computed. [2019-10-13 23:14:26,974 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 532 561) the Hoare annotation is: true [2019-10-13 23:14:26,974 INFO L446 ceAbstractionStarter]: At program point L542-2(lines 542 556) the Hoare annotation is: true [2019-10-13 23:14:26,974 INFO L446 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: true [2019-10-13 23:14:26,974 INFO L443 ceAbstractionStarter]: For program point L538-1(line 538) no Hoare annotation was computed. [2019-10-13 23:14:26,974 INFO L446 ceAbstractionStarter]: At program point L557(lines 532 561) the Hoare annotation is: true [2019-10-13 23:14:26,974 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-13 23:14:26,975 INFO L443 ceAbstractionStarter]: For program point L546(lines 546 550) no Hoare annotation was computed. [2019-10-13 23:14:26,975 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2019-10-13 23:14:26,975 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2019-10-13 23:14:26,975 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 587 593) no Hoare annotation was computed. [2019-10-13 23:14:26,975 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 587 593) the Hoare annotation is: true [2019-10-13 23:14:26,975 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:26,975 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:26,975 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:26,976 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:14:26,976 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2019-10-13 23:14:26,976 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:14:26,976 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2019-10-13 23:14:26,976 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2019-10-13 23:14:26,976 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-10-13 23:14:26,976 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 886 893) the Hoare annotation is: true [2019-10-13 23:14:26,977 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 886 893) no Hoare annotation was computed. [2019-10-13 23:14:26,977 INFO L443 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2019-10-13 23:14:26,977 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 860 884) the Hoare annotation is: true [2019-10-13 23:14:26,977 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 860 884) no Hoare annotation was computed. [2019-10-13 23:14:26,977 INFO L439 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:26,977 INFO L443 ceAbstractionStarter]: For program point L872(lines 872 878) no Hoare annotation was computed. [2019-10-13 23:14:26,978 INFO L439 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:14:26,978 INFO L443 ceAbstractionStarter]: For program point L870-1(line 870) no Hoare annotation was computed. [2019-10-13 23:14:26,978 INFO L443 ceAbstractionStarter]: For program point L868(lines 868 881) no Hoare annotation was computed. [2019-10-13 23:14:26,978 INFO L443 ceAbstractionStarter]: For program point L868-1(lines 860 884) no Hoare annotation was computed. [2019-10-13 23:14:26,979 INFO L446 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: true [2019-10-13 23:14:27,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:14:27 BoogieIcfgContainer [2019-10-13 23:14:27,004 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:14:27,008 INFO L168 Benchmark]: Toolchain (without parser) took 5679.93 ms. Allocated memory was 141.0 MB in the beginning and 278.9 MB in the end (delta: 137.9 MB). Free memory was 105.4 MB in the beginning and 232.8 MB in the end (delta: -127.4 MB). Peak memory consumption was 111.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:27,010 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 124.3 MB in the beginning and 124.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 23:14:27,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.53 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 105.2 MB in the beginning and 172.5 MB in the end (delta: -67.3 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:27,014 INFO L168 Benchmark]: Boogie Preprocessor took 104.99 ms. Allocated memory is still 203.9 MB. Free memory was 172.5 MB in the beginning and 167.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:27,019 INFO L168 Benchmark]: RCFGBuilder took 1621.66 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 167.9 MB in the beginning and 150.1 MB in the end (delta: 17.8 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:27,020 INFO L168 Benchmark]: TraceAbstraction took 3231.19 ms. Allocated memory was 234.4 MB in the beginning and 278.9 MB in the end (delta: 44.6 MB). Free memory was 150.1 MB in the beginning and 232.8 MB in the end (delta: -82.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:27,034 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 124.3 MB in the beginning and 124.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 717.53 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 105.2 MB in the beginning and 172.5 MB in the end (delta: -67.3 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.99 ms. Allocated memory is still 203.9 MB. Free memory was 172.5 MB in the beginning and 167.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1621.66 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 167.9 MB in the beginning and 150.1 MB in the end (delta: 17.8 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3231.19 ms. Allocated memory was 234.4 MB in the beginning and 278.9 MB in the end (delta: 44.6 MB). Free memory was 150.1 MB in the beginning and 232.8 MB in the end (delta: -82.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: 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: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 171 locations, 1 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 444 SDtfs, 197 SDslu, 671 SDs, 0 SdLazy, 295 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 229 PreInvPairs, 243 NumberOfFragments, 483 HoareAnnotationTreeSize, 229 FomulaSimplifications, 87 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 50 FomulaSimplificationsInter, 704 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 237 ConstructedInterpolants, 0 QuantifiedInterpolants, 21613 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...