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_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:11,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:11,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:11,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:11,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:11,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:11,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:11,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:11,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:11,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:11,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:11,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:11,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:11,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:11,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:11,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:11,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:11,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:11,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:11,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:11,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:11,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:11,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:11,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:11,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:11,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:11,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:11,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:11,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:11,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:11,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:11,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:11,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:11,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:11,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:11,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:11,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:11,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:11,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:11,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:11,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:11,346 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 23:14:11,364 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:11,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:11,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:11,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:11,368 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:11,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:11,368 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:11,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:11,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:11,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:11,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:11,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:11,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:11,371 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:11,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:11,371 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:11,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:11,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:11,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:11,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:11,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:11,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:11,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:11,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:11,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:11,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:11,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:11,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:11,374 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 23:14:11,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:11,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:11,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:11,712 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:11,713 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:11,713 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product06.cil.c [2019-10-13 23:14:11,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01010f3df/106d4ca2a44b4bad9bda26fdc52dfab4/FLAGf181b5381 [2019-10-13 23:14:12,329 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:12,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product06.cil.c [2019-10-13 23:14:12,356 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01010f3df/106d4ca2a44b4bad9bda26fdc52dfab4/FLAGf181b5381 [2019-10-13 23:14:12,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01010f3df/106d4ca2a44b4bad9bda26fdc52dfab4 [2019-10-13 23:14:12,565 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:12,566 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:12,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:12,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:12,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:12,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:12" (1/1) ... [2019-10-13 23:14:12,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9061149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:12, skipping insertion in model container [2019-10-13 23:14:12,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:12" (1/1) ... [2019-10-13 23:14:12,583 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:12,639 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:12,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:13,042 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:13,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:13,188 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:13,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:13 WrapperNode [2019-10-13 23:14:13,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:13,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:13,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:13,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:13,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:13" (1/1) ... [2019-10-13 23:14:13,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:13" (1/1) ... [2019-10-13 23:14:13,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:13" (1/1) ... [2019-10-13 23:14:13,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:13" (1/1) ... [2019-10-13 23:14:13,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:13" (1/1) ... [2019-10-13 23:14:13,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:13" (1/1) ... [2019-10-13 23:14:13,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:13" (1/1) ... [2019-10-13 23:14:13,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:14:13,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:14:13,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:14:13,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:14:13,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:13" (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 23:14:13,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:14:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:14:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:14:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:14:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:14:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:14:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:14:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:14:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:14:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:14:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:14:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:14:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:14:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:14:13,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:13,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:14:13,364 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:14:13,364 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:14:13,364 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:14:13,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:14:13,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:14:13,365 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:14:13,365 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:14:13,365 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:14:13,365 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:14:13,365 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:14:13,366 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:14:13,366 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:14:13,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:14:13,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:14:13,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:14:13,366 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:14:13,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:14:13,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:14:13,367 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:14:13,367 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:14:13,367 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:14:13,367 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:14:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:14:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:14:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:14:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:14:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:13,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:14:13,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:13,369 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:13,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:14:13,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:14:13,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:14:13,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:14:13,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:14:13,370 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:14:13,370 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:14:13,370 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:14:13,370 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:14:13,370 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:14:13,371 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:14:13,371 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:14:13,371 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:14:13,371 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:14:13,371 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:14:13,371 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:14:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:14:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:14:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:14:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:14:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:14:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:14:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:14:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:14:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:14:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:14:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:14:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:14:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:14:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:14:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:14:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:14:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:14:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:14:14,918 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:14:14,919 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:14:14,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:14 BoogieIcfgContainer [2019-10-13 23:14:14,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:14:14,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:14:14,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:14:14,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:14:14,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:12" (1/3) ... [2019-10-13 23:14:14,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@734d2ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:14, skipping insertion in model container [2019-10-13 23:14:14,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:13" (2/3) ... [2019-10-13 23:14:14,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@734d2ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:14, skipping insertion in model container [2019-10-13 23:14:14,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:14" (3/3) ... [2019-10-13 23:14:14,931 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product06.cil.c [2019-10-13 23:14:14,942 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:14:14,952 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:14:14,964 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:14:15,007 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:14:15,008 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:14:15,008 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:14:15,008 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:14:15,008 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:14:15,009 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:14:15,009 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:14:15,009 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:14:15,038 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2019-10-13 23:14:15,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:14:15,051 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:15,052 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 23:14:15,056 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:15,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:15,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1325075958, now seen corresponding path program 1 times [2019-10-13 23:14:15,074 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:15,074 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516482425] [2019-10-13 23:14:15,075 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:15,075 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:15,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:15,443 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 23:14:15,445 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516482425] [2019-10-13 23:14:15,446 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:15,447 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:14:15,448 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890445036] [2019-10-13 23:14:15,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:14:15,454 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:15,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:14:15,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:15,471 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2019-10-13 23:14:15,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:15,508 INFO L93 Difference]: Finished difference Result 179 states and 218 transitions. [2019-10-13 23:14:15,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:14:15,510 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:14:15,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:15,523 INFO L225 Difference]: With dead ends: 179 [2019-10-13 23:14:15,523 INFO L226 Difference]: Without dead ends: 90 [2019-10-13 23:14:15,527 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 23:14:15,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-13 23:14:15,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-10-13 23:14:15,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-10-13 23:14:15,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2019-10-13 23:14:15,578 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 42 [2019-10-13 23:14:15,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:15,578 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2019-10-13 23:14:15,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:14:15,579 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2019-10-13 23:14:15,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:14:15,582 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:15,582 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 23:14:15,583 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:15,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:15,583 INFO L82 PathProgramCache]: Analyzing trace with hash -258448507, now seen corresponding path program 1 times [2019-10-13 23:14:15,584 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:15,584 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374101792] [2019-10-13 23:14:15,584 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:15,584 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:15,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:15,706 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 23:14:15,706 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374101792] [2019-10-13 23:14:15,706 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:15,707 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:14:15,707 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758514381] [2019-10-13 23:14:15,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:14:15,709 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:15,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:14:15,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:15,710 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 3 states. [2019-10-13 23:14:15,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:15,727 INFO L93 Difference]: Finished difference Result 133 states and 152 transitions. [2019-10-13 23:14:15,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:14:15,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:14:15,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:15,733 INFO L225 Difference]: With dead ends: 133 [2019-10-13 23:14:15,733 INFO L226 Difference]: Without dead ends: 82 [2019-10-13 23:14:15,736 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 23:14:15,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-10-13 23:14:15,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-10-13 23:14:15,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-13 23:14:15,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2019-10-13 23:14:15,757 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 43 [2019-10-13 23:14:15,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:15,758 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2019-10-13 23:14:15,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:14:15,758 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2019-10-13 23:14:15,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:14:15,760 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:15,760 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 23:14:15,761 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:15,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:15,761 INFO L82 PathProgramCache]: Analyzing trace with hash -2139140196, now seen corresponding path program 1 times [2019-10-13 23:14:15,762 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:15,762 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641083486] [2019-10-13 23:14:15,762 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:15,762 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:15,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:15,986 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 23:14:15,987 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641083486] [2019-10-13 23:14:15,987 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:15,987 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:15,988 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597524886] [2019-10-13 23:14:15,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:15,990 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:15,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:15,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:15,992 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 7 states. [2019-10-13 23:14:16,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:16,302 INFO L93 Difference]: Finished difference Result 142 states and 163 transitions. [2019-10-13 23:14:16,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:14:16,303 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-13 23:14:16,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:16,305 INFO L225 Difference]: With dead ends: 142 [2019-10-13 23:14:16,306 INFO L226 Difference]: Without dead ends: 82 [2019-10-13 23:14:16,307 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 23:14:16,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-10-13 23:14:16,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-10-13 23:14:16,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-13 23:14:16,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2019-10-13 23:14:16,324 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 46 [2019-10-13 23:14:16,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:16,324 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2019-10-13 23:14:16,324 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:16,325 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2019-10-13 23:14:16,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-13 23:14:16,330 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:16,330 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 23:14:16,330 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:16,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:16,331 INFO L82 PathProgramCache]: Analyzing trace with hash -965673643, now seen corresponding path program 1 times [2019-10-13 23:14:16,331 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:16,331 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309274195] [2019-10-13 23:14:16,331 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:16,332 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:16,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:16,507 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 23:14:16,508 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309274195] [2019-10-13 23:14:16,508 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:16,508 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:16,508 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149180756] [2019-10-13 23:14:16,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:16,509 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:16,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:16,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:16,510 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 6 states. [2019-10-13 23:14:16,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:16,695 INFO L93 Difference]: Finished difference Result 195 states and 225 transitions. [2019-10-13 23:14:16,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:16,695 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-10-13 23:14:16,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:16,702 INFO L225 Difference]: With dead ends: 195 [2019-10-13 23:14:16,703 INFO L226 Difference]: Without dead ends: 135 [2019-10-13 23:14:16,705 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 23:14:16,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-10-13 23:14:16,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 131. [2019-10-13 23:14:16,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-13 23:14:16,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 148 transitions. [2019-10-13 23:14:16,749 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 148 transitions. Word has length 54 [2019-10-13 23:14:16,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:16,749 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 148 transitions. [2019-10-13 23:14:16,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:16,750 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 148 transitions. [2019-10-13 23:14:16,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 23:14:16,754 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:16,755 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 23:14:16,755 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:16,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:16,756 INFO L82 PathProgramCache]: Analyzing trace with hash 958030463, now seen corresponding path program 1 times [2019-10-13 23:14:16,756 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:16,756 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243844488] [2019-10-13 23:14:16,756 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:16,756 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:16,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:16,904 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 23:14:16,904 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243844488] [2019-10-13 23:14:16,905 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:16,905 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:16,905 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309203958] [2019-10-13 23:14:16,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:16,906 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:16,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:16,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:16,907 INFO L87 Difference]: Start difference. First operand 131 states and 148 transitions. Second operand 7 states. [2019-10-13 23:14:17,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:17,282 INFO L93 Difference]: Finished difference Result 211 states and 244 transitions. [2019-10-13 23:14:17,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:17,284 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-13 23:14:17,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:17,284 INFO L225 Difference]: With dead ends: 211 [2019-10-13 23:14:17,284 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:14:17,286 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 23:14:17,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:14:17,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:14:17,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:14:17,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:14:17,287 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2019-10-13 23:14:17,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:17,287 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:14:17,287 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:17,288 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:14:17,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:14:17,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:14:18,041 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-13 23:14:18,041 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-13 23:14:18,041 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-13 23:14:18,042 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-13 23:14:18,042 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-13 23:14:18,042 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 23:14:18,042 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-13 23:14:18,042 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-13 23:14:18,042 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-13 23:14:18,042 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-13 23:14:18,043 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-13 23:14:18,043 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-13 23:14:18,043 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-13 23:14:18,043 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2019-10-13 23:14:18,043 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2019-10-13 23:14:18,043 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2019-10-13 23:14:18,044 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2019-10-13 23:14:18,044 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 521 543) 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 23:14:18,044 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 521 543) no Hoare annotation was computed. [2019-10-13 23:14:18,044 INFO L439 ceAbstractionStarter]: At program point L533(line 533) 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 23:14:18,044 INFO L439 ceAbstractionStarter]: At program point L533-1(line 533) 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 23:14:18,044 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 538) no Hoare annotation was computed. [2019-10-13 23:14:18,044 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 531 538) no Hoare annotation was computed. [2019-10-13 23:14:18,045 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-13 23:14:18,045 INFO L439 ceAbstractionStarter]: At program point L528(line 528) 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 23:14:18,045 INFO L439 ceAbstractionStarter]: At program point L527(line 527) 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 23:14:18,045 INFO L439 ceAbstractionStarter]: At program point L527-1(line 527) 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 23:14:18,045 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 479 502) no Hoare annotation was computed. [2019-10-13 23:14:18,045 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 479 502) no Hoare annotation was computed. [2019-10-13 23:14:18,046 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 479 502) no Hoare annotation was computed. [2019-10-13 23:14:18,046 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-13 23:14:18,046 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-13 23:14:18,046 INFO L443 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2019-10-13 23:14:18,046 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-13 23:14:18,046 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-13 23:14:18,046 INFO L443 ceAbstractionStarter]: For program point L492(line 492) no Hoare annotation was computed. [2019-10-13 23:14:18,046 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-13 23:14:18,047 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-13 23:14:18,047 INFO L443 ceAbstractionStarter]: For program point L489(line 489) no Hoare annotation was computed. [2019-10-13 23:14:18,047 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-13 23:14:18,047 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-13 23:14:18,047 INFO L443 ceAbstractionStarter]: For program point L486(line 486) no Hoare annotation was computed. [2019-10-13 23:14:18,047 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-13 23:14:18,047 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-13 23:14:18,047 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 823 831) no Hoare annotation was computed. [2019-10-13 23:14:18,047 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 823 831) the Hoare annotation is: true [2019-10-13 23:14:18,048 INFO L443 ceAbstractionStarter]: For program point L862(line 862) no Hoare annotation was computed. [2019-10-13 23:14:18,048 INFO L443 ceAbstractionStarter]: For program point L862-1(line 862) no Hoare annotation was computed. [2019-10-13 23:14:18,048 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 832 867) no Hoare annotation was computed. [2019-10-13 23:14:18,048 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 832 867) no Hoare annotation was computed. [2019-10-13 23:14:18,048 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2019-10-13 23:14:18,048 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2019-10-13 23:14:18,048 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-13 23:14:18,048 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-13 23:14:18,049 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-13 23:14:18,049 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-13 23:14:18,049 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 511 520) 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 23:14:18,049 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 511 520) no Hoare annotation was computed. [2019-10-13 23:14:18,049 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 511 520) no Hoare annotation was computed. [2019-10-13 23:14:18,049 INFO L446 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2019-10-13 23:14:18,049 INFO L443 ceAbstractionStarter]: For program point L817-1(line 817) no Hoare annotation was computed. [2019-10-13 23:14:18,049 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 812 822) the Hoare annotation is: true [2019-10-13 23:14:18,050 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 812 822) no Hoare annotation was computed. [2019-10-13 23:14:18,050 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 804 811) the Hoare annotation is: true [2019-10-13 23:14:18,050 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 804 811) no Hoare annotation was computed. [2019-10-13 23:14:18,050 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 771 795) no Hoare annotation was computed. [2019-10-13 23:14:18,050 INFO L439 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:18,050 INFO L443 ceAbstractionStarter]: For program point L790-1(lines 771 795) no Hoare annotation was computed. [2019-10-13 23:14:18,050 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 771 795) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:18,051 INFO L439 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:18,051 INFO L439 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:18,051 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 787) no Hoare annotation was computed. [2019-10-13 23:14:18,051 INFO L439 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:18,051 INFO L443 ceAbstractionStarter]: For program point L777-1(line 777) no Hoare annotation was computed. [2019-10-13 23:14:18,051 INFO L443 ceAbstractionStarter]: For program point L775(lines 775 792) no Hoare annotation was computed. [2019-10-13 23:14:18,051 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 763 769) no Hoare annotation was computed. [2019-10-13 23:14:18,051 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 763 769) the Hoare annotation is: true [2019-10-13 23:14:18,051 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 667 732) 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 23:14:18,051 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 667 732) no Hoare annotation was computed. [2019-10-13 23:14:18,052 INFO L439 ceAbstractionStarter]: At program point L725(lines 676 726) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:18,052 INFO L439 ceAbstractionStarter]: At program point L715-2(lines 707 720) 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 23:14:18,052 INFO L443 ceAbstractionStarter]: For program point L678(lines 677 724) no Hoare annotation was computed. [2019-10-13 23:14:18,052 INFO L439 ceAbstractionStarter]: At program point L709(line 709) 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 23:14:18,052 INFO L443 ceAbstractionStarter]: For program point L707(lines 707 720) no Hoare annotation was computed. [2019-10-13 23:14:18,052 INFO L439 ceAbstractionStarter]: At program point L699(line 699) 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 23:14:18,053 INFO L443 ceAbstractionStarter]: For program point L697(lines 697 703) no Hoare annotation was computed. [2019-10-13 23:14:18,053 INFO L443 ceAbstractionStarter]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2019-10-13 23:14:18,053 INFO L439 ceAbstractionStarter]: At program point L722(lines 677 724) 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 23:14:18,053 INFO L439 ceAbstractionStarter]: At program point L689(line 689) 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 23:14:18,053 INFO L443 ceAbstractionStarter]: For program point L687(lines 687 693) no Hoare annotation was computed. [2019-10-13 23:14:18,053 INFO L443 ceAbstractionStarter]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2019-10-13 23:14:18,053 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 667 732) no Hoare annotation was computed. [2019-10-13 23:14:18,054 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-13 23:14:18,054 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-13 23:14:18,054 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 633 655) no Hoare annotation was computed. [2019-10-13 23:14:18,054 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 633 655) no Hoare annotation was computed. [2019-10-13 23:14:18,054 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-13 23:14:18,054 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-13 23:14:18,054 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-13 23:14:18,054 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-13 23:14:18,055 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-13 23:14:18,055 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-13 23:14:18,055 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-13 23:14:18,055 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-13 23:14:18,055 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-13 23:14:18,055 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-13 23:14:18,055 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-13 23:14:18,056 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-13 23:14:18,056 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-13 23:14:18,056 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 410 419) no Hoare annotation was computed. [2019-10-13 23:14:18,056 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 410 419) no Hoare annotation was computed. [2019-10-13 23:14:18,056 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:14:18,056 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:18,056 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 796 803) no Hoare annotation was computed. [2019-10-13 23:14:18,056 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 796 803) no Hoare annotation was computed. [2019-10-13 23:14:18,057 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 656 664) no Hoare annotation was computed. [2019-10-13 23:14:18,057 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 656 664) no Hoare annotation was computed. [2019-10-13 23:14:18,057 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:18,057 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:14:18,057 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 612 623) the Hoare annotation is: true [2019-10-13 23:14:18,057 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 612 623) no Hoare annotation was computed. [2019-10-13 23:14:18,057 INFO L439 ceAbstractionStarter]: At program point L752(line 752) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:18,057 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 739 762) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:18,058 INFO L439 ceAbstractionStarter]: At program point L750(lines 750 756) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:18,058 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 739 762) no Hoare annotation was computed. [2019-10-13 23:14:18,058 INFO L439 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:18,058 INFO L443 ceAbstractionStarter]: For program point L743(lines 742 761) no Hoare annotation was computed. [2019-10-13 23:14:18,058 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 739 762) no Hoare annotation was computed. [2019-10-13 23:14:18,058 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2019-10-13 23:14:18,058 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2019-10-13 23:14:18,058 INFO L446 ceAbstractionStarter]: At program point L471(lines 446 475) the Hoare annotation is: true [2019-10-13 23:14:18,058 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-13 23:14:18,058 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 464) no Hoare annotation was computed. [2019-10-13 23:14:18,058 INFO L446 ceAbstractionStarter]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2019-10-13 23:14:18,059 INFO L446 ceAbstractionStarter]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2019-10-13 23:14:18,059 INFO L446 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2019-10-13 23:14:18,059 INFO L443 ceAbstractionStarter]: For program point L452-1(line 452) no Hoare annotation was computed. [2019-10-13 23:14:18,059 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 624 632) the Hoare annotation is: true [2019-10-13 23:14:18,059 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 624 632) no Hoare annotation was computed. [2019-10-13 23:14:18,059 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 588 599) the Hoare annotation is: true [2019-10-13 23:14:18,059 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 588 599) no Hoare annotation was computed. [2019-10-13 23:14:18,059 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2019-10-13 23:14:18,059 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2019-10-13 23:14:18,059 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:18,059 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 23:14:18,059 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:18,060 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:14:18,060 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 868 875) no Hoare annotation was computed. [2019-10-13 23:14:18,060 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 868 875) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:14:18,060 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 600 611) no Hoare annotation was computed. [2019-10-13 23:14:18,060 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 600 611) the Hoare annotation is: true [2019-10-13 23:14:18,060 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 574 581) the Hoare annotation is: true [2019-10-13 23:14:18,060 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 574 581) no Hoare annotation was computed. [2019-10-13 23:14:18,061 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2019-10-13 23:14:18,061 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 548 572) the Hoare annotation is: true [2019-10-13 23:14:18,061 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 548 572) no Hoare annotation was computed. [2019-10-13 23:14:18,061 INFO L439 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:18,061 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-10-13 23:14:18,061 INFO L439 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:14:18,061 INFO L443 ceAbstractionStarter]: For program point L558-1(line 558) no Hoare annotation was computed. [2019-10-13 23:14:18,062 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2019-10-13 23:14:18,062 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 548 572) no Hoare annotation was computed. [2019-10-13 23:14:18,062 INFO L446 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2019-10-13 23:14:18,062 INFO L443 ceAbstractionStarter]: For program point L554-1(line 554) no Hoare annotation was computed. [2019-10-13 23:14:18,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:14:18 BoogieIcfgContainer [2019-10-13 23:14:18,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:14:18,078 INFO L168 Benchmark]: Toolchain (without parser) took 5510.71 ms. Allocated memory was 136.8 MB in the beginning and 253.8 MB in the end (delta: 116.9 MB). Free memory was 98.7 MB in the beginning and 131.9 MB in the end (delta: -33.2 MB). Peak memory consumption was 133.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:18,079 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 23:14:18,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.60 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 98.4 MB in the beginning and 171.3 MB in the end (delta: -72.9 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:18,081 INFO L168 Benchmark]: Boogie Preprocessor took 113.38 ms. Allocated memory is still 200.8 MB. Free memory was 171.3 MB in the beginning and 166.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:18,082 INFO L168 Benchmark]: RCFGBuilder took 1615.77 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 166.9 MB in the beginning and 155.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:18,083 INFO L168 Benchmark]: TraceAbstraction took 3152.46 ms. Allocated memory was 230.7 MB in the beginning and 253.8 MB in the end (delta: 23.1 MB). Free memory was 155.1 MB in the beginning and 131.9 MB in the end (delta: 23.3 MB). Peak memory consumption was 95.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:18,087 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 136.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 622.60 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 98.4 MB in the beginning and 171.3 MB in the end (delta: -72.9 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.38 ms. Allocated memory is still 200.8 MB. Free memory was 171.3 MB in the beginning and 166.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1615.77 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 166.9 MB in the beginning and 155.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3152.46 ms. Allocated memory was 230.7 MB in the beginning and 253.8 MB in the end (delta: 23.1 MB). Free memory was 155.1 MB in the beginning and 131.9 MB in the end (delta: 23.3 MB). Peak memory consumption was 95.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: 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: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 164 locations, 1 error locations. Result: SAFE, OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, 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, 0.0s HoareSimplificationTime, 50 FomulaSimplificationsInter, 704 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s 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...