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_spec2_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:15:01,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:15:01,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:15:01,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:15:01,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:15:01,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:15:01,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:15:01,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:15:01,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:15:01,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:15:01,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:15:01,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:15:01,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:15:01,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:15:01,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:15:01,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:15:01,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:15:01,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:15:01,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:15:01,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:15:01,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:15:01,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:15:01,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:15:01,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:15:01,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:15:01,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:15:01,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:15:01,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:15:01,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:15:01,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:15:01,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:15:01,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:15:01,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:15:01,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:15:01,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:15:01,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:15:01,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:15:01,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:15:01,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:15:01,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:15:01,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:15:01,218 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 23:15:01,237 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:15:01,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:15:01,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:15:01,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:15:01,240 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:15:01,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:15:01,240 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:15:01,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:15:01,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:15:01,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:15:01,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:15:01,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:15:01,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:15:01,243 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:15:01,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:15:01,243 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:15:01,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:15:01,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:15:01,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:15:01,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:15:01,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:15:01,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:15:01,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:15:01,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:15:01,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:15:01,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:15:01,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:15:01,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:15:01,246 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 23:15:01,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:15:01,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:15:01,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:15:01,537 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:15:01,537 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:15:01,538 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product17.cil.c [2019-10-13 23:15:01,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b70510dc/95655a23762c456c897b951efbedfdfc/FLAGbcbb50adb [2019-10-13 23:15:02,142 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:15:02,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product17.cil.c [2019-10-13 23:15:02,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b70510dc/95655a23762c456c897b951efbedfdfc/FLAGbcbb50adb [2019-10-13 23:15:02,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b70510dc/95655a23762c456c897b951efbedfdfc [2019-10-13 23:15:02,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:15:02,463 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:15:02,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:15:02,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:15:02,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:15:02,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:15:02" (1/1) ... [2019-10-13 23:15:02,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170a06bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:02, skipping insertion in model container [2019-10-13 23:15:02,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:15:02" (1/1) ... [2019-10-13 23:15:02,477 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:15:02,531 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:15:02,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:15:02,972 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:15:03,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:15:03,137 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:15:03,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:03 WrapperNode [2019-10-13 23:15:03,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:15:03,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:15:03,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:15:03,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:15:03,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:03" (1/1) ... [2019-10-13 23:15:03,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:03" (1/1) ... [2019-10-13 23:15:03,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:03" (1/1) ... [2019-10-13 23:15:03,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:03" (1/1) ... [2019-10-13 23:15:03,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:03" (1/1) ... [2019-10-13 23:15:03,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:03" (1/1) ... [2019-10-13 23:15:03,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:03" (1/1) ... [2019-10-13 23:15:03,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:15:03,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:15:03,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:15:03,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:15:03,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:03" (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 23:15:03,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:15:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:15:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:15:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:15:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:15:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:15:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:15:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:15:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:15:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 23:15:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:15:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:15:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:15:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:15:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:15:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:15:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:15:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:15:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:15:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 23:15:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:15:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:15:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:15:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:15:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:15:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:15:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:15:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:15:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:15:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:15:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:15:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 23:15:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 23:15:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:15:03,290 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:15:03,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:15:03,290 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:15:03,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:15:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:15:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:15:03,291 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:15:03,291 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:15:03,291 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:15:03,291 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:15:03,291 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:15:03,291 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:15:03,292 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:15:03,292 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 23:15:03,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:15:03,292 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:15:03,292 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:15:03,292 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:15:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:15:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:15:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:15:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:15:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 23:15:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:15:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:15:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 23:15:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:15:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:15:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:15:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:15:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:15:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:15:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:15:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:15:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:15:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:15:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:15:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:15:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:15:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:15:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:15:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:15:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:15:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:15:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:15:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:15:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:15:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:15:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 23:15:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:15:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:15:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:15:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:15:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:15:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:15:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:15:04,835 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:15:04,836 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:15:04,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:15:04 BoogieIcfgContainer [2019-10-13 23:15:04,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:15:04,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:15:04,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:15:04,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:15:04,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:15:02" (1/3) ... [2019-10-13 23:15:04,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e09a212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:15:04, skipping insertion in model container [2019-10-13 23:15:04,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:03" (2/3) ... [2019-10-13 23:15:04,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e09a212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:15:04, skipping insertion in model container [2019-10-13 23:15:04,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:15:04" (3/3) ... [2019-10-13 23:15:04,846 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2019-10-13 23:15:04,856 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:15:04,866 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:15:04,880 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:15:04,922 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:15:04,922 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:15:04,922 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:15:04,922 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:15:04,923 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:15:04,923 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:15:04,923 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:15:04,923 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:15:04,943 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2019-10-13 23:15:04,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:15:04,951 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:04,952 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 23:15:04,954 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:04,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:04,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1693239378, now seen corresponding path program 1 times [2019-10-13 23:15:04,969 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:04,970 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462528284] [2019-10-13 23:15:04,970 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:04,970 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:04,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:05,266 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 23:15:05,267 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462528284] [2019-10-13 23:15:05,268 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:05,268 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:15:05,269 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189451571] [2019-10-13 23:15:05,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:15:05,276 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:05,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:15:05,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:15:05,296 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2019-10-13 23:15:05,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:05,333 INFO L93 Difference]: Finished difference Result 180 states and 217 transitions. [2019-10-13 23:15:05,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:15:05,335 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 23:15:05,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:05,349 INFO L225 Difference]: With dead ends: 180 [2019-10-13 23:15:05,349 INFO L226 Difference]: Without dead ends: 92 [2019-10-13 23:15:05,355 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 23:15:05,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-10-13 23:15:05,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-10-13 23:15:05,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-13 23:15:05,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 104 transitions. [2019-10-13 23:15:05,452 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 104 transitions. Word has length 46 [2019-10-13 23:15:05,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:05,453 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 104 transitions. [2019-10-13 23:15:05,453 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:15:05,453 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2019-10-13 23:15:05,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 23:15:05,459 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:05,459 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] [2019-10-13 23:15:05,459 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:05,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:05,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1556884874, now seen corresponding path program 1 times [2019-10-13 23:15:05,462 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:05,462 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421509816] [2019-10-13 23:15:05,462 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:05,462 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:05,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:05,655 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 23:15:05,656 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421509816] [2019-10-13 23:15:05,656 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:05,656 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:15:05,656 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112403024] [2019-10-13 23:15:05,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:15:05,659 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:05,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:15:05,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:15:05,660 INFO L87 Difference]: Start difference. First operand 92 states and 104 transitions. Second operand 3 states. [2019-10-13 23:15:05,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:05,678 INFO L93 Difference]: Finished difference Result 138 states and 156 transitions. [2019-10-13 23:15:05,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:15:05,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 23:15:05,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:05,681 INFO L225 Difference]: With dead ends: 138 [2019-10-13 23:15:05,682 INFO L226 Difference]: Without dead ends: 84 [2019-10-13 23:15:05,683 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 23:15:05,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-10-13 23:15:05,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2019-10-13 23:15:05,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-10-13 23:15:05,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 93 transitions. [2019-10-13 23:15:05,696 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 93 transitions. Word has length 47 [2019-10-13 23:15:05,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:05,697 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 93 transitions. [2019-10-13 23:15:05,697 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:15:05,697 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2019-10-13 23:15:05,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-13 23:15:05,699 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:05,699 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] [2019-10-13 23:15:05,700 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:05,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:05,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1821135741, now seen corresponding path program 1 times [2019-10-13 23:15:05,701 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:05,701 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081937696] [2019-10-13 23:15:05,701 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:05,701 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:05,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:05,900 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 23:15:05,900 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081937696] [2019-10-13 23:15:05,900 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:05,901 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:15:05,901 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458743610] [2019-10-13 23:15:05,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:15:05,902 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:05,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:15:05,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:15:05,903 INFO L87 Difference]: Start difference. First operand 84 states and 93 transitions. Second operand 7 states. [2019-10-13 23:15:06,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:06,244 INFO L93 Difference]: Finished difference Result 143 states and 162 transitions. [2019-10-13 23:15:06,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:15:06,245 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2019-10-13 23:15:06,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:06,247 INFO L225 Difference]: With dead ends: 143 [2019-10-13 23:15:06,249 INFO L226 Difference]: Without dead ends: 84 [2019-10-13 23:15:06,251 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:15:06,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-10-13 23:15:06,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2019-10-13 23:15:06,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-10-13 23:15:06,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2019-10-13 23:15:06,276 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 49 [2019-10-13 23:15:06,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:06,279 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2019-10-13 23:15:06,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:15:06,280 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2019-10-13 23:15:06,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 23:15:06,284 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:06,284 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 23:15:06,285 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:06,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:06,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1094406160, now seen corresponding path program 1 times [2019-10-13 23:15:06,285 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:06,286 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486458529] [2019-10-13 23:15:06,286 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:06,286 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:06,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:06,455 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 23:15:06,458 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486458529] [2019-10-13 23:15:06,458 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:06,458 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:15:06,458 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6356184] [2019-10-13 23:15:06,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:15:06,459 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:06,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:15:06,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:15:06,460 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand 6 states. [2019-10-13 23:15:06,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:06,646 INFO L93 Difference]: Finished difference Result 194 states and 220 transitions. [2019-10-13 23:15:06,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:15:06,647 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-13 23:15:06,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:06,651 INFO L225 Difference]: With dead ends: 194 [2019-10-13 23:15:06,651 INFO L226 Difference]: Without dead ends: 135 [2019-10-13 23:15:06,652 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 23:15:06,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-10-13 23:15:06,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 131. [2019-10-13 23:15:06,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-13 23:15:06,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 145 transitions. [2019-10-13 23:15:06,676 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 145 transitions. Word has length 57 [2019-10-13 23:15:06,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:06,676 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 145 transitions. [2019-10-13 23:15:06,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:15:06,677 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 145 transitions. [2019-10-13 23:15:06,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 23:15:06,679 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:06,679 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, 1, 1, 1] [2019-10-13 23:15:06,679 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:06,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:06,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1511794245, now seen corresponding path program 1 times [2019-10-13 23:15:06,680 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:06,680 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929116826] [2019-10-13 23:15:06,683 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:06,683 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:06,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:06,810 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 23:15:06,811 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929116826] [2019-10-13 23:15:06,811 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:06,811 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:15:06,811 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431256307] [2019-10-13 23:15:06,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:15:06,812 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:06,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:15:06,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:15:06,813 INFO L87 Difference]: Start difference. First operand 131 states and 145 transitions. Second operand 7 states. [2019-10-13 23:15:07,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:07,126 INFO L93 Difference]: Finished difference Result 203 states and 232 transitions. [2019-10-13 23:15:07,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:15:07,127 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2019-10-13 23:15:07,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:07,128 INFO L225 Difference]: With dead ends: 203 [2019-10-13 23:15:07,128 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:15:07,130 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 23:15:07,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:15:07,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:15:07,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:15:07,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:15:07,132 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2019-10-13 23:15:07,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:07,132 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:15:07,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:15:07,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:15:07,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:15:07,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:15:07,830 INFO L443 ceAbstractionStarter]: For program point L506(lines 483 507) no Hoare annotation was computed. [2019-10-13 23:15:07,831 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 494) no Hoare annotation was computed. [2019-10-13 23:15:07,831 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 459 514) no Hoare annotation was computed. [2019-10-13 23:15:07,831 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 459 514) no Hoare annotation was computed. [2019-10-13 23:15:07,831 INFO L443 ceAbstractionStarter]: For program point L484-2(lines 484 505) no Hoare annotation was computed. [2019-10-13 23:15:07,831 INFO L443 ceAbstractionStarter]: For program point L541-2(lines 541 566) no Hoare annotation was computed. [2019-10-13 23:15:07,831 INFO L443 ceAbstractionStarter]: For program point L567(lines 540 568) no Hoare annotation was computed. [2019-10-13 23:15:07,832 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 515 574) no Hoare annotation was computed. [2019-10-13 23:15:07,832 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-13 23:15:07,832 INFO L443 ceAbstractionStarter]: For program point L560-1(line 560) no Hoare annotation was computed. [2019-10-13 23:15:07,832 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 515 574) no Hoare annotation was computed. [2019-10-13 23:15:07,832 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 515 574) no Hoare annotation was computed. [2019-10-13 23:15:07,832 INFO L443 ceAbstractionStarter]: For program point L547(lines 547 551) no Hoare annotation was computed. [2019-10-13 23:15:07,833 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 381 387) the Hoare annotation is: true [2019-10-13 23:15:07,833 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 381 387) no Hoare annotation was computed. [2019-10-13 23:15:07,833 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 388 396) no Hoare annotation was computed. [2019-10-13 23:15:07,833 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 388 396) the Hoare annotation is: true [2019-10-13 23:15:07,857 INFO L439 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0))) [2019-10-13 23:15:07,858 INFO L439 ceAbstractionStarter]: At program point L897-1(line 897) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0))) [2019-10-13 23:15:07,858 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 902) no Hoare annotation was computed. [2019-10-13 23:15:07,858 INFO L443 ceAbstractionStarter]: For program point L895-1(lines 895 902) no Hoare annotation was computed. [2019-10-13 23:15:07,858 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 885 907) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:07,858 INFO L443 ceAbstractionStarter]: For program point L893(line 893) no Hoare annotation was computed. [2019-10-13 23:15:07,859 INFO L439 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:07,859 INFO L439 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:07,859 INFO L439 ceAbstractionStarter]: At program point L891-1(line 891) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:07,859 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 885 907) no Hoare annotation was computed. [2019-10-13 23:15:07,859 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 843 866) no Hoare annotation was computed. [2019-10-13 23:15:07,859 INFO L443 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2019-10-13 23:15:07,860 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 843 866) no Hoare annotation was computed. [2019-10-13 23:15:07,860 INFO L443 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2019-10-13 23:15:07,860 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 843 866) no Hoare annotation was computed. [2019-10-13 23:15:07,860 INFO L443 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2019-10-13 23:15:07,860 INFO L443 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2019-10-13 23:15:07,860 INFO L443 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2019-10-13 23:15:07,860 INFO L443 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2019-10-13 23:15:07,861 INFO L443 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-10-13 23:15:07,861 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-10-13 23:15:07,861 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-10-13 23:15:07,861 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-10-13 23:15:07,861 INFO L443 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2019-10-13 23:15:07,861 INFO L443 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2019-10-13 23:15:07,862 INFO L443 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2019-10-13 23:15:07,862 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-10-13 23:15:07,862 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 295 303) no Hoare annotation was computed. [2019-10-13 23:15:07,862 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 295 303) the Hoare annotation is: true [2019-10-13 23:15:07,862 INFO L446 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: true [2019-10-13 23:15:07,862 INFO L443 ceAbstractionStarter]: For program point L347-1(line 347) no Hoare annotation was computed. [2019-10-13 23:15:07,863 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 340 358) the Hoare annotation is: true [2019-10-13 23:15:07,863 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 340 358) no Hoare annotation was computed. [2019-10-13 23:15:07,863 INFO L443 ceAbstractionStarter]: For program point L334(line 334) no Hoare annotation was computed. [2019-10-13 23:15:07,863 INFO L443 ceAbstractionStarter]: For program point L334-1(line 334) no Hoare annotation was computed. [2019-10-13 23:15:07,863 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 304 339) no Hoare annotation was computed. [2019-10-13 23:15:07,863 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 304 339) no Hoare annotation was computed. [2019-10-13 23:15:07,863 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 374 380) no Hoare annotation was computed. [2019-10-13 23:15:07,864 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 374 380) the Hoare annotation is: true [2019-10-13 23:15:07,864 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 413 458) no Hoare annotation was computed. [2019-10-13 23:15:07,864 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 413 458) no Hoare annotation was computed. [2019-10-13 23:15:07,864 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 726 771) no Hoare annotation was computed. [2019-10-13 23:15:07,864 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 726 771) no Hoare annotation was computed. [2019-10-13 23:15:07,864 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 874 884) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:07,865 INFO L439 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:07,865 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 874 884) no Hoare annotation was computed. [2019-10-13 23:15:07,865 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 874 884) no Hoare annotation was computed. [2019-10-13 23:15:07,865 INFO L443 ceAbstractionStarter]: For program point L289(line 289) no Hoare annotation was computed. [2019-10-13 23:15:07,865 INFO L443 ceAbstractionStarter]: For program point L289-1(line 289) no Hoare annotation was computed. [2019-10-13 23:15:07,865 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 284 294) no Hoare annotation was computed. [2019-10-13 23:15:07,865 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 284 294) no Hoare annotation was computed. [2019-10-13 23:15:07,866 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 276 283) the Hoare annotation is: true [2019-10-13 23:15:07,866 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 276 283) no Hoare annotation was computed. [2019-10-13 23:15:07,866 INFO L439 ceAbstractionStarter]: At program point L257(line 257) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:15:07,866 INFO L439 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:15:07,866 INFO L443 ceAbstractionStarter]: For program point L251(lines 251 259) no Hoare annotation was computed. [2019-10-13 23:15:07,866 INFO L439 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:15:07,866 INFO L443 ceAbstractionStarter]: For program point L249-1(line 249) no Hoare annotation was computed. [2019-10-13 23:15:07,867 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 264) no Hoare annotation was computed. [2019-10-13 23:15:07,867 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 243 267) no Hoare annotation was computed. [2019-10-13 23:15:07,867 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 243 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:15:07,867 INFO L439 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:15:07,867 INFO L443 ceAbstractionStarter]: For program point L262-1(lines 243 267) no Hoare annotation was computed. [2019-10-13 23:15:07,867 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 235 241) no Hoare annotation was computed. [2019-10-13 23:15:07,868 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 235 241) the Hoare annotation is: true [2019-10-13 23:15:07,868 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 138 201) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:07,868 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 138 201) no Hoare annotation was computed. [2019-10-13 23:15:07,868 INFO L439 ceAbstractionStarter]: At program point L184-2(lines 178 189) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:07,868 INFO L443 ceAbstractionStarter]: For program point L149(lines 148 193) no Hoare annotation was computed. [2019-10-13 23:15:07,868 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:07,869 INFO L443 ceAbstractionStarter]: For program point L168(lines 168 174) no Hoare annotation was computed. [2019-10-13 23:15:07,869 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2019-10-13 23:15:07,869 INFO L439 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:07,869 INFO L439 ceAbstractionStarter]: At program point L191(lines 148 193) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:07,869 INFO L443 ceAbstractionStarter]: For program point L158(lines 158 164) no Hoare annotation was computed. [2019-10-13 23:15:07,870 INFO L443 ceAbstractionStarter]: For program point L158-1(lines 158 164) no Hoare annotation was computed. [2019-10-13 23:15:07,870 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 138 201) no Hoare annotation was computed. [2019-10-13 23:15:07,870 INFO L439 ceAbstractionStarter]: At program point L194(lines 147 195) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:07,870 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 680 725) no Hoare annotation was computed. [2019-10-13 23:15:07,870 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 680 725) no Hoare annotation was computed. [2019-10-13 23:15:07,870 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2019-10-13 23:15:07,871 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2019-10-13 23:15:07,871 INFO L439 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:15:07,871 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 801) no Hoare annotation was computed. [2019-10-13 23:15:07,871 INFO L443 ceAbstractionStarter]: For program point L794(lines 794 804) no Hoare annotation was computed. [2019-10-13 23:15:07,871 INFO L439 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:15:07,871 INFO L443 ceAbstractionStarter]: For program point L792-1(line 792) no Hoare annotation was computed. [2019-10-13 23:15:07,871 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 807) no Hoare annotation was computed. [2019-10-13 23:15:07,872 INFO L443 ceAbstractionStarter]: For program point L790-1(lines 782 810) no Hoare annotation was computed. [2019-10-13 23:15:07,872 INFO L446 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2019-10-13 23:15:07,872 INFO L443 ceAbstractionStarter]: For program point L788-1(line 788) no Hoare annotation was computed. [2019-10-13 23:15:07,872 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 782 810) the Hoare annotation is: true [2019-10-13 23:15:07,872 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 782 810) no Hoare annotation was computed. [2019-10-13 23:15:07,872 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-13 23:15:07,873 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-13 23:15:07,873 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 774 781) the Hoare annotation is: true [2019-10-13 23:15:07,873 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 774 781) no Hoare annotation was computed. [2019-10-13 23:15:07,873 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 364 373) no Hoare annotation was computed. [2019-10-13 23:15:07,873 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 364 373) no Hoare annotation was computed. [2019-10-13 23:15:07,873 INFO L443 ceAbstractionStarter]: For program point L642-1(line 642) no Hoare annotation was computed. [2019-10-13 23:15:07,873 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 577 679) no Hoare annotation was computed. [2019-10-13 23:15:07,873 INFO L443 ceAbstractionStarter]: For program point L601(lines 601 605) no Hoare annotation was computed. [2019-10-13 23:15:07,874 INFO L443 ceAbstractionStarter]: For program point L626-2(lines 626 646) no Hoare annotation was computed. [2019-10-13 23:15:07,874 INFO L443 ceAbstractionStarter]: For program point L647(lines 625 648) no Hoare annotation was computed. [2019-10-13 23:15:07,874 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 577 679) no Hoare annotation was computed. [2019-10-13 23:15:07,874 INFO L443 ceAbstractionStarter]: For program point L606(lines 606 622) no Hoare annotation was computed. [2019-10-13 23:15:07,874 INFO L443 ceAbstractionStarter]: For program point L627(lines 626 646) no Hoare annotation was computed. [2019-10-13 23:15:07,874 INFO L443 ceAbstractionStarter]: For program point L658(line 658) no Hoare annotation was computed. [2019-10-13 23:15:07,874 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 577 679) no Hoare annotation was computed. [2019-10-13 23:15:07,875 INFO L443 ceAbstractionStarter]: For program point L658-1(line 658) no Hoare annotation was computed. [2019-10-13 23:15:07,875 INFO L443 ceAbstractionStarter]: For program point L623(lines 623 664) no Hoare annotation was computed. [2019-10-13 23:15:07,875 INFO L443 ceAbstractionStarter]: For program point L642(line 642) no Hoare annotation was computed. [2019-10-13 23:15:07,875 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:15:07,875 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:15:07,875 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 268 275) no Hoare annotation was computed. [2019-10-13 23:15:07,875 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 268 275) no Hoare annotation was computed. [2019-10-13 23:15:07,875 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2019-10-13 23:15:07,876 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-13 23:15:07,876 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2019-10-13 23:15:07,876 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-13 23:15:07,876 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:15:07,876 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:15:07,876 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-13 23:15:07,876 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-13 23:15:07,877 INFO L439 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:15:07,877 INFO L439 ceAbstractionStarter]: At program point L222(lines 222 228) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:15:07,877 INFO L439 ceAbstractionStarter]: At program point L217(line 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:15:07,877 INFO L443 ceAbstractionStarter]: For program point L215(lines 214 233) no Hoare annotation was computed. [2019-10-13 23:15:07,877 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 211 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:15:07,877 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 211 234) no Hoare annotation was computed. [2019-10-13 23:15:07,878 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 211 234) no Hoare annotation was computed. [2019-10-13 23:15:07,878 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 813 842) no Hoare annotation was computed. [2019-10-13 23:15:07,878 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 813 842) the Hoare annotation is: true [2019-10-13 23:15:07,878 INFO L443 ceAbstractionStarter]: For program point L827(lines 827 831) no Hoare annotation was computed. [2019-10-13 23:15:07,878 INFO L446 ceAbstractionStarter]: At program point L827-1(lines 827 831) the Hoare annotation is: true [2019-10-13 23:15:07,878 INFO L446 ceAbstractionStarter]: At program point L823-2(lines 823 837) the Hoare annotation is: true [2019-10-13 23:15:07,878 INFO L446 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2019-10-13 23:15:07,879 INFO L443 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2019-10-13 23:15:07,879 INFO L446 ceAbstractionStarter]: At program point L838(lines 813 842) the Hoare annotation is: true [2019-10-13 23:15:07,879 INFO L443 ceAbstractionStarter]: For program point L834(line 834) no Hoare annotation was computed. [2019-10-13 23:15:07,879 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-13 23:15:07,879 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-13 23:15:07,879 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 867 873) no Hoare annotation was computed. [2019-10-13 23:15:07,879 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 867 873) the Hoare annotation is: true [2019-10-13 23:15:07,880 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:15:07,880 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 23:15:07,880 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:15:07,880 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:15:07,880 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-13 23:15:07,880 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2019-10-13 23:15:07,880 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 398 405) the Hoare annotation is: true [2019-10-13 23:15:07,881 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 402) no Hoare annotation was computed. [2019-10-13 23:15:07,881 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 398 405) no Hoare annotation was computed. [2019-10-13 23:15:07,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:15:07 BoogieIcfgContainer [2019-10-13 23:15:07,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:15:07,903 INFO L168 Benchmark]: Toolchain (without parser) took 5439.14 ms. Allocated memory was 140.0 MB in the beginning and 284.7 MB in the end (delta: 144.7 MB). Free memory was 102.8 MB in the beginning and 243.1 MB in the end (delta: -140.3 MB). Peak memory consumption was 111.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:07,904 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 23:15:07,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.34 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 102.6 MB in the beginning and 169.8 MB in the end (delta: -67.2 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:07,906 INFO L168 Benchmark]: Boogie Preprocessor took 83.27 ms. Allocated memory is still 203.4 MB. Free memory was 169.8 MB in the beginning and 165.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:07,910 INFO L168 Benchmark]: RCFGBuilder took 1615.26 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 165.9 MB in the beginning and 145.5 MB in the end (delta: 20.5 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:07,911 INFO L168 Benchmark]: TraceAbstraction took 3061.04 ms. Allocated memory was 234.4 MB in the beginning and 284.7 MB in the end (delta: 50.3 MB). Free memory was 145.5 MB in the beginning and 243.1 MB in the end (delta: -97.6 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:07,920 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.34 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 102.6 MB in the beginning and 169.8 MB in the end (delta: -67.2 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.27 ms. Allocated memory is still 203.4 MB. Free memory was 169.8 MB in the beginning and 165.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1615.26 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 165.9 MB in the beginning and 145.5 MB in the end (delta: 20.5 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3061.04 ms. Allocated memory was 234.4 MB in the beginning and 284.7 MB in the end (delta: 50.3 MB). Free memory was 145.5 MB in the beginning and 243.1 MB in the end (delta: -97.6 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 402]: 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: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 170 locations, 1 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 445 SDtfs, 194 SDslu, 674 SDs, 0 SdLazy, 291 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s 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, 51 LocationsWithAnnotation, 223 PreInvPairs, 235 NumberOfFragments, 434 HoareAnnotationTreeSize, 223 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 734 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 23858 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...