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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:07,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:07,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:07,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:07,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:07,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:07,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:07,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:07,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:07,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:07,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:07,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:07,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:07,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:07,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:07,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:07,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:07,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:07,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:07,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:07,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:07,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:07,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:07,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:07,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:07,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:07,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:07,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:07,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:07,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:07,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:07,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:07,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:07,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:07,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:07,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:07,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:07,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:07,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:07,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:07,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:07,323 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 21:22:07,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:07,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:07,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:07,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:07,346 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:07,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:07,346 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:07,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:07,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:07,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:07,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:07,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:07,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:07,348 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:07,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:07,348 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:07,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:07,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:07,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:07,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:07,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:07,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:07,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:07,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:07,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:07,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:07,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:07,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:07,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:22:07,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:07,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:07,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:07,626 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:07,627 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:07,627 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2019-10-13 21:22:07,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0077ec5f2/c91f38e497894814be1ad8a159eefc78/FLAGdf6924ad2 [2019-10-13 21:22:08,265 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:08,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2019-10-13 21:22:08,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0077ec5f2/c91f38e497894814be1ad8a159eefc78/FLAGdf6924ad2 [2019-10-13 21:22:08,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0077ec5f2/c91f38e497894814be1ad8a159eefc78 [2019-10-13 21:22:08,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:08,515 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:08,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:08,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:08,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:08,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:08" (1/1) ... [2019-10-13 21:22:08,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24245c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:08, skipping insertion in model container [2019-10-13 21:22:08,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:08" (1/1) ... [2019-10-13 21:22:08,530 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:08,591 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:09,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:09,102 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:09,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:09,227 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:09,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09 WrapperNode [2019-10-13 21:22:09,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:09,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:09,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:09,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:09,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09" (1/1) ... [2019-10-13 21:22:09,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09" (1/1) ... [2019-10-13 21:22:09,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09" (1/1) ... [2019-10-13 21:22:09,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09" (1/1) ... [2019-10-13 21:22:09,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09" (1/1) ... [2019-10-13 21:22:09,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09" (1/1) ... [2019-10-13 21:22:09,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09" (1/1) ... [2019-10-13 21:22:09,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:09,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:09,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:09,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:09,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09" (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 21:22:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:09,421 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:09,421 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:22:09,423 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:09,423 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:09,423 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:22:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:09,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:09,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:22:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:22:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:22:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:09,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:09,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:09,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:22:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:22:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:22:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:22:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:22:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:10,689 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:10,690 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:10,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:10 BoogieIcfgContainer [2019-10-13 21:22:10,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:10,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:10,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:10,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:10,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:08" (1/3) ... [2019-10-13 21:22:10,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f61180a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:10, skipping insertion in model container [2019-10-13 21:22:10,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09" (2/3) ... [2019-10-13 21:22:10,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f61180a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:10, skipping insertion in model container [2019-10-13 21:22:10,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:10" (3/3) ... [2019-10-13 21:22:10,703 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2019-10-13 21:22:10,713 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:10,724 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:10,737 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:10,781 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:10,781 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:10,781 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:10,781 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:10,782 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:10,782 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:10,783 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:10,783 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:10,816 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2019-10-13 21:22:10,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:22:10,833 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:10,834 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 21:22:10,837 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:10,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:10,844 INFO L82 PathProgramCache]: Analyzing trace with hash -589768967, now seen corresponding path program 1 times [2019-10-13 21:22:10,854 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:10,855 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803512130] [2019-10-13 21:22:10,855 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:10,856 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:10,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:11,206 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 21:22:11,207 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803512130] [2019-10-13 21:22:11,208 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:11,209 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:11,210 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486828275] [2019-10-13 21:22:11,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:11,218 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:11,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:11,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:11,237 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2019-10-13 21:22:11,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:11,284 INFO L93 Difference]: Finished difference Result 298 states and 365 transitions. [2019-10-13 21:22:11,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:11,286 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:22:11,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:11,300 INFO L225 Difference]: With dead ends: 298 [2019-10-13 21:22:11,301 INFO L226 Difference]: Without dead ends: 149 [2019-10-13 21:22:11,306 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 21:22:11,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-10-13 21:22:11,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-10-13 21:22:11,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-10-13 21:22:11,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2019-10-13 21:22:11,366 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 46 [2019-10-13 21:22:11,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:11,367 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2019-10-13 21:22:11,367 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:11,367 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2019-10-13 21:22:11,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:22:11,371 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:11,371 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 21:22:11,371 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:11,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:11,372 INFO L82 PathProgramCache]: Analyzing trace with hash -211037911, now seen corresponding path program 1 times [2019-10-13 21:22:11,372 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:11,372 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630700931] [2019-10-13 21:22:11,373 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:11,373 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:11,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:11,545 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 21:22:11,546 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630700931] [2019-10-13 21:22:11,546 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:11,547 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:11,547 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862145475] [2019-10-13 21:22:11,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:11,549 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:11,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:11,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:11,550 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 3 states. [2019-10-13 21:22:11,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:11,575 INFO L93 Difference]: Finished difference Result 241 states and 279 transitions. [2019-10-13 21:22:11,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:11,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:22:11,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:11,578 INFO L225 Difference]: With dead ends: 241 [2019-10-13 21:22:11,578 INFO L226 Difference]: Without dead ends: 140 [2019-10-13 21:22:11,580 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 21:22:11,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-13 21:22:11,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-10-13 21:22:11,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-13 21:22:11,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2019-10-13 21:22:11,596 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 47 [2019-10-13 21:22:11,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:11,596 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2019-10-13 21:22:11,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:11,597 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2019-10-13 21:22:11,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 21:22:11,599 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:11,599 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] [2019-10-13 21:22:11,599 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:11,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:11,600 INFO L82 PathProgramCache]: Analyzing trace with hash 607971640, now seen corresponding path program 1 times [2019-10-13 21:22:11,603 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:11,603 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40274374] [2019-10-13 21:22:11,604 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:11,604 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:11,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:11,817 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 21:22:11,818 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40274374] [2019-10-13 21:22:11,819 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:11,819 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:11,819 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960912034] [2019-10-13 21:22:11,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:11,820 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:11,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:11,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:11,822 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand 7 states. [2019-10-13 21:22:12,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:12,406 INFO L93 Difference]: Finished difference Result 422 states and 504 transitions. [2019-10-13 21:22:12,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:12,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-13 21:22:12,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:12,412 INFO L225 Difference]: With dead ends: 422 [2019-10-13 21:22:12,412 INFO L226 Difference]: Without dead ends: 306 [2019-10-13 21:22:12,414 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 21:22:12,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2019-10-13 21:22:12,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 298. [2019-10-13 21:22:12,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2019-10-13 21:22:12,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 356 transitions. [2019-10-13 21:22:12,461 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 356 transitions. Word has length 51 [2019-10-13 21:22:12,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:12,461 INFO L462 AbstractCegarLoop]: Abstraction has 298 states and 356 transitions. [2019-10-13 21:22:12,462 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:12,462 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 356 transitions. [2019-10-13 21:22:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:22:12,465 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:12,465 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 21:22:12,466 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:12,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:12,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1795694260, now seen corresponding path program 1 times [2019-10-13 21:22:12,466 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:12,467 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4252242] [2019-10-13 21:22:12,467 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:12,467 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:12,467 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:12,639 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 21:22:12,644 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4252242] [2019-10-13 21:22:12,644 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:12,644 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:22:12,645 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979824192] [2019-10-13 21:22:12,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:22:12,646 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:12,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:22:12,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:12,646 INFO L87 Difference]: Start difference. First operand 298 states and 356 transitions. Second operand 10 states. [2019-10-13 21:22:13,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:13,409 INFO L93 Difference]: Finished difference Result 1072 states and 1372 transitions. [2019-10-13 21:22:13,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:22:13,410 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-10-13 21:22:13,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:13,418 INFO L225 Difference]: With dead ends: 1072 [2019-10-13 21:22:13,419 INFO L226 Difference]: Without dead ends: 798 [2019-10-13 21:22:13,422 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:13,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2019-10-13 21:22:13,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 786. [2019-10-13 21:22:13,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2019-10-13 21:22:13,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 972 transitions. [2019-10-13 21:22:13,550 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 972 transitions. Word has length 57 [2019-10-13 21:22:13,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:13,551 INFO L462 AbstractCegarLoop]: Abstraction has 786 states and 972 transitions. [2019-10-13 21:22:13,551 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:22:13,551 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 972 transitions. [2019-10-13 21:22:13,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 21:22:13,560 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:13,561 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, 1] [2019-10-13 21:22:13,561 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:13,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:13,561 INFO L82 PathProgramCache]: Analyzing trace with hash 2070558330, now seen corresponding path program 1 times [2019-10-13 21:22:13,562 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:13,562 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961136337] [2019-10-13 21:22:13,562 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:13,562 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:13,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:13,674 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 21:22:13,674 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961136337] [2019-10-13 21:22:13,674 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:13,675 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:13,675 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524320829] [2019-10-13 21:22:13,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:13,676 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:13,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:13,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:13,677 INFO L87 Difference]: Start difference. First operand 786 states and 972 transitions. Second operand 4 states. [2019-10-13 21:22:14,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:14,141 INFO L93 Difference]: Finished difference Result 1938 states and 2607 transitions. [2019-10-13 21:22:14,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:22:14,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-10-13 21:22:14,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:14,151 INFO L225 Difference]: With dead ends: 1938 [2019-10-13 21:22:14,151 INFO L226 Difference]: Without dead ends: 1176 [2019-10-13 21:22:14,155 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:22:14,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2019-10-13 21:22:14,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1041. [2019-10-13 21:22:14,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1041 states. [2019-10-13 21:22:14,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1298 transitions. [2019-10-13 21:22:14,254 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1298 transitions. Word has length 61 [2019-10-13 21:22:14,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:14,257 INFO L462 AbstractCegarLoop]: Abstraction has 1041 states and 1298 transitions. [2019-10-13 21:22:14,257 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:14,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1298 transitions. [2019-10-13 21:22:14,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:22:14,260 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:14,260 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:14,260 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:14,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:14,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1347234794, now seen corresponding path program 1 times [2019-10-13 21:22:14,261 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:14,261 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132325162] [2019-10-13 21:22:14,262 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:14,262 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:14,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:14,400 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 21:22:14,400 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132325162] [2019-10-13 21:22:14,400 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063154141] [2019-10-13 21:22:14,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:14,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:22:14,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:14,719 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:14,719 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:14,836 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:14,966 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:14,967 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1485904059] [2019-10-13 21:22:14,973 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 89 [2019-10-13 21:22:15,020 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:15,020 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:15,090 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:15,092 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-13 21:22:15,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:15,096 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:15,157 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:15,158 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:15,161 INFO L553 sIntCurrentIteration]: We unified 87 AI predicates to 87 [2019-10-13 21:22:15,162 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:15,163 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:15,163 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-13 21:22:15,163 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181086937] [2019-10-13 21:22:15,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:15,167 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:15,168 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:15,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:15,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:15,168 INFO L87 Difference]: Start difference. First operand 1041 states and 1298 transitions. Second operand 2 states. [2019-10-13 21:22:15,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:15,189 INFO L93 Difference]: Finished difference Result 1041 states and 1298 transitions. [2019-10-13 21:22:15,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:15,189 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 88 [2019-10-13 21:22:15,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:15,190 INFO L225 Difference]: With dead ends: 1041 [2019-10-13 21:22:15,190 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:15,193 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 87 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 21:22:15,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:15,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:15,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:15,194 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-10-13 21:22:15,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:15,194 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:15,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:15,195 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:15,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:15,403 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:15,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:15,788 INFO L443 ceAbstractionStarter]: For program point L703(line 703) no Hoare annotation was computed. [2019-10-13 21:22:15,788 INFO L443 ceAbstractionStarter]: For program point L702-2(lines 702 723) no Hoare annotation was computed. [2019-10-13 21:22:15,788 INFO L443 ceAbstractionStarter]: For program point L724(lines 701 725) no Hoare annotation was computed. [2019-10-13 21:22:15,788 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 677 732) no Hoare annotation was computed. [2019-10-13 21:22:15,788 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 677 732) no Hoare annotation was computed. [2019-10-13 21:22:15,789 INFO L443 ceAbstractionStarter]: For program point L708(lines 708 712) no Hoare annotation was computed. [2019-10-13 21:22:15,789 INFO L443 ceAbstractionStarter]: For program point L708-1(lines 708 712) no Hoare annotation was computed. [2019-10-13 21:22:15,789 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 677 732) no Hoare annotation was computed. [2019-10-13 21:22:15,789 INFO L443 ceAbstractionStarter]: For program point L765(lines 765 769) no Hoare annotation was computed. [2019-10-13 21:22:15,789 INFO L443 ceAbstractionStarter]: For program point L765-1(lines 765 769) no Hoare annotation was computed. [2019-10-13 21:22:15,789 INFO L443 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2019-10-13 21:22:15,789 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 733 792) no Hoare annotation was computed. [2019-10-13 21:22:15,790 INFO L443 ceAbstractionStarter]: For program point L759-2(lines 759 784) no Hoare annotation was computed. [2019-10-13 21:22:15,790 INFO L443 ceAbstractionStarter]: For program point L785(lines 758 786) no Hoare annotation was computed. [2019-10-13 21:22:15,790 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 733 792) no Hoare annotation was computed. [2019-10-13 21:22:15,790 INFO L443 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2019-10-13 21:22:15,790 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 733 792) no Hoare annotation was computed. [2019-10-13 21:22:15,790 INFO L443 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2019-10-13 21:22:15,791 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-13 21:22:15,791 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-13 21:22:15,791 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-13 21:22:15,791 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-13 21:22:15,791 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-10-13 21:22:15,791 INFO L446 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2019-10-13 21:22:15,791 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 81 105) the Hoare annotation is: true [2019-10-13 21:22:15,792 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 99) no Hoare annotation was computed. [2019-10-13 21:22:15,792 INFO L446 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: true [2019-10-13 21:22:15,792 INFO L443 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2019-10-13 21:22:15,792 INFO L443 ceAbstractionStarter]: For program point L89(lines 89 102) no Hoare annotation was computed. [2019-10-13 21:22:15,792 INFO L443 ceAbstractionStarter]: For program point L89-1(lines 81 105) no Hoare annotation was computed. [2019-10-13 21:22:15,792 INFO L446 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: true [2019-10-13 21:22:15,792 INFO L443 ceAbstractionStarter]: For program point L87-1(line 87) no Hoare annotation was computed. [2019-10-13 21:22:15,793 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 81 105) no Hoare annotation was computed. [2019-10-13 21:22:15,793 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 489 511) the Hoare annotation is: true [2019-10-13 21:22:15,793 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 489 511) no Hoare annotation was computed. [2019-10-13 21:22:15,793 INFO L446 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: true [2019-10-13 21:22:15,793 INFO L446 ceAbstractionStarter]: At program point L501-1(line 501) the Hoare annotation is: true [2019-10-13 21:22:15,793 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 506) no Hoare annotation was computed. [2019-10-13 21:22:15,793 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 499 506) no Hoare annotation was computed. [2019-10-13 21:22:15,794 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-13 21:22:15,794 INFO L446 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: true [2019-10-13 21:22:15,794 INFO L446 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: true [2019-10-13 21:22:15,794 INFO L446 ceAbstractionStarter]: At program point L495-1(line 495) the Hoare annotation is: true [2019-10-13 21:22:15,794 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 489 511) no Hoare annotation was computed. [2019-10-13 21:22:15,794 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 448 471) no Hoare annotation was computed. [2019-10-13 21:22:15,794 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 448 471) no Hoare annotation was computed. [2019-10-13 21:22:15,794 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 448 471) no Hoare annotation was computed. [2019-10-13 21:22:15,795 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-13 21:22:15,795 INFO L443 ceAbstractionStarter]: For program point L465(line 465) no Hoare annotation was computed. [2019-10-13 21:22:15,795 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-13 21:22:15,795 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-13 21:22:15,795 INFO L443 ceAbstractionStarter]: For program point L462(line 462) no Hoare annotation was computed. [2019-10-13 21:22:15,795 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-13 21:22:15,795 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-13 21:22:15,795 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-10-13 21:22:15,796 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-13 21:22:15,796 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-13 21:22:15,796 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-10-13 21:22:15,796 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-13 21:22:15,796 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-13 21:22:15,796 INFO L443 ceAbstractionStarter]: For program point L453(line 453) no Hoare annotation was computed. [2019-10-13 21:22:15,796 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 401 415) no Hoare annotation was computed. [2019-10-13 21:22:15,796 INFO L446 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: true [2019-10-13 21:22:15,797 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 401 415) the Hoare annotation is: true [2019-10-13 21:22:15,797 INFO L443 ceAbstractionStarter]: For program point L405(lines 405 411) no Hoare annotation was computed. [2019-10-13 21:22:15,797 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 401 415) no Hoare annotation was computed. [2019-10-13 21:22:15,797 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 318 326) no Hoare annotation was computed. [2019-10-13 21:22:15,797 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 318 326) the Hoare annotation is: true [2019-10-13 21:22:15,797 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 318 326) no Hoare annotation was computed. [2019-10-13 21:22:15,797 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 382 400) the Hoare annotation is: true [2019-10-13 21:22:15,798 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 395) no Hoare annotation was computed. [2019-10-13 21:22:15,798 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 382 400) no Hoare annotation was computed. [2019-10-13 21:22:15,798 INFO L446 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: true [2019-10-13 21:22:15,798 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 391 395) no Hoare annotation was computed. [2019-10-13 21:22:15,798 INFO L443 ceAbstractionStarter]: For program point L389-1(line 389) no Hoare annotation was computed. [2019-10-13 21:22:15,798 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 382 400) no Hoare annotation was computed. [2019-10-13 21:22:15,798 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 354) no Hoare annotation was computed. [2019-10-13 21:22:15,798 INFO L443 ceAbstractionStarter]: For program point L346-2(lines 346 354) no Hoare annotation was computed. [2019-10-13 21:22:15,799 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 327 362) no Hoare annotation was computed. [2019-10-13 21:22:15,799 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 342) no Hoare annotation was computed. [2019-10-13 21:22:15,799 INFO L443 ceAbstractionStarter]: For program point L334-2(lines 334 342) no Hoare annotation was computed. [2019-10-13 21:22:15,799 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 327 362) no Hoare annotation was computed. [2019-10-13 21:22:15,799 INFO L443 ceAbstractionStarter]: For program point L357(line 357) no Hoare annotation was computed. [2019-10-13 21:22:15,799 INFO L443 ceAbstractionStarter]: For program point L357-1(line 357) no Hoare annotation was computed. [2019-10-13 21:22:15,799 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 327 362) no Hoare annotation was computed. [2019-10-13 21:22:15,799 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-13 21:22:15,800 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-13 21:22:15,800 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 631 676) no Hoare annotation was computed. [2019-10-13 21:22:15,800 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 631 676) no Hoare annotation was computed. [2019-10-13 21:22:15,800 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 631 676) no Hoare annotation was computed. [2019-10-13 21:22:15,800 INFO L443 ceAbstractionStarter]: For program point L958(lines 958 978) no Hoare annotation was computed. [2019-10-13 21:22:15,800 INFO L443 ceAbstractionStarter]: For program point L958-1(lines 958 978) no Hoare annotation was computed. [2019-10-13 21:22:15,800 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 944 989) no Hoare annotation was computed. [2019-10-13 21:22:15,800 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 944 989) no Hoare annotation was computed. [2019-10-13 21:22:15,800 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 944 989) no Hoare annotation was computed. [2019-10-13 21:22:15,801 INFO L443 ceAbstractionStarter]: For program point L964(lines 964 971) no Hoare annotation was computed. [2019-10-13 21:22:15,801 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 479 488) the Hoare annotation is: true [2019-10-13 21:22:15,801 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 479 488) no Hoare annotation was computed. [2019-10-13 21:22:15,801 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 479 488) no Hoare annotation was computed. [2019-10-13 21:22:15,801 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 307 317) the Hoare annotation is: true [2019-10-13 21:22:15,801 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 307 317) no Hoare annotation was computed. [2019-10-13 21:22:15,801 INFO L446 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: true [2019-10-13 21:22:15,801 INFO L443 ceAbstractionStarter]: For program point L312-1(line 312) no Hoare annotation was computed. [2019-10-13 21:22:15,802 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 307 317) no Hoare annotation was computed. [2019-10-13 21:22:15,802 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 299 306) the Hoare annotation is: true [2019-10-13 21:22:15,802 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 299 306) no Hoare annotation was computed. [2019-10-13 21:22:15,802 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 299 306) no Hoare annotation was computed. [2019-10-13 21:22:15,802 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 592 605) no Hoare annotation was computed. [2019-10-13 21:22:15,802 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2019-10-13 21:22:15,802 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 592 605) the Hoare annotation is: true [2019-10-13 21:22:15,803 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 592 605) no Hoare annotation was computed. [2019-10-13 21:22:15,803 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 264) no Hoare annotation was computed. [2019-10-13 21:22:15,803 INFO L446 ceAbstractionStarter]: At program point L254(line 254) the Hoare annotation is: true [2019-10-13 21:22:15,803 INFO L443 ceAbstractionStarter]: For program point L254-1(line 254) no Hoare annotation was computed. [2019-10-13 21:22:15,803 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 269) no Hoare annotation was computed. [2019-10-13 21:22:15,803 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 248 272) no Hoare annotation was computed. [2019-10-13 21:22:15,803 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 248 272) the Hoare annotation is: true [2019-10-13 21:22:15,803 INFO L446 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: true [2019-10-13 21:22:15,803 INFO L443 ceAbstractionStarter]: For program point L267-1(lines 248 272) no Hoare annotation was computed. [2019-10-13 21:22:15,804 INFO L446 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: true [2019-10-13 21:22:15,804 INFO L446 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: true [2019-10-13 21:22:15,804 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 214 220) no Hoare annotation was computed. [2019-10-13 21:22:15,804 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 214 220) the Hoare annotation is: true [2019-10-13 21:22:15,804 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 112 177) the Hoare annotation is: true [2019-10-13 21:22:15,804 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 128) no Hoare annotation was computed. [2019-10-13 21:22:15,804 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 112 177) no Hoare annotation was computed. [2019-10-13 21:22:15,804 INFO L446 ceAbstractionStarter]: At program point L170(lines 121 171) the Hoare annotation is: true [2019-10-13 21:22:15,805 INFO L446 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: true [2019-10-13 21:22:15,805 INFO L443 ceAbstractionStarter]: For program point L158(lines 158 164) no Hoare annotation was computed. [2019-10-13 21:22:15,805 INFO L446 ceAbstractionStarter]: At program point L158-1(lines 152 165) the Hoare annotation is: true [2019-10-13 21:22:15,805 INFO L443 ceAbstractionStarter]: For program point L123(lines 122 169) no Hoare annotation was computed. [2019-10-13 21:22:15,805 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 165) no Hoare annotation was computed. [2019-10-13 21:22:15,805 INFO L446 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: true [2019-10-13 21:22:15,805 INFO L443 ceAbstractionStarter]: For program point L142(lines 142 148) no Hoare annotation was computed. [2019-10-13 21:22:15,805 INFO L443 ceAbstractionStarter]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2019-10-13 21:22:15,806 INFO L446 ceAbstractionStarter]: At program point L167(lines 122 169) the Hoare annotation is: true [2019-10-13 21:22:15,806 INFO L446 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: true [2019-10-13 21:22:15,806 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 138) no Hoare annotation was computed. [2019-10-13 21:22:15,806 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2019-10-13 21:22:15,806 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 112 177) no Hoare annotation was computed. [2019-10-13 21:22:15,806 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 898 943) no Hoare annotation was computed. [2019-10-13 21:22:15,806 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 925) no Hoare annotation was computed. [2019-10-13 21:22:15,806 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 898 943) no Hoare annotation was computed. [2019-10-13 21:22:15,806 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 898 943) no Hoare annotation was computed. [2019-10-13 21:22:15,807 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 932) no Hoare annotation was computed. [2019-10-13 21:22:15,807 INFO L443 ceAbstractionStarter]: For program point L912-1(lines 912 932) no Hoare annotation was computed. [2019-10-13 21:22:15,807 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 273 280) the Hoare annotation is: true [2019-10-13 21:22:15,807 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 273 280) no Hoare annotation was computed. [2019-10-13 21:22:15,807 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 273 280) no Hoare annotation was computed. [2019-10-13 21:22:15,807 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 606 614) no Hoare annotation was computed. [2019-10-13 21:22:15,807 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 606 614) the Hoare annotation is: true [2019-10-13 21:22:15,807 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 606 614) no Hoare annotation was computed. [2019-10-13 21:22:15,808 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 560 582) no Hoare annotation was computed. [2019-10-13 21:22:15,808 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 576) no Hoare annotation was computed. [2019-10-13 21:22:15,808 INFO L443 ceAbstractionStarter]: For program point L568-2(lines 568 576) no Hoare annotation was computed. [2019-10-13 21:22:15,808 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 560 582) no Hoare annotation was computed. [2019-10-13 21:22:15,808 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 560 582) no Hoare annotation was computed. [2019-10-13 21:22:15,808 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:22:15,808 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:22:15,808 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:22:15,808 INFO L443 ceAbstractionStarter]: For program point L865(lines 843 866) no Hoare annotation was computed. [2019-10-13 21:22:15,809 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 795 897) no Hoare annotation was computed. [2019-10-13 21:22:15,809 INFO L443 ceAbstractionStarter]: For program point L824(lines 824 840) no Hoare annotation was computed. [2019-10-13 21:22:15,809 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 891) no Hoare annotation was computed. [2019-10-13 21:22:15,809 INFO L443 ceAbstractionStarter]: For program point L845(lines 844 864) no Hoare annotation was computed. [2019-10-13 21:22:15,809 INFO L443 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2019-10-13 21:22:15,809 INFO L443 ceAbstractionStarter]: For program point L876-1(line 876) no Hoare annotation was computed. [2019-10-13 21:22:15,809 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 882) no Hoare annotation was computed. [2019-10-13 21:22:15,809 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 795 897) no Hoare annotation was computed. [2019-10-13 21:22:15,809 INFO L443 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2019-10-13 21:22:15,810 INFO L443 ceAbstractionStarter]: For program point L860-1(line 860) no Hoare annotation was computed. [2019-10-13 21:22:15,810 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 823) no Hoare annotation was computed. [2019-10-13 21:22:15,810 INFO L443 ceAbstractionStarter]: For program point L883(lines 883 894) no Hoare annotation was computed. [2019-10-13 21:22:15,810 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 795 897) no Hoare annotation was computed. [2019-10-13 21:22:15,810 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 850) no Hoare annotation was computed. [2019-10-13 21:22:15,810 INFO L443 ceAbstractionStarter]: For program point L844-2(lines 844 864) no Hoare annotation was computed. [2019-10-13 21:22:15,810 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:15,811 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 21:22:15,811 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:15,811 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 295) no Hoare annotation was computed. [2019-10-13 21:22:15,811 INFO L446 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: true [2019-10-13 21:22:15,811 INFO L443 ceAbstractionStarter]: For program point L287-1(line 287) no Hoare annotation was computed. [2019-10-13 21:22:15,811 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 282 298) no Hoare annotation was computed. [2019-10-13 21:22:15,811 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 282 298) the Hoare annotation is: true [2019-10-13 21:22:15,811 INFO L446 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: true [2019-10-13 21:22:15,811 INFO L443 ceAbstractionStarter]: For program point L293-1(lines 282 298) no Hoare annotation was computed. [2019-10-13 21:22:15,812 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 583 591) the Hoare annotation is: true [2019-10-13 21:22:15,812 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 583 591) no Hoare annotation was computed. [2019-10-13 21:22:15,812 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 583 591) no Hoare annotation was computed. [2019-10-13 21:22:15,812 INFO L443 ceAbstractionStarter]: For program point L370-1(line 370) no Hoare annotation was computed. [2019-10-13 21:22:15,812 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 363 381) no Hoare annotation was computed. [2019-10-13 21:22:15,812 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 363 381) the Hoare annotation is: true [2019-10-13 21:22:15,812 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 363 381) no Hoare annotation was computed. [2019-10-13 21:22:15,812 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 376) no Hoare annotation was computed. [2019-10-13 21:22:15,813 INFO L446 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: true [2019-10-13 21:22:15,813 INFO L443 ceAbstractionStarter]: For program point L372-2(lines 372 376) no Hoare annotation was computed. [2019-10-13 21:22:15,813 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 539 550) no Hoare annotation was computed. [2019-10-13 21:22:15,813 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 539 550) the Hoare annotation is: true [2019-10-13 21:22:15,813 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 539 550) no Hoare annotation was computed. [2019-10-13 21:22:15,813 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:15,813 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:15,814 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:15,814 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 190 213) the Hoare annotation is: true [2019-10-13 21:22:15,814 INFO L446 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: true [2019-10-13 21:22:15,814 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 190 213) no Hoare annotation was computed. [2019-10-13 21:22:15,814 INFO L446 ceAbstractionStarter]: At program point L201(lines 201 207) the Hoare annotation is: true [2019-10-13 21:22:15,814 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 190 213) no Hoare annotation was computed. [2019-10-13 21:22:15,814 INFO L446 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: true [2019-10-13 21:22:15,814 INFO L443 ceAbstractionStarter]: For program point L194(lines 193 212) no Hoare annotation was computed. [2019-10-13 21:22:15,815 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2019-10-13 21:22:15,815 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2019-10-13 21:22:15,815 INFO L446 ceAbstractionStarter]: At program point L443(lines 418 447) the Hoare annotation is: true [2019-10-13 21:22:15,815 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-13 21:22:15,815 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 436) no Hoare annotation was computed. [2019-10-13 21:22:15,815 INFO L446 ceAbstractionStarter]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2019-10-13 21:22:15,815 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-10-13 21:22:15,815 INFO L446 ceAbstractionStarter]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2019-10-13 21:22:15,816 INFO L446 ceAbstractionStarter]: At program point L424(line 424) the Hoare annotation is: true [2019-10-13 21:22:15,816 INFO L443 ceAbstractionStarter]: For program point L424-1(line 424) no Hoare annotation was computed. [2019-10-13 21:22:15,816 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 551 559) the Hoare annotation is: true [2019-10-13 21:22:15,816 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 551 559) no Hoare annotation was computed. [2019-10-13 21:22:15,816 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 551 559) no Hoare annotation was computed. [2019-10-13 21:22:15,816 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 515 526) the Hoare annotation is: true [2019-10-13 21:22:15,816 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 515 526) no Hoare annotation was computed. [2019-10-13 21:22:15,816 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 515 526) no Hoare annotation was computed. [2019-10-13 21:22:15,816 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 472 478) no Hoare annotation was computed. [2019-10-13 21:22:15,817 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 472 478) the Hoare annotation is: true [2019-10-13 21:22:15,817 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:15,817 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:15,817 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:15,817 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:15,817 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 222 246) the Hoare annotation is: true [2019-10-13 21:22:15,817 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 222 246) no Hoare annotation was computed. [2019-10-13 21:22:15,817 INFO L446 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: true [2019-10-13 21:22:15,818 INFO L443 ceAbstractionStarter]: For program point L241-1(lines 222 246) no Hoare annotation was computed. [2019-10-13 21:22:15,818 INFO L446 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: true [2019-10-13 21:22:15,818 INFO L446 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: true [2019-10-13 21:22:15,818 INFO L443 ceAbstractionStarter]: For program point L230(lines 230 238) no Hoare annotation was computed. [2019-10-13 21:22:15,818 INFO L446 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: true [2019-10-13 21:22:15,818 INFO L443 ceAbstractionStarter]: For program point L228-1(line 228) no Hoare annotation was computed. [2019-10-13 21:22:15,818 INFO L443 ceAbstractionStarter]: For program point L226(lines 226 243) no Hoare annotation was computed. [2019-10-13 21:22:15,818 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 527 538) no Hoare annotation was computed. [2019-10-13 21:22:15,818 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 527 538) the Hoare annotation is: true [2019-10-13 21:22:15,819 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 527 538) no Hoare annotation was computed. [2019-10-13 21:22:15,819 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 616 623) no Hoare annotation was computed. [2019-10-13 21:22:15,819 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2019-10-13 21:22:15,819 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 616 623) the Hoare annotation is: true [2019-10-13 21:22:15,819 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 616 623) no Hoare annotation was computed. [2019-10-13 21:22:15,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:15 BoogieIcfgContainer [2019-10-13 21:22:15,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:15,831 INFO L168 Benchmark]: Toolchain (without parser) took 7315.54 ms. Allocated memory was 138.4 MB in the beginning and 288.9 MB in the end (delta: 150.5 MB). Free memory was 100.9 MB in the beginning and 206.0 MB in the end (delta: -105.1 MB). Peak memory consumption was 165.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:15,831 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory is still 120.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 21:22:15,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.53 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 100.9 MB in the beginning and 169.7 MB in the end (delta: -68.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:15,833 INFO L168 Benchmark]: Boogie Preprocessor took 106.52 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 164.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:15,834 INFO L168 Benchmark]: RCFGBuilder took 1357.14 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 164.9 MB in the beginning and 195.3 MB in the end (delta: -30.4 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:15,835 INFO L168 Benchmark]: TraceAbstraction took 5134.53 ms. Allocated memory was 236.5 MB in the beginning and 288.9 MB in the end (delta: 52.4 MB). Free memory was 195.3 MB in the beginning and 206.0 MB in the end (delta: -10.7 MB). Peak memory consumption was 161.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:15,839 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory is still 120.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 712.53 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 100.9 MB in the beginning and 169.7 MB in the end (delta: -68.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.52 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 164.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1357.14 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 164.9 MB in the beginning and 195.3 MB in the end (delta: -30.4 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5134.53 ms. Allocated memory was 236.5 MB in the beginning and 288.9 MB in the end (delta: 52.4 MB). Free memory was 195.3 MB in the beginning and 206.0 MB in the end (delta: -10.7 MB). Peak memory consumption was 161.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 620]: 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: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 248 locations, 1 error locations. Result: SAFE, OverallTime: 5.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 892 SDtfs, 743 SDslu, 2072 SDs, 0 SdLazy, 777 SolverSat, 136 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1041occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 155 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 1026 PreInvPairs, 1027 NumberOfFragments, 69 HoareAnnotationTreeSize, 1026 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 518 ConstructedInterpolants, 0 QuantifiedInterpolants, 78004 SizeOfPredicates, 3 NumberOfNonLiveVariables, 750 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 61/69 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 124, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 1.0804597701149425, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...