java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:17:58,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:17:58,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:17:58,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:17:58,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:17:58,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:17:58,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:17:58,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:17:58,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:17:58,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:17:58,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:17:58,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:17:58,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:17:58,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:17:58,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:17:58,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:17:58,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:17:58,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:17:58,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:17:58,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:17:58,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:17:58,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:17:58,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:17:58,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:17:58,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:17:58,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:17:58,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:17:58,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:17:58,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:17:58,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:17:58,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:17:58,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:17:58,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:17:58,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:17:58,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:17:58,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:17:58,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:17:58,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:17:58,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:17:58,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:17:58,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:17:58,433 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:17:58,464 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:17:58,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:17:58,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:17:58,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:17:58,469 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:17:58,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:17:58,470 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:17:58,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:17:58,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:17:58,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:17:58,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:17:58,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:17:58,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:17:58,471 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:17:58,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:17:58,473 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:17:58,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:17:58,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:17:58,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:17:58,474 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:17:58,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:17:58,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:17:58,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:17:58,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:17:58,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:17:58,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:17:58,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:17:58,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:17:58,476 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:17:58,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:17:58,775 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:17:58,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:17:58,780 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:17:58,781 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:17:58,782 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product30.cil.c [2019-10-13 23:17:58,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18a908429/b644058f39354b3f96aeb98e24f81ca2/FLAGb9d75f439 [2019-10-13 23:17:59,534 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:17:59,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product30.cil.c [2019-10-13 23:17:59,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18a908429/b644058f39354b3f96aeb98e24f81ca2/FLAGb9d75f439 [2019-10-13 23:17:59,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18a908429/b644058f39354b3f96aeb98e24f81ca2 [2019-10-13 23:17:59,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:17:59,767 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:17:59,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:59,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:17:59,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:17:59,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:59" (1/1) ... [2019-10-13 23:17:59,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bbc4866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:59, skipping insertion in model container [2019-10-13 23:17:59,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:59" (1/1) ... [2019-10-13 23:17:59,783 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:17:59,835 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:18:00,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:18:00,301 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:18:00,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:18:00,495 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:18:00,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00 WrapperNode [2019-10-13 23:18:00,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:18:00,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:18:00,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:18:00,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:18:00,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00" (1/1) ... [2019-10-13 23:18:00,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00" (1/1) ... [2019-10-13 23:18:00,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00" (1/1) ... [2019-10-13 23:18:00,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00" (1/1) ... [2019-10-13 23:18:00,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00" (1/1) ... [2019-10-13 23:18:00,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00" (1/1) ... [2019-10-13 23:18:00,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00" (1/1) ... [2019-10-13 23:18:00,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:18:00,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:18:00,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:18:00,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:18:00,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:18:00,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:18:00,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:18:00,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:18:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:18:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:18:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 23:18:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:18:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 23:18:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:18:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:18:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:18:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:18:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:18:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 23:18:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:18:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:18:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:18:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:18:00,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:18:00,672 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:18:00,672 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:18:00,672 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:18:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:18:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:18:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:18:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:18:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:18:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:18:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:18:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:18:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:18:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:18:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:18:00,676 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:18:00,676 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:18:00,676 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:18:00,676 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:18:00,676 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:18:00,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:18:00,677 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:18:00,677 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:18:00,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 23:18:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:18:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:18:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:18:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:18:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:18:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:18:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 23:18:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:18:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:18:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:18:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:18:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:18:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:18:00,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:18:00,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:18:00,681 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:18:00,681 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:18:00,682 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 23:18:00,682 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 23:18:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:18:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 23:18:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:18:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:18:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:18:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:18:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:18:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:18:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:18:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:18:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:18:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:18:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:18:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:18:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:18:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:18:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:18:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:18:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:18:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:18:00,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:18:00,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:18:00,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:18:00,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:18:00,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:18:00,690 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:18:00,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:18:00,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:18:00,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:18:00,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:18:00,691 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:18:00,691 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:18:00,691 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:18:00,691 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:18:00,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:18:00,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:18:00,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:18:02,508 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:18:02,509 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:18:02,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:18:02 BoogieIcfgContainer [2019-10-13 23:18:02,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:18:02,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:18:02,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:18:02,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:18:02,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:17:59" (1/3) ... [2019-10-13 23:18:02,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a669401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:18:02, skipping insertion in model container [2019-10-13 23:18:02,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00" (2/3) ... [2019-10-13 23:18:02,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a669401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:18:02, skipping insertion in model container [2019-10-13 23:18:02,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:18:02" (3/3) ... [2019-10-13 23:18:02,520 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product30.cil.c [2019-10-13 23:18:02,531 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:18:02,544 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:18:02,555 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:18:02,590 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:18:02,590 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:18:02,591 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:18:02,591 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:18:02,591 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:18:02,591 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:18:02,592 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:18:02,592 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:18:02,623 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2019-10-13 23:18:02,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:18:02,638 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:02,640 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:18:02,645 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:02,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:02,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1027925435, now seen corresponding path program 1 times [2019-10-13 23:18:02,664 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:02,665 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738206939] [2019-10-13 23:18:02,665 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:02,665 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:02,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:03,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:03,037 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738206939] [2019-10-13 23:18:03,038 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:03,038 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:18:03,038 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510107240] [2019-10-13 23:18:03,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:18:03,044 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:03,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:18:03,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:18:03,064 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2019-10-13 23:18:03,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:03,104 INFO L93 Difference]: Finished difference Result 228 states and 277 transitions. [2019-10-13 23:18:03,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:18:03,106 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 23:18:03,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:03,119 INFO L225 Difference]: With dead ends: 228 [2019-10-13 23:18:03,119 INFO L226 Difference]: Without dead ends: 116 [2019-10-13 23:18:03,125 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:18:03,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-10-13 23:18:03,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-10-13 23:18:03,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-10-13 23:18:03,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2019-10-13 23:18:03,199 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 52 [2019-10-13 23:18:03,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:03,199 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2019-10-13 23:18:03,200 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:18:03,200 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2019-10-13 23:18:03,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:18:03,205 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:03,206 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:18:03,206 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:03,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:03,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1256353954, now seen corresponding path program 1 times [2019-10-13 23:18:03,207 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:03,207 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62033101] [2019-10-13 23:18:03,207 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:03,207 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:03,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:03,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:03,389 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62033101] [2019-10-13 23:18:03,389 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:03,390 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:18:03,390 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742610726] [2019-10-13 23:18:03,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:18:03,393 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:03,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:18:03,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:18:03,394 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 3 states. [2019-10-13 23:18:03,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:03,429 INFO L93 Difference]: Finished difference Result 182 states and 211 transitions. [2019-10-13 23:18:03,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:18:03,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 23:18:03,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:03,436 INFO L225 Difference]: With dead ends: 182 [2019-10-13 23:18:03,436 INFO L226 Difference]: Without dead ends: 108 [2019-10-13 23:18:03,439 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:18:03,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-10-13 23:18:03,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-10-13 23:18:03,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-13 23:18:03,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 123 transitions. [2019-10-13 23:18:03,463 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 123 transitions. Word has length 53 [2019-10-13 23:18:03,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:03,465 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 123 transitions. [2019-10-13 23:18:03,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:18:03,465 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 123 transitions. [2019-10-13 23:18:03,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 23:18:03,469 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:03,470 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:18:03,470 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:03,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:03,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1260062458, now seen corresponding path program 1 times [2019-10-13 23:18:03,471 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:03,471 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285600918] [2019-10-13 23:18:03,473 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:03,473 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:03,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:03,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:03,656 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285600918] [2019-10-13 23:18:03,656 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:03,657 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:18:03,657 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264670457] [2019-10-13 23:18:03,659 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:18:03,659 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:03,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:18:03,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:18:03,660 INFO L87 Difference]: Start difference. First operand 108 states and 123 transitions. Second operand 7 states. [2019-10-13 23:18:03,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:03,973 INFO L93 Difference]: Finished difference Result 191 states and 222 transitions. [2019-10-13 23:18:03,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:18:03,973 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-13 23:18:03,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:03,976 INFO L225 Difference]: With dead ends: 191 [2019-10-13 23:18:03,976 INFO L226 Difference]: Without dead ends: 108 [2019-10-13 23:18:03,977 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:18:03,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-10-13 23:18:03,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-10-13 23:18:03,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-13 23:18:03,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 122 transitions. [2019-10-13 23:18:03,990 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 122 transitions. Word has length 56 [2019-10-13 23:18:03,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:03,992 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 122 transitions. [2019-10-13 23:18:03,993 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:18:03,993 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2019-10-13 23:18:03,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-13 23:18:03,995 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:03,995 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:18:03,995 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:03,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:03,996 INFO L82 PathProgramCache]: Analyzing trace with hash 305268334, now seen corresponding path program 1 times [2019-10-13 23:18:03,996 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:03,996 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667070003] [2019-10-13 23:18:03,997 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:03,997 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:03,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:04,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:18:04,139 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667070003] [2019-10-13 23:18:04,140 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:04,140 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:18:04,140 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632911260] [2019-10-13 23:18:04,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:18:04,142 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:04,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:18:04,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:18:04,147 INFO L87 Difference]: Start difference. First operand 108 states and 122 transitions. Second operand 7 states. [2019-10-13 23:18:04,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:04,491 INFO L93 Difference]: Finished difference Result 162 states and 189 transitions. [2019-10-13 23:18:04,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:18:04,492 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2019-10-13 23:18:04,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:04,493 INFO L225 Difference]: With dead ends: 162 [2019-10-13 23:18:04,493 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:18:04,499 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 23:18:04,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:18:04,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:18:04,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:18:04,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:18:04,501 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2019-10-13 23:18:04,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:04,501 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:18:04,501 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:18:04,501 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:18:04,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:18:04,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:18:05,146 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 504) no Hoare annotation was computed. [2019-10-13 23:18:05,147 INFO L443 ceAbstractionStarter]: For program point L494-2(lines 494 515) no Hoare annotation was computed. [2019-10-13 23:18:05,147 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 469 524) no Hoare annotation was computed. [2019-10-13 23:18:05,147 INFO L443 ceAbstractionStarter]: For program point L516(lines 493 517) no Hoare annotation was computed. [2019-10-13 23:18:05,147 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 469 524) no Hoare annotation was computed. [2019-10-13 23:18:05,147 INFO L443 ceAbstractionStarter]: For program point L577(lines 550 578) no Hoare annotation was computed. [2019-10-13 23:18:05,147 INFO L443 ceAbstractionStarter]: For program point L570(line 570) no Hoare annotation was computed. [2019-10-13 23:18:05,147 INFO L443 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2019-10-13 23:18:05,147 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 525 584) no Hoare annotation was computed. [2019-10-13 23:18:05,147 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 525 584) no Hoare annotation was computed. [2019-10-13 23:18:05,148 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 561) no Hoare annotation was computed. [2019-10-13 23:18:05,148 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 525 584) no Hoare annotation was computed. [2019-10-13 23:18:05,148 INFO L443 ceAbstractionStarter]: For program point L551-2(lines 551 576) no Hoare annotation was computed. [2019-10-13 23:18:05,148 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 400 406) the Hoare annotation is: true [2019-10-13 23:18:05,148 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 400 406) no Hoare annotation was computed. [2019-10-13 23:18:05,148 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 407 415) no Hoare annotation was computed. [2019-10-13 23:18:05,148 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 407 415) the Hoare annotation is: true [2019-10-13 23:18:05,148 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 331 338) the Hoare annotation is: true [2019-10-13 23:18:05,149 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 331 338) no Hoare annotation was computed. [2019-10-13 23:18:05,149 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 339 348) the Hoare annotation is: true [2019-10-13 23:18:05,149 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 339 348) no Hoare annotation was computed. [2019-10-13 23:18:05,149 INFO L443 ceAbstractionStarter]: For program point L344(line 344) no Hoare annotation was computed. [2019-10-13 23:18:05,149 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 349 377) the Hoare annotation is: true [2019-10-13 23:18:05,149 INFO L439 ceAbstractionStarter]: At program point L364(line 364) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,149 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 349 377) no Hoare annotation was computed. [2019-10-13 23:18:05,149 INFO L443 ceAbstractionStarter]: For program point L362(lines 362 368) no Hoare annotation was computed. [2019-10-13 23:18:05,150 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 371) no Hoare annotation was computed. [2019-10-13 23:18:05,150 INFO L446 ceAbstractionStarter]: At program point L359(line 359) the Hoare annotation is: true [2019-10-13 23:18:05,150 INFO L443 ceAbstractionStarter]: For program point L359-1(line 359) no Hoare annotation was computed. [2019-10-13 23:18:05,150 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 374) no Hoare annotation was computed. [2019-10-13 23:18:05,150 INFO L443 ceAbstractionStarter]: For program point L357-1(lines 349 377) no Hoare annotation was computed. [2019-10-13 23:18:05,150 INFO L446 ceAbstractionStarter]: At program point L355(line 355) the Hoare annotation is: true [2019-10-13 23:18:05,150 INFO L443 ceAbstractionStarter]: For program point L355-1(line 355) no Hoare annotation was computed. [2019-10-13 23:18:05,151 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 865 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:05,151 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 865 887) no Hoare annotation was computed. [2019-10-13 23:18:05,151 INFO L439 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= main_~tmp~9 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:05,151 INFO L439 ceAbstractionStarter]: At program point L877-1(line 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= main_~tmp~9 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:05,151 INFO L443 ceAbstractionStarter]: For program point L875(lines 875 882) no Hoare annotation was computed. [2019-10-13 23:18:05,151 INFO L443 ceAbstractionStarter]: For program point L875-1(lines 875 882) no Hoare annotation was computed. [2019-10-13 23:18:05,151 INFO L443 ceAbstractionStarter]: For program point L873(line 873) no Hoare annotation was computed. [2019-10-13 23:18:05,152 INFO L439 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:05,152 INFO L439 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:05,152 INFO L439 ceAbstractionStarter]: At program point L871-1(line 871) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:05,152 INFO L443 ceAbstractionStarter]: For program point L833(line 833) no Hoare annotation was computed. [2019-10-13 23:18:05,152 INFO L443 ceAbstractionStarter]: For program point L832(line 832) no Hoare annotation was computed. [2019-10-13 23:18:05,152 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 823 846) no Hoare annotation was computed. [2019-10-13 23:18:05,152 INFO L443 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2019-10-13 23:18:05,153 INFO L443 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2019-10-13 23:18:05,153 INFO L443 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2019-10-13 23:18:05,153 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 823 846) no Hoare annotation was computed. [2019-10-13 23:18:05,153 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-13 23:18:05,153 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 823 846) no Hoare annotation was computed. [2019-10-13 23:18:05,153 INFO L443 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2019-10-13 23:18:05,153 INFO L443 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2019-10-13 23:18:05,153 INFO L443 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2019-10-13 23:18:05,153 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-10-13 23:18:05,154 INFO L443 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2019-10-13 23:18:05,154 INFO L443 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2019-10-13 23:18:05,154 INFO L443 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2019-10-13 23:18:05,154 INFO L443 ceAbstractionStarter]: For program point L834(line 834) no Hoare annotation was computed. [2019-10-13 23:18:05,154 INFO L439 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,154 INFO L443 ceAbstractionStarter]: For program point L96-1(line 96) no Hoare annotation was computed. [2019-10-13 23:18:05,154 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 111) no Hoare annotation was computed. [2019-10-13 23:18:05,154 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 90 114) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,155 INFO L439 ceAbstractionStarter]: At program point L109(line 109) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,155 INFO L443 ceAbstractionStarter]: For program point L109-1(lines 90 114) no Hoare annotation was computed. [2019-10-13 23:18:05,155 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 90 114) no Hoare annotation was computed. [2019-10-13 23:18:05,155 INFO L439 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,155 INFO L439 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,155 INFO L443 ceAbstractionStarter]: For program point L98(lines 98 106) no Hoare annotation was computed. [2019-10-13 23:18:05,155 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 185 193) no Hoare annotation was computed. [2019-10-13 23:18:05,155 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 185 193) the Hoare annotation is: true [2019-10-13 23:18:05,156 INFO L446 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: true [2019-10-13 23:18:05,156 INFO L443 ceAbstractionStarter]: For program point L237-1(line 237) no Hoare annotation was computed. [2019-10-13 23:18:05,156 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 230 248) the Hoare annotation is: true [2019-10-13 23:18:05,156 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 230 248) no Hoare annotation was computed. [2019-10-13 23:18:05,156 INFO L443 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2019-10-13 23:18:05,156 INFO L443 ceAbstractionStarter]: For program point L224-1(line 224) no Hoare annotation was computed. [2019-10-13 23:18:05,156 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 194 229) no Hoare annotation was computed. [2019-10-13 23:18:05,156 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 194 229) no Hoare annotation was computed. [2019-10-13 23:18:05,156 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 393 399) no Hoare annotation was computed. [2019-10-13 23:18:05,156 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 393 399) the Hoare annotation is: true [2019-10-13 23:18:05,156 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 423 468) no Hoare annotation was computed. [2019-10-13 23:18:05,156 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 423 468) no Hoare annotation was computed. [2019-10-13 23:18:05,157 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 736 781) no Hoare annotation was computed. [2019-10-13 23:18:05,157 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 736 781) no Hoare annotation was computed. [2019-10-13 23:18:05,157 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 854 864) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:05,157 INFO L439 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:05,157 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 854 864) no Hoare annotation was computed. [2019-10-13 23:18:05,157 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 854 864) no Hoare annotation was computed. [2019-10-13 23:18:05,157 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 174 184) the Hoare annotation is: true [2019-10-13 23:18:05,157 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 174 184) no Hoare annotation was computed. [2019-10-13 23:18:05,157 INFO L446 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: true [2019-10-13 23:18:05,157 INFO L443 ceAbstractionStarter]: For program point L179-1(line 179) no Hoare annotation was computed. [2019-10-13 23:18:05,157 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 166 173) the Hoare annotation is: true [2019-10-13 23:18:05,158 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 166 173) no Hoare annotation was computed. [2019-10-13 23:18:05,158 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,158 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 132) no Hoare annotation was computed. [2019-10-13 23:18:05,158 INFO L439 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,158 INFO L443 ceAbstractionStarter]: For program point L122-1(line 122) no Hoare annotation was computed. [2019-10-13 23:18:05,158 INFO L443 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2019-10-13 23:18:05,158 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 116 140) no Hoare annotation was computed. [2019-10-13 23:18:05,158 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 116 140) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,158 INFO L439 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,158 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 116 140) no Hoare annotation was computed. [2019-10-13 23:18:05,158 INFO L439 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,159 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 82 88) no Hoare annotation was computed. [2019-10-13 23:18:05,159 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 82 88) the Hoare annotation is: true [2019-10-13 23:18:05,159 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 261 326) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:05,159 INFO L439 ceAbstractionStarter]: At program point L316(lines 271 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:05,159 INFO L439 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:05,159 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2019-10-13 23:18:05,159 INFO L443 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2019-10-13 23:18:05,159 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 261 326) no Hoare annotation was computed. [2019-10-13 23:18:05,159 INFO L439 ceAbstractionStarter]: At program point L319(lines 270 320) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:05,159 INFO L439 ceAbstractionStarter]: At program point L309-2(lines 301 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:05,160 INFO L443 ceAbstractionStarter]: For program point L272(lines 271 318) no Hoare annotation was computed. [2019-10-13 23:18:05,160 INFO L439 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:05,160 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 314) no Hoare annotation was computed. [2019-10-13 23:18:05,160 INFO L439 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:05,160 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 297) no Hoare annotation was computed. [2019-10-13 23:18:05,160 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 261 326) no Hoare annotation was computed. [2019-10-13 23:18:05,160 INFO L443 ceAbstractionStarter]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2019-10-13 23:18:05,161 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 690 735) no Hoare annotation was computed. [2019-10-13 23:18:05,161 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 690 735) no Hoare annotation was computed. [2019-10-13 23:18:05,161 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 141 148) no Hoare annotation was computed. [2019-10-13 23:18:05,161 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 141 148) no Hoare annotation was computed. [2019-10-13 23:18:05,161 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 968 976) the Hoare annotation is: true [2019-10-13 23:18:05,161 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 968 976) no Hoare annotation was computed. [2019-10-13 23:18:05,161 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 936 958) no Hoare annotation was computed. [2019-10-13 23:18:05,161 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 936 958) no Hoare annotation was computed. [2019-10-13 23:18:05,162 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 383 392) no Hoare annotation was computed. [2019-10-13 23:18:05,162 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 383 392) no Hoare annotation was computed. [2019-10-13 23:18:05,162 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 587 689) no Hoare annotation was computed. [2019-10-13 23:18:05,162 INFO L443 ceAbstractionStarter]: For program point L636-2(lines 636 656) no Hoare annotation was computed. [2019-10-13 23:18:05,162 INFO L443 ceAbstractionStarter]: For program point L657(lines 635 658) no Hoare annotation was computed. [2019-10-13 23:18:05,162 INFO L443 ceAbstractionStarter]: For program point L616(lines 616 632) no Hoare annotation was computed. [2019-10-13 23:18:05,162 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 587 689) no Hoare annotation was computed. [2019-10-13 23:18:05,162 INFO L443 ceAbstractionStarter]: For program point L637(lines 636 656) no Hoare annotation was computed. [2019-10-13 23:18:05,163 INFO L443 ceAbstractionStarter]: For program point L668(line 668) no Hoare annotation was computed. [2019-10-13 23:18:05,163 INFO L443 ceAbstractionStarter]: For program point L668-1(line 668) no Hoare annotation was computed. [2019-10-13 23:18:05,163 INFO L443 ceAbstractionStarter]: For program point L633(lines 633 674) no Hoare annotation was computed. [2019-10-13 23:18:05,163 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 587 689) no Hoare annotation was computed. [2019-10-13 23:18:05,163 INFO L443 ceAbstractionStarter]: For program point L652(line 652) no Hoare annotation was computed. [2019-10-13 23:18:05,163 INFO L443 ceAbstractionStarter]: For program point L652-1(line 652) no Hoare annotation was computed. [2019-10-13 23:18:05,163 INFO L443 ceAbstractionStarter]: For program point L611(lines 611 615) no Hoare annotation was computed. [2019-10-13 23:18:05,163 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:18:05,163 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:18:05,163 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-13 23:18:05,163 INFO L443 ceAbstractionStarter]: For program point L160-1(lines 149 165) no Hoare annotation was computed. [2019-10-13 23:18:05,163 INFO L443 ceAbstractionStarter]: For program point L156(lines 156 162) no Hoare annotation was computed. [2019-10-13 23:18:05,163 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 149 165) no Hoare annotation was computed. [2019-10-13 23:18:05,164 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-13 23:18:05,164 INFO L443 ceAbstractionStarter]: For program point L154-1(line 154) no Hoare annotation was computed. [2019-10-13 23:18:05,164 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 149 165) no Hoare annotation was computed. [2019-10-13 23:18:05,164 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 959 967) the Hoare annotation is: true [2019-10-13 23:18:05,164 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 959 967) no Hoare annotation was computed. [2019-10-13 23:18:05,164 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 915 926) the Hoare annotation is: true [2019-10-13 23:18:05,164 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 915 926) no Hoare annotation was computed. [2019-10-13 23:18:05,164 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:18:05,164 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:18:05,164 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 927 935) the Hoare annotation is: true [2019-10-13 23:18:05,165 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 927 935) no Hoare annotation was computed. [2019-10-13 23:18:05,165 INFO L439 ceAbstractionStarter]: At program point L64(line 64) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,165 INFO L443 ceAbstractionStarter]: For program point L62(lines 58 80) no Hoare annotation was computed. [2019-10-13 23:18:05,165 INFO L443 ceAbstractionStarter]: For program point L60(lines 58 80) no Hoare annotation was computed. [2019-10-13 23:18:05,165 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 81) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,165 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 81) no Hoare annotation was computed. [2019-10-13 23:18:05,165 INFO L439 ceAbstractionStarter]: At program point L71(line 71) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,165 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 81) no Hoare annotation was computed. [2019-10-13 23:18:05,165 INFO L439 ceAbstractionStarter]: At program point L69(lines 69 75) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,165 INFO L446 ceAbstractionStarter]: At program point L803-2(lines 803 817) the Hoare annotation is: true [2019-10-13 23:18:05,165 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 793 822) no Hoare annotation was computed. [2019-10-13 23:18:05,166 INFO L446 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2019-10-13 23:18:05,166 INFO L443 ceAbstractionStarter]: For program point L799-1(line 799) no Hoare annotation was computed. [2019-10-13 23:18:05,166 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 793 822) the Hoare annotation is: true [2019-10-13 23:18:05,166 INFO L446 ceAbstractionStarter]: At program point L818(lines 793 822) the Hoare annotation is: true [2019-10-13 23:18:05,166 INFO L443 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2019-10-13 23:18:05,166 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 811) no Hoare annotation was computed. [2019-10-13 23:18:05,166 INFO L446 ceAbstractionStarter]: At program point L807-1(lines 807 811) the Hoare annotation is: true [2019-10-13 23:18:05,166 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 891 902) the Hoare annotation is: true [2019-10-13 23:18:05,166 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 891 902) no Hoare annotation was computed. [2019-10-13 23:18:05,166 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 847 853) no Hoare annotation was computed. [2019-10-13 23:18:05,166 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 847 853) the Hoare annotation is: true [2019-10-13 23:18:05,167 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:18:05,167 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-13 23:18:05,167 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:18:05,167 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:18:05,167 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 249 256) no Hoare annotation was computed. [2019-10-13 23:18:05,167 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 249 256) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:05,167 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 903 914) no Hoare annotation was computed. [2019-10-13 23:18:05,168 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 903 914) the Hoare annotation is: true [2019-10-13 23:18:05,168 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 787) no Hoare annotation was computed. [2019-10-13 23:18:05,168 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 783 790) the Hoare annotation is: true [2019-10-13 23:18:05,168 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 783 790) no Hoare annotation was computed. [2019-10-13 23:18:05,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:18:05 BoogieIcfgContainer [2019-10-13 23:18:05,183 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:18:05,186 INFO L168 Benchmark]: Toolchain (without parser) took 5417.97 ms. Allocated memory was 136.8 MB in the beginning and 251.1 MB in the end (delta: 114.3 MB). Free memory was 100.4 MB in the beginning and 151.5 MB in the end (delta: -51.1 MB). Peak memory consumption was 133.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:05,187 INFO L168 Benchmark]: CDTParser took 1.20 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 23:18:05,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.22 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 100.2 MB in the beginning and 167.3 MB in the end (delta: -67.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:05,189 INFO L168 Benchmark]: Boogie Preprocessor took 86.38 ms. Allocated memory is still 200.8 MB. Free memory was 167.3 MB in the beginning and 163.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:05,190 INFO L168 Benchmark]: RCFGBuilder took 1927.44 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 163.1 MB in the beginning and 145.4 MB in the end (delta: 17.7 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:05,192 INFO L168 Benchmark]: TraceAbstraction took 2670.70 ms. Allocated memory was 231.2 MB in the beginning and 251.1 MB in the end (delta: 19.9 MB). Free memory was 145.4 MB in the beginning and 151.5 MB in the end (delta: -6.1 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:05,196 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 728.22 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 100.2 MB in the beginning and 167.3 MB in the end (delta: -67.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.38 ms. Allocated memory is still 200.8 MB. Free memory was 167.3 MB in the beginning and 163.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1927.44 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 163.1 MB in the beginning and 145.4 MB in the end (delta: 17.7 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2670.70 ms. Allocated memory was 231.2 MB in the beginning and 251.1 MB in the end (delta: 19.9 MB). Free memory was 145.4 MB in the beginning and 151.5 MB in the end (delta: -6.1 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 787]: 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: 803]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 195 locations, 1 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 445 SDtfs, 233 SDslu, 453 SDs, 0 SdLazy, 296 SolverSat, 122 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 236 PreInvPairs, 244 NumberOfFragments, 461 HoareAnnotationTreeSize, 236 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 62 FomulaSimplificationsInter, 350 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 22776 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...