java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:16:35,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:16:35,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:16:35,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:16:35,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:16:35,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:16:35,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:16:35,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:16:35,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:16:35,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:16:35,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:16:35,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:16:35,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:16:35,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:16:35,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:16:35,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:16:35,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:16:35,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:16:35,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:16:35,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:16:35,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:16:35,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:16:35,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:16:35,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:16:35,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:16:35,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:16:35,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:16:35,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:16:35,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:16:35,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:16:35,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:16:35,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:16:35,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:16:35,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:16:35,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:16:35,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:16:35,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:16:35,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:16:35,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:16:35,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:16:35,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:16:35,534 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 [2019-10-07 15:16:35,553 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:16:35,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:16:35,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:16:35,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:16:35,557 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:16:35,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:16:35,558 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:16:35,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:16:35,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:16:35,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:16:35,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:16:35,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:16:35,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:16:35,560 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:16:35,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:16:35,561 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:16:35,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:16:35,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:16:35,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:16:35,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:16:35,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:16:35,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:16:35,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:16:35,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:16:35,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:16:35,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:16:35,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:16:35,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:16:35,565 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 [2019-10-07 15:16:35,839 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:16:35,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:16:35,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:16:35,860 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:16:35,860 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:16:35,861 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c [2019-10-07 15:16:35,938 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff697a568/14f07ae262fc4f2685043e05c3823708/FLAGaba48bcff [2019-10-07 15:16:36,558 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:16:36,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c [2019-10-07 15:16:36,571 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff697a568/14f07ae262fc4f2685043e05c3823708/FLAGaba48bcff [2019-10-07 15:16:36,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff697a568/14f07ae262fc4f2685043e05c3823708 [2019-10-07 15:16:36,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:16:36,821 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:16:36,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:16:36,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:16:36,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:16:36,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:16:36" (1/1) ... [2019-10-07 15:16:36,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5afe3c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:36, skipping insertion in model container [2019-10-07 15:16:36,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:16:36" (1/1) ... [2019-10-07 15:16:36,834 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:16:36,884 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:16:37,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:16:37,406 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:16:37,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:16:37,508 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:16:37,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:37 WrapperNode [2019-10-07 15:16:37,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:16:37,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:16:37,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:16:37,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:16:37,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:37" (1/1) ... [2019-10-07 15:16:37,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:37" (1/1) ... [2019-10-07 15:16:37,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:37" (1/1) ... [2019-10-07 15:16:37,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:37" (1/1) ... [2019-10-07 15:16:37,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:37" (1/1) ... [2019-10-07 15:16:37,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:37" (1/1) ... [2019-10-07 15:16:37,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:37" (1/1) ... [2019-10-07 15:16:37,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:16:37,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:16:37,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:16:37,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:16:37,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:37" (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 [2019-10-07 15:16:37,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:16:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:16:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:16:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:16:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:16:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:16:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:16:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:16:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:16:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:16:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:16:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:16:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:16:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:16:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:16:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:16:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:16:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:16:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:16:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:16:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:16:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:16:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:16:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:16:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:16:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:16:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:16:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:16:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:16:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:16:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:16:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:16:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:16:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:16:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:16:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:16:37,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:16:37,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:16:37,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:16:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:16:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:16:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:16:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:16:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:16:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:16:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:16:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:16:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:16:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:16:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:16:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:16:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:16:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:16:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:16:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:16:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:16:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:16:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:16:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:16:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:16:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:16:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:16:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:16:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:16:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:16:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:16:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:16:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:16:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:16:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:16:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:16:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:16:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:16:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:16:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:16:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:16:37,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:16:37,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:16:37,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:16:37,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:16:37,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:16:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:16:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:16:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:16:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:16:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:16:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:16:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:16:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:16:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:16:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:16:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:16:39,275 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:16:39,276 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:16:39,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:16:39 BoogieIcfgContainer [2019-10-07 15:16:39,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:16:39,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:16:39,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:16:39,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:16:39,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:16:36" (1/3) ... [2019-10-07 15:16:39,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5063e648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:16:39, skipping insertion in model container [2019-10-07 15:16:39,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:37" (2/3) ... [2019-10-07 15:16:39,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5063e648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:16:39, skipping insertion in model container [2019-10-07 15:16:39,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:16:39" (3/3) ... [2019-10-07 15:16:39,287 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product18.cil.c [2019-10-07 15:16:39,298 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:16:39,310 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:16:39,324 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:16:39,355 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:16:39,355 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:16:39,355 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:16:39,356 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:16:39,356 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:16:39,356 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:16:39,356 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:16:39,357 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:16:39,382 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2019-10-07 15:16:39,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:16:39,393 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:39,394 INFO L385 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] [2019-10-07 15:16:39,396 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:39,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:39,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1243698440, now seen corresponding path program 1 times [2019-10-07 15:16:39,412 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:39,413 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:39,413 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:39,413 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:39,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:39,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:39,752 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:39,753 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:39,755 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:16:39,760 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:16:39,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:16:39,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:16:39,777 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2019-10-07 15:16:39,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:39,833 INFO L93 Difference]: Finished difference Result 188 states and 227 transitions. [2019-10-07 15:16:39,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:16:39,835 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:16:39,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:39,849 INFO L225 Difference]: With dead ends: 188 [2019-10-07 15:16:39,850 INFO L226 Difference]: Without dead ends: 96 [2019-10-07 15:16:39,858 INFO L606 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 [2019-10-07 15:16:39,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-10-07 15:16:39,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-10-07 15:16:39,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-10-07 15:16:39,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 109 transitions. [2019-10-07 15:16:39,916 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 109 transitions. Word has length 46 [2019-10-07 15:16:39,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:39,917 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 109 transitions. [2019-10-07 15:16:39,918 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:16:39,918 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2019-10-07 15:16:39,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:16:39,924 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:39,925 INFO L385 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] [2019-10-07 15:16:39,925 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:39,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:39,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1284391959, now seen corresponding path program 1 times [2019-10-07 15:16:39,927 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:39,927 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:39,927 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:39,927 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:39,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:40,136 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:40,136 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:40,136 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:16:40,139 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:16:40,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:16:40,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:16:40,140 INFO L87 Difference]: Start difference. First operand 96 states and 109 transitions. Second operand 3 states. [2019-10-07 15:16:40,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:40,168 INFO L93 Difference]: Finished difference Result 142 states and 161 transitions. [2019-10-07 15:16:40,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:16:40,171 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:16:40,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:40,175 INFO L225 Difference]: With dead ends: 142 [2019-10-07 15:16:40,175 INFO L226 Difference]: Without dead ends: 88 [2019-10-07 15:16:40,177 INFO L606 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 [2019-10-07 15:16:40,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-07 15:16:40,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-10-07 15:16:40,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-10-07 15:16:40,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2019-10-07 15:16:40,191 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 47 [2019-10-07 15:16:40,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:40,191 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2019-10-07 15:16:40,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:16:40,191 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2019-10-07 15:16:40,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-07 15:16:40,194 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:40,194 INFO L385 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] [2019-10-07 15:16:40,194 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:40,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:40,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1411822098, now seen corresponding path program 1 times [2019-10-07 15:16:40,195 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:40,195 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:40,195 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:40,196 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:40,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:40,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:40,388 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:40,388 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:40,388 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:16:40,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:16:40,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:16:40,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:16:40,424 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand 7 states. [2019-10-07 15:16:40,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:40,737 INFO L93 Difference]: Finished difference Result 151 states and 172 transitions. [2019-10-07 15:16:40,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:16:40,737 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-07 15:16:40,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:40,741 INFO L225 Difference]: With dead ends: 151 [2019-10-07 15:16:40,741 INFO L226 Difference]: Without dead ends: 88 [2019-10-07 15:16:40,742 INFO L606 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 [2019-10-07 15:16:40,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-07 15:16:40,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-10-07 15:16:40,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-10-07 15:16:40,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2019-10-07 15:16:40,754 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 50 [2019-10-07 15:16:40,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:40,755 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2019-10-07 15:16:40,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:16:40,755 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2019-10-07 15:16:40,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-07 15:16:40,757 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:40,757 INFO L385 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] [2019-10-07 15:16:40,757 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:40,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:40,758 INFO L82 PathProgramCache]: Analyzing trace with hash -112629093, now seen corresponding path program 1 times [2019-10-07 15:16:40,758 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:40,758 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:40,758 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:40,759 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:40,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:40,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:40,852 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:40,852 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:40,852 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:16:40,853 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:16:40,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:16:40,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:16:40,855 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand 6 states. [2019-10-07 15:16:41,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:41,078 INFO L93 Difference]: Finished difference Result 206 states and 235 transitions. [2019-10-07 15:16:41,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:16:41,078 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-10-07 15:16:41,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:41,084 INFO L225 Difference]: With dead ends: 206 [2019-10-07 15:16:41,084 INFO L226 Difference]: Without dead ends: 143 [2019-10-07 15:16:41,085 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:16:41,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-10-07 15:16:41,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 139. [2019-10-07 15:16:41,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-10-07 15:16:41,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 155 transitions. [2019-10-07 15:16:41,129 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 155 transitions. Word has length 58 [2019-10-07 15:16:41,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:41,130 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 155 transitions. [2019-10-07 15:16:41,130 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:16:41,130 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 155 transitions. [2019-10-07 15:16:41,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-07 15:16:41,139 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:41,140 INFO L385 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] [2019-10-07 15:16:41,140 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:41,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:41,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1338337190, now seen corresponding path program 1 times [2019-10-07 15:16:41,141 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:41,141 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:41,142 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:41,142 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:41,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:41,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:41,306 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:41,306 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:41,306 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:16:41,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:16:41,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:16:41,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:16:41,308 INFO L87 Difference]: Start difference. First operand 139 states and 155 transitions. Second operand 7 states. [2019-10-07 15:16:41,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:41,663 INFO L93 Difference]: Finished difference Result 219 states and 252 transitions. [2019-10-07 15:16:41,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:16:41,666 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-07 15:16:41,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:41,666 INFO L225 Difference]: With dead ends: 219 [2019-10-07 15:16:41,667 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:16:41,668 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:16:41,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:16:41,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:16:41,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:16:41,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:16:41,669 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-10-07 15:16:41,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:41,670 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:16:41,670 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:16:41,670 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:16:41,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:16:41,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:16:42,472 INFO L443 ceAbstractionStarter]: For program point L606(lines 583 607) no Hoare annotation was computed. [2019-10-07 15:16:42,472 INFO L443 ceAbstractionStarter]: For program point L590(lines 590 594) no Hoare annotation was computed. [2019-10-07 15:16:42,472 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 559 614) no Hoare annotation was computed. [2019-10-07 15:16:42,472 INFO L443 ceAbstractionStarter]: For program point L584-2(lines 584 605) no Hoare annotation was computed. [2019-10-07 15:16:42,472 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 559 614) no Hoare annotation was computed. [2019-10-07 15:16:42,473 INFO L443 ceAbstractionStarter]: For program point L641-2(lines 641 666) no Hoare annotation was computed. [2019-10-07 15:16:42,473 INFO L443 ceAbstractionStarter]: For program point L667(lines 640 668) no Hoare annotation was computed. [2019-10-07 15:16:42,473 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 615 674) no Hoare annotation was computed. [2019-10-07 15:16:42,473 INFO L443 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2019-10-07 15:16:42,473 INFO L443 ceAbstractionStarter]: For program point L660-1(line 660) no Hoare annotation was computed. [2019-10-07 15:16:42,473 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 615 674) no Hoare annotation was computed. [2019-10-07 15:16:42,473 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 615 674) no Hoare annotation was computed. [2019-10-07 15:16:42,473 INFO L443 ceAbstractionStarter]: For program point L647(lines 647 651) no Hoare annotation was computed. [2019-10-07 15:16:42,473 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 400 406) the Hoare annotation is: true [2019-10-07 15:16:42,474 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 400 406) no Hoare annotation was computed. [2019-10-07 15:16:42,474 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 407 415) no Hoare annotation was computed. [2019-10-07 15:16:42,474 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 407 415) the Hoare annotation is: true [2019-10-07 15:16:42,474 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 358 380) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:42,474 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 358 380) no Hoare annotation was computed. [2019-10-07 15:16:42,475 INFO L439 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:16:42,475 INFO L439 ceAbstractionStarter]: At program point L370-1(line 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:16:42,475 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 375) no Hoare annotation was computed. [2019-10-07 15:16:42,475 INFO L443 ceAbstractionStarter]: For program point L368-1(lines 368 375) no Hoare annotation was computed. [2019-10-07 15:16:42,475 INFO L443 ceAbstractionStarter]: For program point L366(line 366) no Hoare annotation was computed. [2019-10-07 15:16:42,475 INFO L439 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:42,475 INFO L439 ceAbstractionStarter]: At program point L364(line 364) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:42,476 INFO L439 ceAbstractionStarter]: At program point L364-1(line 364) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:42,476 INFO L443 ceAbstractionStarter]: For program point L321(line 321) no Hoare annotation was computed. [2019-10-07 15:16:42,476 INFO L443 ceAbstractionStarter]: For program point L320(line 320) no Hoare annotation was computed. [2019-10-07 15:16:42,476 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 312 335) no Hoare annotation was computed. [2019-10-07 15:16:42,476 INFO L443 ceAbstractionStarter]: For program point L319(line 319) no Hoare annotation was computed. [2019-10-07 15:16:42,476 INFO L443 ceAbstractionStarter]: For program point L318(line 318) no Hoare annotation was computed. [2019-10-07 15:16:42,477 INFO L443 ceAbstractionStarter]: For program point L317(line 317) no Hoare annotation was computed. [2019-10-07 15:16:42,477 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 312 335) no Hoare annotation was computed. [2019-10-07 15:16:42,477 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 312 335) no Hoare annotation was computed. [2019-10-07 15:16:42,477 INFO L443 ceAbstractionStarter]: For program point L330(line 330) no Hoare annotation was computed. [2019-10-07 15:16:42,477 INFO L443 ceAbstractionStarter]: For program point L329(line 329) no Hoare annotation was computed. [2019-10-07 15:16:42,477 INFO L443 ceAbstractionStarter]: For program point L328(line 328) no Hoare annotation was computed. [2019-10-07 15:16:42,477 INFO L443 ceAbstractionStarter]: For program point L327(line 327) no Hoare annotation was computed. [2019-10-07 15:16:42,477 INFO L443 ceAbstractionStarter]: For program point L326(line 326) no Hoare annotation was computed. [2019-10-07 15:16:42,478 INFO L443 ceAbstractionStarter]: For program point L325(line 325) no Hoare annotation was computed. [2019-10-07 15:16:42,478 INFO L443 ceAbstractionStarter]: For program point L324(line 324) no Hoare annotation was computed. [2019-10-07 15:16:42,478 INFO L443 ceAbstractionStarter]: For program point L323(line 323) no Hoare annotation was computed. [2019-10-07 15:16:42,478 INFO L443 ceAbstractionStarter]: For program point L322(line 322) no Hoare annotation was computed. [2019-10-07 15:16:42,478 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 138 146) no Hoare annotation was computed. [2019-10-07 15:16:42,478 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 138 146) the Hoare annotation is: true [2019-10-07 15:16:42,478 INFO L446 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: true [2019-10-07 15:16:42,478 INFO L443 ceAbstractionStarter]: For program point L190-1(line 190) no Hoare annotation was computed. [2019-10-07 15:16:42,479 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 183 201) the Hoare annotation is: true [2019-10-07 15:16:42,479 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 183 201) no Hoare annotation was computed. [2019-10-07 15:16:42,479 INFO L443 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-10-07 15:16:42,479 INFO L443 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2019-10-07 15:16:42,479 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 147 182) no Hoare annotation was computed. [2019-10-07 15:16:42,479 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 147 182) no Hoare annotation was computed. [2019-10-07 15:16:42,479 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 393 399) no Hoare annotation was computed. [2019-10-07 15:16:42,479 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 393 399) the Hoare annotation is: true [2019-10-07 15:16:42,480 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 513 558) no Hoare annotation was computed. [2019-10-07 15:16:42,480 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 513 558) no Hoare annotation was computed. [2019-10-07 15:16:42,480 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 826 871) no Hoare annotation was computed. [2019-10-07 15:16:42,480 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 826 871) no Hoare annotation was computed. [2019-10-07 15:16:42,480 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 344 354) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:42,480 INFO L439 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:42,480 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 344 354) no Hoare annotation was computed. [2019-10-07 15:16:42,481 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 344 354) no Hoare annotation was computed. [2019-10-07 15:16:42,481 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 127 137) no Hoare annotation was computed. [2019-10-07 15:16:42,481 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 127 137) no Hoare annotation was computed. [2019-10-07 15:16:42,481 INFO L443 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-10-07 15:16:42,481 INFO L443 ceAbstractionStarter]: For program point L132-1(line 132) no Hoare annotation was computed. [2019-10-07 15:16:42,481 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 119 126) the Hoare annotation is: true [2019-10-07 15:16:42,481 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 119 126) no Hoare annotation was computed. [2019-10-07 15:16:42,481 INFO L439 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:16:42,482 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 102) no Hoare annotation was computed. [2019-10-07 15:16:42,482 INFO L439 ceAbstractionStarter]: At program point L92(line 92) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:16:42,482 INFO L443 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2019-10-07 15:16:42,482 INFO L443 ceAbstractionStarter]: For program point L90(lines 90 107) no Hoare annotation was computed. [2019-10-07 15:16:42,482 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 86 110) no Hoare annotation was computed. [2019-10-07 15:16:42,482 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 86 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:16:42,482 INFO L439 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:16:42,483 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 86 110) no Hoare annotation was computed. [2019-10-07 15:16:42,483 INFO L439 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:16:42,483 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 78 84) no Hoare annotation was computed. [2019-10-07 15:16:42,483 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 78 84) the Hoare annotation is: true [2019-10-07 15:16:42,483 INFO L443 ceAbstractionStarter]: For program point L225(lines 224 271) no Hoare annotation was computed. [2019-10-07 15:16:42,483 INFO L439 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:42,483 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 214 279) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:42,484 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 267) no Hoare annotation was computed. [2019-10-07 15:16:42,484 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 214 279) no Hoare annotation was computed. [2019-10-07 15:16:42,484 INFO L439 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:42,484 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 250) no Hoare annotation was computed. [2019-10-07 15:16:42,484 INFO L443 ceAbstractionStarter]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2019-10-07 15:16:42,484 INFO L439 ceAbstractionStarter]: At program point L269(lines 224 271) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:42,485 INFO L439 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:42,485 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 240) no Hoare annotation was computed. [2019-10-07 15:16:42,485 INFO L443 ceAbstractionStarter]: For program point L234-1(lines 234 240) no Hoare annotation was computed. [2019-10-07 15:16:42,485 INFO L439 ceAbstractionStarter]: At program point L272(lines 223 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:42,485 INFO L439 ceAbstractionStarter]: At program point L262-2(lines 254 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:42,485 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 214 279) no Hoare annotation was computed. [2019-10-07 15:16:42,486 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 780 825) no Hoare annotation was computed. [2019-10-07 15:16:42,486 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 780 825) no Hoare annotation was computed. [2019-10-07 15:16:42,486 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 497 505) the Hoare annotation is: true [2019-10-07 15:16:42,486 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 497 505) no Hoare annotation was computed. [2019-10-07 15:16:42,486 INFO L443 ceAbstractionStarter]: For program point L896(lines 896 902) no Hoare annotation was computed. [2019-10-07 15:16:42,486 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 905) no Hoare annotation was computed. [2019-10-07 15:16:42,486 INFO L439 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:16:42,487 INFO L443 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2019-10-07 15:16:42,487 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 908) no Hoare annotation was computed. [2019-10-07 15:16:42,487 INFO L443 ceAbstractionStarter]: For program point L891-1(lines 883 911) no Hoare annotation was computed. [2019-10-07 15:16:42,487 INFO L446 ceAbstractionStarter]: At program point L889(line 889) the Hoare annotation is: true [2019-10-07 15:16:42,487 INFO L443 ceAbstractionStarter]: For program point L889-1(line 889) no Hoare annotation was computed. [2019-10-07 15:16:42,487 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 883 911) the Hoare annotation is: true [2019-10-07 15:16:42,487 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 883 911) no Hoare annotation was computed. [2019-10-07 15:16:42,487 INFO L439 ceAbstractionStarter]: At program point L898(line 898) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:16:42,488 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 465 487) no Hoare annotation was computed. [2019-10-07 15:16:42,488 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 465 487) no Hoare annotation was computed. [2019-10-07 15:16:42,488 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 875 882) the Hoare annotation is: true [2019-10-07 15:16:42,488 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 875 882) no Hoare annotation was computed. [2019-10-07 15:16:42,488 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 383 392) no Hoare annotation was computed. [2019-10-07 15:16:42,488 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 383 392) no Hoare annotation was computed. [2019-10-07 15:16:42,488 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 677 779) no Hoare annotation was computed. [2019-10-07 15:16:42,489 INFO L443 ceAbstractionStarter]: For program point L727(lines 726 746) no Hoare annotation was computed. [2019-10-07 15:16:42,489 INFO L443 ceAbstractionStarter]: For program point L758(line 758) no Hoare annotation was computed. [2019-10-07 15:16:42,489 INFO L443 ceAbstractionStarter]: For program point L758-1(line 758) no Hoare annotation was computed. [2019-10-07 15:16:42,489 INFO L443 ceAbstractionStarter]: For program point L723(lines 723 764) no Hoare annotation was computed. [2019-10-07 15:16:42,489 INFO L443 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2019-10-07 15:16:42,489 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 677 779) no Hoare annotation was computed. [2019-10-07 15:16:42,489 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-10-07 15:16:42,489 INFO L443 ceAbstractionStarter]: For program point L701(lines 701 705) no Hoare annotation was computed. [2019-10-07 15:16:42,490 INFO L443 ceAbstractionStarter]: For program point L726-2(lines 726 746) no Hoare annotation was computed. [2019-10-07 15:16:42,490 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 677 779) no Hoare annotation was computed. [2019-10-07 15:16:42,490 INFO L443 ceAbstractionStarter]: For program point L747(lines 725 748) no Hoare annotation was computed. [2019-10-07 15:16:42,490 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 722) no Hoare annotation was computed. [2019-10-07 15:16:42,490 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:16:42,490 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:42,490 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 111 118) no Hoare annotation was computed. [2019-10-07 15:16:42,491 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 111 118) no Hoare annotation was computed. [2019-10-07 15:16:42,491 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 488 496) no Hoare annotation was computed. [2019-10-07 15:16:42,491 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 488 496) no Hoare annotation was computed. [2019-10-07 15:16:42,491 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 444 455) the Hoare annotation is: true [2019-10-07 15:16:42,491 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 444 455) no Hoare annotation was computed. [2019-10-07 15:16:42,491 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:42,491 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:16:42,491 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 456 464) the Hoare annotation is: true [2019-10-07 15:16:42,492 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 456 464) no Hoare annotation was computed. [2019-10-07 15:16:42,492 INFO L439 ceAbstractionStarter]: At program point L65(lines 65 71) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:16:42,492 INFO L439 ceAbstractionStarter]: At program point L60(line 60) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:16:42,492 INFO L443 ceAbstractionStarter]: For program point L58(lines 57 76) no Hoare annotation was computed. [2019-10-07 15:16:42,492 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:16:42,492 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2019-10-07 15:16:42,492 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2019-10-07 15:16:42,492 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:16:42,493 INFO L446 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: true [2019-10-07 15:16:42,493 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 282 311) no Hoare annotation was computed. [2019-10-07 15:16:42,493 INFO L443 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2019-10-07 15:16:42,493 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 282 311) the Hoare annotation is: true [2019-10-07 15:16:42,493 INFO L446 ceAbstractionStarter]: At program point L307(lines 282 311) the Hoare annotation is: true [2019-10-07 15:16:42,493 INFO L443 ceAbstractionStarter]: For program point L303(line 303) no Hoare annotation was computed. [2019-10-07 15:16:42,493 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 300) no Hoare annotation was computed. [2019-10-07 15:16:42,493 INFO L446 ceAbstractionStarter]: At program point L296-1(lines 296 300) the Hoare annotation is: true [2019-10-07 15:16:42,493 INFO L446 ceAbstractionStarter]: At program point L292-2(lines 292 306) the Hoare annotation is: true [2019-10-07 15:16:42,494 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 420 431) the Hoare annotation is: true [2019-10-07 15:16:42,494 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 420 431) no Hoare annotation was computed. [2019-10-07 15:16:42,494 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 336 342) no Hoare annotation was computed. [2019-10-07 15:16:42,494 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 336 342) the Hoare annotation is: true [2019-10-07 15:16:42,494 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:42,494 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-07 15:16:42,494 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:16:42,494 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:16:42,495 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 202 209) no Hoare annotation was computed. [2019-10-07 15:16:42,495 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 202 209) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:16:42,495 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 432 443) no Hoare annotation was computed. [2019-10-07 15:16:42,513 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 432 443) the Hoare annotation is: true [2019-10-07 15:16:42,513 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 913 920) the Hoare annotation is: true [2019-10-07 15:16:42,514 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 917) no Hoare annotation was computed. [2019-10-07 15:16:42,514 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 913 920) no Hoare annotation was computed. [2019-10-07 15:16:42,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:16:42 BoogieIcfgContainer [2019-10-07 15:16:42,528 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:16:42,531 INFO L168 Benchmark]: Toolchain (without parser) took 5708.70 ms. Allocated memory was 138.9 MB in the beginning and 285.2 MB in the end (delta: 146.3 MB). Free memory was 101.6 MB in the beginning and 251.7 MB in the end (delta: -150.1 MB). Peak memory consumption was 117.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:42,532 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:16:42,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.40 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 101.4 MB in the beginning and 169.2 MB in the end (delta: -67.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:42,534 INFO L168 Benchmark]: Boogie Preprocessor took 108.74 ms. Allocated memory is still 201.9 MB. Free memory was 169.2 MB in the beginning and 164.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:42,535 INFO L168 Benchmark]: RCFGBuilder took 1658.78 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 164.6 MB in the beginning and 151.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:42,536 INFO L168 Benchmark]: TraceAbstraction took 3249.83 ms. Allocated memory was 235.4 MB in the beginning and 285.2 MB in the end (delta: 49.8 MB). Free memory was 150.1 MB in the beginning and 251.7 MB in the end (delta: -101.6 MB). Peak memory consumption was 70.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:42,541 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 687.40 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 101.4 MB in the beginning and 169.2 MB in the end (delta: -67.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.74 ms. Allocated memory is still 201.9 MB. Free memory was 169.2 MB in the beginning and 164.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1658.78 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 164.6 MB in the beginning and 151.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3249.83 ms. Allocated memory was 235.4 MB in the beginning and 285.2 MB in the end (delta: 49.8 MB). Free memory was 150.1 MB in the beginning and 251.7 MB in the end (delta: -101.6 MB). Peak memory consumption was 70.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 917]: 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: 223]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 174 locations, 1 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 470 SDtfs, 209 SDslu, 714 SDs, 0 SdLazy, 307 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 231 PreInvPairs, 245 NumberOfFragments, 508 HoareAnnotationTreeSize, 231 FomulaSimplifications, 87 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 53 FomulaSimplificationsInter, 732 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 24762 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...