java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:15:10,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:15:10,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:15:10,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:15:10,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:15:10,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:15:10,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:15:10,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:15:10,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:15:10,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:15:10,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:15:10,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:15:10,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:15:10,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:15:10,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:15:10,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:15:10,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:15:10,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:15:10,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:15:10,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:15:10,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:15:10,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:15:10,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:15:10,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:15:10,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:15:10,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:15:10,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:15:10,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:15:10,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:15:10,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:15:10,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:15:10,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:15:10,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:15:10,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:15:10,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:15:10,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:15:10,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:15:10,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:15:10,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:15:10,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:15:10,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:15:10,620 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 15:15:10,635 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:15:10,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:15:10,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:15:10,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:15:10,637 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:15:10,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:15:10,638 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:15:10,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:15:10,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:15:10,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:15:10,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:15:10,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:15:10,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:15:10,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:15:10,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:15:10,639 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:15:10,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:15:10,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:15:10,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:15:10,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:15:10,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:15:10,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:15:10,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:15:10,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:15:10,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:15:10,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:15:10,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:15:10,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:15:10,642 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 15:15:10,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:15:10,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:15:10,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:15:10,935 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:15:10,935 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:15:10,936 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product26.cil.c [2019-10-07 15:15:10,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dd17455b/ba3eed98ae4b47359d10c633d9fba09b/FLAG0bb83de88 [2019-10-07 15:15:11,564 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:15:11,565 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product26.cil.c [2019-10-07 15:15:11,588 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dd17455b/ba3eed98ae4b47359d10c633d9fba09b/FLAG0bb83de88 [2019-10-07 15:15:11,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dd17455b/ba3eed98ae4b47359d10c633d9fba09b [2019-10-07 15:15:11,865 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:15:11,867 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:15:11,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:11,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:15:11,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:15:11,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:11" (1/1) ... [2019-10-07 15:15:11,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4432d2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:11, skipping insertion in model container [2019-10-07 15:15:11,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:11" (1/1) ... [2019-10-07 15:15:11,880 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:15:11,925 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:15:12,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:12,401 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:15:12,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:12,552 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:15:12,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:12 WrapperNode [2019-10-07 15:15:12,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:12,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:15:12,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:15:12,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:15:12,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:12" (1/1) ... [2019-10-07 15:15:12,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:12" (1/1) ... [2019-10-07 15:15:12,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:12" (1/1) ... [2019-10-07 15:15:12,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:12" (1/1) ... [2019-10-07 15:15:12,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:12" (1/1) ... [2019-10-07 15:15:12,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:12" (1/1) ... [2019-10-07 15:15:12,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:12" (1/1) ... [2019-10-07 15:15:12,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:15:12,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:15:12,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:15:12,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:15:12,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:12" (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 15:15:12,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:15:12,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:15:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:15:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:15:12,716 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:15:12,717 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:15:12,717 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:15:12,717 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:15:12,717 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:15:12,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:15:12,718 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:15:12,718 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:15:12,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:15:12,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:12,719 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:15:12,721 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:15:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:15:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:15:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:15:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:15:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:15:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:15:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:15:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:15:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:15:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:15:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:15:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:15:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:15:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:15:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:15:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:15:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:15:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:15:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:15:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:15:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:15:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:15:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:15:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:15:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:15:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:15:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:15:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:15:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:15:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:15:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:15:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:15:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:15:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:15:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:15:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:15:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:15:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:15:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:15:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:15:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:15:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:15:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:15:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:15:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:15:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:15:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:15:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:15:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:15:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:15:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:15:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:15:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:15:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:15:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:15:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:15:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:15:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:15:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:15:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:15:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:15:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:15:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:15:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:15:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:15:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:15:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:15:14,200 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:15:14,200 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:15:14,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:14 BoogieIcfgContainer [2019-10-07 15:15:14,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:15:14,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:15:14,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:15:14,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:15:14,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:15:11" (1/3) ... [2019-10-07 15:15:14,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfad73d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:14, skipping insertion in model container [2019-10-07 15:15:14,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:12" (2/3) ... [2019-10-07 15:15:14,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfad73d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:14, skipping insertion in model container [2019-10-07 15:15:14,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:14" (3/3) ... [2019-10-07 15:15:14,210 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product26.cil.c [2019-10-07 15:15:14,222 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:15:14,232 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:15:14,246 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:15:14,284 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:15:14,284 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:15:14,284 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:15:14,284 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:15:14,285 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:15:14,285 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:15:14,285 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:15:14,285 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:15:14,316 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2019-10-07 15:15:14,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:15:14,327 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:14,329 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] [2019-10-07 15:15:14,334 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:14,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:14,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1029430883, now seen corresponding path program 1 times [2019-10-07 15:15:14,350 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:14,352 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:14,353 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:14,353 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:14,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:14,715 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 15:15:14,716 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:14,716 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:14,718 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:15:14,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:15:14,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:15:14,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:15:14,740 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 2 states. [2019-10-07 15:15:14,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:14,790 INFO L93 Difference]: Finished difference Result 183 states and 220 transitions. [2019-10-07 15:15:14,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:15:14,792 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:15:14,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:14,807 INFO L225 Difference]: With dead ends: 183 [2019-10-07 15:15:14,807 INFO L226 Difference]: Without dead ends: 92 [2019-10-07 15:15:14,811 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 15:15:14,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-10-07 15:15:14,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-10-07 15:15:14,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-07 15:15:14,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 104 transitions. [2019-10-07 15:15:14,873 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 104 transitions. Word has length 42 [2019-10-07 15:15:14,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:14,873 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 104 transitions. [2019-10-07 15:15:14,874 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:15:14,874 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2019-10-07 15:15:14,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:15:14,877 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:14,877 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] [2019-10-07 15:15:14,878 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:14,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:14,878 INFO L82 PathProgramCache]: Analyzing trace with hash -134722330, now seen corresponding path program 1 times [2019-10-07 15:15:14,879 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:14,879 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:14,879 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:14,879 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:14,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:15,025 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 15:15:15,026 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:15,026 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:15,026 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:15:15,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:15:15,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:15:15,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:15:15,030 INFO L87 Difference]: Start difference. First operand 92 states and 104 transitions. Second operand 3 states. [2019-10-07 15:15:15,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:15,052 INFO L93 Difference]: Finished difference Result 137 states and 154 transitions. [2019-10-07 15:15:15,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:15:15,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:15:15,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:15,057 INFO L225 Difference]: With dead ends: 137 [2019-10-07 15:15:15,057 INFO L226 Difference]: Without dead ends: 84 [2019-10-07 15:15:15,060 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 15:15:15,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-10-07 15:15:15,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2019-10-07 15:15:15,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-10-07 15:15:15,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 93 transitions. [2019-10-07 15:15:15,075 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 93 transitions. Word has length 43 [2019-10-07 15:15:15,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:15,076 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 93 transitions. [2019-10-07 15:15:15,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:15:15,076 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2019-10-07 15:15:15,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:15:15,078 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:15,078 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 15:15:15,078 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:15,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:15,079 INFO L82 PathProgramCache]: Analyzing trace with hash -61227861, now seen corresponding path program 1 times [2019-10-07 15:15:15,079 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:15,079 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:15,080 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:15,080 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:15,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:15,238 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 15:15:15,238 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:15,239 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:15,239 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:15,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:15,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:15,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:15,241 INFO L87 Difference]: Start difference. First operand 84 states and 93 transitions. Second operand 7 states. [2019-10-07 15:15:15,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:15,585 INFO L93 Difference]: Finished difference Result 146 states and 165 transitions. [2019-10-07 15:15:15,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:15:15,585 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-07 15:15:15,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:15,587 INFO L225 Difference]: With dead ends: 146 [2019-10-07 15:15:15,587 INFO L226 Difference]: Without dead ends: 84 [2019-10-07 15:15:15,589 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 15:15:15,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-10-07 15:15:15,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2019-10-07 15:15:15,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-10-07 15:15:15,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2019-10-07 15:15:15,614 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 46 [2019-10-07 15:15:15,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:15,615 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2019-10-07 15:15:15,615 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:15,615 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2019-10-07 15:15:15,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:15:15,619 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:15,619 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] [2019-10-07 15:15:15,620 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:15,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:15,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1186434530, now seen corresponding path program 1 times [2019-10-07 15:15:15,621 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:15,621 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:15,621 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:15,621 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:15,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:15,784 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 15:15:15,785 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:15,785 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:15,785 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:15:15,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:15:15,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:15:15,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:15:15,787 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand 6 states. [2019-10-07 15:15:15,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:15,976 INFO L93 Difference]: Finished difference Result 201 states and 228 transitions. [2019-10-07 15:15:15,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:15,977 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-10-07 15:15:15,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:15,982 INFO L225 Difference]: With dead ends: 201 [2019-10-07 15:15:15,983 INFO L226 Difference]: Without dead ends: 139 [2019-10-07 15:15:15,985 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 15:15:15,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-10-07 15:15:16,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 135. [2019-10-07 15:15:16,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-07 15:15:16,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 150 transitions. [2019-10-07 15:15:16,024 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 150 transitions. Word has length 54 [2019-10-07 15:15:16,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:16,025 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 150 transitions. [2019-10-07 15:15:16,025 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:15:16,025 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 150 transitions. [2019-10-07 15:15:16,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-07 15:15:16,027 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:16,027 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] [2019-10-07 15:15:16,027 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:16,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:16,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1950571976, now seen corresponding path program 1 times [2019-10-07 15:15:16,028 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:16,028 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:16,028 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:16,028 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:16,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:16,129 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 15:15:16,130 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:16,130 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:16,130 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:16,131 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:16,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:16,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:16,131 INFO L87 Difference]: Start difference. First operand 135 states and 150 transitions. Second operand 7 states. [2019-10-07 15:15:16,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:16,432 INFO L93 Difference]: Finished difference Result 215 states and 246 transitions. [2019-10-07 15:15:16,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:16,432 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-07 15:15:16,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:16,433 INFO L225 Difference]: With dead ends: 215 [2019-10-07 15:15:16,434 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:15:16,435 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 15:15:16,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:15:16,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:15:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:15:16,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:15:16,436 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2019-10-07 15:15:16,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:16,437 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:15:16,437 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:16,437 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:15:16,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:15:16,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:15:17,162 INFO L443 ceAbstractionStarter]: For program point L565(lines 565 569) no Hoare annotation was computed. [2019-10-07 15:15:17,163 INFO L443 ceAbstractionStarter]: For program point L559-2(lines 559 580) no Hoare annotation was computed. [2019-10-07 15:15:17,163 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 534 589) no Hoare annotation was computed. [2019-10-07 15:15:17,163 INFO L443 ceAbstractionStarter]: For program point L581(lines 558 582) no Hoare annotation was computed. [2019-10-07 15:15:17,163 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 534 589) no Hoare annotation was computed. [2019-10-07 15:15:17,163 INFO L443 ceAbstractionStarter]: For program point L635(line 635) no Hoare annotation was computed. [2019-10-07 15:15:17,164 INFO L443 ceAbstractionStarter]: For program point L635-1(line 635) no Hoare annotation was computed. [2019-10-07 15:15:17,164 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 590 649) no Hoare annotation was computed. [2019-10-07 15:15:17,164 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 590 649) no Hoare annotation was computed. [2019-10-07 15:15:17,164 INFO L443 ceAbstractionStarter]: For program point L622(lines 622 626) no Hoare annotation was computed. [2019-10-07 15:15:17,164 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 590 649) no Hoare annotation was computed. [2019-10-07 15:15:17,164 INFO L443 ceAbstractionStarter]: For program point L616-2(lines 616 641) no Hoare annotation was computed. [2019-10-07 15:15:17,164 INFO L443 ceAbstractionStarter]: For program point L642(lines 615 643) no Hoare annotation was computed. [2019-10-07 15:15:17,165 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-07 15:15:17,165 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-07 15:15:17,165 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-07 15:15:17,165 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-07 15:15:17,165 INFO L439 ceAbstractionStarter]: At program point L289(line 289) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~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 15:15:17,166 INFO L439 ceAbstractionStarter]: At program point L289-1(line 289) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~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 15:15:17,166 INFO L443 ceAbstractionStarter]: For program point L287(lines 287 294) no Hoare annotation was computed. [2019-10-07 15:15:17,166 INFO L443 ceAbstractionStarter]: For program point L287-1(lines 287 294) no Hoare annotation was computed. [2019-10-07 15:15:17,166 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 277 299) 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 15:15:17,166 INFO L443 ceAbstractionStarter]: For program point L285(line 285) no Hoare annotation was computed. [2019-10-07 15:15:17,167 INFO L439 ceAbstractionStarter]: At program point L284(line 284) 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 15:15:17,167 INFO L439 ceAbstractionStarter]: At program point L283(line 283) 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 15:15:17,167 INFO L439 ceAbstractionStarter]: At program point L283-1(line 283) 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 15:15:17,167 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 277 299) no Hoare annotation was computed. [2019-10-07 15:15:17,167 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 235 258) no Hoare annotation was computed. [2019-10-07 15:15:17,167 INFO L443 ceAbstractionStarter]: For program point L253(line 253) no Hoare annotation was computed. [2019-10-07 15:15:17,168 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 235 258) no Hoare annotation was computed. [2019-10-07 15:15:17,168 INFO L443 ceAbstractionStarter]: For program point L252(line 252) no Hoare annotation was computed. [2019-10-07 15:15:17,168 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 235 258) no Hoare annotation was computed. [2019-10-07 15:15:17,168 INFO L443 ceAbstractionStarter]: For program point L251(line 251) no Hoare annotation was computed. [2019-10-07 15:15:17,168 INFO L443 ceAbstractionStarter]: For program point L250(line 250) no Hoare annotation was computed. [2019-10-07 15:15:17,168 INFO L443 ceAbstractionStarter]: For program point L249(line 249) no Hoare annotation was computed. [2019-10-07 15:15:17,168 INFO L443 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2019-10-07 15:15:17,168 INFO L443 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2019-10-07 15:15:17,169 INFO L443 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2019-10-07 15:15:17,169 INFO L443 ceAbstractionStarter]: For program point L245(line 245) no Hoare annotation was computed. [2019-10-07 15:15:17,169 INFO L443 ceAbstractionStarter]: For program point L244(line 244) no Hoare annotation was computed. [2019-10-07 15:15:17,169 INFO L443 ceAbstractionStarter]: For program point L243(line 243) no Hoare annotation was computed. [2019-10-07 15:15:17,169 INFO L443 ceAbstractionStarter]: For program point L242(line 242) no Hoare annotation was computed. [2019-10-07 15:15:17,169 INFO L443 ceAbstractionStarter]: For program point L241(line 241) no Hoare annotation was computed. [2019-10-07 15:15:17,170 INFO L443 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2019-10-07 15:15:17,170 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 409 417) no Hoare annotation was computed. [2019-10-07 15:15:17,170 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 409 417) the Hoare annotation is: true [2019-10-07 15:15:17,170 INFO L446 ceAbstractionStarter]: At program point L461(line 461) the Hoare annotation is: true [2019-10-07 15:15:17,170 INFO L443 ceAbstractionStarter]: For program point L461-1(line 461) no Hoare annotation was computed. [2019-10-07 15:15:17,170 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 454 472) the Hoare annotation is: true [2019-10-07 15:15:17,171 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 454 472) no Hoare annotation was computed. [2019-10-07 15:15:17,171 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-07 15:15:17,171 INFO L443 ceAbstractionStarter]: For program point L448-1(line 448) no Hoare annotation was computed. [2019-10-07 15:15:17,171 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 418 453) no Hoare annotation was computed. [2019-10-07 15:15:17,171 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 418 453) no Hoare annotation was computed. [2019-10-07 15:15:17,171 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-07 15:15:17,171 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-07 15:15:17,171 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 488 533) no Hoare annotation was computed. [2019-10-07 15:15:17,172 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 488 533) no Hoare annotation was computed. [2019-10-07 15:15:17,172 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 801 846) no Hoare annotation was computed. [2019-10-07 15:15:17,172 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 801 846) no Hoare annotation was computed. [2019-10-07 15:15:17,172 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 267 276) 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 15:15:17,172 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 267 276) no Hoare annotation was computed. [2019-10-07 15:15:17,172 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 267 276) no Hoare annotation was computed. [2019-10-07 15:15:17,173 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 398 408) no Hoare annotation was computed. [2019-10-07 15:15:17,173 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 398 408) no Hoare annotation was computed. [2019-10-07 15:15:17,173 INFO L443 ceAbstractionStarter]: For program point L403(line 403) no Hoare annotation was computed. [2019-10-07 15:15:17,173 INFO L443 ceAbstractionStarter]: For program point L403-1(line 403) no Hoare annotation was computed. [2019-10-07 15:15:17,173 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 390 397) the Hoare annotation is: true [2019-10-07 15:15:17,173 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 390 397) no Hoare annotation was computed. [2019-10-07 15:15:17,173 INFO L439 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:15:17,174 INFO L439 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:15:17,174 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 355) no Hoare annotation was computed. [2019-10-07 15:15:17,174 INFO L439 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:15:17,174 INFO L443 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2019-10-07 15:15:17,174 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 360) no Hoare annotation was computed. [2019-10-07 15:15:17,174 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 339 363) no Hoare annotation was computed. [2019-10-07 15:15:17,175 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 339 363) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:15:17,175 INFO L439 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:15:17,175 INFO L443 ceAbstractionStarter]: For program point L358-1(lines 339 363) no Hoare annotation was computed. [2019-10-07 15:15:17,175 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 331 337) no Hoare annotation was computed. [2019-10-07 15:15:17,175 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 331 337) the Hoare annotation is: true [2019-10-07 15:15:17,175 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 848 913) 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 15:15:17,176 INFO L439 ceAbstractionStarter]: At program point L896-2(lines 888 901) 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 15:15:17,176 INFO L443 ceAbstractionStarter]: For program point L859(lines 858 905) no Hoare annotation was computed. [2019-10-07 15:15:17,176 INFO L439 ceAbstractionStarter]: At program point L890(line 890) 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 15:15:17,176 INFO L443 ceAbstractionStarter]: For program point L888(lines 888 901) no Hoare annotation was computed. [2019-10-07 15:15:17,176 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 848 913) no Hoare annotation was computed. [2019-10-07 15:15:17,176 INFO L439 ceAbstractionStarter]: At program point L880(line 880) 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 15:15:17,177 INFO L443 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2019-10-07 15:15:17,177 INFO L443 ceAbstractionStarter]: For program point L878-1(lines 878 884) no Hoare annotation was computed. [2019-10-07 15:15:17,177 INFO L439 ceAbstractionStarter]: At program point L903(lines 858 905) 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 15:15:17,177 INFO L439 ceAbstractionStarter]: At program point L870(line 870) 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 15:15:17,177 INFO L443 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2019-10-07 15:15:17,178 INFO L443 ceAbstractionStarter]: For program point L868-1(lines 868 874) no Hoare annotation was computed. [2019-10-07 15:15:17,178 INFO L439 ceAbstractionStarter]: At program point L906(lines 857 907) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:17,178 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 848 913) no Hoare annotation was computed. [2019-10-07 15:15:17,178 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 755 800) no Hoare annotation was computed. [2019-10-07 15:15:17,178 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 755 800) no Hoare annotation was computed. [2019-10-07 15:15:17,178 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 364 371) no Hoare annotation was computed. [2019-10-07 15:15:17,178 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 364 371) no Hoare annotation was computed. [2019-10-07 15:15:17,179 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 164 172) the Hoare annotation is: true [2019-10-07 15:15:17,179 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 164 172) no Hoare annotation was computed. [2019-10-07 15:15:17,179 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 132 154) no Hoare annotation was computed. [2019-10-07 15:15:17,179 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 132 154) no Hoare annotation was computed. [2019-10-07 15:15:17,179 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:15:17,179 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:15:17,180 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 652 754) no Hoare annotation was computed. [2019-10-07 15:15:17,180 INFO L443 ceAbstractionStarter]: For program point L702(lines 701 721) no Hoare annotation was computed. [2019-10-07 15:15:17,180 INFO L443 ceAbstractionStarter]: For program point L733(line 733) no Hoare annotation was computed. [2019-10-07 15:15:17,180 INFO L443 ceAbstractionStarter]: For program point L733-1(line 733) no Hoare annotation was computed. [2019-10-07 15:15:17,180 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 739) no Hoare annotation was computed. [2019-10-07 15:15:17,180 INFO L443 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2019-10-07 15:15:17,180 INFO L443 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2019-10-07 15:15:17,181 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 652 754) no Hoare annotation was computed. [2019-10-07 15:15:17,181 INFO L443 ceAbstractionStarter]: For program point L676(lines 676 680) no Hoare annotation was computed. [2019-10-07 15:15:17,181 INFO L443 ceAbstractionStarter]: For program point L701-2(lines 701 721) no Hoare annotation was computed. [2019-10-07 15:15:17,181 INFO L443 ceAbstractionStarter]: For program point L722(lines 700 723) no Hoare annotation was computed. [2019-10-07 15:15:17,181 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 652 754) no Hoare annotation was computed. [2019-10-07 15:15:17,181 INFO L443 ceAbstractionStarter]: For program point L681(lines 681 697) no Hoare annotation was computed. [2019-10-07 15:15:17,181 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:15:17,181 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:17,182 INFO L443 ceAbstractionStarter]: For program point L384(line 384) no Hoare annotation was computed. [2019-10-07 15:15:17,182 INFO L443 ceAbstractionStarter]: For program point L384-1(lines 373 389) no Hoare annotation was computed. [2019-10-07 15:15:17,182 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 386) no Hoare annotation was computed. [2019-10-07 15:15:17,182 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 373 389) no Hoare annotation was computed. [2019-10-07 15:15:17,182 INFO L443 ceAbstractionStarter]: For program point L378(line 378) no Hoare annotation was computed. [2019-10-07 15:15:17,182 INFO L443 ceAbstractionStarter]: For program point L378-1(line 378) no Hoare annotation was computed. [2019-10-07 15:15:17,182 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 373 389) no Hoare annotation was computed. [2019-10-07 15:15:17,183 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 155 163) no Hoare annotation was computed. [2019-10-07 15:15:17,183 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 155 163) no Hoare annotation was computed. [2019-10-07 15:15:17,183 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 111 122) the Hoare annotation is: true [2019-10-07 15:15:17,183 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 111 122) no Hoare annotation was computed. [2019-10-07 15:15:17,183 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:17,183 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:15:17,183 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 123 131) the Hoare annotation is: true [2019-10-07 15:15:17,184 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 123 131) no Hoare annotation was computed. [2019-10-07 15:15:17,184 INFO L439 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:15:17,184 INFO L439 ceAbstractionStarter]: At program point L318(lines 318 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:15:17,184 INFO L439 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:15:17,184 INFO L443 ceAbstractionStarter]: For program point L311(lines 310 329) no Hoare annotation was computed. [2019-10-07 15:15:17,184 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 307 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:15:17,184 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 307 330) no Hoare annotation was computed. [2019-10-07 15:15:17,185 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 307 330) no Hoare annotation was computed. [2019-10-07 15:15:17,185 INFO L443 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2019-10-07 15:15:17,185 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 204 233) no Hoare annotation was computed. [2019-10-07 15:15:17,185 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 204 233) the Hoare annotation is: true [2019-10-07 15:15:17,185 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2019-10-07 15:15:17,185 INFO L446 ceAbstractionStarter]: At program point L218-1(lines 218 222) the Hoare annotation is: true [2019-10-07 15:15:17,185 INFO L446 ceAbstractionStarter]: At program point L214-2(lines 214 228) the Hoare annotation is: true [2019-10-07 15:15:17,186 INFO L446 ceAbstractionStarter]: At program point L210(line 210) the Hoare annotation is: true [2019-10-07 15:15:17,186 INFO L443 ceAbstractionStarter]: For program point L210-1(line 210) no Hoare annotation was computed. [2019-10-07 15:15:17,186 INFO L446 ceAbstractionStarter]: At program point L229(lines 204 233) the Hoare annotation is: true [2019-10-07 15:15:17,186 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 87 98) the Hoare annotation is: true [2019-10-07 15:15:17,186 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 87 98) no Hoare annotation was computed. [2019-10-07 15:15:17,186 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 259 265) no Hoare annotation was computed. [2019-10-07 15:15:17,186 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 259 265) the Hoare annotation is: true [2019-10-07 15:15:17,187 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:17,187 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 15:15:17,187 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:15:17,187 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:15:17,187 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 473 480) no Hoare annotation was computed. [2019-10-07 15:15:17,187 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 473 480) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:15:17,187 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 99 110) no Hoare annotation was computed. [2019-10-07 15:15:17,188 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 99 110) the Hoare annotation is: true [2019-10-07 15:15:17,188 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 919) no Hoare annotation was computed. [2019-10-07 15:15:17,188 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 915 922) the Hoare annotation is: true [2019-10-07 15:15:17,188 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 915 922) no Hoare annotation was computed. [2019-10-07 15:15:17,188 INFO L439 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:15:17,188 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 176 200) the Hoare annotation is: true [2019-10-07 15:15:17,189 INFO L443 ceAbstractionStarter]: For program point L188(lines 188 194) no Hoare annotation was computed. [2019-10-07 15:15:17,189 INFO L439 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:15:17,189 INFO L443 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2019-10-07 15:15:17,189 INFO L443 ceAbstractionStarter]: For program point L184(lines 184 197) no Hoare annotation was computed. [2019-10-07 15:15:17,189 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 176 200) no Hoare annotation was computed. [2019-10-07 15:15:17,189 INFO L443 ceAbstractionStarter]: For program point L184-1(lines 176 200) no Hoare annotation was computed. [2019-10-07 15:15:17,189 INFO L446 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2019-10-07 15:15:17,190 INFO L443 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2019-10-07 15:15:17,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:15:17 BoogieIcfgContainer [2019-10-07 15:15:17,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:15:17,207 INFO L168 Benchmark]: Toolchain (without parser) took 5339.23 ms. Allocated memory was 137.9 MB in the beginning and 248.0 MB in the end (delta: 110.1 MB). Free memory was 101.8 MB in the beginning and 99.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 126.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:17,208 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 15:15:17,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.24 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 101.6 MB in the beginning and 168.1 MB in the end (delta: -66.4 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:17,210 INFO L168 Benchmark]: Boogie Preprocessor took 86.22 ms. Allocated memory is still 202.9 MB. Free memory was 168.1 MB in the beginning and 164.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:17,211 INFO L168 Benchmark]: RCFGBuilder took 1562.57 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 164.0 MB in the beginning and 149.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:17,212 INFO L168 Benchmark]: TraceAbstraction took 3001.10 ms. Allocated memory was 234.9 MB in the beginning and 248.0 MB in the end (delta: 13.1 MB). Free memory was 149.4 MB in the beginning and 99.7 MB in the end (delta: 49.6 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:17,217 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 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.24 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 101.6 MB in the beginning and 168.1 MB in the end (delta: -66.4 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.22 ms. Allocated memory is still 202.9 MB. Free memory was 168.1 MB in the beginning and 164.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1562.57 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 164.0 MB in the beginning and 149.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3001.10 ms. Allocated memory was 234.9 MB in the beginning and 248.0 MB in the end (delta: 13.1 MB). Free memory was 149.4 MB in the beginning and 99.7 MB in the end (delta: 49.6 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 919]: 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: 858]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 177 locations, 1 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 448 SDtfs, 236 SDslu, 680 SDs, 0 SdLazy, 293 SolverSat, 96 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 229 PreInvPairs, 243 NumberOfFragments, 484 HoareAnnotationTreeSize, 229 FomulaSimplifications, 87 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 704 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 237 ConstructedInterpolants, 0 QuantifiedInterpolants, 21613 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...