java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:18:01,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:18:01,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:18:01,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:18:01,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:18:01,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:18:01,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:18:01,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:18:01,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:18:01,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:18:01,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:18:01,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:18:01,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:18:01,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:18:01,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:18:01,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:18:01,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:18:01,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:18:01,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:18:01,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:18:01,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:18:01,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:18:01,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:18:01,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:18:01,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:18:01,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:18:01,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:18:01,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:18:01,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:18:01,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:18:01,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:18:01,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:18:01,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:18:01,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:18:01,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:18:01,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:18:01,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:18:01,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:18:01,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:18:01,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:18:01,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:18:01,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:18:01,564 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:18:01,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:18:01,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:18:01,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:18:01,566 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:18:01,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:18:01,567 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:18:01,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:18:01,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:18:01,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:18:01,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:18:01,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:18:01,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:18:01,568 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:18:01,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:18:01,568 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:18:01,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:18:01,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:18:01,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:18:01,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:18:01,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:18:01,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:18:01,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:18:01,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:18:01,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:18:01,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:18:01,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:18:01,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:18:01,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:18:01,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:18:01,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:18:01,854 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:18:01,856 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:18:01,857 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:18:01,858 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product31.cil.c [2019-10-13 23:18:01,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcb086d9f/f37ae71ff1bb4d10a0e9f17ac2752dbf/FLAGe09cb84fb [2019-10-13 23:18:02,482 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:18:02,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product31.cil.c [2019-10-13 23:18:02,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcb086d9f/f37ae71ff1bb4d10a0e9f17ac2752dbf/FLAGe09cb84fb [2019-10-13 23:18:02,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcb086d9f/f37ae71ff1bb4d10a0e9f17ac2752dbf [2019-10-13 23:18:02,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:18:02,783 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:18:02,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:18:02,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:18:02,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:18:02,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:18:02" (1/1) ... [2019-10-13 23:18:02,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e20f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:02, skipping insertion in model container [2019-10-13 23:18:02,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:18:02" (1/1) ... [2019-10-13 23:18:02,798 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:18:02,844 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:18:03,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:18:03,322 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:18:03,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:18:03,471 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:18:03,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:03 WrapperNode [2019-10-13 23:18:03,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:18:03,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:18:03,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:18:03,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:18:03,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:03" (1/1) ... [2019-10-13 23:18:03,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:03" (1/1) ... [2019-10-13 23:18:03,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:03" (1/1) ... [2019-10-13 23:18:03,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:03" (1/1) ... [2019-10-13 23:18:03,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:03" (1/1) ... [2019-10-13 23:18:03,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:03" (1/1) ... [2019-10-13 23:18:03,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:03" (1/1) ... [2019-10-13 23:18:03,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:18:03,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:18:03,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:18:03,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:18:03,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:18:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:18:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:18:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:18:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:18:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:18:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:18:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:18:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 23:18:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:18:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 23:18:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:18:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:18:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:18:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:18:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:18:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 23:18:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:18:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:18:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:18:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:18:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:18:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:18:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:18:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 23:18:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:18:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:18:03,617 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:18:03,617 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:18:03,617 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:18:03,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:18:03,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:18:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:18:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:18:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:18:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:18:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:18:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:18:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:18:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:18:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:18:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:18:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:18:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:18:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:18:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:18:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:18:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:18:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:18:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:18:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:18:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:18:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:18:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:18:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:18:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:18:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 23:18:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:18:03,622 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:18:03,622 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:18:03,622 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:18:03,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:18:03,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:18:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:18:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:18:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 23:18:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 23:18:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:18:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 23:18:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:18:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:18:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:18:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:18:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:18:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:18:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:18:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:18:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:18:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:18:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:18:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:18:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:18:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:18:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:18:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:18:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:18:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:18:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:18:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:18:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:18:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:18:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:18:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:18:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:18:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:18:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:18:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:18:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:18:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:18:05,172 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:18:05,173 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:18:05,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:18:05 BoogieIcfgContainer [2019-10-13 23:18:05,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:18:05,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:18:05,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:18:05,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:18:05,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:18:02" (1/3) ... [2019-10-13 23:18:05,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff9d0e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:18:05, skipping insertion in model container [2019-10-13 23:18:05,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:03" (2/3) ... [2019-10-13 23:18:05,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff9d0e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:18:05, skipping insertion in model container [2019-10-13 23:18:05,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:18:05" (3/3) ... [2019-10-13 23:18:05,184 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product31.cil.c [2019-10-13 23:18:05,193 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:18:05,202 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:18:05,213 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:18:05,239 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:18:05,240 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:18:05,240 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:18:05,240 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:18:05,240 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:18:05,241 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:18:05,241 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:18:05,241 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:18:05,261 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2019-10-13 23:18:05,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:18:05,270 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:05,271 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:18:05,273 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:05,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:05,279 INFO L82 PathProgramCache]: Analyzing trace with hash 2031499605, now seen corresponding path program 1 times [2019-10-13 23:18:05,288 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:05,288 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810143235] [2019-10-13 23:18:05,289 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:05,289 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:05,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:05,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:05,665 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810143235] [2019-10-13 23:18:05,666 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:05,666 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:18:05,667 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529670836] [2019-10-13 23:18:05,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:18:05,672 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:05,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:18:05,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:18:05,689 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2019-10-13 23:18:05,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:05,728 INFO L93 Difference]: Finished difference Result 234 states and 289 transitions. [2019-10-13 23:18:05,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:18:05,729 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 23:18:05,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:05,742 INFO L225 Difference]: With dead ends: 234 [2019-10-13 23:18:05,742 INFO L226 Difference]: Without dead ends: 119 [2019-10-13 23:18:05,747 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:18:05,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-10-13 23:18:05,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-10-13 23:18:05,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-13 23:18:05,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 140 transitions. [2019-10-13 23:18:05,804 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 140 transitions. Word has length 52 [2019-10-13 23:18:05,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:05,805 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 140 transitions. [2019-10-13 23:18:05,805 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:18:05,805 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 140 transitions. [2019-10-13 23:18:05,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:18:05,812 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:05,812 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:18:05,813 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:05,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:05,814 INFO L82 PathProgramCache]: Analyzing trace with hash -276908170, now seen corresponding path program 1 times [2019-10-13 23:18:05,814 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:05,814 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041512546] [2019-10-13 23:18:05,814 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:05,815 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:05,815 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:05,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:05,977 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041512546] [2019-10-13 23:18:05,978 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:05,978 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:18:05,979 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833177234] [2019-10-13 23:18:05,981 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:18:05,981 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:05,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:18:05,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:18:05,982 INFO L87 Difference]: Start difference. First operand 119 states and 140 transitions. Second operand 3 states. [2019-10-13 23:18:06,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:06,007 INFO L93 Difference]: Finished difference Result 185 states and 217 transitions. [2019-10-13 23:18:06,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:18:06,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 23:18:06,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:06,010 INFO L225 Difference]: With dead ends: 185 [2019-10-13 23:18:06,011 INFO L226 Difference]: Without dead ends: 111 [2019-10-13 23:18:06,012 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:18:06,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-10-13 23:18:06,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-10-13 23:18:06,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-13 23:18:06,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 129 transitions. [2019-10-13 23:18:06,034 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 129 transitions. Word has length 53 [2019-10-13 23:18:06,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:06,034 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 129 transitions. [2019-10-13 23:18:06,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:18:06,035 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 129 transitions. [2019-10-13 23:18:06,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 23:18:06,040 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:06,041 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:18:06,041 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:06,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:06,041 INFO L82 PathProgramCache]: Analyzing trace with hash 519469267, now seen corresponding path program 1 times [2019-10-13 23:18:06,042 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:06,042 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316799773] [2019-10-13 23:18:06,042 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:06,042 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:06,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:06,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:06,229 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316799773] [2019-10-13 23:18:06,229 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:06,229 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:18:06,230 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863160122] [2019-10-13 23:18:06,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:18:06,231 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:06,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:18:06,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:18:06,231 INFO L87 Difference]: Start difference. First operand 111 states and 129 transitions. Second operand 7 states. [2019-10-13 23:18:06,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:06,694 INFO L93 Difference]: Finished difference Result 332 states and 401 transitions. [2019-10-13 23:18:06,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:18:06,695 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-13 23:18:06,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:06,699 INFO L225 Difference]: With dead ends: 332 [2019-10-13 23:18:06,700 INFO L226 Difference]: Without dead ends: 246 [2019-10-13 23:18:06,701 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:18:06,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2019-10-13 23:18:06,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 238. [2019-10-13 23:18:06,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-10-13 23:18:06,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 287 transitions. [2019-10-13 23:18:06,756 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 287 transitions. Word has length 56 [2019-10-13 23:18:06,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:06,758 INFO L462 AbstractCegarLoop]: Abstraction has 238 states and 287 transitions. [2019-10-13 23:18:06,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:18:06,759 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 287 transitions. [2019-10-13 23:18:06,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 23:18:06,765 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:06,765 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:18:06,766 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:06,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:06,766 INFO L82 PathProgramCache]: Analyzing trace with hash 215817429, now seen corresponding path program 1 times [2019-10-13 23:18:06,766 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:06,766 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712803339] [2019-10-13 23:18:06,767 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:06,767 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:06,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:18:06,863 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712803339] [2019-10-13 23:18:06,864 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:06,864 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:18:06,864 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731478310] [2019-10-13 23:18:06,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:18:06,865 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:06,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:18:06,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:18:06,866 INFO L87 Difference]: Start difference. First operand 238 states and 287 transitions. Second operand 7 states. [2019-10-13 23:18:07,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:07,254 INFO L93 Difference]: Finished difference Result 389 states and 487 transitions. [2019-10-13 23:18:07,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:18:07,256 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-13 23:18:07,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:07,257 INFO L225 Difference]: With dead ends: 389 [2019-10-13 23:18:07,257 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:18:07,264 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 23:18:07,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:18:07,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:18:07,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:18:07,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:18:07,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-10-13 23:18:07,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:07,265 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:18:07,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:18:07,266 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:18:07,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:18:07,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:18:08,032 INFO L443 ceAbstractionStarter]: For program point L634(lines 611 635) no Hoare annotation was computed. [2019-10-13 23:18:08,033 INFO L443 ceAbstractionStarter]: For program point L618(lines 618 622) no Hoare annotation was computed. [2019-10-13 23:18:08,033 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 587 642) no Hoare annotation was computed. [2019-10-13 23:18:08,033 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 587 642) no Hoare annotation was computed. [2019-10-13 23:18:08,033 INFO L443 ceAbstractionStarter]: For program point L612-2(lines 612 633) no Hoare annotation was computed. [2019-10-13 23:18:08,033 INFO L443 ceAbstractionStarter]: For program point L669-2(lines 669 694) no Hoare annotation was computed. [2019-10-13 23:18:08,033 INFO L443 ceAbstractionStarter]: For program point L695(lines 668 696) no Hoare annotation was computed. [2019-10-13 23:18:08,033 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 643 702) no Hoare annotation was computed. [2019-10-13 23:18:08,033 INFO L443 ceAbstractionStarter]: For program point L688(line 688) no Hoare annotation was computed. [2019-10-13 23:18:08,034 INFO L443 ceAbstractionStarter]: For program point L688-1(line 688) no Hoare annotation was computed. [2019-10-13 23:18:08,034 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 643 702) no Hoare annotation was computed. [2019-10-13 23:18:08,034 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 643 702) no Hoare annotation was computed. [2019-10-13 23:18:08,034 INFO L443 ceAbstractionStarter]: For program point L675(lines 675 679) no Hoare annotation was computed. [2019-10-13 23:18:08,034 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 968 974) the Hoare annotation is: true [2019-10-13 23:18:08,034 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 968 974) no Hoare annotation was computed. [2019-10-13 23:18:08,034 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 975 983) no Hoare annotation was computed. [2019-10-13 23:18:08,034 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 975 983) the Hoare annotation is: true [2019-10-13 23:18:08,034 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 902 909) the Hoare annotation is: true [2019-10-13 23:18:08,035 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 902 909) no Hoare annotation was computed. [2019-10-13 23:18:08,035 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 910 919) the Hoare annotation is: true [2019-10-13 23:18:08,035 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 910 919) no Hoare annotation was computed. [2019-10-13 23:18:08,035 INFO L443 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2019-10-13 23:18:08,035 INFO L443 ceAbstractionStarter]: For program point L930-1(line 930) no Hoare annotation was computed. [2019-10-13 23:18:08,035 INFO L443 ceAbstractionStarter]: For program point L928(lines 928 945) no Hoare annotation was computed. [2019-10-13 23:18:08,035 INFO L443 ceAbstractionStarter]: For program point L928-1(lines 920 948) no Hoare annotation was computed. [2019-10-13 23:18:08,035 INFO L446 ceAbstractionStarter]: At program point L926(line 926) the Hoare annotation is: true [2019-10-13 23:18:08,036 INFO L443 ceAbstractionStarter]: For program point L926-1(line 926) no Hoare annotation was computed. [2019-10-13 23:18:08,036 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 920 948) the Hoare annotation is: true [2019-10-13 23:18:08,036 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 920 948) no Hoare annotation was computed. [2019-10-13 23:18:08,036 INFO L439 ceAbstractionStarter]: At program point L935(line 935) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:18:08,036 INFO L443 ceAbstractionStarter]: For program point L933(lines 933 939) no Hoare annotation was computed. [2019-10-13 23:18:08,036 INFO L443 ceAbstractionStarter]: For program point L932(lines 932 942) no Hoare annotation was computed. [2019-10-13 23:18:08,037 INFO L446 ceAbstractionStarter]: At program point L930(line 930) the Hoare annotation is: true [2019-10-13 23:18:08,037 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 511 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:08,037 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 511 533) no Hoare annotation was computed. [2019-10-13 23:18:08,037 INFO L439 ceAbstractionStarter]: At program point L523(line 523) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:18:08,037 INFO L439 ceAbstractionStarter]: At program point L523-1(line 523) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:18:08,037 INFO L443 ceAbstractionStarter]: For program point L521(lines 521 528) no Hoare annotation was computed. [2019-10-13 23:18:08,038 INFO L443 ceAbstractionStarter]: For program point L521-1(lines 521 528) no Hoare annotation was computed. [2019-10-13 23:18:08,038 INFO L443 ceAbstractionStarter]: For program point L519(line 519) no Hoare annotation was computed. [2019-10-13 23:18:08,038 INFO L439 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:08,038 INFO L439 ceAbstractionStarter]: At program point L517(line 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:08,038 INFO L439 ceAbstractionStarter]: At program point L517-1(line 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:08,038 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-13 23:18:08,038 INFO L443 ceAbstractionStarter]: For program point L480(line 480) no Hoare annotation was computed. [2019-10-13 23:18:08,039 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 465 488) no Hoare annotation was computed. [2019-10-13 23:18:08,039 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-13 23:18:08,039 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-13 23:18:08,039 INFO L443 ceAbstractionStarter]: For program point L477(line 477) no Hoare annotation was computed. [2019-10-13 23:18:08,039 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 465 488) no Hoare annotation was computed. [2019-10-13 23:18:08,039 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-13 23:18:08,039 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 465 488) no Hoare annotation was computed. [2019-10-13 23:18:08,039 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-13 23:18:08,040 INFO L443 ceAbstractionStarter]: For program point L474(line 474) no Hoare annotation was computed. [2019-10-13 23:18:08,040 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-13 23:18:08,040 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-13 23:18:08,040 INFO L443 ceAbstractionStarter]: For program point L471(line 471) no Hoare annotation was computed. [2019-10-13 23:18:08,040 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-13 23:18:08,040 INFO L443 ceAbstractionStarter]: For program point L483(line 483) no Hoare annotation was computed. [2019-10-13 23:18:08,040 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-13 23:18:08,040 INFO L439 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:18:08,040 INFO L443 ceAbstractionStarter]: For program point L188-1(lines 169 193) no Hoare annotation was computed. [2019-10-13 23:18:08,041 INFO L439 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:18:08,041 INFO L439 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:18:08,041 INFO L443 ceAbstractionStarter]: For program point L177(lines 177 185) no Hoare annotation was computed. [2019-10-13 23:18:08,041 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 169 193) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:18:08,041 INFO L439 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:18:08,041 INFO L443 ceAbstractionStarter]: For program point L175-1(line 175) no Hoare annotation was computed. [2019-10-13 23:18:08,042 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 190) no Hoare annotation was computed. [2019-10-13 23:18:08,042 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 169 193) no Hoare annotation was computed. [2019-10-13 23:18:08,042 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 328 342) no Hoare annotation was computed. [2019-10-13 23:18:08,042 INFO L439 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:18:08,042 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 338) no Hoare annotation was computed. [2019-10-13 23:18:08,042 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 328 342) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))))) [2019-10-13 23:18:08,043 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 264 272) no Hoare annotation was computed. [2019-10-13 23:18:08,043 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 264 272) the Hoare annotation is: true [2019-10-13 23:18:08,043 INFO L446 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: true [2019-10-13 23:18:08,043 INFO L443 ceAbstractionStarter]: For program point L316-1(line 316) no Hoare annotation was computed. [2019-10-13 23:18:08,043 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 309 327) the Hoare annotation is: true [2019-10-13 23:18:08,043 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 309 327) no Hoare annotation was computed. [2019-10-13 23:18:08,043 INFO L443 ceAbstractionStarter]: For program point L303(line 303) no Hoare annotation was computed. [2019-10-13 23:18:08,043 INFO L443 ceAbstractionStarter]: For program point L303-1(line 303) no Hoare annotation was computed. [2019-10-13 23:18:08,043 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 273 308) no Hoare annotation was computed. [2019-10-13 23:18:08,043 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 273 308) no Hoare annotation was computed. [2019-10-13 23:18:08,043 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 961 967) no Hoare annotation was computed. [2019-10-13 23:18:08,044 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 961 967) the Hoare annotation is: true [2019-10-13 23:18:08,044 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 541 586) no Hoare annotation was computed. [2019-10-13 23:18:08,044 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 541 586) no Hoare annotation was computed. [2019-10-13 23:18:08,044 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 854 899) no Hoare annotation was computed. [2019-10-13 23:18:08,044 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 854 899) no Hoare annotation was computed. [2019-10-13 23:18:08,044 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 497 507) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:08,044 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 497 507) no Hoare annotation was computed. [2019-10-13 23:18:08,044 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 497 507) no Hoare annotation was computed. [2019-10-13 23:18:08,044 INFO L439 ceAbstractionStarter]: At program point L502(line 502) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:08,044 INFO L443 ceAbstractionStarter]: For program point L258-1(line 258) no Hoare annotation was computed. [2019-10-13 23:18:08,044 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 253 263) the Hoare annotation is: true [2019-10-13 23:18:08,044 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 253 263) no Hoare annotation was computed. [2019-10-13 23:18:08,045 INFO L446 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: true [2019-10-13 23:18:08,045 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 245 252) the Hoare annotation is: true [2019-10-13 23:18:08,045 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2019-10-13 23:18:08,045 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 195 219) no Hoare annotation was computed. [2019-10-13 23:18:08,045 INFO L439 ceAbstractionStarter]: At program point L214(line 214) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:18:08,045 INFO L443 ceAbstractionStarter]: For program point L214-1(lines 195 219) no Hoare annotation was computed. [2019-10-13 23:18:08,045 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 195 219) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:18:08,045 INFO L439 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:18:08,045 INFO L439 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:18:08,045 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 211) no Hoare annotation was computed. [2019-10-13 23:18:08,046 INFO L439 ceAbstractionStarter]: At program point L201(line 201) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:18:08,046 INFO L443 ceAbstractionStarter]: For program point L201-1(line 201) no Hoare annotation was computed. [2019-10-13 23:18:08,046 INFO L443 ceAbstractionStarter]: For program point L199(lines 199 216) no Hoare annotation was computed. [2019-10-13 23:18:08,046 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 161 167) no Hoare annotation was computed. [2019-10-13 23:18:08,046 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 161 167) the Hoare annotation is: true [2019-10-13 23:18:08,046 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 54 119) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:08,046 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2019-10-13 23:18:08,047 INFO L439 ceAbstractionStarter]: At program point L112(lines 63 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:08,047 INFO L439 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:08,047 INFO L443 ceAbstractionStarter]: For program point L100(lines 100 106) no Hoare annotation was computed. [2019-10-13 23:18:08,047 INFO L439 ceAbstractionStarter]: At program point L100-1(lines 94 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:08,047 INFO L443 ceAbstractionStarter]: For program point L65(lines 64 111) no Hoare annotation was computed. [2019-10-13 23:18:08,047 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 107) no Hoare annotation was computed. [2019-10-13 23:18:08,048 INFO L439 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:08,048 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 90) no Hoare annotation was computed. [2019-10-13 23:18:08,048 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2019-10-13 23:18:08,048 INFO L439 ceAbstractionStarter]: At program point L109(lines 64 111) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:08,048 INFO L439 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:18:08,048 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2019-10-13 23:18:08,048 INFO L443 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2019-10-13 23:18:08,049 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2019-10-13 23:18:08,049 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 808 853) no Hoare annotation was computed. [2019-10-13 23:18:08,049 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 808 853) no Hoare annotation was computed. [2019-10-13 23:18:08,049 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 220 227) no Hoare annotation was computed. [2019-10-13 23:18:08,049 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 220 227) no Hoare annotation was computed. [2019-10-13 23:18:08,049 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 424 432) the Hoare annotation is: true [2019-10-13 23:18:08,049 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 424 432) no Hoare annotation was computed. [2019-10-13 23:18:08,049 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 392 414) no Hoare annotation was computed. [2019-10-13 23:18:08,050 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 392 414) no Hoare annotation was computed. [2019-10-13 23:18:08,050 INFO L443 ceAbstractionStarter]: For program point L770-1(line 770) no Hoare annotation was computed. [2019-10-13 23:18:08,050 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 705 807) no Hoare annotation was computed. [2019-10-13 23:18:08,050 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2019-10-13 23:18:08,050 INFO L443 ceAbstractionStarter]: For program point L754-2(lines 754 774) no Hoare annotation was computed. [2019-10-13 23:18:08,050 INFO L443 ceAbstractionStarter]: For program point L775(lines 753 776) no Hoare annotation was computed. [2019-10-13 23:18:08,050 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 705 807) no Hoare annotation was computed. [2019-10-13 23:18:08,050 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 750) no Hoare annotation was computed. [2019-10-13 23:18:08,051 INFO L443 ceAbstractionStarter]: For program point L755(lines 754 774) no Hoare annotation was computed. [2019-10-13 23:18:08,051 INFO L443 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2019-10-13 23:18:08,051 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 705 807) no Hoare annotation was computed. [2019-10-13 23:18:08,051 INFO L443 ceAbstractionStarter]: For program point L786-1(line 786) no Hoare annotation was computed. [2019-10-13 23:18:08,051 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 792) no Hoare annotation was computed. [2019-10-13 23:18:08,051 INFO L443 ceAbstractionStarter]: For program point L770(line 770) no Hoare annotation was computed. [2019-10-13 23:18:08,051 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 951 960) no Hoare annotation was computed. [2019-10-13 23:18:08,051 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 951 960) no Hoare annotation was computed. [2019-10-13 23:18:08,052 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:18:08,052 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:18:08,052 INFO L443 ceAbstractionStarter]: For program point L239(line 239) no Hoare annotation was computed. [2019-10-13 23:18:08,052 INFO L443 ceAbstractionStarter]: For program point L239-1(lines 228 244) no Hoare annotation was computed. [2019-10-13 23:18:08,052 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 228 244) no Hoare annotation was computed. [2019-10-13 23:18:08,052 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 241) no Hoare annotation was computed. [2019-10-13 23:18:08,052 INFO L443 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2019-10-13 23:18:08,053 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 228 244) no Hoare annotation was computed. [2019-10-13 23:18:08,053 INFO L443 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2019-10-13 23:18:08,053 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 415 423) the Hoare annotation is: true [2019-10-13 23:18:08,053 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 415 423) no Hoare annotation was computed. [2019-10-13 23:18:08,053 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 371 382) the Hoare annotation is: true [2019-10-13 23:18:08,053 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 371 382) no Hoare annotation was computed. [2019-10-13 23:18:08,053 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:18:08,053 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:18:08,054 INFO L439 ceAbstractionStarter]: At program point L150(line 150) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-13 23:18:08,054 INFO L439 ceAbstractionStarter]: At program point L148(lines 148 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:18:08,054 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 134 160) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:18:08,054 INFO L439 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:18:08,054 INFO L443 ceAbstractionStarter]: For program point L141(lines 137 159) no Hoare annotation was computed. [2019-10-13 23:18:08,054 INFO L443 ceAbstractionStarter]: For program point L139(lines 137 159) no Hoare annotation was computed. [2019-10-13 23:18:08,054 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 134 160) no Hoare annotation was computed. [2019-10-13 23:18:08,055 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 134 160) no Hoare annotation was computed. [2019-10-13 23:18:08,055 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 453) no Hoare annotation was computed. [2019-10-13 23:18:08,055 INFO L446 ceAbstractionStarter]: At program point L449-1(lines 449 453) the Hoare annotation is: true [2019-10-13 23:18:08,055 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 435 464) no Hoare annotation was computed. [2019-10-13 23:18:08,055 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 435 464) the Hoare annotation is: true [2019-10-13 23:18:08,055 INFO L446 ceAbstractionStarter]: At program point L445-2(lines 445 459) the Hoare annotation is: true [2019-10-13 23:18:08,055 INFO L446 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: true [2019-10-13 23:18:08,055 INFO L443 ceAbstractionStarter]: For program point L441-1(line 441) no Hoare annotation was computed. [2019-10-13 23:18:08,056 INFO L446 ceAbstractionStarter]: At program point L460(lines 435 464) the Hoare annotation is: true [2019-10-13 23:18:08,056 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-10-13 23:18:08,056 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 383 391) the Hoare annotation is: true [2019-10-13 23:18:08,056 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 383 391) no Hoare annotation was computed. [2019-10-13 23:18:08,056 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 347 358) the Hoare annotation is: true [2019-10-13 23:18:08,056 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 347 358) no Hoare annotation was computed. [2019-10-13 23:18:08,056 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 489 495) no Hoare annotation was computed. [2019-10-13 23:18:08,056 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 489 495) the Hoare annotation is: true [2019-10-13 23:18:08,057 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:18:08,057 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-13 23:18:08,057 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:18:08,057 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:18:08,057 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 359 370) no Hoare annotation was computed. [2019-10-13 23:18:08,057 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 359 370) the Hoare annotation is: true [2019-10-13 23:18:08,057 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 23:18:08,058 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 23:18:08,058 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 23:18:08,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:18:08 BoogieIcfgContainer [2019-10-13 23:18:08,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:18:08,074 INFO L168 Benchmark]: Toolchain (without parser) took 5289.74 ms. Allocated memory was 138.9 MB in the beginning and 280.5 MB in the end (delta: 141.6 MB). Free memory was 101.2 MB in the beginning and 235.9 MB in the end (delta: -134.7 MB). Peak memory consumption was 112.5 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:08,075 INFO L168 Benchmark]: CDTParser took 1.19 ms. Allocated memory is still 138.9 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 23:18:08,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.59 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 101.0 MB in the beginning and 172.7 MB in the end (delta: -71.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:08,077 INFO L168 Benchmark]: Boogie Preprocessor took 84.25 ms. Allocated memory is still 204.5 MB. Free memory was 172.7 MB in the beginning and 168.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:08,078 INFO L168 Benchmark]: RCFGBuilder took 1618.44 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 168.0 MB in the beginning and 147.9 MB in the end (delta: 20.0 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:08,079 INFO L168 Benchmark]: TraceAbstraction took 2894.96 ms. Allocated memory was 234.9 MB in the beginning and 280.5 MB in the end (delta: 45.6 MB). Free memory was 147.9 MB in the beginning and 235.9 MB in the end (delta: -88.0 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:08,083 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19 ms. Allocated memory is still 138.9 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 687.59 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 101.0 MB in the beginning and 172.7 MB in the end (delta: -71.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.25 ms. Allocated memory is still 204.5 MB. Free memory was 172.7 MB in the beginning and 168.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1618.44 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 168.0 MB in the beginning and 147.9 MB in the end (delta: 20.0 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2894.96 ms. Allocated memory was 234.9 MB in the beginning and 280.5 MB in the end (delta: 45.6 MB). Free memory was 147.9 MB in the beginning and 235.9 MB in the end (delta: -88.0 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 518 SDtfs, 292 SDslu, 762 SDs, 0 SdLazy, 398 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=238occurred in iteration=3, 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, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 347 PreInvPairs, 370 NumberOfFragments, 444 HoareAnnotationTreeSize, 347 FomulaSimplifications, 152 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 63 FomulaSimplificationsInter, 942 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 20328 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...