java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:15,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:15,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:15,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:15,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:15,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:15,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:15,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:15,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:15,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:15,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:15,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:15,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:15,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:15,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:15,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:15,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:15,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:15,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:15,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:15,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:15,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:15,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:15,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:15,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:15,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:15,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:15,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:15,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:15,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:15,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:15,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:15,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:15,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:15,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:15,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:15,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:15,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:15,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:15,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:15,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:15,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:22:15,713 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:15,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:15,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:15,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:15,723 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:15,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:15,723 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:15,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:15,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:15,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:15,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:15,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:15,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:15,727 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:15,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:15,727 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:15,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:15,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:15,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:15,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:15,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:15,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:15,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:15,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:15,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:15,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:15,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:15,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:15,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:22:16,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:16,021 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:16,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:16,026 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:16,026 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:16,027 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c [2019-10-13 21:22:16,104 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a678845ba/95d383dfac774000a13bad9f523fbee9/FLAG38769436f [2019-10-13 21:22:16,664 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:16,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c [2019-10-13 21:22:16,678 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a678845ba/95d383dfac774000a13bad9f523fbee9/FLAG38769436f [2019-10-13 21:22:16,964 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a678845ba/95d383dfac774000a13bad9f523fbee9 [2019-10-13 21:22:16,973 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:16,974 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:16,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:16,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:16,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:16,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:16" (1/1) ... [2019-10-13 21:22:16,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4626f4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:16, skipping insertion in model container [2019-10-13 21:22:16,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:16" (1/1) ... [2019-10-13 21:22:16,991 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:17,034 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:17,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:17,516 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:17,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:17,676 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:17,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:17 WrapperNode [2019-10-13 21:22:17,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:17,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:17,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:17,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:17,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:17" (1/1) ... [2019-10-13 21:22:17,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:17" (1/1) ... [2019-10-13 21:22:17,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:17" (1/1) ... [2019-10-13 21:22:17,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:17" (1/1) ... [2019-10-13 21:22:17,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:17" (1/1) ... [2019-10-13 21:22:17,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:17" (1/1) ... [2019-10-13 21:22:17,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:17" (1/1) ... [2019-10-13 21:22:17,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:17,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:17,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:17,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:17,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:22:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:22:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:22:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:22:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:18,882 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:18,883 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:18,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:18 BoogieIcfgContainer [2019-10-13 21:22:18,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:18,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:18,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:18,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:18,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:16" (1/3) ... [2019-10-13 21:22:18,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54404f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:18, skipping insertion in model container [2019-10-13 21:22:18,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:17" (2/3) ... [2019-10-13 21:22:18,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54404f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:18, skipping insertion in model container [2019-10-13 21:22:18,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:18" (3/3) ... [2019-10-13 21:22:18,894 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product04.cil.c [2019-10-13 21:22:18,904 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:18,913 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:18,926 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:18,965 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:18,965 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:18,966 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:18,966 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:18,966 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:18,966 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:18,966 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:18,967 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:18,994 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2019-10-13 21:22:19,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:19,003 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:19,004 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:19,006 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:19,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:19,012 INFO L82 PathProgramCache]: Analyzing trace with hash 765786489, now seen corresponding path program 1 times [2019-10-13 21:22:19,022 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:19,023 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112902260] [2019-10-13 21:22:19,023 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:19,023 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:19,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:19,412 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:19,413 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112902260] [2019-10-13 21:22:19,414 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:19,415 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:19,415 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370657148] [2019-10-13 21:22:19,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:19,424 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:19,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:19,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:19,443 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2019-10-13 21:22:19,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:19,516 INFO L93 Difference]: Finished difference Result 204 states and 253 transitions. [2019-10-13 21:22:19,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:19,518 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:19,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:19,538 INFO L225 Difference]: With dead ends: 204 [2019-10-13 21:22:19,538 INFO L226 Difference]: Without dead ends: 104 [2019-10-13 21:22:19,543 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:19,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-10-13 21:22:19,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-10-13 21:22:19,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-10-13 21:22:19,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2019-10-13 21:22:19,640 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 59 [2019-10-13 21:22:19,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:19,641 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2019-10-13 21:22:19,641 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:19,642 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2019-10-13 21:22:19,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:22:19,651 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:19,652 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:19,652 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:19,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:19,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1248196221, now seen corresponding path program 1 times [2019-10-13 21:22:19,654 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:19,655 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719270728] [2019-10-13 21:22:19,655 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:19,656 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:19,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:19,840 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:19,841 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719270728] [2019-10-13 21:22:19,841 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:19,842 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:19,842 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372367952] [2019-10-13 21:22:19,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:19,844 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:19,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:19,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:19,845 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 3 states. [2019-10-13 21:22:19,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:19,864 INFO L93 Difference]: Finished difference Result 140 states and 161 transitions. [2019-10-13 21:22:19,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:19,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:22:19,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:19,867 INFO L225 Difference]: With dead ends: 140 [2019-10-13 21:22:19,868 INFO L226 Difference]: Without dead ends: 95 [2019-10-13 21:22:19,869 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:19,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-13 21:22:19,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-10-13 21:22:19,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-10-13 21:22:19,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2019-10-13 21:22:19,882 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 60 [2019-10-13 21:22:19,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:19,883 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2019-10-13 21:22:19,883 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:19,883 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2019-10-13 21:22:19,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 21:22:19,885 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:19,885 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:19,886 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:19,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:19,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1685147273, now seen corresponding path program 1 times [2019-10-13 21:22:19,886 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:19,887 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951508042] [2019-10-13 21:22:19,887 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:19,887 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:19,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:20,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:20,102 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951508042] [2019-10-13 21:22:20,103 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:20,104 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:20,104 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175777077] [2019-10-13 21:22:20,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:20,105 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:20,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:20,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:20,106 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 7 states. [2019-10-13 21:22:20,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:20,472 INFO L93 Difference]: Finished difference Result 285 states and 344 transitions. [2019-10-13 21:22:20,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:20,473 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-13 21:22:20,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:20,477 INFO L225 Difference]: With dead ends: 285 [2019-10-13 21:22:20,477 INFO L226 Difference]: Without dead ends: 218 [2019-10-13 21:22:20,479 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:20,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-10-13 21:22:20,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 194. [2019-10-13 21:22:20,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-10-13 21:22:20,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 232 transitions. [2019-10-13 21:22:20,557 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 232 transitions. Word has length 65 [2019-10-13 21:22:20,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:20,557 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 232 transitions. [2019-10-13 21:22:20,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:20,558 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 232 transitions. [2019-10-13 21:22:20,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-13 21:22:20,560 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:20,560 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:20,561 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:20,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:20,561 INFO L82 PathProgramCache]: Analyzing trace with hash 173694809, now seen corresponding path program 1 times [2019-10-13 21:22:20,561 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:20,562 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727575549] [2019-10-13 21:22:20,562 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:20,562 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:20,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:20,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:20,666 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727575549] [2019-10-13 21:22:20,666 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:20,666 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:20,666 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796783904] [2019-10-13 21:22:20,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:20,667 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:20,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:20,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:20,668 INFO L87 Difference]: Start difference. First operand 194 states and 232 transitions. Second operand 6 states. [2019-10-13 21:22:20,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:20,832 INFO L93 Difference]: Finished difference Result 344 states and 423 transitions. [2019-10-13 21:22:20,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:20,833 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2019-10-13 21:22:20,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:20,834 INFO L225 Difference]: With dead ends: 344 [2019-10-13 21:22:20,834 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:20,839 INFO L600 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 [2019-10-13 21:22:20,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:20,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:20,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:20,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:20,843 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2019-10-13 21:22:20,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:20,843 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:20,843 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:20,844 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:20,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:20,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:21,304 INFO L443 ceAbstractionStarter]: For program point L384(line 384) no Hoare annotation was computed. [2019-10-13 21:22:21,305 INFO L443 ceAbstractionStarter]: For program point L383-2(lines 383 404) no Hoare annotation was computed. [2019-10-13 21:22:21,305 INFO L443 ceAbstractionStarter]: For program point L405(lines 382 406) no Hoare annotation was computed. [2019-10-13 21:22:21,305 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 358 413) no Hoare annotation was computed. [2019-10-13 21:22:21,305 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 358 413) no Hoare annotation was computed. [2019-10-13 21:22:21,305 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 393) no Hoare annotation was computed. [2019-10-13 21:22:21,305 INFO L443 ceAbstractionStarter]: For program point L389-1(lines 389 393) no Hoare annotation was computed. [2019-10-13 21:22:21,305 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 358 413) no Hoare annotation was computed. [2019-10-13 21:22:21,306 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 450) no Hoare annotation was computed. [2019-10-13 21:22:21,306 INFO L443 ceAbstractionStarter]: For program point L446-1(lines 446 450) no Hoare annotation was computed. [2019-10-13 21:22:21,306 INFO L443 ceAbstractionStarter]: For program point L441(line 441) no Hoare annotation was computed. [2019-10-13 21:22:21,306 INFO L443 ceAbstractionStarter]: For program point L440-2(lines 440 465) no Hoare annotation was computed. [2019-10-13 21:22:21,306 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 414 473) no Hoare annotation was computed. [2019-10-13 21:22:21,307 INFO L443 ceAbstractionStarter]: For program point L466(lines 439 467) no Hoare annotation was computed. [2019-10-13 21:22:21,307 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 414 473) no Hoare annotation was computed. [2019-10-13 21:22:21,307 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-10-13 21:22:21,307 INFO L443 ceAbstractionStarter]: For program point L459-1(line 459) no Hoare annotation was computed. [2019-10-13 21:22:21,307 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 414 473) no Hoare annotation was computed. [2019-10-13 21:22:21,308 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 879 885) the Hoare annotation is: true [2019-10-13 21:22:21,308 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 879 885) no Hoare annotation was computed. [2019-10-13 21:22:21,308 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 886 894) no Hoare annotation was computed. [2019-10-13 21:22:21,308 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 886 894) the Hoare annotation is: true [2019-10-13 21:22:21,308 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 886 894) no Hoare annotation was computed. [2019-10-13 21:22:21,308 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-10-13 21:22:21,308 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-10-13 21:22:21,309 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2019-10-13 21:22:21,309 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2019-10-13 21:22:21,309 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2019-10-13 21:22:21,309 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-10-13 21:22:21,309 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2019-10-13 21:22:21,309 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2019-10-13 21:22:21,310 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 21:22:21,310 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2019-10-13 21:22:21,310 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-13 21:22:21,310 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-10-13 21:22:21,310 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-10-13 21:22:21,310 INFO L443 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2019-10-13 21:22:21,311 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-10-13 21:22:21,312 INFO L443 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2019-10-13 21:22:21,312 INFO L446 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2019-10-13 21:22:21,312 INFO L443 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2019-10-13 21:22:21,312 INFO L439 ceAbstractionStarter]: At program point L834-1(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 21:22:21,313 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 828 850) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 21:22:21,313 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 828 850) no Hoare annotation was computed. [2019-10-13 21:22:21,313 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 828 850) no Hoare annotation was computed. [2019-10-13 21:22:21,313 INFO L439 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 21:22:21,315 INFO L439 ceAbstractionStarter]: At program point L840-1(line 840) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 21:22:21,315 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 845) no Hoare annotation was computed. [2019-10-13 21:22:21,315 INFO L443 ceAbstractionStarter]: For program point L838-1(lines 838 845) no Hoare annotation was computed. [2019-10-13 21:22:21,315 INFO L443 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2019-10-13 21:22:21,315 INFO L439 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 21:22:21,315 INFO L439 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 21:22:21,316 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-13 21:22:21,316 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-10-13 21:22:21,317 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 783 806) no Hoare annotation was computed. [2019-10-13 21:22:21,317 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-10-13 21:22:21,317 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-13 21:22:21,317 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-10-13 21:22:21,317 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 783 806) no Hoare annotation was computed. [2019-10-13 21:22:21,318 INFO L443 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2019-10-13 21:22:21,318 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 783 806) no Hoare annotation was computed. [2019-10-13 21:22:21,318 INFO L443 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2019-10-13 21:22:21,318 INFO L443 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-10-13 21:22:21,318 INFO L443 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2019-10-13 21:22:21,318 INFO L443 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2019-10-13 21:22:21,319 INFO L443 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2019-10-13 21:22:21,319 INFO L443 ceAbstractionStarter]: For program point L790(line 790) no Hoare annotation was computed. [2019-10-13 21:22:21,319 INFO L443 ceAbstractionStarter]: For program point L789(line 789) no Hoare annotation was computed. [2019-10-13 21:22:21,319 INFO L443 ceAbstractionStarter]: For program point L788(line 788) no Hoare annotation was computed. [2019-10-13 21:22:21,319 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 282 296) no Hoare annotation was computed. [2019-10-13 21:22:21,319 INFO L439 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 21:22:21,320 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 292) no Hoare annotation was computed. [2019-10-13 21:22:21,320 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 282 296) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 21:22:21,320 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 282 296) no Hoare annotation was computed. [2019-10-13 21:22:21,320 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 237 245) no Hoare annotation was computed. [2019-10-13 21:22:21,320 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 237 245) the Hoare annotation is: true [2019-10-13 21:22:21,320 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 237 245) no Hoare annotation was computed. [2019-10-13 21:22:21,321 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 261) no Hoare annotation was computed. [2019-10-13 21:22:21,321 INFO L443 ceAbstractionStarter]: For program point L253-2(lines 253 261) no Hoare annotation was computed. [2019-10-13 21:22:21,321 INFO L443 ceAbstractionStarter]: For program point L276(line 276) no Hoare annotation was computed. [2019-10-13 21:22:21,321 INFO L443 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2019-10-13 21:22:21,321 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 246 281) no Hoare annotation was computed. [2019-10-13 21:22:21,321 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 273) no Hoare annotation was computed. [2019-10-13 21:22:21,321 INFO L443 ceAbstractionStarter]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2019-10-13 21:22:21,322 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 246 281) no Hoare annotation was computed. [2019-10-13 21:22:21,322 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 246 281) no Hoare annotation was computed. [2019-10-13 21:22:21,322 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 872 878) no Hoare annotation was computed. [2019-10-13 21:22:21,322 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 872 878) the Hoare annotation is: true [2019-10-13 21:22:21,322 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 312 357) no Hoare annotation was computed. [2019-10-13 21:22:21,322 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 312 357) no Hoare annotation was computed. [2019-10-13 21:22:21,322 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 312 357) no Hoare annotation was computed. [2019-10-13 21:22:21,323 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 659) no Hoare annotation was computed. [2019-10-13 21:22:21,323 INFO L443 ceAbstractionStarter]: For program point L639-1(lines 639 659) no Hoare annotation was computed. [2019-10-13 21:22:21,323 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 625 670) no Hoare annotation was computed. [2019-10-13 21:22:21,323 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 625 670) no Hoare annotation was computed. [2019-10-13 21:22:21,323 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 625 670) no Hoare annotation was computed. [2019-10-13 21:22:21,323 INFO L443 ceAbstractionStarter]: For program point L645(lines 645 652) no Hoare annotation was computed. [2019-10-13 21:22:21,324 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 814 824) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 21:22:21,324 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 814 824) no Hoare annotation was computed. [2019-10-13 21:22:21,324 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 814 824) no Hoare annotation was computed. [2019-10-13 21:22:21,324 INFO L439 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 21:22:21,324 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 226 236) no Hoare annotation was computed. [2019-10-13 21:22:21,324 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 226 236) no Hoare annotation was computed. [2019-10-13 21:22:21,325 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-10-13 21:22:21,325 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 226 236) no Hoare annotation was computed. [2019-10-13 21:22:21,325 INFO L443 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2019-10-13 21:22:21,325 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 218 225) the Hoare annotation is: true [2019-10-13 21:22:21,325 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 218 225) no Hoare annotation was computed. [2019-10-13 21:22:21,325 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 218 225) no Hoare annotation was computed. [2019-10-13 21:22:21,325 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 203 209) no Hoare annotation was computed. [2019-10-13 21:22:21,326 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 203 209) the Hoare annotation is: true [2019-10-13 21:22:21,326 INFO L443 ceAbstractionStarter]: For program point L128(lines 128 134) no Hoare annotation was computed. [2019-10-13 21:22:21,326 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 98 165) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 21:22:21,326 INFO L443 ceAbstractionStarter]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2019-10-13 21:22:21,326 INFO L439 ceAbstractionStarter]: At program point L155(lines 108 157) 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 21:22:21,327 INFO L439 ceAbstractionStarter]: At program point L120(line 120) 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 21:22:21,327 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 98 165) no Hoare annotation was computed. [2019-10-13 21:22:21,327 INFO L443 ceAbstractionStarter]: For program point L118(lines 118 124) no Hoare annotation was computed. [2019-10-13 21:22:21,327 INFO L443 ceAbstractionStarter]: For program point L118-1(lines 118 124) no Hoare annotation was computed. [2019-10-13 21:22:21,332 INFO L443 ceAbstractionStarter]: For program point L110(lines 110 114) no Hoare annotation was computed. [2019-10-13 21:22:21,332 INFO L439 ceAbstractionStarter]: At program point L158(lines 107 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 21:22:21,332 INFO L439 ceAbstractionStarter]: At program point L148(line 148) 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 21:22:21,332 INFO L443 ceAbstractionStarter]: For program point L146(lines 146 152) no Hoare annotation was computed. [2019-10-13 21:22:21,333 INFO L439 ceAbstractionStarter]: At program point L146-1(lines 138 153) 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 21:22:21,333 INFO L443 ceAbstractionStarter]: For program point L109(lines 108 157) no Hoare annotation was computed. [2019-10-13 21:22:21,333 INFO L439 ceAbstractionStarter]: At program point L140(line 140) 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 21:22:21,333 INFO L443 ceAbstractionStarter]: For program point L138(lines 138 153) no Hoare annotation was computed. [2019-10-13 21:22:21,335 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 98 165) no Hoare annotation was computed. [2019-10-13 21:22:21,336 INFO L439 ceAbstractionStarter]: At program point L130(line 130) 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 21:22:21,336 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 579 624) no Hoare annotation was computed. [2019-10-13 21:22:21,336 INFO L443 ceAbstractionStarter]: For program point L599(lines 599 606) no Hoare annotation was computed. [2019-10-13 21:22:21,337 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 579 624) no Hoare annotation was computed. [2019-10-13 21:22:21,337 INFO L443 ceAbstractionStarter]: For program point L593(lines 593 613) no Hoare annotation was computed. [2019-10-13 21:22:21,337 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 579 624) no Hoare annotation was computed. [2019-10-13 21:22:21,337 INFO L443 ceAbstractionStarter]: For program point L593-1(lines 593 613) no Hoare annotation was computed. [2019-10-13 21:22:21,337 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 719 741) no Hoare annotation was computed. [2019-10-13 21:22:21,337 INFO L443 ceAbstractionStarter]: For program point L727(lines 727 735) no Hoare annotation was computed. [2019-10-13 21:22:21,337 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 719 741) no Hoare annotation was computed. [2019-10-13 21:22:21,338 INFO L443 ceAbstractionStarter]: For program point L727-2(lines 727 735) no Hoare annotation was computed. [2019-10-13 21:22:21,338 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 719 741) no Hoare annotation was computed. [2019-10-13 21:22:21,338 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 476 578) no Hoare annotation was computed. [2019-10-13 21:22:21,338 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-13 21:22:21,338 INFO L443 ceAbstractionStarter]: For program point L541-1(line 541) no Hoare annotation was computed. [2019-10-13 21:22:21,338 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 504) no Hoare annotation was computed. [2019-10-13 21:22:21,338 INFO L443 ceAbstractionStarter]: For program point L564(lines 564 575) no Hoare annotation was computed. [2019-10-13 21:22:21,338 INFO L443 ceAbstractionStarter]: For program point L527(lines 527 531) no Hoare annotation was computed. [2019-10-13 21:22:21,339 INFO L443 ceAbstractionStarter]: For program point L525-2(lines 525 545) no Hoare annotation was computed. [2019-10-13 21:22:21,339 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 476 578) no Hoare annotation was computed. [2019-10-13 21:22:21,339 INFO L443 ceAbstractionStarter]: For program point L546(lines 524 547) no Hoare annotation was computed. [2019-10-13 21:22:21,339 INFO L443 ceAbstractionStarter]: For program point L505(lines 505 521) no Hoare annotation was computed. [2019-10-13 21:22:21,339 INFO L443 ceAbstractionStarter]: For program point L565(lines 565 572) no Hoare annotation was computed. [2019-10-13 21:22:21,339 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 476 578) no Hoare annotation was computed. [2019-10-13 21:22:21,339 INFO L443 ceAbstractionStarter]: For program point L526(lines 525 545) no Hoare annotation was computed. [2019-10-13 21:22:21,339 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-13 21:22:21,340 INFO L443 ceAbstractionStarter]: For program point L557-1(line 557) no Hoare annotation was computed. [2019-10-13 21:22:21,340 INFO L443 ceAbstractionStarter]: For program point L522(lines 522 563) no Hoare annotation was computed. [2019-10-13 21:22:21,340 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 862 871) no Hoare annotation was computed. [2019-10-13 21:22:21,340 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 862 871) no Hoare annotation was computed. [2019-10-13 21:22:21,340 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 862 871) no Hoare annotation was computed. [2019-10-13 21:22:21,340 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:21,340 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:21,341 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:21,341 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 210 217) no Hoare annotation was computed. [2019-10-13 21:22:21,341 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 210 217) no Hoare annotation was computed. [2019-10-13 21:22:21,341 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 210 217) no Hoare annotation was computed. [2019-10-13 21:22:21,341 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 742 750) the Hoare annotation is: true [2019-10-13 21:22:21,341 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 742 750) no Hoare annotation was computed. [2019-10-13 21:22:21,341 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 742 750) no Hoare annotation was computed. [2019-10-13 21:22:21,341 INFO L443 ceAbstractionStarter]: For program point L702-1(lines 698 709) no Hoare annotation was computed. [2019-10-13 21:22:21,342 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 698 709) the Hoare annotation is: true [2019-10-13 21:22:21,342 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 698 709) no Hoare annotation was computed. [2019-10-13 21:22:21,342 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:21,342 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:21,342 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:21,342 INFO L439 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 0 ~systemActive~0))) [2019-10-13 21:22:21,342 INFO L446 ceAbstractionStarter]: At program point L190(lines 190 196) the Hoare annotation is: true [2019-10-13 21:22:21,343 INFO L439 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 21:22:21,343 INFO L443 ceAbstractionStarter]: For program point L183(lines 179 201) no Hoare annotation was computed. [2019-10-13 21:22:21,343 INFO L443 ceAbstractionStarter]: For program point L181(lines 179 201) no Hoare annotation was computed. [2019-10-13 21:22:21,344 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 176 202) the Hoare annotation is: true [2019-10-13 21:22:21,344 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 176 202) no Hoare annotation was computed. [2019-10-13 21:22:21,344 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 176 202) no Hoare annotation was computed. [2019-10-13 21:22:21,344 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 753 782) no Hoare annotation was computed. [2019-10-13 21:22:21,344 INFO L443 ceAbstractionStarter]: For program point L767(lines 767 771) no Hoare annotation was computed. [2019-10-13 21:22:21,344 INFO L446 ceAbstractionStarter]: At program point L767-1(lines 767 771) the Hoare annotation is: true [2019-10-13 21:22:21,344 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 753 782) the Hoare annotation is: true [2019-10-13 21:22:21,345 INFO L443 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2019-10-13 21:22:21,345 INFO L446 ceAbstractionStarter]: At program point L763-2(lines 763 777) the Hoare annotation is: true [2019-10-13 21:22:21,345 INFO L446 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2019-10-13 21:22:21,345 INFO L443 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2019-10-13 21:22:21,345 INFO L446 ceAbstractionStarter]: At program point L778(lines 753 782) the Hoare annotation is: true [2019-10-13 21:22:21,345 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-13 21:22:21,345 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 710 718) no Hoare annotation was computed. [2019-10-13 21:22:21,345 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 710 718) no Hoare annotation was computed. [2019-10-13 21:22:21,346 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 710 718) no Hoare annotation was computed. [2019-10-13 21:22:21,346 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 674 685) the Hoare annotation is: true [2019-10-13 21:22:21,346 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 674 685) no Hoare annotation was computed. [2019-10-13 21:22:21,346 INFO L443 ceAbstractionStarter]: For program point L678-1(lines 674 685) no Hoare annotation was computed. [2019-10-13 21:22:21,346 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 807 813) no Hoare annotation was computed. [2019-10-13 21:22:21,346 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 807 813) the Hoare annotation is: true [2019-10-13 21:22:21,346 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:21,347 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-13 21:22:21,347 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:21,347 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:21,347 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 297 304) no Hoare annotation was computed. [2019-10-13 21:22:21,347 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 297 304) the Hoare annotation is: true [2019-10-13 21:22:21,348 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 297 304) no Hoare annotation was computed. [2019-10-13 21:22:21,348 INFO L443 ceAbstractionStarter]: For program point L690-1(lines 686 697) no Hoare annotation was computed. [2019-10-13 21:22:21,348 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 686 697) no Hoare annotation was computed. [2019-10-13 21:22:21,348 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 686 697) the Hoare annotation is: true [2019-10-13 21:22:21,349 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 852 859) no Hoare annotation was computed. [2019-10-13 21:22:21,349 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 856) no Hoare annotation was computed. [2019-10-13 21:22:21,350 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 852 859) the Hoare annotation is: true [2019-10-13 21:22:21,350 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 852 859) no Hoare annotation was computed. [2019-10-13 21:22:21,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:21 BoogieIcfgContainer [2019-10-13 21:22:21,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:21,369 INFO L168 Benchmark]: Toolchain (without parser) took 4393.23 ms. Allocated memory was 145.8 MB in the beginning and 245.9 MB in the end (delta: 100.1 MB). Free memory was 101.2 MB in the beginning and 103.9 MB in the end (delta: -2.7 MB). Peak memory consumption was 97.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:21,370 INFO L168 Benchmark]: CDTParser took 1.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:21,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.30 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 101.0 MB in the beginning and 171.1 MB in the end (delta: -70.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:21,372 INFO L168 Benchmark]: Boogie Preprocessor took 81.72 ms. Allocated memory is still 203.4 MB. Free memory was 171.1 MB in the beginning and 166.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:21,373 INFO L168 Benchmark]: RCFGBuilder took 1125.96 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 166.6 MB in the beginning and 200.2 MB in the end (delta: -33.7 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:21,374 INFO L168 Benchmark]: TraceAbstraction took 2479.99 ms. Allocated memory was 235.9 MB in the beginning and 245.9 MB in the end (delta: 10.0 MB). Free memory was 198.8 MB in the beginning and 103.9 MB in the end (delta: 94.9 MB). Peak memory consumption was 104.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:21,379 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 701.30 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 101.0 MB in the beginning and 171.1 MB in the end (delta: -70.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.72 ms. Allocated memory is still 203.4 MB. Free memory was 171.1 MB in the beginning and 166.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1125.96 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 166.6 MB in the beginning and 200.2 MB in the end (delta: -33.7 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2479.99 ms. Allocated memory was 235.9 MB in the beginning and 245.9 MB in the end (delta: 10.0 MB). Free memory was 198.8 MB in the beginning and 103.9 MB in the end (delta: 94.9 MB). Peak memory consumption was 104.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 856]: 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: 108]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 214 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 465 SDtfs, 225 SDslu, 795 SDs, 0 SdLazy, 218 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred 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, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 202 PreInvPairs, 224 NumberOfFragments, 318 HoareAnnotationTreeSize, 202 FomulaSimplifications, 129 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 587 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 25622 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...