./Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/loops/trex03_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0210da8c Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i ../../../trunk/examples/svcomp/loops/trex03_true-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b8fb82fd886dd019eb017cf0c82ba4eddc31046 ........................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0210da8 [2018-10-21 12:29:18,627 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-21 12:29:18,630 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-21 12:29:18,641 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-21 12:29:18,642 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-21 12:29:18,643 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-21 12:29:18,644 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-21 12:29:18,646 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-21 12:29:18,647 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-21 12:29:18,648 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-21 12:29:18,649 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-21 12:29:18,649 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-21 12:29:18,650 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-21 12:29:18,651 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-21 12:29:18,652 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-21 12:29:18,653 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-21 12:29:18,654 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-21 12:29:18,656 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-21 12:29:18,658 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-21 12:29:18,660 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-21 12:29:18,661 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-21 12:29:18,662 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-21 12:29:18,665 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-21 12:29:18,665 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-21 12:29:18,669 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-21 12:29:18,670 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-21 12:29:18,671 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-21 12:29:18,672 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-21 12:29:18,676 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-21 12:29:18,679 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-21 12:29:18,679 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-21 12:29:18,680 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-21 12:29:18,680 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-21 12:29:18,681 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-21 12:29:18,682 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-21 12:29:18,682 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-21 12:29:18,686 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-21 12:29:18,714 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-21 12:29:18,716 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-21 12:29:18,717 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-21 12:29:18,718 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-21 12:29:18,718 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-21 12:29:18,718 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-21 12:29:18,718 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-21 12:29:18,718 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-21 12:29:18,718 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-21 12:29:18,719 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-21 12:29:18,720 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-21 12:29:18,721 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-21 12:29:18,723 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-21 12:29:18,723 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-21 12:29:18,723 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-21 12:29:18,723 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-21 12:29:18,723 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-21 12:29:18,723 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-21 12:29:18,724 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-21 12:29:18,724 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-21 12:29:18,724 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-21 12:29:18,724 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-21 12:29:18,724 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-21 12:29:18,724 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-21 12:29:18,727 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-21 12:29:18,728 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-21 12:29:18,728 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-21 12:29:18,728 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-21 12:29:18,728 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-21 12:29:18,728 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-21 12:29:18,729 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-21 12:29:18,729 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-21 12:29:18,729 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-21 12:29:18,729 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-21 12:29:18,729 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b8fb82fd886dd019eb017cf0c82ba4eddc31046 [2018-10-21 12:29:18,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-21 12:29:18,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-21 12:29:18,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-21 12:29:18,825 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-21 12:29:18,825 INFO L276 PluginConnector]: CDTParser initialized [2018-10-21 12:29:18,826 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/trex03_true-unreach-call_true-termination.i [2018-10-21 12:29:18,890 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/02a8fc7ad/41fc32e6c03a45b79fa5ffa8b8fdd8a8/FLAG4dc4783cf [2018-10-21 12:29:19,309 INFO L298 CDTParser]: Found 1 translation units. [2018-10-21 12:29:19,311 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex03_true-unreach-call_true-termination.i [2018-10-21 12:29:19,317 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/02a8fc7ad/41fc32e6c03a45b79fa5ffa8b8fdd8a8/FLAG4dc4783cf [2018-10-21 12:29:19,333 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/02a8fc7ad/41fc32e6c03a45b79fa5ffa8b8fdd8a8 [2018-10-21 12:29:19,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-21 12:29:19,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-21 12:29:19,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-21 12:29:19,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-21 12:29:19,346 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-21 12:29:19,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 12:29:19" (1/1) ... [2018-10-21 12:29:19,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7404913a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:29:19, skipping insertion in model container [2018-10-21 12:29:19,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 12:29:19" (1/1) ... [2018-10-21 12:29:19,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-21 12:29:19,384 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-21 12:29:19,627 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-21 12:29:19,632 INFO L189 MainTranslator]: Completed pre-run [2018-10-21 12:29:19,652 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-21 12:29:19,667 INFO L193 MainTranslator]: Completed translation [2018-10-21 12:29:19,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:29:19 WrapperNode [2018-10-21 12:29:19,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-21 12:29:19,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-21 12:29:19,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-21 12:29:19,668 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-21 12:29:19,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:29:19" (1/1) ... [2018-10-21 12:29:19,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:29:19" (1/1) ... [2018-10-21 12:29:19,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-21 12:29:19,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-21 12:29:19,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-21 12:29:19,687 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-21 12:29:19,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:29:19" (1/1) ... [2018-10-21 12:29:19,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:29:19" (1/1) ... [2018-10-21 12:29:19,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:29:19" (1/1) ... [2018-10-21 12:29:19,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:29:19" (1/1) ... [2018-10-21 12:29:19,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:29:19" (1/1) ... [2018-10-21 12:29:19,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:29:19" (1/1) ... [2018-10-21 12:29:19,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:29:19" (1/1) ... [2018-10-21 12:29:19,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-21 12:29:19,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-21 12:29:19,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-21 12:29:19,710 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-21 12:29:19,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:29:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-21 12:29:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-21 12:29:19,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-21 12:29:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-21 12:29:19,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-21 12:29:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-21 12:29:19,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-21 12:29:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-21 12:29:19,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-21 12:29:20,094 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-21 12:29:20,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 12:29:20 BoogieIcfgContainer [2018-10-21 12:29:20,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-21 12:29:20,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-21 12:29:20,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-21 12:29:20,099 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-21 12:29:20,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 12:29:19" (1/3) ... [2018-10-21 12:29:20,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a1bcc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 12:29:20, skipping insertion in model container [2018-10-21 12:29:20,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:29:19" (2/3) ... [2018-10-21 12:29:20,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a1bcc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 12:29:20, skipping insertion in model container [2018-10-21 12:29:20,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 12:29:20" (3/3) ... [2018-10-21 12:29:20,103 INFO L112 eAbstractionObserver]: Analyzing ICFG trex03_true-unreach-call_true-termination.i [2018-10-21 12:29:20,113 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-21 12:29:20,123 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-21 12:29:20,139 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-21 12:29:20,173 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-21 12:29:20,174 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-21 12:29:20,174 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-21 12:29:20,174 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-21 12:29:20,175 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-21 12:29:20,175 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-21 12:29:20,175 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-21 12:29:20,175 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-21 12:29:20,175 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-21 12:29:20,194 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-10-21 12:29:20,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-21 12:29:20,200 INFO L367 BasicCegarLoop]: Found error trace [2018-10-21 12:29:20,201 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-21 12:29:20,204 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-21 12:29:20,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-21 12:29:20,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1575744449, now seen corresponding path program 1 times [2018-10-21 12:29:20,212 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-21 12:29:20,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-21 12:29:20,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-21 12:29:20,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-21 12:29:20,264 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-21 12:29:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-21 12:29:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-21 12:29:20,335 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-21 12:29:20,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-21 12:29:20,335 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-21 12:29:20,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-21 12:29:20,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-21 12:29:20,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-21 12:29:20,361 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2018-10-21 12:29:20,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-21 12:29:20,384 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2018-10-21 12:29:20,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-21 12:29:20,386 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-10-21 12:29:20,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-21 12:29:20,398 INFO L225 Difference]: With dead ends: 34 [2018-10-21 12:29:20,398 INFO L226 Difference]: Without dead ends: 15 [2018-10-21 12:29:20,412 INFO L605 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 [2018-10-21 12:29:20,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-10-21 12:29:20,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-10-21 12:29:20,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-10-21 12:29:20,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2018-10-21 12:29:20,456 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 10 [2018-10-21 12:29:20,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-21 12:29:20,456 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2018-10-21 12:29:20,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-21 12:29:20,456 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-10-21 12:29:20,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-21 12:29:20,457 INFO L367 BasicCegarLoop]: Found error trace [2018-10-21 12:29:20,457 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-21 12:29:20,458 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-21 12:29:20,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-21 12:29:20,458 INFO L82 PathProgramCache]: Analyzing trace with hash 998051845, now seen corresponding path program 1 times [2018-10-21 12:29:20,458 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-21 12:29:20,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-21 12:29:20,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-21 12:29:20,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-21 12:29:20,460 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-21 12:29:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-21 12:29:20,678 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-21 12:29:20,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-21 12:29:20,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-21 12:29:20,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-21 12:29:20,720 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-21 12:29:20,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-21 12:29:20,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-21 12:29:20,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-21 12:29:20,723 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 5 states. [2018-10-21 12:29:20,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-21 12:29:20,820 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2018-10-21 12:29:20,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-21 12:29:20,822 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-10-21 12:29:20,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-21 12:29:20,822 INFO L225 Difference]: With dead ends: 15 [2018-10-21 12:29:20,823 INFO L226 Difference]: Without dead ends: 0 [2018-10-21 12:29:20,824 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-21 12:29:20,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-21 12:29:20,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-21 12:29:20,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-21 12:29:20,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-21 12:29:20,826 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-10-21 12:29:20,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-21 12:29:20,826 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-21 12:29:20,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-21 12:29:20,827 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-21 12:29:20,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-21 12:29:20,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-21 12:29:20,925 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-21 12:29:20,926 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-21 12:29:20,926 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-21 12:29:20,926 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-21 12:29:20,926 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-21 12:29:20,926 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-21 12:29:20,926 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 10 25) no Hoare annotation was computed. [2018-10-21 12:29:20,927 INFO L425 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-10-21 12:29:20,927 INFO L425 ceAbstractionStarter]: For program point L17(lines 17 19) no Hoare annotation was computed. [2018-10-21 12:29:20,927 INFO L425 ceAbstractionStarter]: For program point L15-1(lines 15 22) no Hoare annotation was computed. [2018-10-21 12:29:20,927 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 10 25) no Hoare annotation was computed. [2018-10-21 12:29:20,927 INFO L428 ceAbstractionStarter]: At program point L15-3(lines 15 22) the Hoare annotation is: true [2018-10-21 12:29:20,930 INFO L421 ceAbstractionStarter]: At program point L15-4(lines 15 22) the Hoare annotation is: (or (= main_~x2~0 (* 4294967296 (div main_~x2~0 4294967296))) (= main_~x3~0 (* 4294967296 (div main_~x3~0 4294967296))) (= main_~x1~0 (* 4294967296 (div main_~x1~0 4294967296)))) [2018-10-21 12:29:20,930 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 10 25) the Hoare annotation is: true [2018-10-21 12:29:20,931 INFO L425 ceAbstractionStarter]: For program point L18(lines 18 19) no Hoare annotation was computed. [2018-10-21 12:29:20,933 INFO L425 ceAbstractionStarter]: For program point L18-2(lines 17 19) no Hoare annotation was computed. [2018-10-21 12:29:20,933 INFO L425 ceAbstractionStarter]: For program point L3-2(lines 2 7) no Hoare annotation was computed. [2018-10-21 12:29:20,933 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2018-10-21 12:29:20,933 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2018-10-21 12:29:20,933 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-10-21 12:29:20,934 INFO L425 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-10-21 12:29:20,935 INFO L425 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2018-10-21 12:29:20,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 12:29:20 BoogieIcfgContainer [2018-10-21 12:29:20,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-21 12:29:20,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-21 12:29:20,944 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-21 12:29:20,945 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-21 12:29:20,945 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 12:29:20" (3/4) ... [2018-10-21 12:29:20,950 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-21 12:29:20,959 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-21 12:29:20,960 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-21 12:29:20,960 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-10-21 12:29:20,966 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-10-21 12:29:20,969 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-21 12:29:20,969 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-21 12:29:21,021 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml [2018-10-21 12:29:21,022 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-21 12:29:21,023 INFO L168 Benchmark]: Toolchain (without parser) took 1684.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -122.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-10-21 12:29:21,024 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-21 12:29:21,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.67 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 941.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-10-21 12:29:21,025 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.93 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-21 12:29:21,025 INFO L168 Benchmark]: Boogie Preprocessor took 23.35 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-21 12:29:21,026 INFO L168 Benchmark]: RCFGBuilder took 384.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-10-21 12:29:21,027 INFO L168 Benchmark]: TraceAbstraction took 847.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2018-10-21 12:29:21,028 INFO L168 Benchmark]: Witness Printer took 78.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-10-21 12:29:21,032 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 326.67 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 941.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.93 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.35 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 384.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 847.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Witness Printer took 78.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 15]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 38 SDtfs, 1 SDslu, 35 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 9 NumberOfFragments, 28 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 431 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...