./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted/Cairo_true-no-overflow_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/termination-crafted/Cairo_true-no-overflow_true-termination_true-valid-memsafety.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4ee0473dc6d7092e83742edafdde9370f3b93e25 ........................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 01:16:47,573 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 01:16:47,574 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 01:16:47,590 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 01:16:47,591 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 01:16:47,592 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 01:16:47,593 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 01:16:47,595 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 01:16:47,604 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 01:16:47,606 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 01:16:47,607 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 01:16:47,608 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 01:16:47,609 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 01:16:47,610 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 01:16:47,612 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 01:16:47,616 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 01:16:47,617 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 01:16:47,622 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 01:16:47,624 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 01:16:47,626 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 01:16:47,627 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 01:16:47,628 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 01:16:47,630 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 01:16:47,630 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 01:16:47,630 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 01:16:47,631 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 01:16:47,632 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 01:16:47,633 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 01:16:47,634 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 01:16:47,634 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 01:16:47,635 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 01:16:47,635 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 01:16:47,636 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 01:16:47,636 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 01:16:47,637 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 01:16:47,637 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 01:16:47,638 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-14 01:16:47,664 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 01:16:47,667 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 01:16:47,669 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 01:16:47,669 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 01:16:47,670 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 01:16:47,670 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 01:16:47,670 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 01:16:47,670 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 01:16:47,670 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 01:16:47,671 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 01:16:47,671 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 01:16:47,671 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 01:16:47,671 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-14 01:16:47,671 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 01:16:47,671 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 01:16:47,672 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 01:16:47,673 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 01:16:47,673 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 01:16:47,673 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 01:16:47,673 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 01:16:47,674 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 01:16:47,674 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 01:16:47,674 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 01:16:47,675 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 01:16:47,675 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 01:16:47,675 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 01:16:47,675 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 01:16:47,675 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/UAutomizer-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 ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ee0473dc6d7092e83742edafdde9370f3b93e25 [2019-01-14 01:16:47,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 01:16:47,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 01:16:47,755 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 01:16:47,756 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 01:16:47,757 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 01:16:47,758 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted/Cairo_true-no-overflow_true-termination_true-valid-memsafety.c [2019-01-14 01:16:47,815 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/074d4e292/1cbad792350a420090af1e52cfe9b2eb/FLAGc5b3a7d44 [2019-01-14 01:16:48,305 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 01:16:48,306 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted/Cairo_true-no-overflow_true-termination_true-valid-memsafety.c [2019-01-14 01:16:48,312 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/074d4e292/1cbad792350a420090af1e52cfe9b2eb/FLAGc5b3a7d44 [2019-01-14 01:16:48,646 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/074d4e292/1cbad792350a420090af1e52cfe9b2eb [2019-01-14 01:16:48,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 01:16:48,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 01:16:48,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 01:16:48,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 01:16:48,655 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 01:16:48,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:16:48" (1/1) ... [2019-01-14 01:16:48,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6339f23e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:48, skipping insertion in model container [2019-01-14 01:16:48,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:16:48" (1/1) ... [2019-01-14 01:16:48,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 01:16:48,689 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 01:16:48,924 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:16:48,930 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 01:16:48,947 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:16:48,965 INFO L195 MainTranslator]: Completed translation [2019-01-14 01:16:48,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:48 WrapperNode [2019-01-14 01:16:48,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 01:16:48,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 01:16:48,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 01:16:48,967 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 01:16:48,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:48" (1/1) ... [2019-01-14 01:16:48,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:48" (1/1) ... [2019-01-14 01:16:49,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 01:16:49,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 01:16:49,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 01:16:49,005 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 01:16:49,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:48" (1/1) ... [2019-01-14 01:16:49,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:48" (1/1) ... [2019-01-14 01:16:49,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:48" (1/1) ... [2019-01-14 01:16:49,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:48" (1/1) ... [2019-01-14 01:16:49,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:48" (1/1) ... [2019-01-14 01:16:49,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:48" (1/1) ... [2019-01-14 01:16:49,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:48" (1/1) ... [2019-01-14 01:16:49,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 01:16:49,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 01:16:49,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 01:16:49,030 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 01:16:49,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:48" (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 [2019-01-14 01:16:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 01:16:49,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 01:16:49,312 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 01:16:49,313 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 01:16:49,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:16:49 BoogieIcfgContainer [2019-01-14 01:16:49,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 01:16:49,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 01:16:49,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 01:16:49,318 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 01:16:49,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 01:16:48" (1/3) ... [2019-01-14 01:16:49,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa20501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:16:49, skipping insertion in model container [2019-01-14 01:16:49,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:48" (2/3) ... [2019-01-14 01:16:49,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa20501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:16:49, skipping insertion in model container [2019-01-14 01:16:49,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:16:49" (3/3) ... [2019-01-14 01:16:49,322 INFO L112 eAbstractionObserver]: Analyzing ICFG Cairo_true-no-overflow_true-termination_true-valid-memsafety.c [2019-01-14 01:16:49,332 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 01:16:49,339 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-01-14 01:16:49,356 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-01-14 01:16:49,385 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 01:16:49,385 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 01:16:49,386 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 01:16:49,386 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 01:16:49,386 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 01:16:49,386 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 01:16:49,386 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 01:16:49,386 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 01:16:49,386 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 01:16:49,401 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-01-14 01:16:49,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-14 01:16:49,410 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:16:49,411 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-14 01:16:49,413 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:16:49,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:16:49,421 INFO L82 PathProgramCache]: Analyzing trace with hash 957573, now seen corresponding path program 1 times [2019-01-14 01:16:49,423 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:16:49,423 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:16:49,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:16:49,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:16:49,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:16:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:16:49,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:16:49,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:16:49,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-14 01:16:49,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:16:49,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:16:49,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:16:49,592 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2019-01-14 01:16:49,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:16:49,713 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2019-01-14 01:16:49,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:16:49,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-14 01:16:49,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:16:49,729 INFO L225 Difference]: With dead ends: 15 [2019-01-14 01:16:49,730 INFO L226 Difference]: Without dead ends: 6 [2019-01-14 01:16:49,733 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:16:49,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-01-14 01:16:49,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-01-14 01:16:49,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-14 01:16:49,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-01-14 01:16:49,769 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2019-01-14 01:16:49,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:16:49,770 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-01-14 01:16:49,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:16:49,770 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-01-14 01:16:49,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-14 01:16:49,771 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:16:49,772 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-14 01:16:49,772 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:16:49,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:16:49,772 INFO L82 PathProgramCache]: Analyzing trace with hash 29684810, now seen corresponding path program 1 times [2019-01-14 01:16:49,773 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:16:49,773 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:16:49,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:16:49,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:16:49,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:16:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:16:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:16:49,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:16:49,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 01:16:49,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:16:49,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:16:49,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:16:49,842 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 3 states. [2019-01-14 01:16:49,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:16:49,924 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2019-01-14 01:16:49,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:16:49,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-14 01:16:49,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:16:49,927 INFO L225 Difference]: With dead ends: 10 [2019-01-14 01:16:49,927 INFO L226 Difference]: Without dead ends: 9 [2019-01-14 01:16:49,928 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:16:49,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-01-14 01:16:49,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-01-14 01:16:49,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-14 01:16:49,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-01-14 01:16:49,936 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2019-01-14 01:16:49,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:16:49,936 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-01-14 01:16:49,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:16:49,937 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-01-14 01:16:49,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-14 01:16:49,937 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:16:49,937 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2019-01-14 01:16:49,939 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:16:49,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:16:49,939 INFO L82 PathProgramCache]: Analyzing trace with hash -423045501, now seen corresponding path program 1 times [2019-01-14 01:16:49,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:16:49,940 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:16:49,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:16:49,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:16:49,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:16:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:16:50,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:16:50,010 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 01:16:50,010 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-14 01:16:50,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:16:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:16:50,047 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 01:16:50,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:16:50,110 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 01:16:50,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2019-01-14 01:16:50,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 01:16:50,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 01:16:50,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-14 01:16:50,111 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2019-01-14 01:16:50,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:16:50,143 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2019-01-14 01:16:50,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 01:16:50,144 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-01-14 01:16:50,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:16:50,144 INFO L225 Difference]: With dead ends: 9 [2019-01-14 01:16:50,144 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 01:16:50,145 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-14 01:16:50,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 01:16:50,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 01:16:50,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 01:16:50,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 01:16:50,148 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-01-14 01:16:50,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:16:50,148 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 01:16:50,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 01:16:50,148 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 01:16:50,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 01:16:50,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-14 01:16:50,206 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-14 01:16:50,206 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2019-01-14 01:16:50,207 INFO L444 ceAbstractionStarter]: At program point L25(lines 16 26) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647) [2019-01-14 01:16:50,207 INFO L444 ceAbstractionStarter]: At program point L21-2(lines 21 23) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= 0 ULTIMATE.start_main_~x~0)) [2019-01-14 01:16:50,207 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2019-01-14 01:16:50,207 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-14 01:16:50,207 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-14 01:16:50,207 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-01-14 01:16:50,207 INFO L448 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2019-01-14 01:16:50,207 INFO L448 ceAbstractionStarter]: For program point L20(lines 20 24) no Hoare annotation was computed. [2019-01-14 01:16:50,208 INFO L448 ceAbstractionStarter]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2019-01-14 01:16:50,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 01:16:50 BoogieIcfgContainer [2019-01-14 01:16:50,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 01:16:50,219 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 01:16:50,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 01:16:50,219 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 01:16:50,220 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:16:49" (3/4) ... [2019-01-14 01:16:50,223 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 01:16:50,231 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-14 01:16:50,232 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-14 01:16:50,272 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 01:16:50,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 01:16:50,273 INFO L168 Benchmark]: Toolchain (without parser) took 1622.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -98.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-01-14 01:16:50,274 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:16:50,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.96 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 940.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-01-14 01:16:50,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.08 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:16:50,277 INFO L168 Benchmark]: Boogie Preprocessor took 23.82 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:16:50,277 INFO L168 Benchmark]: RCFGBuilder took 284.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2019-01-14 01:16:50,278 INFO L168 Benchmark]: TraceAbstraction took 903.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. [2019-01-14 01:16:50,279 INFO L168 Benchmark]: Witness Printer took 53.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:16:50,284 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.96 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 940.6 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 38.08 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.82 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 284.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 903.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. * Witness Printer took 53.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: x <= 2147483647 && 0 <= x - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: x <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 2 error locations. SAFE Result, 0.8s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 7 SDslu, 0 SDs, 0 SdLazy, 21 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 333 SizeOfPredicates, 0 NumberOfNonLiveVariables, 15 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...