./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted/Bangalore_v4_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/Bangalore_v4_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 9382426e0298eea8efda3bbcf0c2ed9d078bc5a4 ........................................................................................................................................................................................................................................................................................................................................... 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 01:16:43,499 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 01:16:43,500 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 01:16:43,513 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 01:16:43,514 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 01:16:43,515 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 01:16:43,517 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 01:16:43,519 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 01:16:43,521 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 01:16:43,522 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 01:16:43,523 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 01:16:43,523 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 01:16:43,524 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 01:16:43,525 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 01:16:43,527 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 01:16:43,528 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 01:16:43,529 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 01:16:43,531 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 01:16:43,534 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 01:16:43,535 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 01:16:43,537 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 01:16:43,538 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 01:16:43,541 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 01:16:43,541 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 01:16:43,542 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 01:16:43,543 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 01:16:43,544 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 01:16:43,545 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 01:16:43,546 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 01:16:43,547 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 01:16:43,548 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 01:16:43,549 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 01:16:43,549 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 01:16:43,549 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 01:16:43,550 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 01:16:43,552 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 01:16:43,552 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-14 01:16:43,567 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 01:16:43,568 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 01:16:43,569 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 01:16:43,569 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 01:16:43,569 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 01:16:43,570 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 01:16:43,570 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 01:16:43,571 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 01:16:43,571 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 01:16:43,571 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 01:16:43,571 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 01:16:43,571 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 01:16:43,571 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-14 01:16:43,572 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 01:16:43,572 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 01:16:43,572 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 01:16:43,572 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 01:16:43,572 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 01:16:43,572 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 01:16:43,573 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 01:16:43,574 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 01:16:43,575 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 01:16:43,575 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 01:16:43,575 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 01:16:43,575 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 01:16:43,576 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 01:16:43,576 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 01:16:43,576 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 -> 9382426e0298eea8efda3bbcf0c2ed9d078bc5a4 [2019-01-14 01:16:43,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 01:16:43,630 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 01:16:43,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 01:16:43,634 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 01:16:43,634 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 01:16:43,636 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted/Bangalore_v4_true-no-overflow_true-termination_true-valid-memsafety.c [2019-01-14 01:16:43,692 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10384664d/3500164d8da84d9783d09b1f37143845/FLAG4dfc3cd9a [2019-01-14 01:16:44,096 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 01:16:44,097 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted/Bangalore_v4_true-no-overflow_true-termination_true-valid-memsafety.c [2019-01-14 01:16:44,101 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10384664d/3500164d8da84d9783d09b1f37143845/FLAG4dfc3cd9a [2019-01-14 01:16:44,472 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10384664d/3500164d8da84d9783d09b1f37143845 [2019-01-14 01:16:44,476 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 01:16:44,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 01:16:44,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 01:16:44,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 01:16:44,488 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 01:16:44,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:16:44" (1/1) ... [2019-01-14 01:16:44,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a569fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:44, skipping insertion in model container [2019-01-14 01:16:44,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:16:44" (1/1) ... [2019-01-14 01:16:44,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 01:16:44,522 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 01:16:44,746 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:16:44,750 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 01:16:44,771 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:16:44,787 INFO L195 MainTranslator]: Completed translation [2019-01-14 01:16:44,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:44 WrapperNode [2019-01-14 01:16:44,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 01:16:44,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 01:16:44,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 01:16:44,790 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 01:16:44,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:44" (1/1) ... [2019-01-14 01:16:44,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:44" (1/1) ... [2019-01-14 01:16:44,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 01:16:44,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 01:16:44,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 01:16:44,833 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 01:16:44,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:44" (1/1) ... [2019-01-14 01:16:44,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:44" (1/1) ... [2019-01-14 01:16:44,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:44" (1/1) ... [2019-01-14 01:16:44,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:44" (1/1) ... [2019-01-14 01:16:44,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:44" (1/1) ... [2019-01-14 01:16:44,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:44" (1/1) ... [2019-01-14 01:16:44,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:44" (1/1) ... [2019-01-14 01:16:44,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 01:16:44,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 01:16:44,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 01:16:44,861 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 01:16:44,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:44" (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 01:16:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 01:16:45,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 01:16:45,368 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 01:16:45,368 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 01:16:45,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:16:45 BoogieIcfgContainer [2019-01-14 01:16:45,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 01:16:45,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 01:16:45,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 01:16:45,377 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 01:16:45,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 01:16:44" (1/3) ... [2019-01-14 01:16:45,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd514e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:16:45, skipping insertion in model container [2019-01-14 01:16:45,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:16:44" (2/3) ... [2019-01-14 01:16:45,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd514e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:16:45, skipping insertion in model container [2019-01-14 01:16:45,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:16:45" (3/3) ... [2019-01-14 01:16:45,383 INFO L112 eAbstractionObserver]: Analyzing ICFG Bangalore_v4_true-no-overflow_true-termination_true-valid-memsafety.c [2019-01-14 01:16:45,394 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 01:16:45,407 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-01-14 01:16:45,426 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-01-14 01:16:45,459 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 01:16:45,460 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 01:16:45,460 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 01:16:45,460 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 01:16:45,460 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 01:16:45,460 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 01:16:45,461 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 01:16:45,461 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 01:16:45,462 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 01:16:45,477 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-01-14 01:16:45,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-14 01:16:45,484 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:16:45,485 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-14 01:16:45,487 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:16:45,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:16:45,495 INFO L82 PathProgramCache]: Analyzing trace with hash 957573, now seen corresponding path program 1 times [2019-01-14 01:16:45,497 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:16:45,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:16:45,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:16:45,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:16:45,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:16:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:16:45,642 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 01:16:45,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:16:45,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 01:16:45,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:16:45,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:16:45,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:16:45,670 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2019-01-14 01:16:45,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:16:45,836 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2019-01-14 01:16:45,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:16:45,839 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-14 01:16:45,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:16:45,847 INFO L225 Difference]: With dead ends: 23 [2019-01-14 01:16:45,848 INFO L226 Difference]: Without dead ends: 10 [2019-01-14 01:16:45,851 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 01:16:45,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-01-14 01:16:45,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2019-01-14 01:16:45,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-14 01:16:45,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-01-14 01:16:45,880 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 4 [2019-01-14 01:16:45,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:16:45,880 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-01-14 01:16:45,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:16:45,883 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-01-14 01:16:45,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-14 01:16:45,884 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:16:45,884 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-14 01:16:45,885 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:16:45,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:16:45,886 INFO L82 PathProgramCache]: Analyzing trace with hash 29684810, now seen corresponding path program 1 times [2019-01-14 01:16:45,886 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:16:45,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:16:45,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:16:45,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:16:45,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:16:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:16:45,937 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 01:16:45,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:16:45,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 01:16:45,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 01:16:45,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 01:16:45,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 01:16:45,940 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2019-01-14 01:16:46,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:16:46,036 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2019-01-14 01:16:46,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 01:16:46,037 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-01-14 01:16:46,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:16:46,037 INFO L225 Difference]: With dead ends: 9 [2019-01-14 01:16:46,038 INFO L226 Difference]: Without dead ends: 8 [2019-01-14 01:16:46,039 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-14 01:16:46,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-01-14 01:16:46,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-01-14 01:16:46,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-01-14 01:16:46,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-01-14 01:16:46,041 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 5 [2019-01-14 01:16:46,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:16:46,042 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-01-14 01:16:46,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 01:16:46,042 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-01-14 01:16:46,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-14 01:16:46,042 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:16:46,043 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2019-01-14 01:16:46,043 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:16:46,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:16:46,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1537667284, now seen corresponding path program 1 times [2019-01-14 01:16:46,043 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:16:46,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:16:46,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:16:46,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:16:46,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:16:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:16:46,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:16:46,135 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 01:16:46,135 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 01:16:46,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:16:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:16:46,169 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 01:16:46,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:16:46,225 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 01:16:46,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-01-14 01:16:46,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 01:16:46,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 01:16:46,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 01:16:46,227 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 4 states. [2019-01-14 01:16:46,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:16:46,283 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2019-01-14 01:16:46,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 01:16:46,283 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-01-14 01:16:46,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:16:46,284 INFO L225 Difference]: With dead ends: 10 [2019-01-14 01:16:46,284 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 01:16:46,284 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 01:16:46,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 01:16:46,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 01:16:46,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 01:16:46,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 01:16:46,285 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-01-14 01:16:46,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:16:46,285 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 01:16:46,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 01:16:46,286 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 01:16:46,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 01:16:46,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-14 01:16:46,356 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-14 01:16:46,356 INFO L451 ceAbstractionStarter]: At program point L21(lines 10 22) the Hoare annotation is: true [2019-01-14 01:16:46,356 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2019-01-14 01:16:46,357 INFO L444 ceAbstractionStarter]: At program point L17-2(lines 17 19) the Hoare annotation is: (let ((.cse0 (+ ULTIMATE.start_main_~x~0 1)) (.cse1 (<= ULTIMATE.start_main_~y~0 2147483647))) (or (and (<= .cse0 ULTIMATE.start_main_~y~0) .cse1) (and (<= .cse0 0) .cse1))) [2019-01-14 01:16:46,357 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-14 01:16:46,357 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-14 01:16:46,357 INFO L448 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2019-01-14 01:16:46,357 INFO L448 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2019-01-14 01:16:46,357 INFO L448 ceAbstractionStarter]: For program point L16(lines 16 20) no Hoare annotation was computed. [2019-01-14 01:16:46,357 INFO L448 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2019-01-14 01:16:46,358 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2019-01-14 01:16:46,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 01:16:46 BoogieIcfgContainer [2019-01-14 01:16:46,370 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 01:16:46,373 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 01:16:46,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 01:16:46,373 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 01:16:46,374 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:16:45" (3/4) ... [2019-01-14 01:16:46,379 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 01:16:46,389 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-14 01:16:46,390 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-14 01:16:46,432 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 01:16:46,433 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 01:16:46,434 INFO L168 Benchmark]: Toolchain (without parser) took 1956.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 951.3 MB in the beginning and 1.0 GB in the end (delta: -86.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-01-14 01:16:46,435 INFO L168 Benchmark]: CDTParser took 0.18 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 01:16:46,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.23 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 939.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-01-14 01:16:46,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.03 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:16:46,437 INFO L168 Benchmark]: Boogie Preprocessor took 27.24 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:16:46,438 INFO L168 Benchmark]: RCFGBuilder took 510.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-01-14 01:16:46,439 INFO L168 Benchmark]: TraceAbstraction took 1000.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. [2019-01-14 01:16:46,439 INFO L168 Benchmark]: Witness Printer took 60.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:16:46,444 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 309.23 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 939.3 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 43.03 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.24 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 510.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1000.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. * Witness Printer took 60.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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: 17]: Loop Invariant Derived loop invariant: (x + 1 <= y && y <= 2147483647) || (x + 1 <= 0 && y <= 2147483647) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 2 error locations. SAFE Result, 0.9s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 10 SDslu, 3 SDs, 0 SdLazy, 28 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 20 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 361 SizeOfPredicates, 2 NumberOfNonLiveVariables, 18 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...