java -Xmx8000000000 -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 ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/psyco/psyco_io_1_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 17:13:02,262 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 17:13:02,265 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 17:13:02,280 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 17:13:02,280 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 17:13:02,281 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 17:13:02,284 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 17:13:02,288 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 17:13:02,290 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 17:13:02,299 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 17:13:02,300 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 17:13:02,300 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 17:13:02,302 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 17:13:02,303 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 17:13:02,307 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 17:13:02,308 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 17:13:02,310 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 17:13:02,311 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 17:13:02,316 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 17:13:02,319 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 17:13:02,320 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 17:13:02,322 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 17:13:02,324 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 17:13:02,336 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 17:13:02,366 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 17:13:02,366 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 17:13:02,367 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 17:13:02,367 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 17:13:02,368 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 17:13:02,368 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 17:13:02,369 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 17:13:02,369 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 17:13:02,369 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 17:13:02,369 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 17:13:02,369 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 17:13:02,369 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 17:13:02,370 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 17:13:02,370 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 17:13:02,370 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 17:13:02,370 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 17:13:02,370 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 17:13:02,371 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 17:13:02,372 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 17:13:02,372 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 17:13:02,372 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 17:13:02,372 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 17:13:02,373 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 17:13:02,373 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 17:13:02,373 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 17:13:02,373 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 17:13:02,374 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 17:13:02,374 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 17:13:02,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 17:13:02,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 17:13:02,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 17:13:02,471 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 17:13:02,471 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 17:13:02,472 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/psyco/psyco_io_1_true-unreach-call_false-termination.c [2018-10-24 17:13:02,560 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c5eef863c/2792dd6e8d78485fb3bcd0028e3ff6a6/FLAG0a2c938a5 [2018-10-24 17:13:03,045 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 17:13:03,045 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_io_1_true-unreach-call_false-termination.c [2018-10-24 17:13:03,055 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c5eef863c/2792dd6e8d78485fb3bcd0028e3ff6a6/FLAG0a2c938a5 [2018-10-24 17:13:03,069 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c5eef863c/2792dd6e8d78485fb3bcd0028e3ff6a6 [2018-10-24 17:13:03,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 17:13:03,081 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 17:13:03,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 17:13:03,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 17:13:03,087 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 17:13:03,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:13:03" (1/1) ... [2018-10-24 17:13:03,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4601b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:13:03, skipping insertion in model container [2018-10-24 17:13:03,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:13:03" (1/1) ... [2018-10-24 17:13:03,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 17:13:03,139 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 17:13:03,434 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 17:13:03,440 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 17:13:03,487 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 17:13:03,505 INFO L193 MainTranslator]: Completed translation [2018-10-24 17:13:03,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:13:03 WrapperNode [2018-10-24 17:13:03,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 17:13:03,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 17:13:03,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 17:13:03,507 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 17:13:03,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:13:03" (1/1) ... [2018-10-24 17:13:03,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:13:03" (1/1) ... [2018-10-24 17:13:03,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 17:13:03,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 17:13:03,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 17:13:03,562 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 17:13:03,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:13:03" (1/1) ... [2018-10-24 17:13:03,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:13:03" (1/1) ... [2018-10-24 17:13:03,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:13:03" (1/1) ... [2018-10-24 17:13:03,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:13:03" (1/1) ... [2018-10-24 17:13:03,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:13:03" (1/1) ... [2018-10-24 17:13:03,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:13:03" (1/1) ... [2018-10-24 17:13:03,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:13:03" (1/1) ... [2018-10-24 17:13:03,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 17:13:03,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 17:13:03,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 17:13:03,597 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 17:13:03,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:13:03" (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 [2018-10-24 17:13:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 17:13:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 17:13:04,630 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 17:13:04,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:13:04 BoogieIcfgContainer [2018-10-24 17:13:04,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 17:13:04,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 17:13:04,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 17:13:04,638 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 17:13:04,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 05:13:03" (1/3) ... [2018-10-24 17:13:04,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31afee46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:13:04, skipping insertion in model container [2018-10-24 17:13:04,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:13:03" (2/3) ... [2018-10-24 17:13:04,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31afee46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:13:04, skipping insertion in model container [2018-10-24 17:13:04,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:13:04" (3/3) ... [2018-10-24 17:13:04,644 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_io_1_true-unreach-call_false-termination.c [2018-10-24 17:13:04,656 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 17:13:04,670 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 17:13:04,689 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 17:13:04,727 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 17:13:04,727 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 17:13:04,727 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 17:13:04,728 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 17:13:04,728 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 17:13:04,728 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 17:13:04,728 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 17:13:04,728 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 17:13:04,728 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 17:13:04,744 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states. [2018-10-24 17:13:04,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-24 17:13:04,750 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:13:04,751 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 17:13:04,754 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:13:04,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:13:04,759 INFO L82 PathProgramCache]: Analyzing trace with hash 382154768, now seen corresponding path program 1 times [2018-10-24 17:13:04,761 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:13:04,762 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:13:04,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:13:04,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:13:04,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:13:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:13:04,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 17:13:04,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:13:04,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 17:13:04,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-24 17:13:04,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-24 17:13:04,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-24 17:13:04,948 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 2 states. [2018-10-24 17:13:04,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:13:04,974 INFO L93 Difference]: Finished difference Result 130 states and 244 transitions. [2018-10-24 17:13:04,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-24 17:13:04,976 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-10-24 17:13:04,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:13:04,988 INFO L225 Difference]: With dead ends: 130 [2018-10-24 17:13:04,989 INFO L226 Difference]: Without dead ends: 57 [2018-10-24 17:13:04,992 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 [2018-10-24 17:13:05,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-10-24 17:13:05,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-10-24 17:13:05,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-10-24 17:13:05,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 87 transitions. [2018-10-24 17:13:05,037 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 87 transitions. Word has length 9 [2018-10-24 17:13:05,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:13:05,038 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 87 transitions. [2018-10-24 17:13:05,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-24 17:13:05,038 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 87 transitions. [2018-10-24 17:13:05,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-24 17:13:05,039 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:13:05,039 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 17:13:05,040 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:13:05,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:13:05,040 INFO L82 PathProgramCache]: Analyzing trace with hash -505610623, now seen corresponding path program 1 times [2018-10-24 17:13:05,040 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:13:05,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:13:05,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:13:05,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:13:05,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:13:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:13:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 17:13:05,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:13:05,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 17:13:05,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 17:13:05,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 17:13:05,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 17:13:05,141 INFO L87 Difference]: Start difference. First operand 57 states and 87 transitions. Second operand 3 states. [2018-10-24 17:13:05,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:13:05,331 INFO L93 Difference]: Finished difference Result 115 states and 176 transitions. [2018-10-24 17:13:05,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 17:13:05,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-10-24 17:13:05,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:13:05,334 INFO L225 Difference]: With dead ends: 115 [2018-10-24 17:13:05,334 INFO L226 Difference]: Without dead ends: 60 [2018-10-24 17:13:05,335 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 17:13:05,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-10-24 17:13:05,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-10-24 17:13:05,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-10-24 17:13:05,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 90 transitions. [2018-10-24 17:13:05,344 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 90 transitions. Word has length 10 [2018-10-24 17:13:05,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:13:05,345 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 90 transitions. [2018-10-24 17:13:05,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 17:13:05,345 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 90 transitions. [2018-10-24 17:13:05,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-24 17:13:05,346 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:13:05,346 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 17:13:05,346 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:13:05,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:13:05,346 INFO L82 PathProgramCache]: Analyzing trace with hash -353906605, now seen corresponding path program 1 times [2018-10-24 17:13:05,347 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:13:05,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:13:05,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:13:05,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:13:05,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:13:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:13:05,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 17:13:05,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:13:05,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 17:13:05,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 17:13:05,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 17:13:05,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 17:13:05,424 INFO L87 Difference]: Start difference. First operand 60 states and 90 transitions. Second operand 3 states. [2018-10-24 17:13:05,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:13:05,542 INFO L93 Difference]: Finished difference Result 109 states and 165 transitions. [2018-10-24 17:13:05,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 17:13:05,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-10-24 17:13:05,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:13:05,544 INFO L225 Difference]: With dead ends: 109 [2018-10-24 17:13:05,544 INFO L226 Difference]: Without dead ends: 52 [2018-10-24 17:13:05,545 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 17:13:05,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-10-24 17:13:05,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-10-24 17:13:05,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-10-24 17:13:05,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 76 transitions. [2018-10-24 17:13:05,551 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 76 transitions. Word has length 15 [2018-10-24 17:13:05,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:13:05,551 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 76 transitions. [2018-10-24 17:13:05,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 17:13:05,551 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2018-10-24 17:13:05,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-24 17:13:05,552 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:13:05,552 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 17:13:05,553 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:13:05,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:13:05,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1737547572, now seen corresponding path program 1 times [2018-10-24 17:13:05,553 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:13:05,553 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:13:05,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:13:05,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:13:05,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:13:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:13:05,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 17:13:05,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:13:05,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 17:13:05,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 17:13:05,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 17:13:05,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 17:13:05,617 INFO L87 Difference]: Start difference. First operand 52 states and 76 transitions. Second operand 3 states. [2018-10-24 17:13:05,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:13:05,742 INFO L93 Difference]: Finished difference Result 136 states and 206 transitions. [2018-10-24 17:13:05,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 17:13:05,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-10-24 17:13:05,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:13:05,744 INFO L225 Difference]: With dead ends: 136 [2018-10-24 17:13:05,745 INFO L226 Difference]: Without dead ends: 90 [2018-10-24 17:13:05,745 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 17:13:05,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-10-24 17:13:05,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2018-10-24 17:13:05,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-10-24 17:13:05,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 128 transitions. [2018-10-24 17:13:05,755 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 128 transitions. Word has length 20 [2018-10-24 17:13:05,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:13:05,756 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 128 transitions. [2018-10-24 17:13:05,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 17:13:05,756 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 128 transitions. [2018-10-24 17:13:05,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-24 17:13:05,757 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:13:05,757 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 17:13:05,758 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:13:05,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:13:05,758 INFO L82 PathProgramCache]: Analyzing trace with hash -59162688, now seen corresponding path program 1 times [2018-10-24 17:13:05,758 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:13:05,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:13:05,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:13:05,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:13:05,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:13:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:13:05,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 17:13:05,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:13:05,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 17:13:05,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 17:13:05,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 17:13:05,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 17:13:05,834 INFO L87 Difference]: Start difference. First operand 87 states and 128 transitions. Second operand 3 states. [2018-10-24 17:13:05,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:13:05,931 INFO L93 Difference]: Finished difference Result 176 states and 258 transitions. [2018-10-24 17:13:05,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 17:13:05,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-10-24 17:13:05,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:13:05,938 INFO L225 Difference]: With dead ends: 176 [2018-10-24 17:13:05,938 INFO L226 Difference]: Without dead ends: 97 [2018-10-24 17:13:05,939 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 17:13:05,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-10-24 17:13:05,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2018-10-24 17:13:05,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-10-24 17:13:05,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 136 transitions. [2018-10-24 17:13:05,959 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 136 transitions. Word has length 21 [2018-10-24 17:13:05,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:13:05,959 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 136 transitions. [2018-10-24 17:13:05,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 17:13:05,959 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 136 transitions. [2018-10-24 17:13:05,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-24 17:13:05,963 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:13:05,963 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 17:13:05,964 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:13:05,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:13:05,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1126336748, now seen corresponding path program 1 times [2018-10-24 17:13:05,964 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:13:05,964 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:13:05,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:13:05,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:13:05,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:13:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:13:06,106 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-24 17:13:06,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:13:06,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 17:13:06,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 17:13:06,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 17:13:06,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 17:13:06,108 INFO L87 Difference]: Start difference. First operand 95 states and 136 transitions. Second operand 3 states. [2018-10-24 17:13:06,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:13:06,174 INFO L93 Difference]: Finished difference Result 160 states and 230 transitions. [2018-10-24 17:13:06,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 17:13:06,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-10-24 17:13:06,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:13:06,176 INFO L225 Difference]: With dead ends: 160 [2018-10-24 17:13:06,176 INFO L226 Difference]: Without dead ends: 73 [2018-10-24 17:13:06,177 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 17:13:06,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-10-24 17:13:06,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-10-24 17:13:06,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-10-24 17:13:06,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2018-10-24 17:13:06,191 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 32 [2018-10-24 17:13:06,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:13:06,195 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2018-10-24 17:13:06,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 17:13:06,195 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2018-10-24 17:13:06,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-24 17:13:06,196 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:13:06,197 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 17:13:06,197 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:13:06,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:13:06,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1473061984, now seen corresponding path program 1 times [2018-10-24 17:13:06,198 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:13:06,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:13:06,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:13:06,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:13:06,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:13:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:13:06,351 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-24 17:13:06,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:13:06,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 17:13:06,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 17:13:06,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 17:13:06,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-24 17:13:06,353 INFO L87 Difference]: Start difference. First operand 73 states and 101 transitions. Second operand 4 states. [2018-10-24 17:13:06,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:13:06,460 INFO L93 Difference]: Finished difference Result 76 states and 104 transitions. [2018-10-24 17:13:06,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 17:13:06,460 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-10-24 17:13:06,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:13:06,461 INFO L225 Difference]: With dead ends: 76 [2018-10-24 17:13:06,461 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 17:13:06,461 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-24 17:13:06,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 17:13:06,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 17:13:06,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 17:13:06,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 17:13:06,463 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-10-24 17:13:06,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:13:06,463 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 17:13:06,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 17:13:06,464 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 17:13:06,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 17:13:06,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 17:13:06,772 WARN L179 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2018-10-24 17:13:06,908 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2018-10-24 17:13:06,912 INFO L425 ceAbstractionStarter]: For program point L36(lines 36 47) no Hoare annotation was computed. [2018-10-24 17:13:06,912 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 17:13:06,912 INFO L425 ceAbstractionStarter]: For program point L86(lines 86 101) no Hoare annotation was computed. [2018-10-24 17:13:06,912 INFO L425 ceAbstractionStarter]: For program point L53(lines 53 104) no Hoare annotation was computed. [2018-10-24 17:13:06,912 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 217) no Hoare annotation was computed. [2018-10-24 17:13:06,912 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 85) no Hoare annotation was computed. [2018-10-24 17:13:06,913 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 333) no Hoare annotation was computed. [2018-10-24 17:13:06,913 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 201) no Hoare annotation was computed. [2018-10-24 17:13:06,913 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 69) no Hoare annotation was computed. [2018-10-24 17:13:06,913 INFO L421 ceAbstractionStarter]: At program point L335(lines 23 339) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~this_sink~0 0))) (or (and (or (<= (+ ULTIMATE.start_main_~this_sink~0 1) 0) (<= 1 ULTIMATE.start_main_~this_sink~0)) (<= 3 ULTIMATE.start_main_~q~0)) (and .cse0 (= ULTIMATE.start_main_~q~0 2)) (and .cse0 (= ULTIMATE.start_main_~q~0 0)))) [2018-10-24 17:13:06,914 INFO L425 ceAbstractionStarter]: For program point L302(lines 302 317) no Hoare annotation was computed. [2018-10-24 17:13:06,914 INFO L425 ceAbstractionStarter]: For program point L170(lines 170 185) no Hoare annotation was computed. [2018-10-24 17:13:06,914 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 301) no Hoare annotation was computed. [2018-10-24 17:13:06,914 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 169) no Hoare annotation was computed. [2018-10-24 17:13:06,914 INFO L425 ceAbstractionStarter]: For program point L88(lines 88 99) no Hoare annotation was computed. [2018-10-24 17:13:06,914 INFO L425 ceAbstractionStarter]: For program point L270(lines 270 285) no Hoare annotation was computed. [2018-10-24 17:13:06,915 INFO L425 ceAbstractionStarter]: For program point L204(lines 204 215) no Hoare annotation was computed. [2018-10-24 17:13:06,915 INFO L425 ceAbstractionStarter]: For program point L138(lines 138 153) no Hoare annotation was computed. [2018-10-24 17:13:06,915 INFO L425 ceAbstractionStarter]: For program point L105(lines 105 220) no Hoare annotation was computed. [2018-10-24 17:13:06,915 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 83) no Hoare annotation was computed. [2018-10-24 17:13:06,915 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 331) no Hoare annotation was computed. [2018-10-24 17:13:06,915 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 269) no Hoare annotation was computed. [2018-10-24 17:13:06,915 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 336) no Hoare annotation was computed. [2018-10-24 17:13:06,915 INFO L425 ceAbstractionStarter]: For program point L188(lines 188 199) no Hoare annotation was computed. [2018-10-24 17:13:06,916 INFO L425 ceAbstractionStarter]: For program point L122(lines 122 137) no Hoare annotation was computed. [2018-10-24 17:13:06,916 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 67) no Hoare annotation was computed. [2018-10-24 17:13:06,916 INFO L421 ceAbstractionStarter]: At program point L23-3(lines 23 339) the Hoare annotation is: (or (and (or (<= (+ ULTIMATE.start_main_~this_sink~0 1) 0) (<= 1 ULTIMATE.start_main_~this_sink~0)) (<= 3 ULTIMATE.start_main_~q~0)) (and (= ULTIMATE.start_main_~this_sink~0 0) (= ULTIMATE.start_main_~q~0 0))) [2018-10-24 17:13:06,916 INFO L425 ceAbstractionStarter]: For program point L23-4(lines 23 339) no Hoare annotation was computed. [2018-10-24 17:13:06,916 INFO L425 ceAbstractionStarter]: For program point L304(lines 304 315) no Hoare annotation was computed. [2018-10-24 17:13:06,916 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 253) no Hoare annotation was computed. [2018-10-24 17:13:06,916 INFO L425 ceAbstractionStarter]: For program point L172(lines 172 183) no Hoare annotation was computed. [2018-10-24 17:13:06,917 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 121) no Hoare annotation was computed. [2018-10-24 17:13:06,917 INFO L425 ceAbstractionStarter]: For program point L40(lines 40 42) no Hoare annotation was computed. [2018-10-24 17:13:06,917 INFO L425 ceAbstractionStarter]: For program point L288(lines 288 299) no Hoare annotation was computed. [2018-10-24 17:13:06,917 INFO L425 ceAbstractionStarter]: For program point L222(lines 222 237) no Hoare annotation was computed. [2018-10-24 17:13:06,917 INFO L425 ceAbstractionStarter]: For program point L156(lines 156 167) no Hoare annotation was computed. [2018-10-24 17:13:06,917 INFO L425 ceAbstractionStarter]: For program point L272(lines 272 283) no Hoare annotation was computed. [2018-10-24 17:13:06,917 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 151) no Hoare annotation was computed. [2018-10-24 17:13:06,918 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 17:13:06,918 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 267) no Hoare annotation was computed. [2018-10-24 17:13:06,918 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 135) no Hoare annotation was computed. [2018-10-24 17:13:06,918 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 251) no Hoare annotation was computed. [2018-10-24 17:13:06,918 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 119) no Hoare annotation was computed. [2018-10-24 17:13:06,918 INFO L425 ceAbstractionStarter]: For program point L224(lines 224 235) no Hoare annotation was computed. [2018-10-24 17:13:06,918 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 94) no Hoare annotation was computed. [2018-10-24 17:13:06,919 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 343) no Hoare annotation was computed. [2018-10-24 17:13:06,919 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 210) no Hoare annotation was computed. [2018-10-24 17:13:06,919 INFO L425 ceAbstractionStarter]: For program point L76(lines 76 78) no Hoare annotation was computed. [2018-10-24 17:13:06,919 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 326) no Hoare annotation was computed. [2018-10-24 17:13:06,919 INFO L425 ceAbstractionStarter]: For program point L192(lines 192 194) no Hoare annotation was computed. [2018-10-24 17:13:06,919 INFO L425 ceAbstractionStarter]: For program point L60(lines 60 62) no Hoare annotation was computed. [2018-10-24 17:13:06,919 INFO L425 ceAbstractionStarter]: For program point L308(lines 308 310) no Hoare annotation was computed. [2018-10-24 17:13:06,919 INFO L425 ceAbstractionStarter]: For program point L176(lines 176 178) no Hoare annotation was computed. [2018-10-24 17:13:06,920 INFO L421 ceAbstractionStarter]: At program point L325(lines 13 344) the Hoare annotation is: false [2018-10-24 17:13:06,920 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 294) no Hoare annotation was computed. [2018-10-24 17:13:06,920 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 162) no Hoare annotation was computed. [2018-10-24 17:13:06,920 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 17:13:06,920 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 278) no Hoare annotation was computed. [2018-10-24 17:13:06,920 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 146) no Hoare annotation was computed. [2018-10-24 17:13:06,921 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 262) no Hoare annotation was computed. [2018-10-24 17:13:06,921 INFO L425 ceAbstractionStarter]: For program point L128(lines 128 130) no Hoare annotation was computed. [2018-10-24 17:13:06,921 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 246) no Hoare annotation was computed. [2018-10-24 17:13:06,921 INFO L425 ceAbstractionStarter]: For program point L112(lines 112 114) no Hoare annotation was computed. [2018-10-24 17:13:06,921 INFO L428 ceAbstractionStarter]: At program point L13(lines 13 344) the Hoare annotation is: true [2018-10-24 17:13:06,921 INFO L425 ceAbstractionStarter]: For program point L228(lines 228 230) no Hoare annotation was computed. [2018-10-24 17:13:06,922 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 17:13:06,922 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 52) no Hoare annotation was computed. [2018-10-24 17:13:06,922 INFO L425 ceAbstractionStarter]: For program point L34(lines 34 49) no Hoare annotation was computed. [2018-10-24 17:13:06,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 05:13:06 BoogieIcfgContainer [2018-10-24 17:13:06,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 17:13:06,938 INFO L168 Benchmark]: Toolchain (without parser) took 3857.35 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.6 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -659.2 MB). Peak memory consumption was 77.4 MB. Max. memory is 7.1 GB. [2018-10-24 17:13:06,939 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 17:13:06,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.87 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-24 17:13:06,941 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.02 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 17:13:06,941 INFO L168 Benchmark]: Boogie Preprocessor took 33.90 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 17:13:06,942 INFO L168 Benchmark]: RCFGBuilder took 1036.96 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -765.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2018-10-24 17:13:06,943 INFO L168 Benchmark]: TraceAbstraction took 2302.86 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 95.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. [2018-10-24 17:13:06,948 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 423.87 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 55.02 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.90 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1036.96 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -765.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2302.86 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 95.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 343]: 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: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((this_sink + 1 <= 0 || 1 <= this_sink) && 3 <= q) || (this_sink == 0 && q == 2)) || (this_sink == 0 && q == 0) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: ((this_sink + 1 <= 0 || 1 <= this_sink) && 3 <= q) || (this_sink == 0 && q == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 68 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 520 SDtfs, 190 SDslu, 262 SDs, 0 SdLazy, 88 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=5, 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, 7 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 12 NumberOfFragments, 51 HoareAnnotationTreeSize, 4 FomulaSimplifications, 34 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 7219 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 27/27 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...