java -Xmx8000000000 -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 ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 22:48:17,347 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 22:48:17,349 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 22:48:17,361 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 22:48:17,361 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 22:48:17,362 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 22:48:17,364 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 22:48:17,366 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 22:48:17,367 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 22:48:17,368 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 22:48:17,369 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 22:48:17,369 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 22:48:17,370 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 22:48:17,371 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 22:48:17,372 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 22:48:17,373 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 22:48:17,374 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 22:48:17,376 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 22:48:17,378 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 22:48:17,379 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 22:48:17,380 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 22:48:17,381 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 22:48:17,384 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-06 22:48:17,392 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-06 22:48:17,407 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 22:48:17,408 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 22:48:17,409 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 22:48:17,409 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 22:48:17,409 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 22:48:17,410 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 22:48:17,410 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 22:48:17,410 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 22:48:17,410 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 22:48:17,410 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 22:48:17,411 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 22:48:17,411 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 22:48:17,411 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 22:48:17,411 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 22:48:17,411 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 22:48:17,412 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 22:48:17,412 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 22:48:17,412 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 22:48:17,412 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 22:48:17,412 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 22:48:17,413 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 22:48:17,413 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 22:48:17,413 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 22:48:17,413 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 22:48:17,413 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 22:48:17,414 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 22:48:17,414 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 22:48:17,414 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 22:48:17,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 22:48:17,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 22:48:17,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 22:48:17,475 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 22:48:17,475 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 22:48:17,476 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-11-06 22:48:17,532 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02e997161/0985d06f776b4f0998c657f7b97a8f35/FLAGb1e45d9fa [2018-11-06 22:48:17,972 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 22:48:17,973 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-11-06 22:48:17,982 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02e997161/0985d06f776b4f0998c657f7b97a8f35/FLAGb1e45d9fa [2018-11-06 22:48:18,002 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02e997161/0985d06f776b4f0998c657f7b97a8f35 [2018-11-06 22:48:18,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 22:48:18,016 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 22:48:18,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 22:48:18,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 22:48:18,023 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 22:48:18,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:48:18" (1/1) ... [2018-11-06 22:48:18,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f80c201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:18, skipping insertion in model container [2018-11-06 22:48:18,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:48:18" (1/1) ... [2018-11-06 22:48:18,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 22:48:18,063 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 22:48:18,261 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 22:48:18,265 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 22:48:18,296 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 22:48:18,314 INFO L193 MainTranslator]: Completed translation [2018-11-06 22:48:18,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:18 WrapperNode [2018-11-06 22:48:18,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 22:48:18,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 22:48:18,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 22:48:18,317 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 22:48:18,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:18" (1/1) ... [2018-11-06 22:48:18,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:18" (1/1) ... [2018-11-06 22:48:18,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 22:48:18,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 22:48:18,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 22:48:18,361 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 22:48:18,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:18" (1/1) ... [2018-11-06 22:48:18,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:18" (1/1) ... [2018-11-06 22:48:18,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:18" (1/1) ... [2018-11-06 22:48:18,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:18" (1/1) ... [2018-11-06 22:48:18,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:18" (1/1) ... [2018-11-06 22:48:18,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:18" (1/1) ... [2018-11-06 22:48:18,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:18" (1/1) ... [2018-11-06 22:48:18,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 22:48:18,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 22:48:18,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 22:48:18,385 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 22:48:18,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:18" (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 [2018-11-06 22:48:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 22:48:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 22:48:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-06 22:48:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-06 22:48:18,941 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 22:48:18,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:48:18 BoogieIcfgContainer [2018-11-06 22:48:18,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 22:48:18,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 22:48:18,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 22:48:18,946 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 22:48:18,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:48:18" (1/3) ... [2018-11-06 22:48:18,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197a329c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:48:18, skipping insertion in model container [2018-11-06 22:48:18,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:18" (2/3) ... [2018-11-06 22:48:18,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197a329c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:48:18, skipping insertion in model container [2018-11-06 22:48:18,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:48:18" (3/3) ... [2018-11-06 22:48:18,950 INFO L112 eAbstractionObserver]: Analyzing ICFG MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-11-06 22:48:18,967 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 22:48:18,975 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 22:48:19,006 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 22:48:19,039 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 22:48:19,040 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 22:48:19,040 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 22:48:19,041 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 22:48:19,041 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 22:48:19,041 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 22:48:19,041 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 22:48:19,041 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 22:48:19,041 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 22:48:19,059 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-11-06 22:48:19,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-06 22:48:19,064 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:48:19,065 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:48:19,068 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:48:19,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:48:19,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1163643598, now seen corresponding path program 1 times [2018-11-06 22:48:19,076 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:48:19,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:48:19,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:48:19,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:48:19,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:48:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:48:19,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:48:19,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 22:48:19,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-06 22:48:19,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-06 22:48:19,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-06 22:48:19,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-06 22:48:19,362 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 6 states. [2018-11-06 22:48:19,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:48:19,654 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2018-11-06 22:48:19,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-06 22:48:19,656 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-11-06 22:48:19,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:48:19,664 INFO L225 Difference]: With dead ends: 50 [2018-11-06 22:48:19,664 INFO L226 Difference]: Without dead ends: 26 [2018-11-06 22:48:19,667 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-06 22:48:19,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-11-06 22:48:19,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-11-06 22:48:19,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-06 22:48:19,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2018-11-06 22:48:19,705 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 16 [2018-11-06 22:48:19,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:48:19,705 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2018-11-06 22:48:19,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-06 22:48:19,705 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2018-11-06 22:48:19,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-06 22:48:19,706 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:48:19,707 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] [2018-11-06 22:48:19,707 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:48:19,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:48:19,708 INFO L82 PathProgramCache]: Analyzing trace with hash 661659824, now seen corresponding path program 1 times [2018-11-06 22:48:19,708 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:48:19,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:48:19,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:48:19,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:48:19,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:48:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:48:20,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:48:20,048 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:48:20,048 INFO L225 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 [2018-11-06 22:48:20,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:48:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:48:20,113 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:48:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:48:20,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 22:48:20,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 9 [2018-11-06 22:48:20,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-06 22:48:20,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-06 22:48:20,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-06 22:48:20,241 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 9 states. [2018-11-06 22:48:20,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:48:20,602 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2018-11-06 22:48:20,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-06 22:48:20,603 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-11-06 22:48:20,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:48:20,605 INFO L225 Difference]: With dead ends: 37 [2018-11-06 22:48:20,606 INFO L226 Difference]: Without dead ends: 35 [2018-11-06 22:48:20,607 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-11-06 22:48:20,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-06 22:48:20,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2018-11-06 22:48:20,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-06 22:48:20,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2018-11-06 22:48:20,619 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 21 [2018-11-06 22:48:20,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:48:20,620 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2018-11-06 22:48:20,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-06 22:48:20,620 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-11-06 22:48:20,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-06 22:48:20,622 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:48:20,623 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:48:20,623 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:48:20,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:48:20,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1527228613, now seen corresponding path program 1 times [2018-11-06 22:48:20,624 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:48:20,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:48:20,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:48:20,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:48:20,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:48:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:48:20,874 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-06 22:48:20,875 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:48:20,875 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 22:48:20,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:48:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:48:20,915 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:48:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-06 22:48:21,473 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-06 22:48:21,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2018-11-06 22:48:21,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-06 22:48:21,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-06 22:48:21,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-06 22:48:21,477 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 14 states. [2018-11-06 22:48:21,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:48:21,887 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2018-11-06 22:48:21,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-06 22:48:21,891 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 35 [2018-11-06 22:48:21,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:48:21,892 INFO L225 Difference]: With dead ends: 41 [2018-11-06 22:48:21,892 INFO L226 Difference]: Without dead ends: 0 [2018-11-06 22:48:21,894 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2018-11-06 22:48:21,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-06 22:48:21,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-06 22:48:21,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-06 22:48:21,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-06 22:48:21,895 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2018-11-06 22:48:21,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:48:21,896 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-06 22:48:21,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-06 22:48:21,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-06 22:48:21,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-06 22:48:21,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-06 22:48:22,104 INFO L425 ceAbstractionStarter]: For program point L35-3(lines 35 39) no Hoare annotation was computed. [2018-11-06 22:48:22,104 INFO L421 ceAbstractionStarter]: At program point L35-4(lines 35 39) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~leader_len~0) (<= (+ (* 2 ULTIMATE.start_main_~ielen~0) ULTIMATE.start_main_~p~0) (+ ULTIMATE.start_main_~bufsize_0~0 (* 2 ULTIMATE.start_main_~i~0))) (<= 1 ULTIMATE.start_main_~p~0)) [2018-11-06 22:48:22,105 INFO L425 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-11-06 22:48:22,105 INFO L428 ceAbstractionStarter]: At program point L40(lines 11 42) the Hoare annotation is: true [2018-11-06 22:48:22,105 INFO L421 ceAbstractionStarter]: At program point L36(line 36) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~leader_len~0) (<= (+ ULTIMATE.start_main_~p~0 2) ULTIMATE.start_main_~bufsize_0~0) (<= (+ (* 2 ULTIMATE.start_main_~ielen~0) ULTIMATE.start_main_~p~0) (+ ULTIMATE.start_main_~bufsize_0~0 (* 2 ULTIMATE.start_main_~i~0))) (<= 1 ULTIMATE.start_main_~p~0)) [2018-11-06 22:48:22,105 INFO L421 ceAbstractionStarter]: At program point L36-1(line 36) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~leader_len~0) (<= (+ ULTIMATE.start_main_~p~0 2) ULTIMATE.start_main_~bufsize_0~0) (<= (+ (* 2 ULTIMATE.start_main_~ielen~0) ULTIMATE.start_main_~p~0) (+ ULTIMATE.start_main_~bufsize_0~0 (* 2 ULTIMATE.start_main_~i~0))) (<= 1 ULTIMATE.start_main_~p~0)) [2018-11-06 22:48:22,106 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-11-06 22:48:22,106 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-11-06 22:48:22,106 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-06 22:48:22,106 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-06 22:48:22,106 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 11 42) no Hoare annotation was computed. [2018-11-06 22:48:22,106 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-06 22:48:22,106 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2018-11-06 22:48:22,107 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-06 22:48:22,107 INFO L425 ceAbstractionStarter]: For program point L25(lines 11 42) no Hoare annotation was computed. [2018-11-06 22:48:22,107 INFO L425 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-11-06 22:48:22,107 INFO L425 ceAbstractionStarter]: For program point L26(lines 11 42) no Hoare annotation was computed. [2018-11-06 22:48:22,107 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-06 22:48:22,107 INFO L425 ceAbstractionStarter]: For program point L35-1(lines 35 39) no Hoare annotation was computed. [2018-11-06 22:48:22,108 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-06 22:48:22,108 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-06 22:48:22,108 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-06 22:48:22,108 INFO L425 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-06 22:48:22,108 INFO L425 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-06 22:48:22,108 INFO L425 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-06 22:48:22,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:48:22 BoogieIcfgContainer [2018-11-06 22:48:22,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 22:48:22,126 INFO L168 Benchmark]: Toolchain (without parser) took 4111.10 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.9 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -618.8 MB). Peak memory consumption was 124.1 MB. Max. memory is 7.1 GB. [2018-11-06 22:48:22,129 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-11-06 22:48:22,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.29 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. [2018-11-06 22:48:22,131 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.37 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. [2018-11-06 22:48:22,132 INFO L168 Benchmark]: Boogie Preprocessor took 23.56 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. [2018-11-06 22:48:22,133 INFO L168 Benchmark]: RCFGBuilder took 557.16 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -786.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2018-11-06 22:48:22,135 INFO L168 Benchmark]: TraceAbstraction took 3182.74 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: 157.3 MB). Peak memory consumption was 157.3 MB. Max. memory is 7.1 GB. [2018-11-06 22:48:22,144 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 298.29 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 44.37 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 23.56 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 557.16 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -786.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3182.74 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: 157.3 MB). Peak memory consumption was 157.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 35]: Loop Invariant Derived loop invariant: (1 <= leader_len && 2 * ielen + p <= bufsize_0 + 2 * i) && 1 <= p - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 3 OverallIterations, 4 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 65 SDtfs, 51 SDslu, 302 SDs, 0 SdLazy, 246 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=2, 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, 5 LocationsWithAnnotation, 12 PreInvPairs, 24 NumberOfFragments, 66 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 156 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 11873 SizeOfPredicates, 10 NumberOfNonLiveVariables, 117 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 34/48 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...