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/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8c3fbe1 [2018-10-22 15:46:28,614 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-22 15:46:28,617 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-22 15:46:28,632 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-22 15:46:28,633 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-22 15:46:28,636 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-22 15:46:28,637 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-22 15:46:28,639 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-22 15:46:28,641 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-22 15:46:28,642 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-22 15:46:28,643 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-22 15:46:28,643 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-22 15:46:28,644 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-22 15:46:28,645 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-22 15:46:28,646 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-22 15:46:28,647 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-22 15:46:28,648 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-22 15:46:28,652 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-22 15:46:28,654 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-22 15:46:28,655 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-22 15:46:28,656 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-22 15:46:28,658 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-22 15:46:28,660 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-22 15:46:28,669 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 [2018-10-22 15:46:28,697 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-22 15:46:28,697 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-22 15:46:28,700 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-22 15:46:28,700 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-22 15:46:28,701 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-22 15:46:28,701 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-22 15:46:28,701 INFO L133 SettingsManager]: * Use SBE=true [2018-10-22 15:46:28,702 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-22 15:46:28,702 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-22 15:46:28,702 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-22 15:46:28,702 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-22 15:46:28,702 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-22 15:46:28,703 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-22 15:46:28,705 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-22 15:46:28,706 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-22 15:46:28,706 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-22 15:46:28,706 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-22 15:46:28,706 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-22 15:46:28,706 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-22 15:46:28,707 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-22 15:46:28,707 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-22 15:46:28,707 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-22 15:46:28,707 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-22 15:46:28,707 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-22 15:46:28,708 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-22 15:46:28,709 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-22 15:46:28,710 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-22 15:46:28,710 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-22 15:46:28,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-22 15:46:28,798 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-22 15:46:28,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-22 15:46:28,804 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-22 15:46:28,805 INFO L276 PluginConnector]: CDTParser initialized [2018-10-22 15:46:28,805 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-10-22 15:46:28,869 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/db746488c/51b06544c04343c7a572dac9553b5744/FLAGeee896a81 [2018-10-22 15:46:29,337 INFO L298 CDTParser]: Found 1 translation units. [2018-10-22 15:46:29,338 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-10-22 15:46:29,344 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/db746488c/51b06544c04343c7a572dac9553b5744/FLAGeee896a81 [2018-10-22 15:46:29,359 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/db746488c/51b06544c04343c7a572dac9553b5744 [2018-10-22 15:46:29,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-22 15:46:29,372 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-22 15:46:29,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-22 15:46:29,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-22 15:46:29,377 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-22 15:46:29,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 03:46:29" (1/1) ... [2018-10-22 15:46:29,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7007d935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:29, skipping insertion in model container [2018-10-22 15:46:29,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 03:46:29" (1/1) ... [2018-10-22 15:46:29,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-22 15:46:29,416 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-22 15:46:29,587 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 15:46:29,591 INFO L189 MainTranslator]: Completed pre-run [2018-10-22 15:46:29,613 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 15:46:29,629 INFO L193 MainTranslator]: Completed translation [2018-10-22 15:46:29,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:29 WrapperNode [2018-10-22 15:46:29,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-22 15:46:29,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-22 15:46:29,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-22 15:46:29,631 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-22 15:46:29,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:29" (1/1) ... [2018-10-22 15:46:29,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:29" (1/1) ... [2018-10-22 15:46:29,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-22 15:46:29,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-22 15:46:29,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-22 15:46:29,669 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-22 15:46:29,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:29" (1/1) ... [2018-10-22 15:46:29,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:29" (1/1) ... [2018-10-22 15:46:29,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:29" (1/1) ... [2018-10-22 15:46:29,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:29" (1/1) ... [2018-10-22 15:46:29,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:29" (1/1) ... [2018-10-22 15:46:29,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:29" (1/1) ... [2018-10-22 15:46:29,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:29" (1/1) ... [2018-10-22 15:46:29,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-22 15:46:29,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-22 15:46:29,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-22 15:46:29,692 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-22 15:46:29,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:29" (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 [2018-10-22 15:46:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-22 15:46:29,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-22 15:46:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-22 15:46:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-22 15:46:30,192 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-22 15:46:30,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 03:46:30 BoogieIcfgContainer [2018-10-22 15:46:30,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-22 15:46:30,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-22 15:46:30,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-22 15:46:30,197 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-22 15:46:30,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 03:46:29" (1/3) ... [2018-10-22 15:46:30,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aad37cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 03:46:30, skipping insertion in model container [2018-10-22 15:46:30,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:29" (2/3) ... [2018-10-22 15:46:30,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aad37cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 03:46:30, skipping insertion in model container [2018-10-22 15:46:30,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 03:46:30" (3/3) ... [2018-10-22 15:46:30,201 INFO L112 eAbstractionObserver]: Analyzing ICFG MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-10-22 15:46:30,213 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-22 15:46:30,222 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-22 15:46:30,257 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-22 15:46:30,295 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-22 15:46:30,296 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-22 15:46:30,296 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-22 15:46:30,296 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-22 15:46:30,296 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-22 15:46:30,296 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-22 15:46:30,297 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-22 15:46:30,297 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-22 15:46:30,297 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-22 15:46:30,316 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-10-22 15:46:30,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-22 15:46:30,321 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:46:30,322 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:46:30,324 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:46:30,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:46:30,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1163643598, now seen corresponding path program 1 times [2018-10-22 15:46:30,333 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:46:30,333 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:46:30,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:46:30,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:46:30,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:46:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:46:30,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:46:30,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-22 15:46:30,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-22 15:46:30,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-22 15:46:30,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-22 15:46:30,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-22 15:46:30,605 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 6 states. [2018-10-22 15:46:30,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:46:30,855 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2018-10-22 15:46:30,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-22 15:46:30,857 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-10-22 15:46:30,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:46:30,872 INFO L225 Difference]: With dead ends: 50 [2018-10-22 15:46:30,872 INFO L226 Difference]: Without dead ends: 26 [2018-10-22 15:46:30,876 INFO L605 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 [2018-10-22 15:46:30,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-10-22 15:46:30,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-10-22 15:46:30,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-10-22 15:46:30,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2018-10-22 15:46:30,928 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 16 [2018-10-22 15:46:30,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:46:30,929 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2018-10-22 15:46:30,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-22 15:46:30,929 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2018-10-22 15:46:30,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-22 15:46:30,931 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:46:30,931 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] [2018-10-22 15:46:30,931 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:46:30,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:46:30,933 INFO L82 PathProgramCache]: Analyzing trace with hash 661659824, now seen corresponding path program 1 times [2018-10-22 15:46:30,933 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:46:30,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:46:30,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:46:30,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:46:30,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:46:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:46:31,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:46:31,397 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:46:31,397 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-22 15:46:31,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:46:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:46:31,457 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:46:31,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:46:31,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-22 15:46:31,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 9 [2018-10-22 15:46:31,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-22 15:46:31,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-22 15:46:31,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-10-22 15:46:31,739 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 9 states. [2018-10-22 15:46:32,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:46:32,078 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2018-10-22 15:46:32,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-22 15:46:32,079 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-10-22 15:46:32,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:46:32,082 INFO L225 Difference]: With dead ends: 37 [2018-10-22 15:46:32,082 INFO L226 Difference]: Without dead ends: 35 [2018-10-22 15:46:32,084 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-10-22 15:46:32,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-10-22 15:46:32,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2018-10-22 15:46:32,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-10-22 15:46:32,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2018-10-22 15:46:32,098 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 21 [2018-10-22 15:46:32,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:46:32,098 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2018-10-22 15:46:32,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-22 15:46:32,099 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-10-22 15:46:32,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-22 15:46:32,101 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:46:32,101 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] [2018-10-22 15:46:32,102 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:46:32,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:46:32,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1527228613, now seen corresponding path program 1 times [2018-10-22 15:46:32,102 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:46:32,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:46:32,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:46:32,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:46:32,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:46:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:46:32,349 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-22 15:46:32,350 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:46:32,350 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-22 15:46:32,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:46:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:46:32,408 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:46:32,939 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-22 15:46:32,963 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-22 15:46:32,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2018-10-22 15:46:32,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-22 15:46:32,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-22 15:46:32,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-10-22 15:46:32,965 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 14 states. [2018-10-22 15:46:33,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:46:33,440 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2018-10-22 15:46:33,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-22 15:46:33,444 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 35 [2018-10-22 15:46:33,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:46:33,445 INFO L225 Difference]: With dead ends: 41 [2018-10-22 15:46:33,445 INFO L226 Difference]: Without dead ends: 0 [2018-10-22 15:46:33,446 INFO L605 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 [2018-10-22 15:46:33,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-22 15:46:33,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-22 15:46:33,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-22 15:46:33,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-22 15:46:33,447 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2018-10-22 15:46:33,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:46:33,448 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-22 15:46:33,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-22 15:46:33,448 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-22 15:46:33,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-22 15:46:33,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-22 15:46:33,664 INFO L425 ceAbstractionStarter]: For program point L35-3(lines 35 39) no Hoare annotation was computed. [2018-10-22 15:46:33,665 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)) [2018-10-22 15:46:33,665 INFO L425 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-10-22 15:46:33,665 INFO L428 ceAbstractionStarter]: At program point L40(lines 11 42) the Hoare annotation is: true [2018-10-22 15:46:33,665 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)) [2018-10-22 15:46:33,665 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)) [2018-10-22 15:46:33,665 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-22 15:46:33,666 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-22 15:46:33,666 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-22 15:46:33,666 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-10-22 15:46:33,666 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 11 42) no Hoare annotation was computed. [2018-10-22 15:46:33,666 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-22 15:46:33,666 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2018-10-22 15:46:33,666 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-22 15:46:33,666 INFO L425 ceAbstractionStarter]: For program point L25(lines 11 42) no Hoare annotation was computed. [2018-10-22 15:46:33,666 INFO L425 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-10-22 15:46:33,667 INFO L425 ceAbstractionStarter]: For program point L26(lines 11 42) no Hoare annotation was computed. [2018-10-22 15:46:33,667 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-22 15:46:33,667 INFO L425 ceAbstractionStarter]: For program point L35-1(lines 35 39) no Hoare annotation was computed. [2018-10-22 15:46:33,667 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-10-22 15:46:33,667 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-10-22 15:46:33,667 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-10-22 15:46:33,668 INFO L425 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-10-22 15:46:33,668 INFO L425 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-10-22 15:46:33,668 INFO L425 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-10-22 15:46:33,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 03:46:33 BoogieIcfgContainer [2018-10-22 15:46:33,682 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-22 15:46:33,683 INFO L168 Benchmark]: Toolchain (without parser) took 4312.11 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.0 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -628.0 MB). Peak memory consumption was 115.9 MB. Max. memory is 7.1 GB. [2018-10-22 15:46:33,685 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-10-22 15:46:33,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.56 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. [2018-10-22 15:46:33,687 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.45 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. [2018-10-22 15:46:33,687 INFO L168 Benchmark]: Boogie Preprocessor took 22.81 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. [2018-10-22 15:46:33,688 INFO L168 Benchmark]: RCFGBuilder took 500.75 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -797.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2018-10-22 15:46:33,689 INFO L168 Benchmark]: TraceAbstraction took 3488.22 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 158.5 MB). Peak memory consumption was 158.5 MB. Max. memory is 7.1 GB. [2018-10-22 15:46:33,694 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 257.56 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 37.45 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 22.81 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 500.75 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -797.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3488.22 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 158.5 MB). Peak memory consumption was 158.5 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, 3.3s 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, 1.5s 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, 0.1s SatisfiabilityAnalysisTime, 1.6s 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...