java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c


--------------------------------------------------------------------------------


This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 21:06:14,563 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-13 21:06:14,565 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 21:06:14,578 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 21:06:14,578 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 21:06:14,579 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 21:06:14,581 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2019-10-13 21:06:14,593 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 21:06:14,594 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 21:06:14,596 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2019-10-13 21:06:14,600 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 21:06:14,601 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 21:06:14,602 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 21:06:14,603 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2019-10-13 21:06:14,616 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-13 21:06:14,618 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-10-13 21:06:14,634 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-13 21:06:14,634 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 21:06:14,635 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 21:06:14,635 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-13 21:06:14,636 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-10-13 21:06:14,636 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 21:06:14,636 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-13 21:06:14,636 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-13 21:06:14,637 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-13 21:06:14,637 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-13 21:06:14,637 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 21:06:14,637 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 21:06:14,638 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 21:06:14,638 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-13 21:06:14,638 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-13 21:06:14,638 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-13 21:06:14,638 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-13 21:06:14,639 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 21:06:14,639 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-13 21:06:14,639 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-13 21:06:14,639 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-10-13 21:06:14,640 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 21:06:14,640 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 21:06:14,641 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 21:06:14,642 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 21:06:14,642 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-10-13 21:06:14,642 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 21:06:14,642 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 21:06:14,642 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES
[2019-10-13 21:06:14,936 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 21:06:14,956 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 21:06:14,960 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 21:06:14,961 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-13 21:06:14,962 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-13 21:06:14,962 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c
[2019-10-13 21:06:15,036 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cad3b72b3/04f3104dafa349d18ac98defdc0597e9/FLAGe6615a353
[2019-10-13 21:06:15,537 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-13 21:06:15,537 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c
[2019-10-13 21:06:15,547 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cad3b72b3/04f3104dafa349d18ac98defdc0597e9/FLAGe6615a353
[2019-10-13 21:06:15,956 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cad3b72b3/04f3104dafa349d18ac98defdc0597e9
[2019-10-13 21:06:15,967 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 21:06:15,969 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 21:06:15,970 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 21:06:15,970 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 21:06:15,975 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 21:06:15,976 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:06:15" (1/1) ...
[2019-10-13 21:06:15,979 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c306fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:15, skipping insertion in model container
[2019-10-13 21:06:15,980 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:06:15" (1/1) ...
[2019-10-13 21:06:15,987 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-13 21:06:16,006 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-13 21:06:16,190 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 21:06:16,195 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-13 21:06:16,213 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 21:06:16,224 INFO  L192         MainTranslator]: Completed translation
[2019-10-13 21:06:16,224 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:16 WrapperNode
[2019-10-13 21:06:16,224 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 21:06:16,225 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 21:06:16,225 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 21:06:16,225 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 21:06:16,319 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:16" (1/1) ...
[2019-10-13 21:06:16,320 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:16" (1/1) ...
[2019-10-13 21:06:16,325 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:16" (1/1) ...
[2019-10-13 21:06:16,326 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:16" (1/1) ...
[2019-10-13 21:06:16,335 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:16" (1/1) ...
[2019-10-13 21:06:16,338 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:16" (1/1) ...
[2019-10-13 21:06:16,344 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:16" (1/1) ...
[2019-10-13 21:06:16,345 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 21:06:16,346 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 21:06:16,346 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 21:06:16,346 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-13 21:06:16,347 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:16" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 21:06:16,406 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 21:06:16,406 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 21:06:16,407 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 21:06:16,407 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 21:06:16,407 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assume
[2019-10-13 21:06:16,407 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2019-10-13 21:06:16,407 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 21:06:16,408 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-13 21:06:16,408 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 21:06:16,408 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 21:06:16,632 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 21:06:16,632 INFO  L284             CfgBuilder]: Removed 0 assume(true) statements.
[2019-10-13 21:06:16,634 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:06:16 BoogieIcfgContainer
[2019-10-13 21:06:16,634 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 21:06:16,642 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 21:06:16,642 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 21:06:16,647 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-10-13 21:06:16,648 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:06:15" (1/3) ...
[2019-10-13 21:06:16,649 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aaa7bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:06:16, skipping insertion in model container
[2019-10-13 21:06:16,649 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:16" (2/3) ...
[2019-10-13 21:06:16,650 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aaa7bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:06:16, skipping insertion in model container
[2019-10-13 21:06:16,650 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:06:16" (3/3) ...
[2019-10-13 21:06:16,652 INFO  L109   eAbstractionObserver]: Analyzing ICFG id_build.i.v+lhb-reducer.c
[2019-10-13 21:06:16,693 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 21:06:16,711 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations.
[2019-10-13 21:06:16,726 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2019-10-13 21:06:16,752 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-10-13 21:06:16,752 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-10-13 21:06:16,753 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 21:06:16,753 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 21:06:16,753 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 21:06:16,753 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-10-13 21:06:16,753 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 21:06:16,753 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 21:06:16,773 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states.
[2019-10-13 21:06:16,780 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2019-10-13 21:06:16,780 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 21:06:16,781 INFO  L380         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 21:06:16,783 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:06:16,793 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:06:16,793 INFO  L82        PathProgramCache]: Analyzing trace with hash 1077508024, now seen corresponding path program 1 times
[2019-10-13 21:06:16,804 INFO  L157   tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:06:16,804 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654539476]
[2019-10-13 21:06:16,805 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:06:16,805 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:06:16,805 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:06:16,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:06:16,970 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 21:06:16,971 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654539476]
[2019-10-13 21:06:16,972 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:06:16,972 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-10-13 21:06:16,972 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897726675]
[2019-10-13 21:06:16,976 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-10-13 21:06:16,977 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:06:16,988 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-10-13 21:06:16,989 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-10-13 21:06:16,991 INFO  L87              Difference]: Start difference. First operand 24 states. Second operand 4 states.
[2019-10-13 21:06:17,075 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:06:17,075 INFO  L93              Difference]: Finished difference Result 30 states and 35 transitions.
[2019-10-13 21:06:17,076 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-10-13 21:06:17,077 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 10
[2019-10-13 21:06:17,078 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:06:17,088 INFO  L225             Difference]: With dead ends: 30
[2019-10-13 21:06:17,088 INFO  L226             Difference]: Without dead ends: 18
[2019-10-13 21:06:17,092 INFO  L600         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
[2019-10-13 21:06:17,113 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2019-10-13 21:06:17,133 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2019-10-13 21:06:17,134 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 18 states.
[2019-10-13 21:06:17,135 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions.
[2019-10-13 21:06:17,137 INFO  L78                 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 10
[2019-10-13 21:06:17,137 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:06:17,138 INFO  L462      AbstractCegarLoop]: Abstraction has 18 states and 20 transitions.
[2019-10-13 21:06:17,138 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-10-13 21:06:17,138 INFO  L276                IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions.
[2019-10-13 21:06:17,139 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2019-10-13 21:06:17,139 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 21:06:17,139 INFO  L380         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 21:06:17,140 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:06:17,140 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:06:17,141 INFO  L82        PathProgramCache]: Analyzing trace with hash 398186682, now seen corresponding path program 1 times
[2019-10-13 21:06:17,141 INFO  L157   tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:06:17,141 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187731247]
[2019-10-13 21:06:17,141 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:06:17,142 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:06:17,142 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:06:17,155 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:06:17,223 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 21:06:17,225 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187731247]
[2019-10-13 21:06:17,225 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:06:17,225 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-10-13 21:06:17,226 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403864729]
[2019-10-13 21:06:17,229 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-10-13 21:06:17,235 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:06:17,236 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-10-13 21:06:17,236 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-10-13 21:06:17,237 INFO  L87              Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 4 states.
[2019-10-13 21:06:17,302 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:06:17,303 INFO  L93              Difference]: Finished difference Result 19 states and 21 transitions.
[2019-10-13 21:06:17,304 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2019-10-13 21:06:17,304 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 12
[2019-10-13 21:06:17,304 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:06:17,305 INFO  L225             Difference]: With dead ends: 19
[2019-10-13 21:06:17,305 INFO  L226             Difference]: Without dead ends: 17
[2019-10-13 21:06:17,307 INFO  L600         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
[2019-10-13 21:06:17,308 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2019-10-13 21:06:17,314 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16.
[2019-10-13 21:06:17,314 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 16 states.
[2019-10-13 21:06:17,316 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions.
[2019-10-13 21:06:17,316 INFO  L78                 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 12
[2019-10-13 21:06:17,316 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:06:17,317 INFO  L462      AbstractCegarLoop]: Abstraction has 16 states and 18 transitions.
[2019-10-13 21:06:17,317 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-10-13 21:06:17,317 INFO  L276                IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions.
[2019-10-13 21:06:17,319 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2019-10-13 21:06:17,319 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 21:06:17,319 INFO  L380         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 21:06:17,320 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:06:17,320 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:06:17,320 INFO  L82        PathProgramCache]: Analyzing trace with hash 405408254, now seen corresponding path program 1 times
[2019-10-13 21:06:17,321 INFO  L157   tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:06:17,322 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500067828]
[2019-10-13 21:06:17,323 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:06:17,323 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:06:17,324 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:06:17,361 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:06:17,462 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 21:06:17,463 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500067828]
[2019-10-13 21:06:17,463 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:06:17,463 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-10-13 21:06:17,464 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031756048]
[2019-10-13 21:06:17,464 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-10-13 21:06:17,465 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:06:17,465 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-10-13 21:06:17,465 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-10-13 21:06:17,466 INFO  L87              Difference]: Start difference. First operand 16 states and 18 transitions. Second operand 5 states.
[2019-10-13 21:06:17,628 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:06:17,628 INFO  L93              Difference]: Finished difference Result 25 states and 31 transitions.
[2019-10-13 21:06:17,630 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2019-10-13 21:06:17,630 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 14
[2019-10-13 21:06:17,631 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:06:17,631 INFO  L225             Difference]: With dead ends: 25
[2019-10-13 21:06:17,631 INFO  L226             Difference]: Without dead ends: 0
[2019-10-13 21:06:17,632 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2019-10-13 21:06:17,632 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-10-13 21:06:17,632 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-10-13 21:06:17,633 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-10-13 21:06:17,633 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-10-13 21:06:17,633 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14
[2019-10-13 21:06:17,633 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:06:17,633 INFO  L462      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-10-13 21:06:17,634 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-10-13 21:06:17,634 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-10-13 21:06:17,634 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2019-10-13 21:06:17,640 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2019-10-13 21:06:17,779 INFO  L443   ceAbstractionStarter]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2019-10-13 21:06:17,779 INFO  L446   ceAbstractionStarter]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  true
[2019-10-13 21:06:17,779 INFO  L443   ceAbstractionStarter]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2019-10-13 21:06:17,779 INFO  L443   ceAbstractionStarter]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2019-10-13 21:06:17,780 INFO  L446   ceAbstractionStarter]: At program point  L-1(line -1)  the Hoare annotation is:  true
[2019-10-13 21:06:17,780 INFO  L446   ceAbstractionStarter]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2019-10-13 21:06:17,780 INFO  L443   ceAbstractionStarter]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2019-10-13 21:06:17,780 INFO  L439   ceAbstractionStarter]: At program point  L64(lines 34 84)  the Hoare annotation is:  (let ((.cse0 (<= 0 main_~main__i~0)) (.cse1 (<= (+ main_~main__i~0 1) main_~main__nlen~0))) (or (and .cse0 (= main_~__VERIFIER_assert__cond~0 1) .cse1) (and .cse0 (not (= main_~__VERIFIER_assert__cond~2 0)) .cse1 (not (= main_~__VERIFIER_assert__cond~0 0)))))
[2019-10-13 21:06:17,781 INFO  L443   ceAbstractionStarter]: For program point  mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 59)  no Hoare annotation was computed.
[2019-10-13 21:06:17,781 INFO  L443   ceAbstractionStarter]: For program point  mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 30)  no Hoare annotation was computed.
[2019-10-13 21:06:17,782 INFO  L443   ceAbstractionStarter]: For program point  mainEXIT(lines 8 97)  no Hoare annotation was computed.
[2019-10-13 21:06:17,782 INFO  L443   ceAbstractionStarter]: For program point  L21(lines 21 91)  no Hoare annotation was computed.
[2019-10-13 21:06:17,782 INFO  L443   ceAbstractionStarter]: For program point  mainFINAL(lines 8 97)  no Hoare annotation was computed.
[2019-10-13 21:06:17,782 INFO  L443   ceAbstractionStarter]: For program point  L71(lines 71 80)  no Hoare annotation was computed.
[2019-10-13 21:06:17,782 INFO  L443   ceAbstractionStarter]: For program point  L30(line 30)  no Hoare annotation was computed.
[2019-10-13 21:06:17,783 INFO  L446   ceAbstractionStarter]: At program point  mainENTRY(lines 8 97)  the Hoare annotation is:  true
[2019-10-13 21:06:17,783 INFO  L443   ceAbstractionStarter]: For program point  L28(lines 28 84)  no Hoare annotation was computed.
[2019-10-13 21:06:17,783 INFO  L443   ceAbstractionStarter]: For program point  L59(line 59)  no Hoare annotation was computed.
[2019-10-13 21:06:17,783 INFO  L443   ceAbstractionStarter]: For program point  mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 43)  no Hoare annotation was computed.
[2019-10-13 21:06:17,783 INFO  L439   ceAbstractionStarter]: At program point  L90(lines 9 97)  the Hoare annotation is:  (<= 0 main_~main__i~0)
[2019-10-13 21:06:17,784 INFO  L443   ceAbstractionStarter]: For program point  L57(lines 57 65)  no Hoare annotation was computed.
[2019-10-13 21:06:17,784 INFO  L443   ceAbstractionStarter]: For program point  L43(line 43)  no Hoare annotation was computed.
[2019-10-13 21:06:17,784 INFO  L439   ceAbstractionStarter]: At program point  L74(lines 47 82)  the Hoare annotation is:  (and (<= 0 main_~main__i~0) (not (= main_~__VERIFIER_assert__cond~1 0)) (<= (+ main_~main__i~0 1) main_~main__nlen~0) (not (= main_~__VERIFIER_assert__cond~0 0)))
[2019-10-13 21:06:17,785 INFO  L443   ceAbstractionStarter]: For program point  L41(lines 41 82)  no Hoare annotation was computed.
[2019-10-13 21:06:17,808 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:06:17 BoogieIcfgContainer
[2019-10-13 21:06:17,808 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-10-13 21:06:17,812 INFO  L168              Benchmark]: Toolchain (without parser) took 1841.69 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 100.7 MB in the beginning and 103.4 MB in the end (delta: -2.8 MB). Peak memory consumption was 53.9 MB. Max. memory is 7.1 GB.
[2019-10-13 21:06:17,814 INFO  L168              Benchmark]: CDTParser took 1.23 ms. Allocated memory is still 144.2 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
[2019-10-13 21:06:17,816 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 254.59 ms. Allocated memory is still 144.2 MB. Free memory was 100.5 MB in the beginning and 90.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB.
[2019-10-13 21:06:17,818 INFO  L168              Benchmark]: Boogie Preprocessor took 120.58 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 90.2 MB in the beginning and 179.0 MB in the end (delta: -88.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
[2019-10-13 21:06:17,819 INFO  L168              Benchmark]: RCFGBuilder took 288.44 ms. Allocated memory is still 200.8 MB. Free memory was 179.0 MB in the beginning and 166.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB.
[2019-10-13 21:06:17,820 INFO  L168              Benchmark]: TraceAbstraction took 1166.55 ms. Allocated memory is still 200.8 MB. Free memory was 165.6 MB in the beginning and 103.4 MB in the end (delta: 62.1 MB). Peak memory consumption was 62.1 MB. Max. memory is 7.1 GB.
[2019-10-13 21:06:17,831 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 1.23 ms. Allocated memory is still 144.2 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 254.59 ms. Allocated memory is still 144.2 MB. Free memory was 100.5 MB in the beginning and 90.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 120.58 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 90.2 MB in the beginning and 179.0 MB in the end (delta: -88.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 288.44 ms. Allocated memory is still 200.8 MB. Free memory was 179.0 MB in the beginning and 166.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 1166.55 ms. Allocated memory is still 200.8 MB. Free memory was 165.6 MB in the beginning and 103.4 MB in the end (delta: 62.1 MB). Peak memory consumption was 62.1 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 43]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 59]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    3 specifications checked. All of them hold
  - InvariantResult [Line: 9]: Loop Invariant
    Derived loop invariant: 0 <= main__i
  - InvariantResult [Line: 47]: Loop Invariant
    Derived loop invariant: ((0 <= main__i && !(__VERIFIER_assert__cond == 0)) && main__i + 1 <= main__nlen) && !(__VERIFIER_assert__cond == 0)
  - InvariantResult [Line: 34]: Loop Invariant
    Derived loop invariant: ((0 <= main__i && __VERIFIER_assert__cond == 1) && main__i + 1 <= main__nlen) || (((0 <= main__i && !(__VERIFIER_assert__cond == 0)) && main__i + 1 <= main__nlen) && !(__VERIFIER_assert__cond == 0))
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 24 locations, 3 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 42 SDtfs, 52 SDslu, 54 SDs, 0 SdLazy, 54 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 54 HoareAnnotationTreeSize, 7 FomulaSimplifications, 156 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 984 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...