java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/CountTillBound-Jupiter.bpl
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This is Ultimate 0.1.24-e1a14da
[2018-12-24 14:16:30,885 INFO L170 SettingsManager]: Resetting all preferences to default values...
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[2018-12-24 14:16:30,967 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf
[2018-12-24 14:16:30,992 INFO L110 SettingsManager]: Loading preferences was successful
[2018-12-24 14:16:30,992 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-12-24 14:16:30,993 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2018-12-24 14:16:30,994 INFO L133 SettingsManager]: * Show backtranslation warnings=false
[2018-12-24 14:16:30,995 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-12-24 14:16:30,995 INFO L133 SettingsManager]: * User list type=DISABLED
[2018-12-24 14:16:30,995 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true
[2018-12-24 14:16:30,995 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-12-24 14:16:30,996 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2018-12-24 14:16:30,996 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain
[2018-12-24 14:16:30,996 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain
[2018-12-24 14:16:30,996 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2018-12-24 14:16:30,996 INFO L133 SettingsManager]: * Interval Domain=false
[2018-12-24 14:16:30,998 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-12-24 14:16:30,998 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-12-24 14:16:30,998 INFO L133 SettingsManager]: * Use SBE=true
[2018-12-24 14:16:30,998 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-12-24 14:16:30,999 INFO L133 SettingsManager]: * sizeof long=4
[2018-12-24 14:16:30,999 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-12-24 14:16:30,999 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-12-24 14:16:30,999 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-12-24 14:16:31,000 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2018-12-24 14:16:31,002 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-12-24 14:16:31,002 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2018-12-24 14:16:31,002 INFO L133 SettingsManager]: * sizeof long double=12
[2018-12-24 14:16:31,003 INFO L133 SettingsManager]: * Check if freed pointer was valid=false
[2018-12-24 14:16:31,003 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2018-12-24 14:16:31,003 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-12-24 14:16:31,004 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-12-24 14:16:31,004 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-12-24 14:16:31,004 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-12-24 14:16:31,004 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-12-24 14:16:31,004 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-12-24 14:16:31,005 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-12-24 14:16:31,005 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN
[2018-12-24 14:16:31,005 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2018-12-24 14:16:31,005 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-12-24 14:16:31,005 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-12-24 14:16:31,006 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
[2018-12-24 14:16:31,062 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-12-24 14:16:31,078 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-12-24 14:16:31,084 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-12-24 14:16:31,086 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2018-12-24 14:16:31,087 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized
[2018-12-24 14:16:31,088 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/CountTillBound-Jupiter.bpl
[2018-12-24 14:16:31,088 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/CountTillBound-Jupiter.bpl'
[2018-12-24 14:16:31,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-12-24 14:16:31,129 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-12-24 14:16:31,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-12-24 14:16:31,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-12-24 14:16:31,130 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized
[2018-12-24 14:16:31,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:16:31" (1/1) ...
[2018-12-24 14:16:31,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:16:31" (1/1) ...
[2018-12-24 14:16:31,169 WARN L165 Inliner]: Program contained no entry procedure!
[2018-12-24 14:16:31,169 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start]
[2018-12-24 14:16:31,170 WARN L175 Inliner]: Fallback enabled. All procedures will be processed.
[2018-12-24 14:16:31,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-12-24 14:16:31,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-12-24 14:16:31,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-12-24 14:16:31,174 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-12-24 14:16:31,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:16:31" (1/1) ...
[2018-12-24 14:16:31,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:16:31" (1/1) ...
[2018-12-24 14:16:31,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:16:31" (1/1) ...
[2018-12-24 14:16:31,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:16:31" (1/1) ...
[2018-12-24 14:16:31,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:16:31" (1/1) ...
[2018-12-24 14:16:31,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:16:31" (1/1) ...
[2018-12-24 14:16:31,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:16:31" (1/1) ...
[2018-12-24 14:16:31,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-12-24 14:16:31,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-12-24 14:16:31,200 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-12-24 14:16:31,200 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-12-24 14:16:31,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:16:31" (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
[2018-12-24 14:16:31,281 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration
[2018-12-24 14:16:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2018-12-24 14:16:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2018-12-24 14:16:31,565 INFO L272 CfgBuilder]: Using library mode
[2018-12-24 14:16:31,566 INFO L280 CfgBuilder]: Removed 0 assue(true) statements.
[2018-12-24 14:16:31,566 INFO L202 PluginConnector]: Adding new model CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 02:16:31 BoogieIcfgContainer
[2018-12-24 14:16:31,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-12-24 14:16:31,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-12-24 14:16:31,568 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-12-24 14:16:31,573 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-12-24 14:16:31,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:16:31" (1/2) ...
[2018-12-24 14:16:31,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da30603 and model type CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 02:16:31, skipping insertion in model container
[2018-12-24 14:16:31,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 02:16:31" (2/2) ...
[2018-12-24 14:16:31,577 INFO L112 eAbstractionObserver]: Analyzing ICFG CountTillBound-Jupiter.bpl
[2018-12-24 14:16:31,589 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-12-24 14:16:31,600 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2018-12-24 14:16:31,620 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2018-12-24 14:16:31,659 INFO L382 AbstractCegarLoop]: Interprodecural is true
[2018-12-24 14:16:31,660 INFO L383 AbstractCegarLoop]: Hoare is true
[2018-12-24 14:16:31,660 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-12-24 14:16:31,660 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2018-12-24 14:16:31,660 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-12-24 14:16:31,660 INFO L387 AbstractCegarLoop]: Difference is false
[2018-12-24 14:16:31,660 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-12-24 14:16:31,661 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-12-24 14:16:31,677 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states.
[2018-12-24 14:16:31,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2018-12-24 14:16:31,684 INFO L394 BasicCegarLoop]: Found error trace
[2018-12-24 14:16:31,685 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1]
[2018-12-24 14:16:31,688 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]===
[2018-12-24 14:16:31,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2018-12-24 14:16:31,696 INFO L82 PathProgramCache]: Analyzing trace with hash 30176, now seen corresponding path program 1 times
[2018-12-24 14:16:31,699 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-12-24 14:16:31,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-24 14:16:31,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-24 14:16:31,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-24 14:16:31,760 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-12-24 14:16:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-24 14:16:31,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-24 14:16:31,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-24 14:16:31,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-12-24 14:16:31,859 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-12-24 14:16:31,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-12-24 14:16:31,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-12-24 14:16:31,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-12-24 14:16:31,880 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states.
[2018-12-24 14:16:31,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-24 14:16:31,952 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions.
[2018-12-24 14:16:31,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2018-12-24 14:16:31,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3
[2018-12-24 14:16:31,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-12-24 14:16:31,968 INFO L225 Difference]: With dead ends: 12
[2018-12-24 14:16:31,968 INFO L226 Difference]: Without dead ends: 6
[2018-12-24 14:16:31,972 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-12-24 14:16:31,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states.
[2018-12-24 14:16:32,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6.
[2018-12-24 14:16:32,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2018-12-24 14:16:32,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions.
[2018-12-24 14:16:32,013 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 7 transitions. Word has length 3
[2018-12-24 14:16:32,013 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-12-24 14:16:32,013 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 7 transitions.
[2018-12-24 14:16:32,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-12-24 14:16:32,014 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions.
[2018-12-24 14:16:32,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2018-12-24 14:16:32,014 INFO L394 BasicCegarLoop]: Found error trace
[2018-12-24 14:16:32,014 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2018-12-24 14:16:32,015 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]===
[2018-12-24 14:16:32,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2018-12-24 14:16:32,015 INFO L82 PathProgramCache]: Analyzing trace with hash 28758310, now seen corresponding path program 1 times
[2018-12-24 14:16:32,016 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-12-24 14:16:32,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-24 14:16:32,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-24 14:16:32,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-24 14:16:32,017 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-12-24 14:16:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-24 14:16:32,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-24 14:16:32,117 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-12-24 14:16:32,118 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION
[2018-12-24 14:16:32,119 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 6 with the following transitions:
[2018-12-24 14:16:32,124 INFO L207 CegarAbsIntRunner]: [0], [4], [10], [12], [13]
[2018-12-24 14:16:32,188 INFO L148 AbstractInterpreter]: Using domain ArrayDomain
[2018-12-24 14:16:32,188 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2)
[2018-12-24 14:16:32,402 INFO L266 AbstractInterpreter]: Error location(s) were unreachable
[2018-12-24 14:16:32,404 INFO L272 AbstractInterpreter]: Visited 5 different actions 46 times. Merged at 2 different actions 27 times. Widened at 2 different actions 19 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables.
[2018-12-24 14:16:32,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2018-12-24 14:16:32,410 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates
[2018-12-24 14:16:32,446 INFO L219 lantSequenceWeakener]: Could never weaken!
[2018-12-24 14:16:32,446 INFO L418 sIntCurrentIteration]: Unifying AI predicates
[2018-12-24 14:16:32,621 INFO L420 sIntCurrentIteration]: We unified 4 AI predicates to 4
[2018-12-24 14:16:32,621 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates
[2018-12-24 14:16:32,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2018-12-24 14:16:32,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 6
[2018-12-24 14:16:32,623 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-12-24 14:16:32,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-12-24 14:16:32,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-12-24 14:16:32,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2018-12-24 14:16:32,626 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. Second operand 5 states.
[2018-12-24 14:16:32,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-24 14:16:32,734 INFO L93 Difference]: Finished difference Result 9 states and 12 transitions.
[2018-12-24 14:16:32,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-12-24 14:16:32,734 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 5
[2018-12-24 14:16:32,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-12-24 14:16:32,735 INFO L225 Difference]: With dead ends: 9
[2018-12-24 14:16:32,735 INFO L226 Difference]: Without dead ends: 0
[2018-12-24 14:16:32,736 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2018-12-24 14:16:32,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2018-12-24 14:16:32,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2018-12-24 14:16:32,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2018-12-24 14:16:32,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2018-12-24 14:16:32,738 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5
[2018-12-24 14:16:32,738 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-12-24 14:16:32,738 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2018-12-24 14:16:32,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-12-24 14:16:32,738 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2018-12-24 14:16:32,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2018-12-24 14:16:32,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2018-12-24 14:16:33,053 WARN L181 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 21
[2018-12-24 14:16:33,298 WARN L181 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 13
[2018-12-24 14:16:33,301 INFO L448 ceAbstractionStarter]: For program point mainENTRY(lines 14 28) no Hoare annotation was computed.
[2018-12-24 14:16:33,302 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed.
[2018-12-24 14:16:33,302 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 14 28) no Hoare annotation was computed.
[2018-12-24 14:16:33,302 INFO L444 ceAbstractionStarter]: At program point L21-1(lines 21 24) the Hoare annotation is: (let ((.cse0 (* 2 main_y))) (and (<= .cse0 84) (<= 84 .cse0) (<= 2 (* 2 main_x)) (<= (+ main_x main_y) 142)))
[2018-12-24 14:16:33,303 INFO L444 ceAbstractionStarter]: At program point L19-1(lines 19 25) the Hoare annotation is: (let ((.cse1 (+ main_x main_y))) (or (let ((.cse0 (* 2 main_y))) (and (<= .cse0 84) (<= 84 .cse0) (<= 2 (* 2 main_x)) (<= .cse1 142))) (and (<= main_y (+ main_x 42)) (<= main_x 0) (<= 42 .cse1))))
[2018-12-24 14:16:33,303 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 14 28) no Hoare annotation was computed.
[2018-12-24 14:16:33,303 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONASSERT(line 27) no Hoare annotation was computed.
[2018-12-24 14:16:33,311 INFO L202 PluginConnector]: Adding new model CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 02:16:33 BoogieIcfgContainer
[2018-12-24 14:16:33,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-12-24 14:16:33,313 INFO L168 Benchmark]: Toolchain (without parser) took 2185.03 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB.
[2018-12-24 14:16:33,315 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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.
[2018-12-24 14:16:33,316 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.22 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.
[2018-12-24 14:16:33,317 INFO L168 Benchmark]: Boogie Preprocessor took 25.76 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.
[2018-12-24 14:16:33,317 INFO L168 Benchmark]: RCFGBuilder took 367.32 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB.
[2018-12-24 14:16:33,319 INFO L168 Benchmark]: TraceAbstraction took 1744.22 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB.
[2018-12-24 14:16:33,324 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* Boogie PL CUP Parser took 0.23 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 Procedure Inliner took 43.22 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 25.76 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 367.32 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1744.22 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 27]: assertion always holds
For all program executions holds that assertion always holds at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 19]: Loop Invariant
Derived loop invariant: (((2 * y <= 84 && 84 <= 2 * y) && 2 <= 2 * x) && x + y <= 142) || ((y <= x + 42 && x <= 0) && 42 <= x + y)
- InvariantResult [Line: 21]: Loop Invariant
Derived loop invariant: ((2 * y <= 84 && 84 <= 2 * y) && 2 <= 2 * x) && x + y <= 142
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 3 SDslu, 3 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 0.0 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 57 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 70 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...