java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/eureka_01.i_3.bpl


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


This is Ultimate 0.1.23-e6fd87c
[2018-07-25 13:24:40,947 INFO  L170        SettingsManager]: Resetting all preferences to default values...
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[2018-07-25 13:24:41,003 INFO  L98         SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf
[2018-07-25 13:24:41,011 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-07-25 13:24:41,011 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-07-25 13:24:41,013 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-07-25 13:24:41,013 INFO  L133        SettingsManager]:  * SMT solver=Internal_SMTInterpol
[2018-07-25 13:24:41,013 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-07-25 13:24:41,013 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=Craig_NestedInterpolation
[2018-07-25 13:24:41,013 INFO  L133        SettingsManager]:  * Use separate solver for trace checks=false
[2018-07-25 13:24:41,014 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-07-25 13:24:41,082 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-07-25 13:24:41,094 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-07-25 13:24:41,098 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-07-25 13:24:41,100 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2018-07-25 13:24:41,100 INFO  L276        PluginConnector]: Boogie PL CUP Parser initialized
[2018-07-25 13:24:41,101 INFO  L418   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/eureka_01.i_3.bpl
[2018-07-25 13:24:41,101 INFO  L111           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/eureka_01.i_3.bpl'
[2018-07-25 13:24:41,168 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-07-25 13:24:41,169 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2018-07-25 13:24:41,170 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-07-25 13:24:41,170 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-07-25 13:24:41,171 INFO  L276        PluginConnector]: Boogie Procedure Inliner initialized
[2018-07-25 13:24:41,189 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:41" (1/1) ...
[2018-07-25 13:24:41,214 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:41" (1/1) ...
[2018-07-25 13:24:41,224 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-07-25 13:24:41,225 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-07-25 13:24:41,225 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-07-25 13:24:41,225 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-07-25 13:24:41,237 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:41" (1/1) ...
[2018-07-25 13:24:41,237 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:41" (1/1) ...
[2018-07-25 13:24:41,244 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:41" (1/1) ...
[2018-07-25 13:24:41,245 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:41" (1/1) ...
[2018-07-25 13:24:41,261 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:41" (1/1) ...
[2018-07-25 13:24:41,267 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:41" (1/1) ...
[2018-07-25 13:24:41,269 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:41" (1/1) ...
[2018-07-25 13:24:41,275 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-07-25 13:24:41,275 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-07-25 13:24:41,276 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-07-25 13:24:41,276 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-07-25 13:24:41,282 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:41" (1/1) ...
[2018-07-25 13:24:41,371 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-07-25 13:24:41,371 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-07-25 13:24:41,686 INFO  L273             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-07-25 13:24:41,687 INFO  L202        PluginConnector]: Adding new model eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:24:41 BoogieIcfgContainer
[2018-07-25 13:24:41,687 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-07-25 13:24:41,689 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-07-25 13:24:41,689 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2018-07-25 13:24:41,693 INFO  L276        PluginConnector]: TraceAbstraction initialized
[2018-07-25 13:24:41,693 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:41" (1/2) ...
[2018-07-25 13:24:41,695 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1bf091 and model type eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:24:41, skipping insertion in model container
[2018-07-25 13:24:41,695 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:24:41" (2/2) ...
[2018-07-25 13:24:41,698 INFO  L112   eAbstractionObserver]: Analyzing ICFG eureka_01.i_3.bpl
[2018-07-25 13:24:41,709 INFO  L133   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2018-07-25 13:24:41,721 INFO  L145   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2018-07-25 13:24:41,777 INFO  L128   ementStrategyFactory]: Using default assertion order modulation
[2018-07-25 13:24:41,778 INFO  L374      AbstractCegarLoop]: Interprodecural is true
[2018-07-25 13:24:41,778 INFO  L375      AbstractCegarLoop]: Hoare is true
[2018-07-25 13:24:41,779 INFO  L376      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2018-07-25 13:24:41,779 INFO  L377      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2018-07-25 13:24:41,779 INFO  L378      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-07-25 13:24:41,779 INFO  L379      AbstractCegarLoop]: Difference is false
[2018-07-25 13:24:41,779 INFO  L380      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-07-25 13:24:41,780 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-07-25 13:24:41,798 INFO  L276                IsEmpty]: Start isEmpty. Operand 8 states.
[2018-07-25 13:24:41,810 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2018-07-25 13:24:41,811 INFO  L346         BasicCegarLoop]: Found error trace
[2018-07-25 13:24:41,812 INFO  L354         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2018-07-25 13:24:41,813 INFO  L415      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2018-07-25 13:24:41,820 INFO  L82        PathProgramCache]: Analyzing trace with hash 889539531, now seen corresponding path program 1 times
[2018-07-25 13:24:41,827 INFO  L69    tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-07-25 13:24:41,879 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-07-25 13:24:41,978 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-07-25 13:24:41,981 INFO  L309   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-07-25 13:24:41,982 INFO  L324   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-07-25 13:24:41,987 INFO  L451      AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-07-25 13:24:42,003 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-07-25 13:24:42,004 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2018-07-25 13:24:42,007 INFO  L87              Difference]: Start difference. First operand 8 states. Second operand 4 states.
[2018-07-25 13:24:42,116 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-07-25 13:24:42,116 INFO  L93              Difference]: Finished difference Result 18 states and 23 transitions.
[2018-07-25 13:24:42,117 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2018-07-25 13:24:42,122 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 6
[2018-07-25 13:24:42,123 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-07-25 13:24:42,133 INFO  L225             Difference]: With dead ends: 18
[2018-07-25 13:24:42,134 INFO  L226             Difference]: Without dead ends: 11
[2018-07-25 13:24:42,137 INFO  L574         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2018-07-25 13:24:42,155 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11 states.
[2018-07-25 13:24:42,172 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11.
[2018-07-25 13:24:42,174 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2018-07-25 13:24:42,174 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions.
[2018-07-25 13:24:42,176 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 6
[2018-07-25 13:24:42,176 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-07-25 13:24:42,177 INFO  L472      AbstractCegarLoop]: Abstraction has 11 states and 12 transitions.
[2018-07-25 13:24:42,177 INFO  L473      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-07-25 13:24:42,177 INFO  L276                IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions.
[2018-07-25 13:24:42,178 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2018-07-25 13:24:42,178 INFO  L346         BasicCegarLoop]: Found error trace
[2018-07-25 13:24:42,178 INFO  L354         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1]
[2018-07-25 13:24:42,179 INFO  L415      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2018-07-25 13:24:42,179 INFO  L82        PathProgramCache]: Analyzing trace with hash 1897191999, now seen corresponding path program 1 times
[2018-07-25 13:24:42,179 INFO  L69    tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-07-25 13:24:42,202 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-07-25 13:24:42,254 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-07-25 13:24:42,255 INFO  L309   seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-07-25 13:24:42,255 INFO  L324   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3
[2018-07-25 13:24:42,258 INFO  L451      AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-07-25 13:24:42,259 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-07-25 13:24:42,259 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2018-07-25 13:24:42,260 INFO  L87              Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 4 states.
[2018-07-25 13:24:42,321 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-07-25 13:24:42,322 INFO  L93              Difference]: Finished difference Result 11 states and 12 transitions.
[2018-07-25 13:24:42,323 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2018-07-25 13:24:42,323 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 10
[2018-07-25 13:24:42,323 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-07-25 13:24:42,323 INFO  L225             Difference]: With dead ends: 11
[2018-07-25 13:24:42,324 INFO  L226             Difference]: Without dead ends: 0
[2018-07-25 13:24:42,330 INFO  L574         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2018-07-25 13:24:42,330 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2018-07-25 13:24:42,331 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2018-07-25 13:24:42,331 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2018-07-25 13:24:42,331 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2018-07-25 13:24:42,335 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10
[2018-07-25 13:24:42,335 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-07-25 13:24:42,335 INFO  L472      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2018-07-25 13:24:42,335 INFO  L473      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-07-25 13:24:42,335 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2018-07-25 13:24:42,335 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2018-07-25 13:24:42,342 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2018-07-25 13:24:42,382 INFO  L418   ceAbstractionStarter]: At program point  ULTIMATE.startEXIT(lines 3 153)  the Hoare annotation is:  false
[2018-07-25 13:24:42,382 INFO  L425   ceAbstractionStarter]: At program point  ULTIMATE.startENTRY(lines 3 153)  the Hoare annotation is:  true
[2018-07-25 13:24:42,383 INFO  L418   ceAbstractionStarter]: At program point  L125(lines 125 142)  the Hoare annotation is:  (or (= 0 (select ULTIMATE.start_main_~distance~5 0)) (and (= ULTIMATE.start_main_~i~5 0) (<= ULTIMATE.start_main_~nodecount~5 0)))
[2018-07-25 13:24:42,383 INFO  L422   ceAbstractionStarter]: For program point  ULTIMATE.startFINAL(lines 3 153)  no Hoare annotation was computed.
[2018-07-25 13:24:42,383 INFO  L418   ceAbstractionStarter]: At program point  L122(lines 105 122)  the Hoare annotation is:  (or (= 0 (select ULTIMATE.start_main_~distance~5 0)) (= ULTIMATE.start_main_~i~5 0))
[2018-07-25 13:24:42,384 INFO  L418   ceAbstractionStarter]: At program point  L150(lines 114 150)  the Hoare annotation is:  (or (= 0 (select ULTIMATE.start_main_~distance~5 0)) (and (= ULTIMATE.start_main_~i~5 0) (<= ULTIMATE.start_main_~nodecount~5 0)))
[2018-07-25 13:24:42,384 INFO  L418   ceAbstractionStarter]: At program point  ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 152)  the Hoare annotation is:  false
[2018-07-25 13:24:42,384 INFO  L418   ceAbstractionStarter]: At program point  L141(lines 141 151)  the Hoare annotation is:  false
[2018-07-25 13:24:42,385 INFO  L418   ceAbstractionStarter]: At program point  L108(lines 108 115)  the Hoare annotation is:  (or (= 0 (select ULTIMATE.start_main_~distance~5 0)) (= ULTIMATE.start_main_~i~5 0))
[2018-07-25 13:24:42,396 INFO  L202        PluginConnector]: Adding new model eureka_01.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 01:24:42 BoogieIcfgContainer
[2018-07-25 13:24:42,397 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-07-25 13:24:42,398 INFO  L168              Benchmark]: Toolchain (without parser) took 1229.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB.
[2018-07-25 13:24:42,401 INFO  L168              Benchmark]: Boogie PL CUP Parser took 0.19 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.
[2018-07-25 13:24:42,403 INFO  L168              Benchmark]: Boogie Procedure Inliner took 54.26 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.
[2018-07-25 13:24:42,404 INFO  L168              Benchmark]: Boogie Preprocessor took 50.11 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.
[2018-07-25 13:24:42,405 INFO  L168              Benchmark]: RCFGBuilder took 412.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB.
[2018-07-25 13:24:42,406 INFO  L168              Benchmark]: TraceAbstraction took 708.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB.
[2018-07-25 13:24:42,411 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 0.19 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.
 * Boogie Procedure Inliner took 54.26 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.
 * Boogie Preprocessor took 50.11 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.
 * RCFGBuilder took 412.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 708.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 152]: 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: 105]: Loop Invariant
    Derived loop invariant: 0 == main_~distance~5[0] || main_~i~5 == 0
  - InvariantResult [Line: 114]: Loop Invariant
    Derived loop invariant: 0 == main_~distance~5[0] || (main_~i~5 == 0 && main_~nodecount~5 <= 0)
  - InvariantResult [Line: 108]: Loop Invariant
    Derived loop invariant: 0 == main_~distance~5[0] || main_~i~5 == 0
  - InvariantResult [Line: 125]: Loop Invariant
    Derived loop invariant: 0 == main_~distance~5[0] || (main_~i~5 == 0 && main_~nodecount~5 <= 0)
  - InvariantResult [Line: 141]: Loop Invariant
    Derived loop invariant: false
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 9 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 4 SDslu, 8 SDs, 0 SdLazy, 17 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=1, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 16 NumberOfFragments, 48 HoareAnnotationTreeSize, 8 FomulaSimplifications, 18 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 398 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/eureka_01.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-24-42-425.csv
Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/eureka_01.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_13-24-42-425.csv
Received shutdown request...