java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/half.i_3.bpl


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This is Ultimate 0.1.23-d19836b
[2018-09-26 21:21:41,073 INFO  L170        SettingsManager]: Resetting all preferences to default values...
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[2018-09-26 21:21:41,127 INFO  L174        SettingsManager]: Resetting SmtParser preferences to default values
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[2018-09-26 21:21:41,130 INFO  L98         SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf
[2018-09-26 21:21:41,156 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-09-26 21:21:41,156 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-09-26 21:21:41,158 INFO  L131        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-09-26 21:21:41,158 INFO  L133        SettingsManager]:  * to procedures, called more than once=true
[2018-09-26 21:21:41,159 INFO  L131        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-09-26 21:21:41,159 INFO  L133        SettingsManager]:  * Create parallel compositions if possible=false
[2018-09-26 21:21:41,159 INFO  L133        SettingsManager]:  * Use SBE=true
[2018-09-26 21:21:41,160 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-09-26 21:21:41,160 INFO  L133        SettingsManager]:  * sizeof long=4
[2018-09-26 21:21:41,161 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-09-26 21:21:41,161 INFO  L133        SettingsManager]:  * sizeof POINTER=4
[2018-09-26 21:21:41,161 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-09-26 21:21:41,161 INFO  L133        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2018-09-26 21:21:41,161 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-09-26 21:21:41,162 INFO  L133        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2018-09-26 21:21:41,162 INFO  L133        SettingsManager]:  * sizeof long double=12
[2018-09-26 21:21:41,162 INFO  L133        SettingsManager]:  * Check if freed pointer was valid=false
[2018-09-26 21:21:41,162 INFO  L133        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2018-09-26 21:21:41,162 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-09-26 21:21:41,162 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2018-09-26 21:21:41,163 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-09-26 21:21:41,163 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2018-09-26 21:21:41,163 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-09-26 21:21:41,163 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-09-26 21:21:41,163 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2018-09-26 21:21:41,164 INFO  L133        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-09-26 21:21:41,164 INFO  L133        SettingsManager]:  * Trace refinement strategy=CAMEL
[2018-09-26 21:21:41,164 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2018-09-26 21:21:41,164 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-09-26 21:21:41,164 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-09-26 21:21:41,215 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-09-26 21:21:41,229 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-09-26 21:21:41,235 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-09-26 21:21:41,236 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2018-09-26 21:21:41,237 INFO  L276        PluginConnector]: Boogie PL CUP Parser initialized
[2018-09-26 21:21:41,238 INFO  L418   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/half.i_3.bpl
[2018-09-26 21:21:41,238 INFO  L111           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/half.i_3.bpl'
[2018-09-26 21:21:41,295 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-09-26 21:21:41,299 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2018-09-26 21:21:41,300 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-09-26 21:21:41,300 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-09-26 21:21:41,301 INFO  L276        PluginConnector]: Boogie Procedure Inliner initialized
[2018-09-26 21:21:41,321 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:41" (1/1) ...
[2018-09-26 21:21:41,333 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:41" (1/1) ...
[2018-09-26 21:21:41,340 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-09-26 21:21:41,341 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-09-26 21:21:41,341 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-09-26 21:21:41,341 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-09-26 21:21:41,352 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:41" (1/1) ...
[2018-09-26 21:21:41,353 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:41" (1/1) ...
[2018-09-26 21:21:41,353 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:41" (1/1) ...
[2018-09-26 21:21:41,354 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:41" (1/1) ...
[2018-09-26 21:21:41,356 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:41" (1/1) ...
[2018-09-26 21:21:41,358 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:41" (1/1) ...
[2018-09-26 21:21:41,359 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:41" (1/1) ...
[2018-09-26 21:21:41,361 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-09-26 21:21:41,361 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-09-26 21:21:41,362 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-09-26 21:21:41,362 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-09-26 21:21:41,363 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:41" (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
[2018-09-26 21:21:41,436 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-09-26 21:21:41,436 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-09-26 21:21:41,687 INFO  L346             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-09-26 21:21:41,687 INFO  L202        PluginConnector]: Adding new model half.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:21:41 BoogieIcfgContainer
[2018-09-26 21:21:41,688 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-09-26 21:21:41,689 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-09-26 21:21:41,689 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2018-09-26 21:21:41,694 INFO  L276        PluginConnector]: TraceAbstraction initialized
[2018-09-26 21:21:41,695 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:41" (1/2) ...
[2018-09-26 21:21:41,696 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@327d096a and model type half.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:21:41, skipping insertion in model container
[2018-09-26 21:21:41,696 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:21:41" (2/2) ...
[2018-09-26 21:21:41,698 INFO  L112   eAbstractionObserver]: Analyzing ICFG half.i_3.bpl
[2018-09-26 21:21:41,709 INFO  L137   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-09-26 21:21:41,719 INFO  L149   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2018-09-26 21:21:41,778 INFO  L133   ementStrategyFactory]: Using default assertion order modulation
[2018-09-26 21:21:41,779 INFO  L381      AbstractCegarLoop]: Interprodecural is true
[2018-09-26 21:21:41,779 INFO  L382      AbstractCegarLoop]: Hoare is true
[2018-09-26 21:21:41,779 INFO  L383      AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-09-26 21:21:41,780 INFO  L384      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2018-09-26 21:21:41,780 INFO  L385      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-09-26 21:21:41,780 INFO  L386      AbstractCegarLoop]: Difference is false
[2018-09-26 21:21:41,780 INFO  L387      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-09-26 21:21:41,780 INFO  L392      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-09-26 21:21:41,798 INFO  L276                IsEmpty]: Start isEmpty. Operand 7 states.
[2018-09-26 21:21:41,807 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2018-09-26 21:21:41,807 INFO  L367         BasicCegarLoop]: Found error trace
[2018-09-26 21:21:41,808 INFO  L375         BasicCegarLoop]: trace histogram [1, 1, 1, 1]
[2018-09-26 21:21:41,810 INFO  L423      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2018-09-26 21:21:41,816 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-09-26 21:21:41,817 INFO  L82        PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times
[2018-09-26 21:21:41,819 INFO  L227   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-09-26 21:21:41,821 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-09-26 21:21:41,882 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-09-26 21:21:41,883 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-09-26 21:21:41,883 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-09-26 21:21:41,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-09-26 21:21:42,303 WARN  L178               SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15
[2018-09-26 21:21:42,306 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-09-26 21:21:42,309 INFO  L313   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-09-26 21:21:42,309 INFO  L328   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-09-26 21:21:42,314 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-09-26 21:21:42,327 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-09-26 21:21:42,327 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-09-26 21:21:42,330 INFO  L87              Difference]: Start difference. First operand 7 states. Second operand 3 states.
[2018-09-26 21:21:42,356 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-09-26 21:21:42,356 INFO  L93              Difference]: Finished difference Result 11 states and 12 transitions.
[2018-09-26 21:21:42,357 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-09-26 21:21:42,358 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 4
[2018-09-26 21:21:42,358 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-09-26 21:21:42,368 INFO  L225             Difference]: With dead ends: 11
[2018-09-26 21:21:42,369 INFO  L226             Difference]: Without dead ends: 7
[2018-09-26 21:21:42,372 INFO  L605         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-09-26 21:21:42,391 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7 states.
[2018-09-26 21:21:42,407 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7.
[2018-09-26 21:21:42,408 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2018-09-26 21:21:42,409 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions.
[2018-09-26 21:21:42,411 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4
[2018-09-26 21:21:42,411 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-09-26 21:21:42,411 INFO  L480      AbstractCegarLoop]: Abstraction has 7 states and 7 transitions.
[2018-09-26 21:21:42,413 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-09-26 21:21:42,414 INFO  L276                IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions.
[2018-09-26 21:21:42,414 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2018-09-26 21:21:42,414 INFO  L367         BasicCegarLoop]: Found error trace
[2018-09-26 21:21:42,414 INFO  L375         BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1]
[2018-09-26 21:21:42,415 INFO  L423      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2018-09-26 21:21:42,415 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-09-26 21:21:42,415 INFO  L82        PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times
[2018-09-26 21:21:42,416 INFO  L227   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-09-26 21:21:42,416 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-09-26 21:21:42,417 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-09-26 21:21:42,417 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-09-26 21:21:42,417 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-09-26 21:21:42,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-09-26 21:21:42,770 WARN  L178               SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 10
[2018-09-26 21:21:42,772 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-09-26 21:21:42,772 INFO  L301   seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-09-26 21:21:42,772 INFO  L227   ckRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2018-09-26 21:21:42,788 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-09-26 21:21:42,807 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-09-26 21:21:42,813 INFO  L273         TraceCheckSpWp]: Computing forward predicates...
[2018-09-26 21:21:42,905 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-09-26 21:21:42,932 INFO  L313   seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-09-26 21:21:42,933 INFO  L328   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5
[2018-09-26 21:21:42,933 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-09-26 21:21:42,934 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-09-26 21:21:42,934 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2018-09-26 21:21:42,935 INFO  L87              Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states.
[2018-09-26 21:21:43,109 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-09-26 21:21:43,109 INFO  L93              Difference]: Finished difference Result 9 states and 10 transitions.
[2018-09-26 21:21:43,111 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2018-09-26 21:21:43,111 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 6
[2018-09-26 21:21:43,111 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-09-26 21:21:43,111 INFO  L225             Difference]: With dead ends: 9
[2018-09-26 21:21:43,111 INFO  L226             Difference]: Without dead ends: 0
[2018-09-26 21:21:43,112 INFO  L605         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2018-09-26 21:21:43,113 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2018-09-26 21:21:43,113 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2018-09-26 21:21:43,113 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2018-09-26 21:21:43,113 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2018-09-26 21:21:43,114 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6
[2018-09-26 21:21:43,114 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-09-26 21:21:43,114 INFO  L480      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2018-09-26 21:21:43,114 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-09-26 21:21:43,114 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2018-09-26 21:21:43,115 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2018-09-26 21:21:43,119 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2018-09-26 21:21:43,346 WARN  L178               SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 14
[2018-09-26 21:21:43,349 INFO  L426   ceAbstractionStarter]: For program point  ULTIMATE.startEXIT(lines 1 48)  no Hoare annotation was computed.
[2018-09-26 21:21:43,350 INFO  L426   ceAbstractionStarter]: For program point  ULTIMATE.startENTRY(lines 1 48)  no Hoare annotation was computed.
[2018-09-26 21:21:43,350 INFO  L426   ceAbstractionStarter]: For program point  ULTIMATE.startFINAL(lines 1 48)  no Hoare annotation was computed.
[2018-09-26 21:21:43,350 INFO  L422   ceAbstractionStarter]: At program point  L25(lines 25 36)  the Hoare annotation is:  (or (and (< 0 (* 2 ULTIMATE.start_main_~k~5)) (<= ULTIMATE.start_main_~i~5 1)) (and (= ULTIMATE.start_main_~i~5 0) (= ULTIMATE.start_main_~n~5 0)))
[2018-09-26 21:21:43,351 INFO  L422   ceAbstractionStarter]: At program point  L45(lines 22 45)  the Hoare annotation is:  (or (and (< 0 (* 2 ULTIMATE.start_main_~k~5)) (<= ULTIMATE.start_main_~i~5 1)) (and (= ULTIMATE.start_main_~i~5 0) (= ULTIMATE.start_main_~n~5 0)))
[2018-09-26 21:21:43,351 INFO  L426   ceAbstractionStarter]: For program point  ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 47)  no Hoare annotation was computed.
[2018-09-26 21:21:43,351 INFO  L422   ceAbstractionStarter]: At program point  L35(lines 35 46)  the Hoare annotation is:  false
[2018-09-26 21:21:43,366 INFO  L202        PluginConnector]: Adding new model half.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:21:43 BoogieIcfgContainer
[2018-09-26 21:21:43,366 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-09-26 21:21:43,367 INFO  L168              Benchmark]: Toolchain (without parser) took 2071.15 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: 76.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB.
[2018-09-26 21:21:43,369 INFO  L168              Benchmark]: Boogie PL CUP Parser took 0.21 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.
[2018-09-26 21:21:43,370 INFO  L168              Benchmark]: Boogie Procedure Inliner took 40.25 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.
[2018-09-26 21:21:43,370 INFO  L168              Benchmark]: Boogie Preprocessor took 20.24 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.
[2018-09-26 21:21:43,371 INFO  L168              Benchmark]: RCFGBuilder took 326.89 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB.
[2018-09-26 21:21:43,373 INFO  L168              Benchmark]: TraceAbstraction took 1676.79 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: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB.
[2018-09-26 21:21:43,378 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 0.21 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 40.25 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 20.24 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 326.89 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 1676.79 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: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 47]: 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: 22]: Loop Invariant
    Derived loop invariant: (0 < 2 * main_~k~5 && main_~i~5 <= 1) || (main_~i~5 == 0 && main_~n~5 == 0)
  - InvariantResult [Line: 35]: Loop Invariant
    Derived loop invariant: false
  - InvariantResult [Line: 25]: Loop Invariant
    Derived loop invariant: (0 < 2 * main_~k~5 && main_~i~5 <= 1) || (main_~i~5 == 0 && main_~n~5 == 0)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 7 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s 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, 0.0s 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, 3 LocationsWithAnnotation, 3 PreInvPairs, 7 NumberOfFragments, 35 HoareAnnotationTreeSize, 3 FomulaSimplifications, 38 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 507 SizeOfPredicates, 3 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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/half.i_3.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_21-21-43-398.csv
Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/half.i_3.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_21-21-43-398.csv
Received shutdown request...