java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-WithArrays.bpl


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This is Ultimate 0.1.24-0302a3f
[2019-02-25 16:09:01,291 INFO  L170        SettingsManager]: Resetting all preferences to default values...
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[2019-02-25 16:09:01,341 INFO  L98         SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf
[2019-02-25 16:09:01,354 INFO  L110        SettingsManager]: Loading preferences was successful
[2019-02-25 16:09:01,354 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2019-02-25 16:09:01,355 INFO  L131        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2019-02-25 16:09:01,355 INFO  L133        SettingsManager]:  * Show backtranslation warnings=false
[2019-02-25 16:09:01,356 INFO  L131        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2019-02-25 16:09:01,356 INFO  L133        SettingsManager]:  * User list type=DISABLED
[2019-02-25 16:09:01,356 INFO  L133        SettingsManager]:  * Inline calls to unimplemented procedures=true
[2019-02-25 16:09:01,356 INFO  L131        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2019-02-25 16:09:01,356 INFO  L133        SettingsManager]:  * Explicit value domain=true
[2019-02-25 16:09:01,357 INFO  L133        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2019-02-25 16:09:01,357 INFO  L133        SettingsManager]:  * Octagon Domain=false
[2019-02-25 16:09:01,357 INFO  L133        SettingsManager]:  * Abstract domain=ArrayDomain
[2019-02-25 16:09:01,357 INFO  L133        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2019-02-25 16:09:01,357 INFO  L133        SettingsManager]:  * Interval Domain=false
[2019-02-25 16:09:01,358 INFO  L131        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-02-25 16:09:01,358 INFO  L133        SettingsManager]:  * Create parallel compositions if possible=false
[2019-02-25 16:09:01,359 INFO  L133        SettingsManager]:  * Use SBE=true
[2019-02-25 16:09:01,359 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-02-25 16:09:01,359 INFO  L133        SettingsManager]:  * sizeof long=4
[2019-02-25 16:09:01,359 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-02-25 16:09:01,360 INFO  L133        SettingsManager]:  * sizeof POINTER=4
[2019-02-25 16:09:01,360 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2019-02-25 16:09:01,360 INFO  L133        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-02-25 16:09:01,360 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-02-25 16:09:01,360 INFO  L133        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-02-25 16:09:01,361 INFO  L133        SettingsManager]:  * sizeof long double=12
[2019-02-25 16:09:01,361 INFO  L133        SettingsManager]:  * Check if freed pointer was valid=false
[2019-02-25 16:09:01,361 INFO  L133        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-02-25 16:09:01,361 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-02-25 16:09:01,361 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-02-25 16:09:01,362 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-02-25 16:09:01,362 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-02-25 16:09:01,362 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-02-25 16:09:01,362 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-02-25 16:09:01,363 INFO  L133        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-02-25 16:09:01,363 INFO  L133        SettingsManager]:  * Trace refinement strategy=TAIPAN
[2019-02-25 16:09:01,363 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-02-25 16:09:01,363 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-02-25 16:09:01,363 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-02-25 16:09:01,364 INFO  L133        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
[2019-02-25 16:09:01,411 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-02-25 16:09:01,426 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-02-25 16:09:01,431 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-02-25 16:09:01,433 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2019-02-25 16:09:01,433 INFO  L276        PluginConnector]: Boogie PL CUP Parser initialized
[2019-02-25 16:09:01,434 INFO  L418   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-WithArrays.bpl
[2019-02-25 16:09:01,434 INFO  L111           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-WithArrays.bpl'
[2019-02-25 16:09:01,476 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-02-25 16:09:01,478 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-02-25 16:09:01,479 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-02-25 16:09:01,479 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-02-25 16:09:01,479 INFO  L276        PluginConnector]: Boogie Procedure Inliner initialized
[2019-02-25 16:09:01,497 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:01" (1/1) ...
[2019-02-25 16:09:01,507 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:01" (1/1) ...
[2019-02-25 16:09:01,514 WARN  L165                Inliner]: Program contained no entry procedure!
[2019-02-25 16:09:01,514 WARN  L168                Inliner]: Missing entry procedures: [ULTIMATE.start]
[2019-02-25 16:09:01,514 WARN  L175                Inliner]: Fallback enabled. All procedures will be processed.
[2019-02-25 16:09:01,517 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-02-25 16:09:01,518 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-02-25 16:09:01,518 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-02-25 16:09:01,518 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2019-02-25 16:09:01,530 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:01" (1/1) ...
[2019-02-25 16:09:01,531 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:01" (1/1) ...
[2019-02-25 16:09:01,532 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:01" (1/1) ...
[2019-02-25 16:09:01,532 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:01" (1/1) ...
[2019-02-25 16:09:01,536 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:01" (1/1) ...
[2019-02-25 16:09:01,543 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:01" (1/1) ...
[2019-02-25 16:09:01,544 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:01" (1/1) ...
[2019-02-25 16:09:01,546 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-02-25 16:09:01,546 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-02-25 16:09:01,547 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-02-25 16:09:01,547 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2019-02-25 16:09:01,551 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:01" (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
[2019-02-25 16:09:01,625 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration
[2019-02-25 16:09:01,626 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-02-25 16:09:01,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-02-25 16:09:01,782 INFO  L278             CfgBuilder]: Using library mode
[2019-02-25 16:09:01,783 INFO  L286             CfgBuilder]: Removed 1 assue(true) statements.
[2019-02-25 16:09:01,784 INFO  L202        PluginConnector]: Adding new model Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.02 04:09:01 BoogieIcfgContainer
[2019-02-25 16:09:01,784 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-02-25 16:09:01,785 INFO  L113        PluginConnector]: ------------------------Abstract Interpretation----------------------------
[2019-02-25 16:09:01,785 INFO  L271        PluginConnector]: Initializing Abstract Interpretation...
[2019-02-25 16:09:01,785 INFO  L276        PluginConnector]: Abstract Interpretation initialized
[2019-02-25 16:09:01,786 INFO  L185        PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.02 04:09:01" (1/1) ...
[2019-02-25 16:09:01,821 INFO  L101         FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2)
[2019-02-25 16:09:02,060 INFO  L263    AbstractInterpreter]: Some error location(s) were reachable
[2019-02-25 16:09:02,079 INFO  L272    AbstractInterpreter]: Visited 7 different actions 7 times. Never merged. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 0 variables.
[2019-02-25 16:09:02,081 INFO  L132        PluginConnector]: ------------------------ END Abstract Interpretation----------------------------
[2019-02-25 16:09:02,083 INFO  L168              Benchmark]: Toolchain (without parser) took 605.48 ms. Allocated memory is still 140.0 MB. Free memory was 106.3 MB in the beginning and 84.8 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB.
[2019-02-25 16:09:02,085 INFO  L168              Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2019-02-25 16:09:02,086 INFO  L168              Benchmark]: Boogie Procedure Inliner took 38.35 ms. Allocated memory is still 140.0 MB. Free memory was 106.3 MB in the beginning and 104.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB.
[2019-02-25 16:09:02,088 INFO  L168              Benchmark]: Boogie Preprocessor took 28.17 ms. Allocated memory is still 140.0 MB. Free memory was 104.6 MB in the beginning and 103.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB.
[2019-02-25 16:09:02,091 INFO  L168              Benchmark]: RCFGBuilder took 237.78 ms. Allocated memory is still 140.0 MB. Free memory was 103.3 MB in the beginning and 94.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB.
[2019-02-25 16:09:02,093 INFO  L168              Benchmark]: Abstract Interpretation took 296.34 ms. Allocated memory is still 140.0 MB. Free memory was 94.4 MB in the beginning and 84.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB.
[2019-02-25 16:09:02,099 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 140.0 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB.
 * Boogie Procedure Inliner took 38.35 ms. Allocated memory is still 140.0 MB. Free memory was 106.3 MB in the beginning and 104.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 28.17 ms. Allocated memory is still 140.0 MB. Free memory was 104.6 MB in the beginning and 103.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 237.78 ms. Allocated memory is still 140.0 MB. Free memory was 103.3 MB in the beginning and 94.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB.
 * Abstract Interpretation took 296.34 ms. Allocated memory is still 140.0 MB. Free memory was 94.4 MB in the beginning and 84.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
  - UnprovableResult [Line: 27]: Unable to prove that assertion always holds
    Unable to prove that assertion always holds
 Reason: abstract domain could reach this error location. 
Possible FailurePath: 
[L16]             assume x > y;
[L18]             a[x] := 0;
[L19]             a[y] := 1000;
[L26]  COND TRUE  a[x] == 1000
[L27]             assert a[y] <= 0;

RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...