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_oct.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCakeWithArray.bpl
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This is Ultimate 0.1.24-0302a3f
[2019-02-25 16:54:31,356 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2019-02-25 16:54:31,358 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
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[2019-02-25 16:54:31,371 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
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[2019-02-25 16:54:31,386 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2019-02-25 16:54:31,389 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-02-25 16:54:31,390 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
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[2019-02-25 16:54:31,395 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-02-25 16:54:31,396 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-02-25 16:54:31,397 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-02-25 16:54:31,403 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
[2019-02-25 16:54:31,417 INFO L110 SettingsManager]: Loading preferences was successful
[2019-02-25 16:54:31,417 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2019-02-25 16:54:31,418 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2019-02-25 16:54:31,419 INFO L133 SettingsManager]: * Show backtranslation warnings=false
[2019-02-25 16:54:31,419 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2019-02-25 16:54:31,419 INFO L133 SettingsManager]: * User list type=DISABLED
[2019-02-25 16:54:31,419 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true
[2019-02-25 16:54:31,420 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2019-02-25 16:54:31,420 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2019-02-25 16:54:31,420 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain
[2019-02-25 16:54:31,420 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain
[2019-02-25 16:54:31,420 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2019-02-25 16:54:31,421 INFO L133 SettingsManager]: * Interval Domain=false
[2019-02-25 16:54:31,421 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-02-25 16:54:31,421 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2019-02-25 16:54:31,422 INFO L133 SettingsManager]: * Use SBE=true
[2019-02-25 16:54:31,422 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-02-25 16:54:31,422 INFO L133 SettingsManager]: * sizeof long=4
[2019-02-25 16:54:31,422 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2019-02-25 16:54:31,422 INFO L133 SettingsManager]: * sizeof POINTER=4
[2019-02-25 16:54:31,423 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2019-02-25 16:54:31,423 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-02-25 16:54:31,423 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-02-25 16:54:31,423 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-02-25 16:54:31,423 INFO L133 SettingsManager]: * sizeof long double=12
[2019-02-25 16:54:31,423 INFO L133 SettingsManager]: * Check if freed pointer was valid=false
[2019-02-25 16:54:31,424 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-02-25 16:54:31,424 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-02-25 16:54:31,424 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-02-25 16:54:31,424 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2019-02-25 16:54:31,424 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-02-25 16:54:31,425 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-02-25 16:54:31,425 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-02-25 16:54:31,425 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-02-25 16:54:31,425 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN
[2019-02-25 16:54:31,426 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2019-02-25 16:54:31,426 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-02-25 16:54:31,426 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-02-25 16:54:31,426 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
[2019-02-25 16:54:31,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-02-25 16:54:31,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-02-25 16:54:31,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-02-25 16:54:31,481 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2019-02-25 16:54:31,481 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized
[2019-02-25 16:54:31,482 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCakeWithArray.bpl
[2019-02-25 16:54:31,483 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCakeWithArray.bpl'
[2019-02-25 16:54:31,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-02-25 16:54:31,519 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-02-25 16:54:31,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-02-25 16:54:31,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-02-25 16:54:31,520 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized
[2019-02-25 16:54:31,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:54:31" (1/1) ...
[2019-02-25 16:54:31,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:54:31" (1/1) ...
[2019-02-25 16:54:31,556 WARN L165 Inliner]: Program contained no entry procedure!
[2019-02-25 16:54:31,556 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start]
[2019-02-25 16:54:31,557 WARN L175 Inliner]: Fallback enabled. All procedures will be processed.
[2019-02-25 16:54:31,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-02-25 16:54:31,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-02-25 16:54:31,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-02-25 16:54:31,560 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2019-02-25 16:54:31,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:54:31" (1/1) ...
[2019-02-25 16:54:31,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:54:31" (1/1) ...
[2019-02-25 16:54:31,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:54:31" (1/1) ...
[2019-02-25 16:54:31,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:54:31" (1/1) ...
[2019-02-25 16:54:31,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:54:31" (1/1) ...
[2019-02-25 16:54:31,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:54:31" (1/1) ...
[2019-02-25 16:54:31,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:54:31" (1/1) ...
[2019-02-25 16:54:31,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-02-25 16:54:31,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-02-25 16:54:31,584 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-02-25 16:54:31,584 INFO L276 PluginConnector]: RCFGBuilder initialized
[2019-02-25 16:54:31,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:54:31" (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
[2019-02-25 16:54:31,656 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration
[2019-02-25 16:54:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-02-25 16:54:31,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-02-25 16:54:31,922 INFO L278 CfgBuilder]: Using library mode
[2019-02-25 16:54:31,923 INFO L286 CfgBuilder]: Removed 1 assue(true) statements.
[2019-02-25 16:54:31,924 INFO L202 PluginConnector]: Adding new model GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.02 04:54:31 BoogieIcfgContainer
[2019-02-25 16:54:31,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-02-25 16:54:31,925 INFO L113 PluginConnector]: ------------------------Abstract Interpretation----------------------------
[2019-02-25 16:54:31,925 INFO L271 PluginConnector]: Initializing Abstract Interpretation...
[2019-02-25 16:54:31,926 INFO L276 PluginConnector]: Abstract Interpretation initialized
[2019-02-25 16:54:31,927 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.02 04:54:31" (1/1) ...
[2019-02-25 16:54:31,982 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2)
[2019-02-25 16:54:32,617 INFO L263 AbstractInterpreter]: Some error location(s) were reachable
[2019-02-25 16:54:32,640 INFO L272 AbstractInterpreter]: Visited 9 different actions 12 times. Merged at 3 different actions 3 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 0 variables.
[2019-02-25 16:54:32,642 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation----------------------------
[2019-02-25 16:54:32,643 INFO L168 Benchmark]: Toolchain (without parser) took 1124.75 ms. Allocated memory is still 138.4 MB. Free memory was 104.8 MB in the beginning and 63.3 MB in the end (delta: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 7.1 GB.
[2019-02-25 16:54:32,647 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory is still 105.7 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2019-02-25 16:54:32,648 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.94 ms. Allocated memory is still 138.4 MB. Free memory was 104.8 MB in the beginning and 102.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
[2019-02-25 16:54:32,650 INFO L168 Benchmark]: Boogie Preprocessor took 23.22 ms. Allocated memory is still 138.4 MB. Free memory was 102.7 MB in the beginning and 101.8 MB in the end (delta: 880.8 kB). Peak memory consumption was 880.8 kB. Max. memory is 7.1 GB.
[2019-02-25 16:54:32,651 INFO L168 Benchmark]: RCFGBuilder took 340.99 ms. Allocated memory is still 138.4 MB. Free memory was 101.8 MB in the beginning and 92.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB.
[2019-02-25 16:54:32,654 INFO L168 Benchmark]: Abstract Interpretation took 717.05 ms. Allocated memory is still 138.4 MB. Free memory was 92.3 MB in the beginning and 63.3 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB.
[2019-02-25 16:54:32,663 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 138.4 MB. Free memory is still 105.7 MB. There was no memory consumed. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 38.94 ms. Allocated memory is still 138.4 MB. Free memory was 104.8 MB in the beginning and 102.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 23.22 ms. Allocated memory is still 138.4 MB. Free memory was 102.7 MB in the beginning and 101.8 MB in the end (delta: 880.8 kB). Peak memory consumption was 880.8 kB. Max. memory is 7.1 GB.
* RCFGBuilder took 340.99 ms. Allocated memory is still 138.4 MB. Free memory was 101.8 MB in the beginning and 92.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB.
* Abstract Interpretation took 717.05 ms. Allocated memory is still 138.4 MB. Free memory was 92.3 MB in the beginning and 63.3 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
- UnprovableResult [Line: 19]: Unable to prove that loop invariant is valid and assertion always holds
Unable to prove that loop invariant is valid and assertion always holds
Reason: abstract domain could reach this error location.
Possible FailurePath:
[L13] assume init >= 0;
[L15] m[cakeLeft] := init;
[L16] m[eat] := init / 2;
[L19] invariant cakeLeft == eat || (m[eat] + init / 2 <= m[cakeLeft] && m[eat] >= 0);
- UnprovableResult [Line: 25]: Unable to prove that assertion always holds
Unable to prove that assertion always holds
Reason: abstract domain could reach this error location.
Possible FailurePath:
[L13] assume init >= 0;
[L15] m[cakeLeft] := init;
[L16] m[eat] := init / 2;
[L19] invariant cakeLeft == eat || (m[eat] + init / 2 <= m[cakeLeft] && m[eat] >= 0);
[L24] COND TRUE cakeLeft != eat
[L25] assert m[cakeLeft] >= init / 2;
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...