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_compound_exp_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCakeWithArray.bpl
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This is Ultimate 0.1.24-0ed9222-m
[2019-01-11 15:08:22,785 INFO L170 SettingsManager]: Resetting all preferences to default values...
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[2019-01-11 15:08:22,869 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf
[2019-01-11 15:08:22,897 INFO L110 SettingsManager]: Loading preferences was successful
[2019-01-11 15:08:22,897 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2019-01-11 15:08:22,898 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2019-01-11 15:08:22,898 INFO L133 SettingsManager]: * Show backtranslation warnings=false
[2019-01-11 15:08:22,899 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2019-01-11 15:08:22,899 INFO L133 SettingsManager]: * User list type=DISABLED
[2019-01-11 15:08:22,899 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true
[2019-01-11 15:08:22,900 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2019-01-11 15:08:22,900 INFO L133 SettingsManager]: * Explicit value domain=true
[2019-01-11 15:08:22,900 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2019-01-11 15:08:22,900 INFO L133 SettingsManager]: * Octagon Domain=false
[2019-01-11 15:08:22,901 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain
[2019-01-11 15:08:22,901 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2019-01-11 15:08:22,901 INFO L133 SettingsManager]: * Interval Domain=false
[2019-01-11 15:08:22,902 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-01-11 15:08:22,902 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2019-01-11 15:08:22,902 INFO L133 SettingsManager]: * Use SBE=true
[2019-01-11 15:08:22,902 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-01-11 15:08:22,903 INFO L133 SettingsManager]: * sizeof long=4
[2019-01-11 15:08:22,903 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2019-01-11 15:08:22,903 INFO L133 SettingsManager]: * sizeof POINTER=4
[2019-01-11 15:08:22,903 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2019-01-11 15:08:22,903 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-01-11 15:08:22,903 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-01-11 15:08:22,904 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-01-11 15:08:22,905 INFO L133 SettingsManager]: * sizeof long double=12
[2019-01-11 15:08:22,906 INFO L133 SettingsManager]: * Check if freed pointer was valid=false
[2019-01-11 15:08:22,906 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-01-11 15:08:22,906 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-01-11 15:08:22,906 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-01-11 15:08:22,907 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2019-01-11 15:08:22,908 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in -t:2000
[2019-01-11 15:08:22,908 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-01-11 15:08:22,908 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-01-11 15:08:22,908 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-01-11 15:08:22,908 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN
[2019-01-11 15:08:22,909 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2019-01-11 15:08:22,909 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in
[2019-01-11 15:08:22,909 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-01-11 15:08:22,909 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
[2019-01-11 15:08:22,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-01-11 15:08:22,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-01-11 15:08:22,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-01-11 15:08:22,974 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2019-01-11 15:08:22,975 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized
[2019-01-11 15:08:22,975 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCakeWithArray.bpl
[2019-01-11 15:08:22,976 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCakeWithArray.bpl'
[2019-01-11 15:08:23,008 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-01-11 15:08:23,009 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-01-11 15:08:23,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-01-11 15:08:23,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-01-11 15:08:23,010 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized
[2019-01-11 15:08:23,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:23" (1/1) ...
[2019-01-11 15:08:23,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:23" (1/1) ...
[2019-01-11 15:08:23,041 WARN L165 Inliner]: Program contained no entry procedure!
[2019-01-11 15:08:23,041 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start]
[2019-01-11 15:08:23,041 WARN L175 Inliner]: Fallback enabled. All procedures will be processed.
[2019-01-11 15:08:23,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-01-11 15:08:23,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-01-11 15:08:23,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-01-11 15:08:23,044 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2019-01-11 15:08:23,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:23" (1/1) ...
[2019-01-11 15:08:23,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:23" (1/1) ...
[2019-01-11 15:08:23,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:23" (1/1) ...
[2019-01-11 15:08:23,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:23" (1/1) ...
[2019-01-11 15:08:23,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:23" (1/1) ...
[2019-01-11 15:08:23,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:23" (1/1) ...
[2019-01-11 15:08:23,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:23" (1/1) ...
[2019-01-11 15:08:23,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-01-11 15:08:23,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-01-11 15:08:23,066 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-01-11 15:08:23,066 INFO L276 PluginConnector]: RCFGBuilder initialized
[2019-01-11 15:08:23,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:08:23" (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:8192 -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:8192 -smt2 -in -t:2000
[2019-01-11 15:08:23,134 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration
[2019-01-11 15:08:23,134 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-01-11 15:08:23,134 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-01-11 15:08:23,404 INFO L278 CfgBuilder]: Using library mode
[2019-01-11 15:08:23,404 INFO L286 CfgBuilder]: Removed 1 assue(true) statements.
[2019-01-11 15:08:23,406 INFO L202 PluginConnector]: Adding new model GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:08:23 BoogieIcfgContainer
[2019-01-11 15:08:23,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-01-11 15:08:23,406 INFO L113 PluginConnector]: ------------------------Abstract Interpretation----------------------------
[2019-01-11 15:08:23,407 INFO L271 PluginConnector]: Initializing Abstract Interpretation...
[2019-01-11 15:08:23,407 INFO L276 PluginConnector]: Abstract Interpretation initialized
[2019-01-11 15:08:23,408 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:08:23" (1/1) ...
[2019-01-11 15:08:23,437 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2)
[2019-01-11 15:08:23,515 INFO L263 AbstractInterpreter]: Some error location(s) were reachable
[2019-01-11 15:08:23,530 INFO L272 AbstractInterpreter]: Visited 9 different actions 9 times. Never merged. Never widened. Performed 22 root evaluator evaluations with a maximum evaluation depth of 5. Performed 22 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 2 fixpoints after 2 different actions. Largest state had 0 variables.
[2019-01-11 15:08:23,531 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation----------------------------
[2019-01-11 15:08:23,532 INFO L168 Benchmark]: Toolchain (without parser) took 524.06 ms. Allocated memory is still 133.7 MB. Free memory was 109.1 MB in the beginning and 90.7 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB.
[2019-01-11 15:08:23,535 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 133.7 MB. Free memory is still 110.3 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2019-01-11 15:08:23,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.09 ms. Allocated memory is still 133.7 MB. Free memory was 108.9 MB in the beginning and 107.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB.
[2019-01-11 15:08:23,537 INFO L168 Benchmark]: Boogie Preprocessor took 21.15 ms. Allocated memory is still 133.7 MB. Free memory was 107.2 MB in the beginning and 106.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB.
[2019-01-11 15:08:23,538 INFO L168 Benchmark]: RCFGBuilder took 340.21 ms. Allocated memory is still 133.7 MB. Free memory was 105.9 MB in the beginning and 96.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB.
[2019-01-11 15:08:23,539 INFO L168 Benchmark]: Abstract Interpretation took 125.07 ms. Allocated memory is still 133.7 MB. Free memory was 96.9 MB in the beginning and 90.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB.
[2019-01-11 15:08:23,545 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 0.17 ms. Allocated memory is still 133.7 MB. Free memory is still 110.3 MB. There was no memory consumed. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 34.09 ms. Allocated memory is still 133.7 MB. Free memory was 108.9 MB in the beginning and 107.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 21.15 ms. Allocated memory is still 133.7 MB. Free memory was 107.2 MB in the beginning and 106.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 340.21 ms. Allocated memory is still 133.7 MB. Free memory was 105.9 MB in the beginning and 96.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB.
* Abstract Interpretation took 125.07 ms. Allocated memory is still 133.7 MB. Free memory was 96.9 MB in the beginning and 90.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 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...