java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/toy/InterpolantConsolidation01.bpl


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This is Ultimate 0.1.24-e6f8464
[2019-08-06 14:21:35,844 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2019-08-06 14:21:35,890 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-08-06 14:21:35,924 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-08-06 14:21:35,936 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-08-06 14:21:35,939 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-08-06 14:21:35,941 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2019-08-06 14:21:35,941 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2019-08-06 14:21:35,942 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InterpolantConsolidation01.bpl
[2019-08-06 14:21:35,943 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InterpolantConsolidation01.bpl'
[2019-08-06 14:21:35,973 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-08-06 14:21:35,975 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-08-06 14:21:35,976 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-08-06 14:21:35,976 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-08-06 14:21:35,976 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-08-06 14:21:35,998 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "InterpolantConsolidation01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:21:35" (1/1) ...
[2019-08-06 14:21:36,000 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "InterpolantConsolidation01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:21:35" (1/1) ...
[2019-08-06 14:21:36,006 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "InterpolantConsolidation01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:21:35" (1/1) ...
[2019-08-06 14:21:36,006 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "InterpolantConsolidation01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:21:35" (1/1) ...
[2019-08-06 14:21:36,008 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "InterpolantConsolidation01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:21:35" (1/1) ...
[2019-08-06 14:21:36,011 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "InterpolantConsolidation01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:21:35" (1/1) ...
[2019-08-06 14:21:36,012 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "InterpolantConsolidation01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:21:35" (1/1) ...
[2019-08-06 14:21:36,014 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-08-06 14:21:36,015 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-08-06 14:21:36,015 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-08-06 14:21:36,016 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-08-06 14:21:36,016 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "InterpolantConsolidation01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:21:35" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2019-08-06 14:21:36,077 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration
[2019-08-06 14:21:36,078 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-08-06 14:21:36,078 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-08-06 14:21:36,241 INFO  L275             CfgBuilder]: Using library mode
[2019-08-06 14:21:36,242 INFO  L283             CfgBuilder]: Removed 0 assume(true) statements.
[2019-08-06 14:21:36,243 INFO  L202        PluginConnector]: Adding new model InterpolantConsolidation01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:21:36 BoogieIcfgContainer
[2019-08-06 14:21:36,243 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-08-06 14:21:36,244 INFO  L113        PluginConnector]: ------------------------Symbolic Interpretation----------------------------
[2019-08-06 14:21:36,244 INFO  L271        PluginConnector]: Initializing Symbolic Interpretation...
[2019-08-06 14:21:36,244 INFO  L275        PluginConnector]: Symbolic Interpretation initialized
[2019-08-06 14:21:36,245 INFO  L185        PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "InterpolantConsolidation01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:21:36" (1/1) ...
[2019-08-06 14:21:36,256 INFO  L148        IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-08-06 14:21:36,258 INFO  L155        IcfgInterpreter]: Building call graph
[2019-08-06 14:21:36,265 INFO  L160        IcfgInterpreter]: Initial procedures are [main]
[2019-08-06 14:21:36,273 INFO  L165        IcfgInterpreter]: Starting interpretation
[2019-08-06 14:21:36,275 INFO  L185        IcfgInterpreter]: Interpreting procedure main with input of size 1
[2019-08-06 14:21:36,351 INFO  L169        IcfgInterpreter]: Interpretation finished
[2019-08-06 14:21:36,352 INFO  L177        IcfgInterpreter]: Final predicates for locations of interest are:
[2019-08-06 14:21:36,355 INFO  L179        IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 15#(and (not (= b a)) (or (and (= a 0) (= (- 1) (+ b (- 1)))) (and (= a 0) (< 0 (+ a 1)) (= 0 (+ b (- 1))))) (< b (+ a 1)) (not (< b a)))
[2019-08-06 14:21:36,356 WARN  L88    terpretationObserver]: Some locations of interest might be reachable, see reported results.
[2019-08-06 14:21:36,363 INFO  L132        PluginConnector]: ------------------------ END Symbolic Interpretation----------------------------
[2019-08-06 14:21:36,366 INFO  L168              Benchmark]: Toolchain (without parser) took 390.02 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 92.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB.
[2019-08-06 14:21:36,368 INFO  L168              Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 110.2 MB in the beginning and 109.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2019-08-06 14:21:36,369 INFO  L168              Benchmark]: Boogie Preprocessor took 39.00 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB.
[2019-08-06 14:21:36,370 INFO  L168              Benchmark]: RCFGBuilder took 227.90 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 97.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB.
[2019-08-06 14:21:36,371 INFO  L168              Benchmark]: Symbolic Interpretation took 119.79 ms. Allocated memory is still 140.5 MB. Free memory was 97.6 MB in the beginning and 92.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB.
[2019-08-06 14:21:36,375 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation:
  - UnprovableResult [Line: 14]: Unable to prove that assertion always holds
    Unable to prove that assertion always holds
 Reason: Interpreter reached this location of interest. Location might be reachable.. 
Possible FailurePath: 

 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 110.2 MB in the beginning and 109.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 39.00 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 227.90 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 97.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB.
 * Symbolic Interpretation took 119.79 ms. Allocated memory is still 140.5 MB. Free memory was 97.6 MB in the beginning and 92.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB.
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...