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/regression/bpl/interprocedural/BugLiveVariables01-Safe.bpl


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This is Ultimate 0.1.24-e6f8464
[2019-08-06 14:25:11,634 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2019-08-06 14:25:11,676 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-08-06 14:25:11,676 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-08-06 14:25:11,682 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-08-06 14:25:11,710 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-08-06 14:25:11,722 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-08-06 14:25:11,726 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-08-06 14:25:11,727 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2019-08-06 14:25:11,728 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2019-08-06 14:25:11,729 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugLiveVariables01-Safe.bpl
[2019-08-06 14:25:11,729 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugLiveVariables01-Safe.bpl'
[2019-08-06 14:25:11,761 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-08-06 14:25:11,763 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-08-06 14:25:11,763 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-08-06 14:25:11,763 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-08-06 14:25:11,764 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-08-06 14:25:11,788 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:11" (1/1) ...
[2019-08-06 14:25:11,790 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:11" (1/1) ...
[2019-08-06 14:25:11,797 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:11" (1/1) ...
[2019-08-06 14:25:11,797 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:11" (1/1) ...
[2019-08-06 14:25:11,799 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:11" (1/1) ...
[2019-08-06 14:25:11,800 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:11" (1/1) ...
[2019-08-06 14:25:11,801 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:11" (1/1) ...
[2019-08-06 14:25:11,802 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-08-06 14:25:11,803 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-08-06 14:25:11,803 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-08-06 14:25:11,803 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-08-06 14:25:11,804 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:11" (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 14:25:11,871 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-08-06 14:25:11,871 INFO  L138     BoogieDeclarations]: Found implementation of procedure proc
[2019-08-06 14:25:11,872 INFO  L130     BoogieDeclarations]: Found specification of procedure proc
[2019-08-06 14:25:11,872 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-08-06 14:25:12,149 INFO  L275             CfgBuilder]: Using library mode
[2019-08-06 14:25:12,149 INFO  L283             CfgBuilder]: Removed 0 assume(true) statements.
[2019-08-06 14:25:12,151 INFO  L202        PluginConnector]: Adding new model BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:25:12 BoogieIcfgContainer
[2019-08-06 14:25:12,151 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-08-06 14:25:12,152 INFO  L113        PluginConnector]: ------------------------Symbolic Interpretation----------------------------
[2019-08-06 14:25:12,152 INFO  L271        PluginConnector]: Initializing Symbolic Interpretation...
[2019-08-06 14:25:12,152 INFO  L275        PluginConnector]: Symbolic Interpretation initialized
[2019-08-06 14:25:12,153 INFO  L185        PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:25:12" (1/1) ...
[2019-08-06 14:25:12,164 INFO  L148        IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-08-06 14:25:12,167 INFO  L155        IcfgInterpreter]: Building call graph
[2019-08-06 14:25:12,174 INFO  L160        IcfgInterpreter]: Initial procedures are [main]
[2019-08-06 14:25:12,182 INFO  L165        IcfgInterpreter]: Starting interpretation
[2019-08-06 14:25:12,184 INFO  L185        IcfgInterpreter]: Interpreting procedure main with input of size 1
[2019-08-06 14:25:12,238 INFO  L169        IcfgInterpreter]: Interpretation finished
[2019-08-06 14:25:12,238 INFO  L177        IcfgInterpreter]: Final predicates for locations of interest are:
[2019-08-06 14:25:12,241 INFO  L179        IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 10#(not (= y x))
[2019-08-06 14:25:12,242 WARN  L88    terpretationObserver]: Some locations of interest might be reachable, see reported results.
[2019-08-06 14:25:12,250 INFO  L132        PluginConnector]: ------------------------ END Symbolic Interpretation----------------------------
[2019-08-06 14:25:12,253 INFO  L168              Benchmark]: Toolchain (without parser) took 489.74 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 94.6 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB.
[2019-08-06 14:25:12,255 INFO  L168              Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2019-08-06 14:25:12,256 INFO  L168              Benchmark]: Boogie Preprocessor took 39.42 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 107.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
[2019-08-06 14:25:12,258 INFO  L168              Benchmark]: RCFGBuilder took 348.12 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 99.3 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB.
[2019-08-06 14:25:12,259 INFO  L168              Benchmark]: Symbolic Interpretation took 98.87 ms. Allocated memory is still 133.2 MB. Free memory was 99.1 MB in the beginning and 94.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
[2019-08-06 14:25:12,263 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation:
  - UnprovableResult [Line: 18]: 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 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 39.42 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 107.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 348.12 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 99.3 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB.
 * Symbolic Interpretation took 98.87 ms. Allocated memory is still 133.2 MB. Free memory was 99.1 MB in the beginning and 94.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...