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/abstractInterpretation/regression/eq/44b_join_strong_and_weak_equivalence.bpl


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This is Ultimate 0.1.24-e6f8464
[2019-08-06 14:25:51,087 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2019-08-06 14:25:51,160 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-08-06 14:25:51,197 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-08-06 14:25:51,214 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-08-06 14:25:51,218 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-08-06 14:25:51,219 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2019-08-06 14:25:51,220 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2019-08-06 14:25:51,221 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/44b_join_strong_and_weak_equivalence.bpl
[2019-08-06 14:25:51,221 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/44b_join_strong_and_weak_equivalence.bpl'
[2019-08-06 14:25:51,250 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-08-06 14:25:51,252 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-08-06 14:25:51,252 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-08-06 14:25:51,253 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-08-06 14:25:51,253 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-08-06 14:25:51,276 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:51" (1/1) ...
[2019-08-06 14:25:51,278 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:51" (1/1) ...
[2019-08-06 14:25:51,285 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:51" (1/1) ...
[2019-08-06 14:25:51,286 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:51" (1/1) ...
[2019-08-06 14:25:51,289 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:51" (1/1) ...
[2019-08-06 14:25:51,290 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:51" (1/1) ...
[2019-08-06 14:25:51,291 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:51" (1/1) ...
[2019-08-06 14:25:51,292 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-08-06 14:25:51,293 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-08-06 14:25:51,293 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-08-06 14:25:51,293 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-08-06 14:25:51,294 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:51" (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 14:25:51,347 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration
[2019-08-06 14:25:51,348 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-08-06 14:25:51,348 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-08-06 14:25:51,548 INFO  L275             CfgBuilder]: Using library mode
[2019-08-06 14:25:51,548 INFO  L283             CfgBuilder]: Removed 0 assume(true) statements.
[2019-08-06 14:25:51,550 INFO  L202        PluginConnector]: Adding new model 44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:25:51 BoogieIcfgContainer
[2019-08-06 14:25:51,550 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-08-06 14:25:51,551 INFO  L113        PluginConnector]: ------------------------Symbolic Interpretation----------------------------
[2019-08-06 14:25:51,551 INFO  L271        PluginConnector]: Initializing Symbolic Interpretation...
[2019-08-06 14:25:51,551 INFO  L275        PluginConnector]: Symbolic Interpretation initialized
[2019-08-06 14:25:51,552 INFO  L185        PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:25:51" (1/1) ...
[2019-08-06 14:25:51,564 INFO  L148        IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-08-06 14:25:51,566 INFO  L155        IcfgInterpreter]: Building call graph
[2019-08-06 14:25:51,575 INFO  L160        IcfgInterpreter]: Initial procedures are [main]
[2019-08-06 14:25:51,586 INFO  L165        IcfgInterpreter]: Starting interpretation
[2019-08-06 14:25:51,588 INFO  L185        IcfgInterpreter]: Interpreting procedure main with input of size 1
[2019-08-06 14:25:51,662 INFO  L169        IcfgInterpreter]: Interpretation finished
[2019-08-06 14:25:51,662 INFO  L177        IcfgInterpreter]: Final predicates for locations of interest are:
[2019-08-06 14:25:51,666 INFO  L179        IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (not (= (select main_b main_j) (select main_a main_j))) (not (= (select main_c main_j) 3)) (or (and (= (select main_c main_i) 3) (= main_a (store main_b main_i main_x))) (= main_b main_a)))
[2019-08-06 14:25:51,667 WARN  L88    terpretationObserver]: Some locations of interest might be reachable, see reported results.
[2019-08-06 14:25:51,683 INFO  L132        PluginConnector]: ------------------------ END Symbolic Interpretation----------------------------
[2019-08-06 14:25:51,686 INFO  L168              Benchmark]: Toolchain (without parser) took 432.72 ms. Allocated memory is still 134.2 MB. Free memory was 110.6 MB in the beginning and 94.1 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB.
[2019-08-06 14:25:51,687 INFO  L168              Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2019-08-06 14:25:51,688 INFO  L168              Benchmark]: Boogie Preprocessor took 39.74 ms. Allocated memory is still 134.2 MB. Free memory was 110.6 MB in the beginning and 108.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB.
[2019-08-06 14:25:51,689 INFO  L168              Benchmark]: RCFGBuilder took 257.59 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 98.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
[2019-08-06 14:25:51,690 INFO  L168              Benchmark]: Symbolic Interpretation took 132.31 ms. Allocated memory is still 134.2 MB. Free memory was 98.6 MB in the beginning and 94.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
[2019-08-06 14:25:51,694 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation:
  - UnprovableResult [Line: 20]: 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 134.2 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 39.74 ms. Allocated memory is still 134.2 MB. Free memory was 110.6 MB in the beginning and 108.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 257.59 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 98.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
 * Symbolic Interpretation took 132.31 ms. Allocated memory is still 134.2 MB. Free memory was 98.6 MB in the beginning and 94.3 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...