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/TestQuantifierEliminationInequality03.bpl


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This is Ultimate 0.1.24-e6f8464
[2019-08-06 14:25:17,437 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2019-08-06 14:25:17,451 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
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[2019-08-06 14:25:17,490 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-08-06 14:25:17,534 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-08-06 14:25:17,549 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-08-06 14:25:17,553 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-08-06 14:25:17,555 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2019-08-06 14:25:17,556 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2019-08-06 14:25:17,556 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestQuantifierEliminationInequality03.bpl
[2019-08-06 14:25:17,557 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestQuantifierEliminationInequality03.bpl'
[2019-08-06 14:25:17,580 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-08-06 14:25:17,581 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-08-06 14:25:17,582 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-08-06 14:25:17,582 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-08-06 14:25:17,582 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-08-06 14:25:17,605 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestQuantifierEliminationInequality03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:17" (1/1) ...
[2019-08-06 14:25:17,607 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestQuantifierEliminationInequality03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:17" (1/1) ...
[2019-08-06 14:25:17,614 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestQuantifierEliminationInequality03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:17" (1/1) ...
[2019-08-06 14:25:17,614 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestQuantifierEliminationInequality03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:17" (1/1) ...
[2019-08-06 14:25:17,616 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestQuantifierEliminationInequality03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:17" (1/1) ...
[2019-08-06 14:25:17,620 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestQuantifierEliminationInequality03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:17" (1/1) ...
[2019-08-06 14:25:17,620 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestQuantifierEliminationInequality03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:17" (1/1) ...
[2019-08-06 14:25:17,621 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-08-06 14:25:17,622 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-08-06 14:25:17,623 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-08-06 14:25:17,623 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-08-06 14:25:17,626 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestQuantifierEliminationInequality03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:25:17" (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 14:25:17,697 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure proc given in one single declaration
[2019-08-06 14:25:17,697 INFO  L130     BoogieDeclarations]: Found specification of procedure proc
[2019-08-06 14:25:17,697 INFO  L138     BoogieDeclarations]: Found implementation of procedure proc
[2019-08-06 14:25:17,928 INFO  L275             CfgBuilder]: Using library mode
[2019-08-06 14:25:17,928 INFO  L283             CfgBuilder]: Removed 1 assume(true) statements.
[2019-08-06 14:25:17,929 INFO  L202        PluginConnector]: Adding new model TestQuantifierEliminationInequality03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:25:17 BoogieIcfgContainer
[2019-08-06 14:25:17,929 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-08-06 14:25:17,930 INFO  L113        PluginConnector]: ------------------------Symbolic Interpretation----------------------------
[2019-08-06 14:25:17,930 INFO  L271        PluginConnector]: Initializing Symbolic Interpretation...
[2019-08-06 14:25:17,930 INFO  L275        PluginConnector]: Symbolic Interpretation initialized
[2019-08-06 14:25:17,931 INFO  L185        PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestQuantifierEliminationInequality03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:25:17" (1/1) ...
[2019-08-06 14:25:17,944 INFO  L148        IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-08-06 14:25:17,949 INFO  L155        IcfgInterpreter]: Building call graph
[2019-08-06 14:25:17,955 INFO  L160        IcfgInterpreter]: Initial procedures are [proc]
[2019-08-06 14:25:17,963 INFO  L165        IcfgInterpreter]: Starting interpretation
[2019-08-06 14:25:17,964 INFO  L185        IcfgInterpreter]: Interpreting procedure proc with input of size 1
[2019-08-06 14:25:18,009 INFO  L169        IcfgInterpreter]: Interpretation finished
[2019-08-06 14:25:18,010 INFO  L177        IcfgInterpreter]: Final predicates for locations of interest are:
[2019-08-06 14:25:18,013 INFO  L179        IcfgInterpreter]: Location procErr0ASSERT_VIOLATIONASSERT has predicate 9#(and (not (= b a)) (<= lower a) (<= lower b) (not (<= (+ lower 2) upper)) (not (= b x)) (not (= a x)) (<= b upper) (<= lower x) (<= x upper) (<= a upper))
[2019-08-06 14:25:18,014 WARN  L88    terpretationObserver]: Some locations of interest might be reachable, see reported results.
[2019-08-06 14:25:18,021 INFO  L132        PluginConnector]: ------------------------ END Symbolic Interpretation----------------------------
[2019-08-06 14:25:18,024 INFO  L168              Benchmark]: Toolchain (without parser) took 441.05 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 93.8 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB.
[2019-08-06 14:25:18,025 INFO  L168              Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 141.0 MB. Free memory is still 110.2 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2019-08-06 14:25:18,026 INFO  L168              Benchmark]: Boogie Preprocessor took 40.23 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB.
[2019-08-06 14:25:18,027 INFO  L168              Benchmark]: RCFGBuilder took 307.07 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 98.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB.
[2019-08-06 14:25:18,028 INFO  L168              Benchmark]: Symbolic Interpretation took 91.02 ms. Allocated memory is still 141.0 MB. Free memory was 97.6 MB in the beginning and 93.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB.
[2019-08-06 14:25:18,033 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation:
  - UnprovableResult [Line: 25]: 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 0.16 ms. Allocated memory is still 141.0 MB. Free memory is still 110.2 MB. There was no memory consumed. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 40.23 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 307.07 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 98.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB.
 * Symbolic Interpretation took 91.02 ms. Allocated memory is still 141.0 MB. Free memory was 97.6 MB in the beginning and 93.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB.
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...