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/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl


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This is Ultimate 0.1.24-3b9210c
[2019-08-06 16:54:53,410 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2019-08-06 16:54:53,425 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
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[2019-08-06 16:54:53,437 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-08-06 16:54:53,438 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-08-06 16:54:53,438 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-08-06 16:54:53,440 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2019-08-06 16:54:53,449 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-08-06 16:54:53,450 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-08-06 16:54:53,450 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-08-06 16:54:53,451 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-08-06 16:54:53,451 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-08-06 16:54:53,452 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
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[2019-08-06 16:54:53,454 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2019-08-06 16:54:53,455 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-08-06 16:54:53,457 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-08-06 16:54:53,484 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-08-06 16:54:53,496 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-08-06 16:54:53,499 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-08-06 16:54:53,501 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2019-08-06 16:54:53,501 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2019-08-06 16:54:53,502 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl
[2019-08-06 16:54:53,502 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl'
[2019-08-06 16:54:53,536 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-08-06 16:54:53,537 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-08-06 16:54:53,538 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-08-06 16:54:53,538 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-08-06 16:54:53,538 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-08-06 16:54:53,561 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:53" (1/1) ...
[2019-08-06 16:54:53,563 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:53" (1/1) ...
[2019-08-06 16:54:53,570 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:53" (1/1) ...
[2019-08-06 16:54:53,570 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:53" (1/1) ...
[2019-08-06 16:54:53,573 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:53" (1/1) ...
[2019-08-06 16:54:53,576 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:53" (1/1) ...
[2019-08-06 16:54:53,577 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:53" (1/1) ...
[2019-08-06 16:54:53,578 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-08-06 16:54:53,579 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-08-06 16:54:53,579 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-08-06 16:54:53,579 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-08-06 16:54:53,580 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:53" (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 16:54:53,647 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration
[2019-08-06 16:54:53,647 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-08-06 16:54:53,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-08-06 16:54:53,825 INFO  L275             CfgBuilder]: Using library mode
[2019-08-06 16:54:53,826 INFO  L283             CfgBuilder]: Removed 1 assume(true) statements.
[2019-08-06 16:54:53,827 INFO  L202        PluginConnector]: Adding new model DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:53 BoogieIcfgContainer
[2019-08-06 16:54:53,827 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-08-06 16:54:53,828 INFO  L113        PluginConnector]: ------------------------Symbolic Interpretation----------------------------
[2019-08-06 16:54:53,828 INFO  L271        PluginConnector]: Initializing Symbolic Interpretation...
[2019-08-06 16:54:53,828 INFO  L275        PluginConnector]: Symbolic Interpretation initialized
[2019-08-06 16:54:53,829 INFO  L185        PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:53" (1/1) ...
[2019-08-06 16:54:53,840 INFO  L148        IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-08-06 16:54:53,843 INFO  L155        IcfgInterpreter]: Building call graph
[2019-08-06 16:54:53,849 INFO  L160        IcfgInterpreter]: Initial procedures are [main]
[2019-08-06 16:54:53,857 INFO  L165        IcfgInterpreter]: Starting interpretation
[2019-08-06 16:54:53,859 INFO  L185        IcfgInterpreter]: Interpreting procedure main with input of size 1
[2019-08-06 16:54:53,977 INFO  L169        IcfgInterpreter]: Interpretation finished
[2019-08-06 16:54:53,977 INFO  L177        IcfgInterpreter]: Final predicates for locations of interest are:
[2019-08-06 16:54:53,980 INFO  L179        IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 23#(or (= 23 x) (not (= (mod y 2) 0)))
[2019-08-06 16:54:53,981 WARN  L88    terpretationObserver]: Some locations of interest might be reachable, see reported results.
[2019-08-06 16:54:53,988 INFO  L132        PluginConnector]: ------------------------ END Symbolic Interpretation----------------------------
[2019-08-06 16:54:53,990 INFO  L168              Benchmark]: Toolchain (without parser) took 452.17 ms. Allocated memory is still 139.5 MB. Free memory was 106.5 MB in the beginning and 90.2 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB.
[2019-08-06 16:54:53,992 INFO  L168              Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2019-08-06 16:54:53,993 INFO  L168              Benchmark]: Boogie Preprocessor took 40.51 ms. Allocated memory is still 139.5 MB. Free memory was 106.5 MB in the beginning and 104.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
[2019-08-06 16:54:53,994 INFO  L168              Benchmark]: RCFGBuilder took 248.71 ms. Allocated memory is still 139.5 MB. Free memory was 104.4 MB in the beginning and 95.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB.
[2019-08-06 16:54:53,995 INFO  L168              Benchmark]: Symbolic Interpretation took 159.79 ms. Allocated memory is still 139.5 MB. Free memory was 95.4 MB in the beginning and 90.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB.
[2019-08-06 16:54:53,999 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 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 40.51 ms. Allocated memory is still 139.5 MB. Free memory was 106.5 MB in the beginning and 104.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 248.71 ms. Allocated memory is still 139.5 MB. Free memory was 104.4 MB in the beginning and 95.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB.
 * Symbolic Interpretation took 159.79 ms. Allocated memory is still 139.5 MB. Free memory was 95.4 MB in the beginning and 90.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB.
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...