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/20181015-LoopsPathprograms/nested_true-unreach-call1.i_4.bpl


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This is Ultimate 0.1.24-4ddfff8
[2019-08-09 14:10:42,491 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2019-08-09 14:10:42,520 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2019-08-09 14:10:42,529 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-08-09 14:10:42,530 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
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[2019-08-09 14:10:42,532 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-08-09 14:10:42,532 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-08-09 14:10:42,533 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-08-09 14:10:42,533 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
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[2019-08-09 14:10:42,535 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2019-08-09 14:10:42,538 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-08-09 14:10:42,564 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-08-09 14:10:42,577 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-08-09 14:10:42,580 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-08-09 14:10:42,581 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2019-08-09 14:10:42,582 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2019-08-09 14:10:42,582 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_true-unreach-call1.i_4.bpl
[2019-08-09 14:10:42,583 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_true-unreach-call1.i_4.bpl'
[2019-08-09 14:10:42,624 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-08-09 14:10:42,625 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-08-09 14:10:42,626 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-08-09 14:10:42,626 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-08-09 14:10:42,626 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-08-09 14:10:42,650 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:42" (1/1) ...
[2019-08-09 14:10:42,652 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:42" (1/1) ...
[2019-08-09 14:10:42,663 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:42" (1/1) ...
[2019-08-09 14:10:42,664 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:42" (1/1) ...
[2019-08-09 14:10:42,670 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:42" (1/1) ...
[2019-08-09 14:10:42,674 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:42" (1/1) ...
[2019-08-09 14:10:42,675 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:42" (1/1) ...
[2019-08-09 14:10:42,681 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-08-09 14:10:42,682 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-08-09 14:10:42,683 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-08-09 14:10:42,683 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-08-09 14:10:42,684 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:42" (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
[2019-08-09 14:10:42,754 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2019-08-09 14:10:42,755 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-08-09 14:10:42,755 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-08-09 14:10:42,930 INFO  L684   $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true;
[2019-08-09 14:10:42,932 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-08-09 14:10:42,932 INFO  L283             CfgBuilder]: Removed 0 assume(true) statements.
[2019-08-09 14:10:42,933 INFO  L202        PluginConnector]: Adding new model nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:42 BoogieIcfgContainer
[2019-08-09 14:10:42,934 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-08-09 14:10:42,934 INFO  L113        PluginConnector]: ------------------------Symbolic Interpretation----------------------------
[2019-08-09 14:10:42,934 INFO  L271        PluginConnector]: Initializing Symbolic Interpretation...
[2019-08-09 14:10:42,935 INFO  L275        PluginConnector]: Symbolic Interpretation initialized
[2019-08-09 14:10:42,935 INFO  L185        PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:42" (1/1) ...
[2019-08-09 14:10:43,086 WARN  L88    terpretationObserver]: Some locations of interest might be reachable, see reported results.
[2019-08-09 14:10:43,094 INFO  L132        PluginConnector]: ------------------------ END Symbolic Interpretation----------------------------
[2019-08-09 14:10:43,096 INFO  L168              Benchmark]: Toolchain (without parser) took 470.06 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 90.7 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB.
[2019-08-09 14:10:43,098 INFO  L168              Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 110.4 MB in the beginning and 110.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2019-08-09 14:10:43,099 INFO  L168              Benchmark]: Boogie Preprocessor took 55.84 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 106.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2019-08-09 14:10:43,100 INFO  L168              Benchmark]: RCFGBuilder took 251.34 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 97.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB.
[2019-08-09 14:10:43,102 INFO  L168              Benchmark]: Symbolic Interpretation took 159.74 ms. Allocated memory is still 132.6 MB. Free memory was 97.3 MB in the beginning and 90.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB.
[2019-08-09 14:10:43,107 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation:
  - UnprovableResult [Line: 35]: 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. Predicate is
67#(or (and (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 268435455)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~x~0 0) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= (ite (<= (mod (ite (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (+ (mod ULTIMATE.start_main_~x~0 2) (- 2)) (mod ULTIMATE.start_main_~x~0 2)) 4294967296) 2147483647) (mod (ite (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (+ (mod ULTIMATE.start_main_~x~0 2) (- 2)) (mod ULTIMATE.start_main_~x~0 2)) 4294967296) (+ (mod (ite (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (+ (mod ULTIMATE.start_main_~x~0 2) (- 2)) (mod ULTIMATE.start_main_~x~0 2)) 4294967296) (- 4294967296))) |ULTIMATE.start___VERIFIER_assert_#in~cond|) (or (and (not (<= (mod ULTIMATE.start_main_~x~0 2) 2147483647)) (or (and (or (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (= 0 (mod ULTIMATE.start_main_~x~0 2)) (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 0))) (<= (mod (+ (mod ULTIMATE.start_main_~x~0 2) 4294967294) 4294967296) 2147483647)) (and (or (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (= 0 (mod ULTIMATE.start_main_~x~0 2)) (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 0))) (not (<= (mod (+ (mod ULTIMATE.start_main_~x~0 2) 4294967294) 4294967296) 2147483647))))) (and (<= (mod ULTIMATE.start_main_~x~0 2) 2147483647) (or (and (or (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (= 0 (mod ULTIMATE.start_main_~x~0 2)) (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 0))) (<= (mod (+ (mod ULTIMATE.start_main_~x~0 2) 4294967294) 4294967296) 2147483647)) (and (or (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (= 0 (mod ULTIMATE.start_main_~x~0 2)) (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 0))) (not (<= (mod (+ (mod ULTIMATE.start_main_~x~0 2) 4294967294) 4294967296) 2147483647)))))) (= ULTIMATE.start_main_~y~0 0)) (and (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 268435455)) (not (< (mod ULTIMATE.start_main_~y~0 4294967296) 10)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= (ite (<= (mod (ite (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (+ (mod ULTIMATE.start_main_~x~0 2) (- 2)) (mod ULTIMATE.start_main_~x~0 2)) 4294967296) 2147483647) (mod (ite (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (+ (mod ULTIMATE.start_main_~x~0 2) (- 2)) (mod ULTIMATE.start_main_~x~0 2)) 4294967296) (+ (mod (ite (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (+ (mod ULTIMATE.start_main_~x~0 2) (- 2)) (mod ULTIMATE.start_main_~x~0 2)) 4294967296) (- 4294967296))) |ULTIMATE.start___VERIFIER_assert_#in~cond|) (or (and (not (<= (mod ULTIMATE.start_main_~x~0 2) 2147483647)) (or (and (or (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (= 0 (mod ULTIMATE.start_main_~x~0 2)) (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 0))) (<= (mod (+ (mod ULTIMATE.start_main_~x~0 2) 4294967294) 4294967296) 2147483647)) (and (or (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (= 0 (mod ULTIMATE.start_main_~x~0 2)) (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 0))) (not (<= (mod (+ (mod ULTIMATE.start_main_~x~0 2) 4294967294) 4294967296) 2147483647))))) (and (<= (mod ULTIMATE.start_main_~x~0 2) 2147483647) (or (and (or (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (= 0 (mod ULTIMATE.start_main_~x~0 2)) (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 0))) (<= (mod (+ (mod ULTIMATE.start_main_~x~0 2) 4294967294) 4294967296) 2147483647)) (and (or (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (= 0 (mod ULTIMATE.start_main_~x~0 2)) (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 0))) (not (<= (mod (+ (mod ULTIMATE.start_main_~x~0 2) 4294967294) 4294967296) 2147483647)))))))). 
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 132.6 MB. Free memory was 110.4 MB in the beginning and 110.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 55.84 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 106.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 251.34 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 97.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB.
 * Symbolic Interpretation took 159.74 ms. Allocated memory is still 132.6 MB. Free memory was 97.3 MB in the beginning and 90.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB.
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...