./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem13_label12.c --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version da95e156
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem13_label12.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55ae3265c2fd6bff19b47c950a2596cee0d26bde
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem13_label12.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55ae3265c2fd6bff19b47c950a2596cee0d26bde
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN
--- Real Ultimate output ---
This is Ultimate 0.1.24-da95e15
[2019-11-27 09:34:25,141 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-27 09:34:25,148 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-27 09:34:25,186 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-27 09:34:25,189 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-27 09:34:25,193 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-27 09:34:25,198 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-27 09:34:25,217 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-27 09:34:25,221 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-27 09:34:25,228 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-27 09:34:25,230 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-27 09:34:25,234 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-27 09:34:25,239 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-27 09:34:25,247 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-27 09:34:25,249 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-27 09:34:25,253 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-27 09:34:25,257 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-27 09:34:25,258 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-27 09:34:25,269 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-27 09:34:25,278 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-27 09:34:25,285 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-27 09:34:25,294 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-27 09:34:25,297 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-27 09:34:25,301 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-27 09:34:25,310 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-27 09:34:25,313 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-27 09:34:25,313 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-27 09:34:25,316 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-27 09:34:25,318 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-27 09:34:25,320 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-27 09:34:25,322 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-27 09:34:25,324 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-27 09:34:25,327 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-27 09:34:25,329 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-27 09:34:25,335 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-27 09:34:25,336 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-27 09:34:25,337 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-27 09:34:25,339 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-27 09:34:25,341 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-27 09:34:25,345 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-27 09:34:25,348 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-27 09:34:25,350 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2019-11-27 09:34:25,471 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-27 09:34:25,472 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-27 09:34:25,474 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-27 09:34:25,474 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-27 09:34:25,475 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-27 09:34:25,475 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-27 09:34:25,475 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-27 09:34:25,476 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-27 09:34:25,476 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-27 09:34:25,477 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-27 09:34:25,477 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-27 09:34:25,478 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-27 09:34:25,478 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-27 09:34:25,479 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-27 09:34:25,479 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-27 09:34:25,479 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-27 09:34:25,480 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-27 09:34:25,480 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-27 09:34:25,480 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-27 09:34:25,481 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-27 09:34:25,481 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-27 09:34:25,481 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-27 09:34:25,482 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-27 09:34:25,490 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-27 09:34:25,490 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-27 09:34:25,491 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-27 09:34:25,492 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-27 09:34:25,495 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-27 09:34:25,496 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55ae3265c2fd6bff19b47c950a2596cee0d26bde
[2019-11-27 09:34:26,035 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-27 09:34:26,066 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-27 09:34:26,075 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-27 09:34:26,079 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-27 09:34:26,080 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-27 09:34:26,082 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem13_label12.c
[2019-11-27 09:34:26,253 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf136f6fc/daf61c665f9849b685faed64bdcdc42e/FLAGd16906265
[2019-11-27 09:34:28,021 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-27 09:34:28,024 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem13_label12.c
[2019-11-27 09:34:28,104 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf136f6fc/daf61c665f9849b685faed64bdcdc42e/FLAGd16906265
[2019-11-27 09:34:28,144 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf136f6fc/daf61c665f9849b685faed64bdcdc42e
[2019-11-27 09:34:28,153 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-27 09:34:28,155 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-11-27 09:34:28,162 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-27 09:34:28,162 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-27 09:34:28,168 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-27 09:34:28,172 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:34:28" (1/1) ...
[2019-11-27 09:34:28,180 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc0b2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:28, skipping insertion in model container
[2019-11-27 09:34:28,181 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:34:28" (1/1) ...
[2019-11-27 09:34:28,202 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-27 09:34:28,556 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2019-11-27 09:34:31,812 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-27 09:34:31,825 INFO  L203         MainTranslator]: Completed pre-run
[2019-11-27 09:34:33,487 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-27 09:34:33,565 INFO  L208         MainTranslator]: Completed translation
[2019-11-27 09:34:33,568 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:33 WrapperNode
[2019-11-27 09:34:33,569 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-27 09:34:33,572 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-27 09:34:33,573 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-27 09:34:33,573 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-27 09:34:33,592 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:33" (1/1) ...
[2019-11-27 09:34:33,728 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:33" (1/1) ...
[2019-11-27 09:34:35,053 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-27 09:34:35,056 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-27 09:34:35,058 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-27 09:34:35,058 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-27 09:34:35,073 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:33" (1/1) ...
[2019-11-27 09:34:35,073 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:33" (1/1) ...
[2019-11-27 09:34:35,271 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:33" (1/1) ...
[2019-11-27 09:34:35,272 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:33" (1/1) ...
[2019-11-27 09:34:35,688 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:33" (1/1) ...
[2019-11-27 09:34:35,768 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:33" (1/1) ...
[2019-11-27 09:34:36,013 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:33" (1/1) ...
[2019-11-27 09:34:36,273 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-27 09:34:36,283 INFO  L168              Benchmark]: Toolchain (without parser) took 8121.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 807.9 MB in the end (delta: 136.6 MB). Peak memory consumption was 136.6 MB. Max. memory is 12.5 GB.
[2019-11-27 09:34:36,286 INFO  L168              Benchmark]: CDTParser took 2.78 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB.
[2019-11-27 09:34:36,288 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 5408.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 779.6 MB in the end (delta: 164.9 MB). Peak memory consumption was 165.0 MB. Max. memory is 12.5 GB.
[2019-11-27 09:34:36,291 INFO  L168              Benchmark]: Boogie Procedure Inliner took 1483.11 ms. Allocated memory is still 1.0 GB. Free memory was 779.6 MB in the beginning and 876.4 MB in the end (delta: -96.8 MB). Peak memory consumption was 134.5 MB. Max. memory is 12.5 GB.
[2019-11-27 09:34:36,295 INFO  L168              Benchmark]: Boogie Preprocessor took 1218.39 ms. Allocated memory is still 1.0 GB. Free memory was 876.4 MB in the beginning and 807.9 MB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 12.5 GB.
[2019-11-27 09:34:36,307 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 2.78 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB.
 * CACSL2BoogieTranslator took 5408.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 779.6 MB in the end (delta: 164.9 MB). Peak memory consumption was 165.0 MB. Max. memory is 12.5 GB.
 * Boogie Procedure Inliner took 1483.11 ms. Allocated memory is still 1.0 GB. Free memory was 779.6 MB in the beginning and 876.4 MB in the end (delta: -96.8 MB). Peak memory consumption was 134.5 MB. Max. memory is 12.5 GB.
 * Boogie Preprocessor took 1218.39 ms. Allocated memory is still 1.0 GB. Free memory was 876.4 MB in the beginning and 807.9 MB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 12.5 GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...

### Bit-precise run ###
This is Ultimate 0.1.24-da95e15
[2019-11-27 09:34:40,510 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-27 09:34:40,517 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-27 09:34:40,552 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-27 09:34:40,554 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-27 09:34:40,556 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-27 09:34:40,561 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-27 09:34:40,579 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-27 09:34:40,582 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-27 09:34:40,588 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-27 09:34:40,594 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-27 09:34:40,597 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-27 09:34:40,598 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-27 09:34:40,602 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-27 09:34:40,607 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-27 09:34:40,610 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-27 09:34:40,615 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-27 09:34:40,621 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-27 09:34:40,624 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-27 09:34:40,635 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-27 09:34:40,637 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-27 09:34:40,648 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-27 09:34:40,651 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-27 09:34:40,655 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-27 09:34:40,664 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-27 09:34:40,664 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-27 09:34:40,665 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-27 09:34:40,669 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-27 09:34:40,670 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-27 09:34:40,675 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-27 09:34:40,675 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-27 09:34:40,676 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-27 09:34:40,682 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-27 09:34:40,683 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-27 09:34:40,685 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-27 09:34:40,686 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-27 09:34:40,690 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-27 09:34:40,691 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-27 09:34:40,691 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-27 09:34:40,692 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-27 09:34:40,695 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-27 09:34:40,697 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2019-11-27 09:34:40,740 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-27 09:34:40,745 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-27 09:34:40,748 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-27 09:34:40,749 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-27 09:34:40,749 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-27 09:34:40,750 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-27 09:34:40,752 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-27 09:34:40,752 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-27 09:34:40,752 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-27 09:34:40,753 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-27 09:34:40,754 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-27 09:34:40,756 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-27 09:34:40,756 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2019-11-27 09:34:40,757 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2019-11-27 09:34:40,757 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-27 09:34:40,759 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-27 09:34:40,759 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-27 09:34:40,759 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-27 09:34:40,760 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-27 09:34:40,760 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-27 09:34:40,762 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-27 09:34:40,762 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-27 09:34:40,762 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-27 09:34:40,763 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-27 09:34:40,764 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-27 09:34:40,764 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-27 09:34:40,767 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2019-11-27 09:34:40,767 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt
[2019-11-27 09:34:40,768 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-27 09:34:40,768 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-11-27 09:34:40,769 INFO  L138        SettingsManager]:  * Logic for external solver=AUFBV
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55ae3265c2fd6bff19b47c950a2596cee0d26bde
[2019-11-27 09:34:41,382 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-27 09:34:41,416 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-27 09:34:41,420 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-27 09:34:41,429 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-27 09:34:41,429 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-27 09:34:41,431 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem13_label12.c
[2019-11-27 09:34:41,592 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a78e1472a/777cc0ffb9184b5cbb6a25be6cd14303/FLAG7791a6aa8
[2019-11-27 09:34:43,306 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-27 09:34:43,307 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem13_label12.c
[2019-11-27 09:34:43,391 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a78e1472a/777cc0ffb9184b5cbb6a25be6cd14303/FLAG7791a6aa8
[2019-11-27 09:34:43,430 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a78e1472a/777cc0ffb9184b5cbb6a25be6cd14303
[2019-11-27 09:34:43,443 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-27 09:34:43,446 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-11-27 09:34:43,452 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-27 09:34:43,452 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-27 09:34:43,461 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-27 09:34:43,462 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:34:43" (1/1) ...
[2019-11-27 09:34:43,470 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:43, skipping insertion in model container
[2019-11-27 09:34:43,470 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:34:43" (1/1) ...
[2019-11-27 09:34:43,488 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-27 09:34:43,786 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2019-11-27 09:34:47,120 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-27 09:34:47,133 INFO  L203         MainTranslator]: Completed pre-run
[2019-11-27 09:34:48,740 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-27 09:34:48,835 INFO  L208         MainTranslator]: Completed translation
[2019-11-27 09:34:48,837 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:48 WrapperNode
[2019-11-27 09:34:48,838 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-27 09:34:48,842 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-27 09:34:48,842 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-27 09:34:48,842 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-27 09:34:48,867 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:48" (1/1) ...
[2019-11-27 09:34:49,237 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:48" (1/1) ...
[2019-11-27 09:34:49,709 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-27 09:34:49,711 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-27 09:34:49,711 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-27 09:34:49,713 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-27 09:34:49,737 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:48" (1/1) ...
[2019-11-27 09:34:49,740 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:48" (1/1) ...
[2019-11-27 09:34:49,832 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:48" (1/1) ...
[2019-11-27 09:34:49,835 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:48" (1/1) ...
[2019-11-27 09:34:50,121 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:48" (1/1) ...
[2019-11-27 09:34:50,199 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:48" (1/1) ...
[2019-11-27 09:34:50,254 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:34:48" (1/1) ...
[2019-11-27 09:34:50,318 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-27 09:34:50,328 INFO  L168              Benchmark]: Toolchain (without parser) took 6876.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 886.9 MB in the end (delta: 57.6 MB). Peak memory consumption was 57.7 MB. Max. memory is 12.5 GB.
[2019-11-27 09:34:50,330 INFO  L168              Benchmark]: CDTParser took 2.69 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB.
[2019-11-27 09:34:50,334 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 5389.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 716.6 MB in the end (delta: 227.9 MB). Peak memory consumption was 228.0 MB. Max. memory is 12.5 GB.
[2019-11-27 09:34:50,335 INFO  L168              Benchmark]: Boogie Procedure Inliner took 868.80 ms. Allocated memory is still 1.0 GB. Free memory was 716.6 MB in the beginning and 920.6 MB in the end (delta: -204.0 MB). Peak memory consumption was 38.2 MB. Max. memory is 12.5 GB.
[2019-11-27 09:34:50,339 INFO  L168              Benchmark]: Boogie Preprocessor took 608.57 ms. Allocated memory is still 1.0 GB. Free memory was 920.6 MB in the beginning and 886.9 MB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 12.5 GB.
[2019-11-27 09:34:50,350 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 2.69 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB.
 * CACSL2BoogieTranslator took 5389.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 716.6 MB in the end (delta: 227.9 MB). Peak memory consumption was 228.0 MB. Max. memory is 12.5 GB.
 * Boogie Procedure Inliner took 868.80 ms. Allocated memory is still 1.0 GB. Free memory was 716.6 MB in the beginning and 920.6 MB in the end (delta: -204.0 MB). Peak memory consumption was 38.2 MB. Max. memory is 12.5 GB.
 * Boogie Preprocessor took 608.57 ms. Allocated memory is still 1.0 GB. Free memory was 920.6 MB in the beginning and 886.9 MB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 12.5 GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...