./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem18_label47.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 32f26835
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/Problem18_label47.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 59eeb987419dcfe257e9a43ab91add4815522ef5
...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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/Problem18_label47.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 59eeb987419dcfe257e9a43ab91add4815522ef5
.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN
--- Real Ultimate output ---
This is Ultimate 0.1.24-32f2683
[2019-11-24 20:57:27,595 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-24 20:57:27,604 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-24 20:57:27,639 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-24 20:57:27,641 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-24 20:57:27,646 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-24 20:57:27,651 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-24 20:57:27,669 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-24 20:57:27,675 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-24 20:57:27,677 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-24 20:57:27,682 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-24 20:57:27,686 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-24 20:57:27,689 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-24 20:57:27,693 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-24 20:57:27,698 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-24 20:57:27,701 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-24 20:57:27,705 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-24 20:57:27,712 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-24 20:57:27,718 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-24 20:57:27,723 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-24 20:57:27,733 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-24 20:57:27,737 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-24 20:57:27,740 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-24 20:57:27,746 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-24 20:57:27,754 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-24 20:57:27,755 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-24 20:57:27,755 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-24 20:57:27,758 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-24 20:57:27,760 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-24 20:57:27,761 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-24 20:57:27,763 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-24 20:57:27,766 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-24 20:57:27,767 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-24 20:57:27,771 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-24 20:57:27,773 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-24 20:57:27,773 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-24 20:57:27,776 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-24 20:57:27,777 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-24 20:57:27,777 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-24 20:57:27,783 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-24 20:57:27,785 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-24 20:57:27,786 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2019-11-24 20:57:27,831 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-24 20:57:27,832 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-24 20:57:27,836 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-24 20:57:27,837 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-24 20:57:27,837 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-24 20:57:27,838 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-24 20:57:27,841 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-24 20:57:27,841 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-24 20:57:27,841 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-24 20:57:27,842 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-24 20:57:27,843 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-24 20:57:27,843 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-24 20:57:27,844 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-24 20:57:27,844 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2019-11-24 20:57:27,845 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-24 20:57:27,845 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-24 20:57:27,848 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-24 20:57:27,848 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-24 20:57:27,849 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-24 20:57:27,849 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-24 20:57:27,849 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-24 20:57:27,849 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-24 20:57:27,850 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-24 20:57:27,850 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-24 20:57:27,850 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-24 20:57:27,851 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-24 20:57:27,853 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-24 20:57:27,853 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-24 20:57:27,853 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-24 20:57:27,854 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 -> 59eeb987419dcfe257e9a43ab91add4815522ef5
[2019-11-24 20:57:28,409 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-24 20:57:28,440 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-24 20:57:28,446 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-24 20:57:28,450 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-24 20:57:28,451 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-24 20:57:28,454 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label47.c
[2019-11-24 20:57:28,624 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cd6f9279/207e2c21e17745138448e29d5fbf7548/FLAG7f79f84ea
[2019-11-24 20:57:30,266 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-24 20:57:30,273 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label47.c
[2019-11-24 20:57:30,342 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cd6f9279/207e2c21e17745138448e29d5fbf7548/FLAG7f79f84ea
[2019-11-24 20:57:30,380 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cd6f9279/207e2c21e17745138448e29d5fbf7548
[2019-11-24 20:57:30,388 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-24 20:57:30,396 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-11-24 20:57:30,398 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-24 20:57:30,399 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-24 20:57:30,408 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-24 20:57:30,410 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:57:30" (1/1) ...
[2019-11-24 20:57:30,418 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cad85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:30, skipping insertion in model container
[2019-11-24 20:57:30,419 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:57:30" (1/1) ...
[2019-11-24 20:57:30,438 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-24 20:57:30,670 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2019-11-24 20:57:33,165 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-24 20:57:33,180 INFO  L203         MainTranslator]: Completed pre-run
[2019-11-24 20:57:34,261 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-24 20:57:34,304 INFO  L208         MainTranslator]: Completed translation
[2019-11-24 20:57:34,310 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:34 WrapperNode
[2019-11-24 20:57:34,310 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-24 20:57:34,311 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-24 20:57:34,312 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-24 20:57:34,312 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-24 20:57:34,325 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:34" (1/1) ...
[2019-11-24 20:57:34,399 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:34" (1/1) ...
[2019-11-24 20:57:34,720 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-24 20:57:34,724 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-24 20:57:34,724 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-24 20:57:34,725 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-24 20:57:34,747 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:34" (1/1) ...
[2019-11-24 20:57:34,748 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:34" (1/1) ...
[2019-11-24 20:57:34,793 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:34" (1/1) ...
[2019-11-24 20:57:34,796 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:34" (1/1) ...
[2019-11-24 20:57:35,000 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:34" (1/1) ...
[2019-11-24 20:57:35,062 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:34" (1/1) ...
[2019-11-24 20:57:35,160 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:34" (1/1) ...
[2019-11-24 20:57:35,260 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-24 20:57:35,273 INFO  L168              Benchmark]: Toolchain (without parser) took 4875.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 804.3 MB in the end (delta: 146.0 MB). Peak memory consumption was 146.0 MB. Max. memory is 12.5 GB.
[2019-11-24 20:57:35,276 INFO  L168              Benchmark]: CDTParser took 1.36 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.
[2019-11-24 20:57:35,278 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 3912.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 867.8 MB in the end (delta: 82.4 MB). Peak memory consumption was 82.5 MB. Max. memory is 12.5 GB.
[2019-11-24 20:57:35,282 INFO  L168              Benchmark]: Boogie Procedure Inliner took 412.35 ms. Allocated memory is still 1.0 GB. Free memory was 867.8 MB in the beginning and 827.7 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB.
[2019-11-24 20:57:35,286 INFO  L168              Benchmark]: Boogie Preprocessor took 541.66 ms. Allocated memory is still 1.0 GB. Free memory was 827.7 MB in the beginning and 804.3 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 12.5 GB.
[2019-11-24 20:57:35,297 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 1.36 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 3912.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 867.8 MB in the end (delta: 82.4 MB). Peak memory consumption was 82.5 MB. Max. memory is 12.5 GB.
 * Boogie Procedure Inliner took 412.35 ms. Allocated memory is still 1.0 GB. Free memory was 867.8 MB in the beginning and 827.7 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB.
 * Boogie Preprocessor took 541.66 ms. Allocated memory is still 1.0 GB. Free memory was 827.7 MB in the beginning and 804.3 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 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 0.1.24-32f2683
[2019-11-24 20:57:39,166 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-24 20:57:39,171 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-24 20:57:39,205 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-24 20:57:39,207 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-24 20:57:39,211 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-24 20:57:39,216 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-24 20:57:39,232 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-24 20:57:39,240 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-24 20:57:39,242 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-24 20:57:39,246 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-24 20:57:39,250 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-24 20:57:39,253 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-24 20:57:39,258 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-24 20:57:39,261 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-24 20:57:39,267 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-24 20:57:39,270 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-24 20:57:39,276 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-24 20:57:39,279 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-24 20:57:39,289 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-24 20:57:39,296 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-24 20:57:39,304 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-24 20:57:39,307 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-24 20:57:39,311 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-24 20:57:39,322 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-24 20:57:39,323 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-24 20:57:39,323 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-24 20:57:39,325 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-24 20:57:39,326 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-24 20:57:39,327 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-24 20:57:39,329 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-24 20:57:39,330 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-24 20:57:39,331 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-24 20:57:39,334 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-24 20:57:39,339 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-24 20:57:39,339 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-24 20:57:39,341 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-24 20:57:39,344 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-24 20:57:39,344 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-24 20:57:39,346 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-24 20:57:39,350 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-24 20:57:39,351 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2019-11-24 20:57:39,394 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-24 20:57:39,395 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-24 20:57:39,399 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-24 20:57:39,403 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-24 20:57:39,403 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-24 20:57:39,404 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-24 20:57:39,404 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-24 20:57:39,404 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-24 20:57:39,405 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-24 20:57:39,405 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-24 20:57:39,406 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-24 20:57:39,407 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-24 20:57:39,407 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2019-11-24 20:57:39,409 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2019-11-24 20:57:39,410 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2019-11-24 20:57:39,410 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-24 20:57:39,410 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-24 20:57:39,412 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-24 20:57:39,412 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-24 20:57:39,412 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-24 20:57:39,413 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-24 20:57:39,413 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-24 20:57:39,415 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-24 20:57:39,415 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-24 20:57:39,415 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-24 20:57:39,416 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-24 20:57:39,416 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-24 20:57:39,418 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2019-11-24 20:57:39,418 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt
[2019-11-24 20:57:39,418 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-24 20:57:39,420 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-11-24 20:57:39,420 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 -> 59eeb987419dcfe257e9a43ab91add4815522ef5
[2019-11-24 20:57:39,967 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-24 20:57:40,001 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-24 20:57:40,005 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-24 20:57:40,013 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-24 20:57:40,015 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-24 20:57:40,016 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label47.c
[2019-11-24 20:57:40,178 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ddd5f60/ad80044483e74a5f995b991987dc7781/FLAGf9ba3ec01
[2019-11-24 20:57:41,815 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-24 20:57:41,820 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label47.c
[2019-11-24 20:57:41,888 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ddd5f60/ad80044483e74a5f995b991987dc7781/FLAGf9ba3ec01
[2019-11-24 20:57:41,929 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ddd5f60/ad80044483e74a5f995b991987dc7781
[2019-11-24 20:57:41,939 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-24 20:57:41,941 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-11-24 20:57:41,945 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-24 20:57:41,947 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-24 20:57:41,954 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-24 20:57:41,957 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:57:41" (1/1) ...
[2019-11-24 20:57:41,965 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cad85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:41, skipping insertion in model container
[2019-11-24 20:57:41,967 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:57:41" (1/1) ...
[2019-11-24 20:57:41,987 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-24 20:57:42,218 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2019-11-24 20:57:44,736 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-24 20:57:44,755 INFO  L203         MainTranslator]: Completed pre-run
[2019-11-24 20:57:46,169 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-24 20:57:46,232 INFO  L208         MainTranslator]: Completed translation
[2019-11-24 20:57:46,235 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:46 WrapperNode
[2019-11-24 20:57:46,236 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-24 20:57:46,237 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-24 20:57:46,240 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-24 20:57:46,242 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-24 20:57:46,261 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:46" (1/1) ...
[2019-11-24 20:57:46,353 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:46" (1/1) ...
[2019-11-24 20:57:46,683 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-24 20:57:46,684 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-24 20:57:46,684 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-24 20:57:46,684 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-24 20:57:46,706 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:46" (1/1) ...
[2019-11-24 20:57:46,711 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:46" (1/1) ...
[2019-11-24 20:57:46,760 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:46" (1/1) ...
[2019-11-24 20:57:46,764 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:46" (1/1) ...
[2019-11-24 20:57:46,920 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:46" (1/1) ...
[2019-11-24 20:57:46,987 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:46" (1/1) ...
[2019-11-24 20:57:47,021 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:57:46" (1/1) ...
[2019-11-24 20:57:47,077 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-24 20:57:47,088 INFO  L168              Benchmark]: Toolchain (without parser) took 5141.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 799.0 MB in the end (delta: 151.2 MB). Peak memory consumption was 151.3 MB. Max. memory is 12.5 GB.
[2019-11-24 20:57:47,091 INFO  L168              Benchmark]: CDTParser took 3.01 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.
[2019-11-24 20:57:47,093 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 4291.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 845.1 MB in the end (delta: 105.1 MB). Peak memory consumption was 105.2 MB. Max. memory is 12.5 GB.
[2019-11-24 20:57:47,095 INFO  L168              Benchmark]: Boogie Procedure Inliner took 446.66 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.2 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 12.5 GB.
[2019-11-24 20:57:47,101 INFO  L168              Benchmark]: Boogie Preprocessor took 395.73 ms. Allocated memory is still 1.0 GB. Free memory was 816.2 MB in the beginning and 799.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB.
[2019-11-24 20:57:47,111 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 3.01 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 4291.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 845.1 MB in the end (delta: 105.1 MB). Peak memory consumption was 105.2 MB. Max. memory is 12.5 GB.
 * Boogie Procedure Inliner took 446.66 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.2 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 12.5 GB.
 * Boogie Preprocessor took 395.73 ms. Allocated memory is still 1.0 GB. Free memory was 816.2 MB in the beginning and 799.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...