./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label18.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 509859d6
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/Problem01_label18.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 eb8eeb6e67f290f9d56e698aa8c9c7a779115813
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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/Problem01_label18.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 eb8eeb6e67f290f9d56e698aa8c9c7a779115813
.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN
--- Real Ultimate output ---
This is Ultimate 0.1.24-509859d
[2019-11-27 15:42:32,813 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-27 15:42:32,819 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-27 15:42:32,851 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-27 15:42:32,853 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-27 15:42:32,855 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-27 15:42:32,864 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-27 15:42:32,879 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-27 15:42:32,883 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-27 15:42:32,889 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-27 15:42:32,894 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-27 15:42:32,896 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-27 15:42:32,900 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-27 15:42:32,903 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-27 15:42:32,907 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-27 15:42:32,910 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-27 15:42:32,915 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-27 15:42:32,918 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-27 15:42:32,924 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-27 15:42:32,932 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-27 15:42:32,942 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-27 15:42:32,947 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-27 15:42:32,951 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-27 15:42:32,955 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-27 15:42:32,963 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-27 15:42:32,965 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-27 15:42:32,965 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-27 15:42:32,969 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-27 15:42:32,970 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-27 15:42:32,974 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-27 15:42:32,974 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-27 15:42:32,975 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-27 15:42:32,976 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-27 15:42:32,979 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-27 15:42:32,981 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-27 15:42:32,983 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-27 15:42:32,986 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-27 15:42:32,987 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-27 15:42:32,987 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-27 15:42:32,989 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-27 15:42:32,994 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-27 15:42:32,995 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2019-11-27 15:42:33,035 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-27 15:42:33,036 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-27 15:42:33,040 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-27 15:42:33,042 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-27 15:42:33,042 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-27 15:42:33,044 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-27 15:42:33,044 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-27 15:42:33,044 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-27 15:42:33,045 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-27 15:42:33,045 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-27 15:42:33,048 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-27 15:42:33,048 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-27 15:42:33,049 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-27 15:42:33,049 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-27 15:42:33,050 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-27 15:42:33,052 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-27 15:42:33,052 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-27 15:42:33,052 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-27 15:42:33,053 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-27 15:42:33,053 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-27 15:42:33,053 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-27 15:42:33,054 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-27 15:42:33,055 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-27 15:42:33,055 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-27 15:42:33,055 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-27 15:42:33,057 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-27 15:42:33,057 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-27 15:42:33,057 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-27 15:42:33,058 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 -> eb8eeb6e67f290f9d56e698aa8c9c7a779115813
[2019-11-27 15:42:33,599 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-27 15:42:33,626 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-27 15:42:33,634 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-27 15:42:33,637 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-27 15:42:33,639 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-27 15:42:33,643 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label18.c
[2019-11-27 15:42:33,812 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4b839d74/9ef8891e4570468289b0d282b676385f/FLAGfc1e6cff7
[2019-11-27 15:42:35,064 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-27 15:42:35,066 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label18.c
[2019-11-27 15:42:35,104 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4b839d74/9ef8891e4570468289b0d282b676385f/FLAGfc1e6cff7
[2019-11-27 15:42:35,147 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4b839d74/9ef8891e4570468289b0d282b676385f
[2019-11-27 15:42:35,156 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-27 15:42:35,161 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-11-27 15:42:35,165 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-27 15:42:35,168 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-27 15:42:35,172 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-27 15:42:35,176 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:35" (1/1) ...
[2019-11-27 15:42:35,186 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:35, skipping insertion in model container
[2019-11-27 15:42:35,187 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:35" (1/1) ...
[2019-11-27 15:42:35,207 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-27 15:42:35,320 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2019-11-27 15:42:36,400 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-27 15:42:36,424 INFO  L203         MainTranslator]: Completed pre-run
[2019-11-27 15:42:36,695 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-27 15:42:36,733 INFO  L208         MainTranslator]: Completed translation
[2019-11-27 15:42:36,736 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:36 WrapperNode
[2019-11-27 15:42:36,737 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-27 15:42:36,741 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-27 15:42:36,741 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-27 15:42:36,741 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-27 15:42:36,762 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:36" (1/1) ...
[2019-11-27 15:42:36,812 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:36" (1/1) ...
[2019-11-27 15:42:36,973 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-27 15:42:36,979 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-27 15:42:36,980 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-27 15:42:36,980 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-27 15:42:37,002 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:36" (1/1) ...
[2019-11-27 15:42:37,004 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:36" (1/1) ...
[2019-11-27 15:42:37,016 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:36" (1/1) ...
[2019-11-27 15:42:37,017 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:36" (1/1) ...
[2019-11-27 15:42:37,069 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:36" (1/1) ...
[2019-11-27 15:42:37,104 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:36" (1/1) ...
[2019-11-27 15:42:37,125 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:36" (1/1) ...
[2019-11-27 15:42:37,145 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-27 15:42:37,155 INFO  L168              Benchmark]: Toolchain (without parser) took 1987.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 950.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 11.0 MB. Max. memory is 12.5 GB.
[2019-11-27 15:42:37,156 INFO  L168              Benchmark]: CDTParser took 0.45 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 15:42:37,158 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 1573.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 962.2 MB in the end (delta: -541.0 kB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB.
[2019-11-27 15:42:37,161 INFO  L168              Benchmark]: Boogie Procedure Inliner took 237.92 ms. Allocated memory is still 1.0 GB. Free memory was 962.2 MB in the beginning and 956.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB.
[2019-11-27 15:42:37,165 INFO  L168              Benchmark]: Boogie Preprocessor took 166.39 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 950.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB.
[2019-11-27 15:42:37,177 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.45 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 1573.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 962.2 MB in the end (delta: -541.0 kB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB.
 * Boogie Procedure Inliner took 237.92 ms. Allocated memory is still 1.0 GB. Free memory was 962.2 MB in the beginning and 956.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB.
 * Boogie Preprocessor took 166.39 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 950.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 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 0.1.24-509859d
[2019-11-27 15:42:41,014 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-27 15:42:41,017 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-27 15:42:41,039 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-27 15:42:41,041 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-27 15:42:41,058 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-27 15:42:41,060 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-27 15:42:41,076 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-27 15:42:41,080 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-27 15:42:41,088 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-27 15:42:41,090 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-27 15:42:41,094 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-27 15:42:41,096 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-27 15:42:41,102 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-27 15:42:41,107 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-27 15:42:41,109 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-27 15:42:41,112 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-27 15:42:41,117 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-27 15:42:41,122 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-27 15:42:41,133 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-27 15:42:41,135 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-27 15:42:41,136 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-27 15:42:41,143 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-27 15:42:41,146 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-27 15:42:41,153 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-27 15:42:41,156 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-27 15:42:41,156 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-27 15:42:41,158 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-27 15:42:41,159 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-27 15:42:41,162 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-27 15:42:41,163 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-27 15:42:41,165 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-27 15:42:41,168 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-27 15:42:41,169 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-27 15:42:41,172 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-27 15:42:41,176 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-27 15:42:41,177 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-27 15:42:41,178 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-27 15:42:41,178 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-27 15:42:41,187 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-27 15:42:41,189 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-27 15:42:41,190 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2019-11-27 15:42:41,230 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-27 15:42:41,232 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-27 15:42:41,236 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-27 15:42:41,237 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-27 15:42:41,240 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-27 15:42:41,240 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-27 15:42:41,241 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-27 15:42:41,241 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-27 15:42:41,241 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-27 15:42:41,241 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-27 15:42:41,243 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-27 15:42:41,243 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-27 15:42:41,243 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2019-11-27 15:42:41,245 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2019-11-27 15:42:41,245 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-27 15:42:41,246 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-27 15:42:41,247 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-27 15:42:41,247 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-27 15:42:41,247 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-27 15:42:41,250 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-27 15:42:41,250 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-27 15:42:41,250 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-27 15:42:41,251 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-27 15:42:41,251 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-27 15:42:41,251 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-27 15:42:41,253 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-27 15:42:41,253 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2019-11-27 15:42:41,253 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt
[2019-11-27 15:42:41,254 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-27 15:42:41,256 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-11-27 15:42:41,257 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 -> eb8eeb6e67f290f9d56e698aa8c9c7a779115813
[2019-11-27 15:42:41,817 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-27 15:42:41,845 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-27 15:42:41,849 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-27 15:42:41,857 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-27 15:42:41,857 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-27 15:42:41,859 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label18.c
[2019-11-27 15:42:42,007 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01afd1f28/4e2d9d25074a453e9a8528022a2bb933/FLAGcc9806240
[2019-11-27 15:42:43,247 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-27 15:42:43,248 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label18.c
[2019-11-27 15:42:43,278 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01afd1f28/4e2d9d25074a453e9a8528022a2bb933/FLAGcc9806240
[2019-11-27 15:42:43,319 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01afd1f28/4e2d9d25074a453e9a8528022a2bb933
[2019-11-27 15:42:43,328 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-27 15:42:43,332 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-11-27 15:42:43,337 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-27 15:42:43,338 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-27 15:42:43,347 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-27 15:42:43,350 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:43" (1/1) ...
[2019-11-27 15:42:43,357 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36afd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:43, skipping insertion in model container
[2019-11-27 15:42:43,359 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:43" (1/1) ...
[2019-11-27 15:42:43,374 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-27 15:42:43,498 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2019-11-27 15:42:44,564 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-27 15:42:44,582 INFO  L203         MainTranslator]: Completed pre-run
[2019-11-27 15:42:44,867 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-27 15:42:44,906 INFO  L208         MainTranslator]: Completed translation
[2019-11-27 15:42:44,911 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:44 WrapperNode
[2019-11-27 15:42:44,912 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-27 15:42:44,913 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-27 15:42:44,916 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-27 15:42:44,916 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-27 15:42:44,935 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:44" (1/1) ...
[2019-11-27 15:42:44,991 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:44" (1/1) ...
[2019-11-27 15:42:45,137 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-27 15:42:45,142 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-27 15:42:45,145 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-27 15:42:45,145 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-27 15:42:45,166 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:44" (1/1) ...
[2019-11-27 15:42:45,167 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:44" (1/1) ...
[2019-11-27 15:42:45,186 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:44" (1/1) ...
[2019-11-27 15:42:45,188 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:44" (1/1) ...
[2019-11-27 15:42:45,250 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:44" (1/1) ...
[2019-11-27 15:42:45,280 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:44" (1/1) ...
[2019-11-27 15:42:45,302 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:44" (1/1) ...
[2019-11-27 15:42:45,331 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-27 15:42:45,346 INFO  L168              Benchmark]: Toolchain (without parser) took 2012.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 955.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 12.5 GB.
[2019-11-27 15:42:45,352 INFO  L168              Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB.
[2019-11-27 15:42:45,356 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 1574.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.4 MB in the end (delta: 975.4 kB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB.
[2019-11-27 15:42:45,357 INFO  L168              Benchmark]: Boogie Procedure Inliner took 228.65 ms. Allocated memory is still 1.0 GB. Free memory was 966.4 MB in the beginning and 960.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB.
[2019-11-27 15:42:45,361 INFO  L168              Benchmark]: Boogie Preprocessor took 195.97 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 955.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB.
[2019-11-27 15:42:45,372 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB.
 * CACSL2BoogieTranslator took 1574.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.4 MB in the end (delta: 975.4 kB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB.
 * Boogie Procedure Inliner took 228.65 ms. Allocated memory is still 1.0 GB. Free memory was 966.4 MB in the beginning and 960.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB.
 * Boogie Preprocessor took 195.97 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 955.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...