./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label41.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/Problem16_label41.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 c9805a3494eacbd4cbafa012510af1c588e291d0
..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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/Problem16_label41.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 c9805a3494eacbd4cbafa012510af1c588e291d0
...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 20:55:50,074 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-24 20:55:50,080 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-24 20:55:50,116 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-24 20:55:50,116 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-24 20:55:50,119 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-24 20:55:50,121 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-24 20:55:50,138 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-24 20:55:50,141 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-24 20:55:50,147 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-24 20:55:50,152 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-24 20:55:50,155 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-24 20:55:50,157 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-24 20:55:50,163 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-24 20:55:50,168 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-24 20:55:50,171 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-24 20:55:50,176 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-24 20:55:50,179 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-24 20:55:50,186 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-24 20:55:50,194 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-24 20:55:50,200 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-24 20:55:50,208 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-24 20:55:50,210 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-24 20:55:50,214 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-24 20:55:50,224 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-24 20:55:50,224 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-24 20:55:50,225 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-24 20:55:50,227 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-24 20:55:50,227 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-24 20:55:50,231 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-24 20:55:50,231 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-24 20:55:50,232 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-24 20:55:50,235 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-24 20:55:50,237 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-24 20:55:50,238 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-24 20:55:50,239 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-24 20:55:50,245 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-24 20:55:50,246 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-24 20:55:50,246 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-24 20:55:50,247 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-24 20:55:50,251 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-24 20:55:50,252 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2019-11-24 20:55:50,290 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-24 20:55:50,292 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-24 20:55:50,296 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-24 20:55:50,300 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-24 20:55:50,300 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-24 20:55:50,301 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-24 20:55:50,301 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-24 20:55:50,301 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-24 20:55:50,301 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-24 20:55:50,302 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-24 20:55:50,303 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-24 20:55:50,303 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-24 20:55:50,306 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-24 20:55:50,306 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2019-11-24 20:55:50,307 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-24 20:55:50,307 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-24 20:55:50,307 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-24 20:55:50,308 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-24 20:55:50,308 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-24 20:55:50,309 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-24 20:55:50,312 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-24 20:55:50,312 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-24 20:55:50,313 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-24 20:55:50,313 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-24 20:55:50,313 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-24 20:55:50,314 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-24 20:55:50,314 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-24 20:55:50,314 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-24 20:55:50,315 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-24 20:55:50,315 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 -> c9805a3494eacbd4cbafa012510af1c588e291d0
[2019-11-24 20:55:50,854 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-24 20:55:50,885 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-24 20:55:50,892 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-24 20:55:50,894 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-24 20:55:50,897 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-24 20:55:50,898 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label41.c
[2019-11-24 20:55:51,055 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b285ced6d/fde71dbd2b854c4298071fa04f460124/FLAGdf432594c
[2019-11-24 20:55:52,532 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-24 20:55:52,534 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label41.c
[2019-11-24 20:55:52,570 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b285ced6d/fde71dbd2b854c4298071fa04f460124/FLAGdf432594c
[2019-11-24 20:55:52,609 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b285ced6d/fde71dbd2b854c4298071fa04f460124
[2019-11-24 20:55:52,617 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-24 20:55:52,622 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-11-24 20:55:52,627 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-24 20:55:52,628 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-24 20:55:52,634 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-24 20:55:52,638 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:55:52" (1/1) ...
[2019-11-24 20:55:52,649 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 24.11 08:55:52, skipping insertion in model container
[2019-11-24 20:55:52,650 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:55:52" (1/1) ...
[2019-11-24 20:55:52,660 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-24 20:55:52,828 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2019-11-24 20:55:54,639 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-24 20:55:54,654 INFO  L203         MainTranslator]: Completed pre-run
[2019-11-24 20:55:55,291 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-24 20:55:55,334 INFO  L208         MainTranslator]: Completed translation
[2019-11-24 20:55:55,339 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:55 WrapperNode
[2019-11-24 20:55:55,340 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-24 20:55:55,341 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-24 20:55:55,343 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-24 20:55:55,343 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-24 20:55:55,364 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:55" (1/1) ...
[2019-11-24 20:55:55,456 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:55" (1/1) ...
[2019-11-24 20:55:55,722 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-24 20:55:55,724 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-24 20:55:55,727 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-24 20:55:55,727 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-24 20:55:55,747 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:55" (1/1) ...
[2019-11-24 20:55:55,751 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:55" (1/1) ...
[2019-11-24 20:55:55,776 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:55" (1/1) ...
[2019-11-24 20:55:55,780 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:55" (1/1) ...
[2019-11-24 20:55:55,887 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:55" (1/1) ...
[2019-11-24 20:55:55,951 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:55" (1/1) ...
[2019-11-24 20:55:55,996 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:55:55" (1/1) ...
[2019-11-24 20:55:56,028 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-24 20:55:56,041 INFO  L168              Benchmark]: Toolchain (without parser) took 3414.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 892.3 MB in the end (delta: 63.6 MB). Peak memory consumption was 63.7 MB. Max. memory is 12.5 GB.
[2019-11-24 20:55:56,042 INFO  L168              Benchmark]: CDTParser took 2.04 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 20:55:56,048 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 2712.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 938.3 MB in the end (delta: 17.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 12.5 GB.
[2019-11-24 20:55:56,055 INFO  L168              Benchmark]: Boogie Procedure Inliner took 382.95 ms. Allocated memory is still 1.0 GB. Free memory was 938.3 MB in the beginning and 915.4 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB.
[2019-11-24 20:55:56,057 INFO  L168              Benchmark]: Boogie Preprocessor took 308.71 ms. Allocated memory is still 1.0 GB. Free memory was 915.4 MB in the beginning and 892.3 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 12.5 GB.
[2019-11-24 20:55:56,068 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 2.04 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 2712.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 938.3 MB in the end (delta: 17.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 12.5 GB.
 * Boogie Procedure Inliner took 382.95 ms. Allocated memory is still 1.0 GB. Free memory was 938.3 MB in the beginning and 915.4 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB.
 * Boogie Preprocessor took 308.71 ms. Allocated memory is still 1.0 GB. Free memory was 915.4 MB in the beginning and 892.3 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 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 20:56:00,058 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-24 20:56:00,061 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-24 20:56:00,099 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-24 20:56:00,101 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-24 20:56:00,102 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-24 20:56:00,112 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-24 20:56:00,125 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-24 20:56:00,128 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-24 20:56:00,134 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-24 20:56:00,139 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-24 20:56:00,142 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-24 20:56:00,145 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-24 20:56:00,149 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-24 20:56:00,153 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-24 20:56:00,158 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-24 20:56:00,160 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-24 20:56:00,165 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-24 20:56:00,171 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-24 20:56:00,178 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-24 20:56:00,186 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-24 20:56:00,193 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-24 20:56:00,198 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-24 20:56:00,200 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-24 20:56:00,207 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-24 20:56:00,209 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-24 20:56:00,209 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-24 20:56:00,213 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-24 20:56:00,214 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-24 20:56:00,216 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-24 20:56:00,219 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-24 20:56:00,220 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-24 20:56:00,221 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-24 20:56:00,225 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-24 20:56:00,226 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-24 20:56:00,229 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-24 20:56:00,230 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-24 20:56:00,230 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-24 20:56:00,231 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-24 20:56:00,234 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-24 20:56:00,236 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-24 20:56:00,237 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2019-11-24 20:56:00,276 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-24 20:56:00,277 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-24 20:56:00,281 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-24 20:56:00,282 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-24 20:56:00,284 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-24 20:56:00,284 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-24 20:56:00,284 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-24 20:56:00,285 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-24 20:56:00,287 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-24 20:56:00,287 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-24 20:56:00,288 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-24 20:56:00,289 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-24 20:56:00,289 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2019-11-24 20:56:00,290 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2019-11-24 20:56:00,292 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2019-11-24 20:56:00,292 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-24 20:56:00,292 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-24 20:56:00,293 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-24 20:56:00,293 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-24 20:56:00,293 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-24 20:56:00,295 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-24 20:56:00,295 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-24 20:56:00,295 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-24 20:56:00,296 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-24 20:56:00,298 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-24 20:56:00,298 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-24 20:56:00,298 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-24 20:56:00,299 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2019-11-24 20:56:00,299 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt
[2019-11-24 20:56:00,299 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-24 20:56:00,302 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-11-24 20:56:00,302 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 -> c9805a3494eacbd4cbafa012510af1c588e291d0
[2019-11-24 20:56:00,885 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-24 20:56:00,913 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-24 20:56:00,923 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-24 20:56:00,925 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-24 20:56:00,926 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-24 20:56:00,928 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label41.c
[2019-11-24 20:56:01,080 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0035f8b46/580570fb43d841d78c620c364ab21303/FLAG7a774f8af
[2019-11-24 20:56:02,491 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-24 20:56:02,492 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label41.c
[2019-11-24 20:56:02,542 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0035f8b46/580570fb43d841d78c620c364ab21303/FLAG7a774f8af
[2019-11-24 20:56:02,579 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0035f8b46/580570fb43d841d78c620c364ab21303
[2019-11-24 20:56:02,590 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-24 20:56:02,592 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-11-24 20:56:02,596 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-24 20:56:02,596 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-24 20:56:02,604 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-24 20:56:02,608 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:56:02" (1/1) ...
[2019-11-24 20:56:02,615 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:56:02, skipping insertion in model container
[2019-11-24 20:56:02,618 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:56:02" (1/1) ...
[2019-11-24 20:56:02,660 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-24 20:56:02,814 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2019-11-24 20:56:04,651 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-24 20:56:04,666 INFO  L203         MainTranslator]: Completed pre-run
[2019-11-24 20:56:05,238 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-24 20:56:05,282 INFO  L208         MainTranslator]: Completed translation
[2019-11-24 20:56:05,283 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:56:05 WrapperNode
[2019-11-24 20:56:05,283 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-24 20:56:05,287 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-24 20:56:05,288 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-24 20:56:05,289 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-24 20:56:05,307 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:56:05" (1/1) ...
[2019-11-24 20:56:05,377 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:56:05" (1/1) ...
[2019-11-24 20:56:05,558 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-24 20:56:05,559 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-24 20:56:05,559 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-24 20:56:05,559 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-24 20:56:05,576 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:56:05" (1/1) ...
[2019-11-24 20:56:05,577 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:56:05" (1/1) ...
[2019-11-24 20:56:05,622 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:56:05" (1/1) ...
[2019-11-24 20:56:05,627 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:56:05" (1/1) ...
[2019-11-24 20:56:05,741 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:56:05" (1/1) ...
[2019-11-24 20:56:05,793 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:56:05" (1/1) ...
[2019-11-24 20:56:05,824 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:56:05" (1/1) ...
[2019-11-24 20:56:05,855 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-24 20:56:05,867 INFO  L168              Benchmark]: Toolchain (without parser) took 3270.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 892.6 MB in the end (delta: 63.3 MB). Peak memory consumption was 63.4 MB. Max. memory is 12.5 GB.
[2019-11-24 20:56:05,870 INFO  L168              Benchmark]: CDTParser took 0.46 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 20:56:05,872 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 2687.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 915.5 MB in the end (delta: 40.4 MB). Peak memory consumption was 40.5 MB. Max. memory is 12.5 GB.
[2019-11-24 20:56:05,875 INFO  L168              Benchmark]: Boogie Procedure Inliner took 271.12 ms. Allocated memory is still 1.0 GB. Free memory was 915.5 MB in the beginning and 904.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB.
[2019-11-24 20:56:05,879 INFO  L168              Benchmark]: Boogie Preprocessor took 301.15 ms. Allocated memory is still 1.0 GB. Free memory was 904.1 MB in the beginning and 892.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB.
[2019-11-24 20:56:05,889 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.46 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 2687.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 915.5 MB in the end (delta: 40.4 MB). Peak memory consumption was 40.5 MB. Max. memory is 12.5 GB.
 * Boogie Procedure Inliner took 271.12 ms. Allocated memory is still 1.0 GB. Free memory was 915.5 MB in the beginning and 904.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB.
 * Boogie Preprocessor took 301.15 ms. Allocated memory is still 1.0 GB. Free memory was 904.1 MB in the beginning and 892.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...