./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/printf-2.i --full-output --architecture 64bit


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


Checking for memory safety (deref-memtrack)
Using default analysis
Version 8d31f386
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/printf-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 960bc5aa42a3b68f012aa0dee90eed8f457f9581
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/printf-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 960bc5aa42a3b68f012aa0dee90eed8f457f9581
...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN
--- Real Ultimate output ---
This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38
[2021-07-06 12:31:44,160 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-07-06 12:31:44,162 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-07-06 12:31:44,192 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-07-06 12:31:44,193 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-07-06 12:31:44,197 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-07-06 12:31:44,201 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-07-06 12:31:44,206 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-07-06 12:31:44,208 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-07-06 12:31:44,213 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-07-06 12:31:44,214 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-07-06 12:31:44,215 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-07-06 12:31:44,216 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-07-06 12:31:44,218 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-07-06 12:31:44,219 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-07-06 12:31:44,221 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-07-06 12:31:44,221 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-07-06 12:31:44,222 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-07-06 12:31:44,226 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-07-06 12:31:44,227 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-07-06 12:31:44,231 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-07-06 12:31:44,232 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-07-06 12:31:44,233 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-07-06 12:31:44,241 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-07-06 12:31:44,245 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-07-06 12:31:44,246 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-07-06 12:31:44,246 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-07-06 12:31:44,247 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-07-06 12:31:44,248 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-07-06 12:31:44,249 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-07-06 12:31:44,249 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-07-06 12:31:44,249 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-07-06 12:31:44,251 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-07-06 12:31:44,251 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-07-06 12:31:44,252 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-07-06 12:31:44,252 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-07-06 12:31:44,253 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-07-06 12:31:44,253 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-07-06 12:31:44,253 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-07-06 12:31:44,255 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-07-06 12:31:44,255 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-07-06 12:31:44,258 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf
[2021-07-06 12:31:44,286 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-07-06 12:31:44,287 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-07-06 12:31:44,288 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-07-06 12:31:44,289 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-07-06 12:31:44,289 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-07-06 12:31:44,289 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-07-06 12:31:44,289 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-07-06 12:31:44,290 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-07-06 12:31:44,290 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-07-06 12:31:44,290 INFO  L138        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2021-07-06 12:31:44,291 INFO  L138        SettingsManager]:  * Bitprecise bitfields=true
[2021-07-06 12:31:44,291 INFO  L138        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2021-07-06 12:31:44,291 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-07-06 12:31:44,291 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2021-07-06 12:31:44,292 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-07-06 12:31:44,292 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-07-06 12:31:44,292 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-07-06 12:31:44,292 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-07-06 12:31:44,293 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-07-06 12:31:44,293 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-07-06 12:31:44,293 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-07-06 12:31:44,293 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-07-06 12:31:44,293 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-07-06 12:31:44,293 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-07-06 12:31:44,294 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
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 valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )


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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 960bc5aa42a3b68f012aa0dee90eed8f457f9581
[2021-07-06 12:31:44,537 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-07-06 12:31:44,563 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-07-06 12:31:44,565 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-07-06 12:31:44,566 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-07-06 12:31:44,566 INFO  L275        PluginConnector]: CDTParser initialized
[2021-07-06 12:31:44,581 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/printf-2.i
[2021-07-06 12:31:44,636 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caef6eba7/0a0f6a93b891411d8a29cd9a65e81480/FLAG431324f85
[2021-07-06 12:31:45,301 INFO  L306              CDTParser]: Found 1 translation units.
[2021-07-06 12:31:45,302 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/printf-2.i
[2021-07-06 12:31:45,334 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caef6eba7/0a0f6a93b891411d8a29cd9a65e81480/FLAG431324f85
[2021-07-06 12:31:45,629 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caef6eba7/0a0f6a93b891411d8a29cd9a65e81480
[2021-07-06 12:31:45,638 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-07-06 12:31:45,640 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-07-06 12:31:45,642 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-07-06 12:31:45,646 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-07-06 12:31:45,648 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-07-06 12:31:45,649 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 12:31:45" (1/1) ...
[2021-07-06 12:31:45,650 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46715480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 12:31:45, skipping insertion in model container
[2021-07-06 12:31:45,650 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 12:31:45" (1/1) ...
[2021-07-06 12:31:45,655 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-07-06 12:31:45,762 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-07-06 12:31:46,559 WARN  L224   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/printf-2.i[103699,103712]
[2021-07-06 12:31:46,567 WARN  L224   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/printf-2.i[103875,103888]
[2021-07-06 12:31:46,570 WARN  L224   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104048,104061]
[2021-07-06 12:31:46,572 WARN  L224   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104259,104272]
[2021-07-06 12:31:46,574 WARN  L224   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104572,104585]
[2021-07-06 12:31:46,587 ERROR L326         MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg
[2021-07-06 12:31:46,588 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3af91e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 12:31:46, skipping insertion in model container
[2021-07-06 12:31:46,588 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-07-06 12:31:46,588 INFO  L184        ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor
[2021-07-06 12:31:46,590 INFO  L168              Benchmark]: Toolchain (without parser) took 948.74 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 28.6 MB in the beginning and 33.9 MB in the end (delta: -5.3 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB.
[2021-07-06 12:31:46,590 INFO  L168              Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 48.2 MB. Free memory is still 29.6 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-07-06 12:31:46,592 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 945.97 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 28.5 MB in the beginning and 33.9 MB in the end (delta: -5.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB.
[2021-07-06 12:31:46,593 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.32 ms. Allocated memory is still 48.2 MB. Free memory is still 29.6 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 945.97 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 28.5 MB in the beginning and 33.9 MB in the end (delta: -5.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - UnsupportedSyntaxResult [Line: 2716]: Unsupported Syntax
    encountered a call to a var args function, var args are not supported at the moment: bb_error_msg
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...

### Bit-precise run ###
This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38
[2021-07-06 12:31:48,467 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-07-06 12:31:48,469 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-07-06 12:31:48,510 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-07-06 12:31:48,510 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-07-06 12:31:48,511 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-07-06 12:31:48,512 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-07-06 12:31:48,513 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-07-06 12:31:48,514 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-07-06 12:31:48,514 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-07-06 12:31:48,515 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-07-06 12:31:48,520 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-07-06 12:31:48,521 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-07-06 12:31:48,521 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-07-06 12:31:48,522 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-07-06 12:31:48,523 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-07-06 12:31:48,523 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-07-06 12:31:48,524 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-07-06 12:31:48,525 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-07-06 12:31:48,530 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-07-06 12:31:48,531 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-07-06 12:31:48,540 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-07-06 12:31:48,543 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-07-06 12:31:48,543 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-07-06 12:31:48,554 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-07-06 12:31:48,554 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-07-06 12:31:48,554 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-07-06 12:31:48,555 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-07-06 12:31:48,556 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-07-06 12:31:48,557 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-07-06 12:31:48,557 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-07-06 12:31:48,557 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-07-06 12:31:48,558 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-07-06 12:31:48,559 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-07-06 12:31:48,559 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-07-06 12:31:48,560 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-07-06 12:31:48,560 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-07-06 12:31:48,560 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-07-06 12:31:48,560 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-07-06 12:31:48,561 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-07-06 12:31:48,562 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-07-06 12:31:48,565 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf
[2021-07-06 12:31:48,602 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-07-06 12:31:48,603 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-07-06 12:31:48,604 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-07-06 12:31:48,605 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-07-06 12:31:48,605 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-07-06 12:31:48,605 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-07-06 12:31:48,605 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-07-06 12:31:48,605 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-07-06 12:31:48,605 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-07-06 12:31:48,606 INFO  L138        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2021-07-06 12:31:48,606 INFO  L138        SettingsManager]:  * Bitprecise bitfields=true
[2021-07-06 12:31:48,633 INFO  L138        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2021-07-06 12:31:48,633 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-07-06 12:31:48,633 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2021-07-06 12:31:48,633 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2021-07-06 12:31:48,633 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2021-07-06 12:31:48,634 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-07-06 12:31:48,634 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-07-06 12:31:48,634 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-07-06 12:31:48,634 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-07-06 12:31:48,634 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-07-06 12:31:48,634 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-07-06 12:31:48,634 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-07-06 12:31:48,634 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2021-07-06 12:31:48,634 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt 
[2021-07-06 12:31:48,634 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-07-06 12:31:48,634 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-07-06 12:31:48,635 INFO  L138        SettingsManager]:  * Logic for external solver=AUFBV
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
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 valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )


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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 960bc5aa42a3b68f012aa0dee90eed8f457f9581
[2021-07-06 12:31:49,004 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-07-06 12:31:49,039 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-07-06 12:31:49,041 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-07-06 12:31:49,042 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-07-06 12:31:49,042 INFO  L275        PluginConnector]: CDTParser initialized
[2021-07-06 12:31:49,043 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/printf-2.i
[2021-07-06 12:31:49,101 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e7c6f188/d8d71437a09041f18d5ce436f39ceb5e/FLAG1749560b3
[2021-07-06 12:31:49,749 INFO  L306              CDTParser]: Found 1 translation units.
[2021-07-06 12:31:49,750 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/printf-2.i
[2021-07-06 12:31:49,765 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e7c6f188/d8d71437a09041f18d5ce436f39ceb5e/FLAG1749560b3
[2021-07-06 12:31:49,987 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e7c6f188/d8d71437a09041f18d5ce436f39ceb5e
[2021-07-06 12:31:49,989 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-07-06 12:31:49,991 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-07-06 12:31:49,991 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-07-06 12:31:49,992 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-07-06 12:31:50,007 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-07-06 12:31:50,008 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 12:31:49" (1/1) ...
[2021-07-06 12:31:50,008 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35880041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 12:31:50, skipping insertion in model container
[2021-07-06 12:31:50,009 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 12:31:49" (1/1) ...
[2021-07-06 12:31:50,013 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-07-06 12:31:50,067 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-07-06 12:31:50,986 WARN  L224   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/printf-2.i[103699,103712]
[2021-07-06 12:31:50,988 WARN  L224   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/printf-2.i[103875,103888]
[2021-07-06 12:31:50,989 WARN  L224   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104048,104061]
[2021-07-06 12:31:50,990 WARN  L224   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104259,104272]
[2021-07-06 12:31:50,991 WARN  L224   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104572,104585]
[2021-07-06 12:31:50,995 ERROR L326         MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg
[2021-07-06 12:31:50,995 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d875285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 12:31:50, skipping insertion in model container
[2021-07-06 12:31:50,995 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-07-06 12:31:50,996 INFO  L184        ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor
[2021-07-06 12:31:50,997 INFO  L168              Benchmark]: Toolchain (without parser) took 1005.79 ms. Allocated memory is still 77.6 MB. Free memory was 57.4 MB in the beginning and 43.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB.
[2021-07-06 12:31:50,997 INFO  L168              Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 77.6 MB. Free memory was 59.4 MB in the beginning and 59.3 MB in the end (delta: 65.0 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-07-06 12:31:50,998 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 1004.15 ms. Allocated memory is still 77.6 MB. Free memory was 57.2 MB in the beginning and 43.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB.
[2021-07-06 12:31:50,999 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.29 ms. Allocated memory is still 77.6 MB. Free memory was 59.4 MB in the beginning and 59.3 MB in the end (delta: 65.0 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 1004.15 ms. Allocated memory is still 77.6 MB. Free memory was 57.2 MB in the beginning and 43.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - UnsupportedSyntaxResult [Line: 2716]: Unsupported Syntax
    encountered a call to a var args function, var args are not supported at the moment: bb_error_msg
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...