./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output --architecture 64bit


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


Checking for overflows
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fbb0d7-3951-42d8-850f-341bc95132d9/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fbb0d7-3951-42d8-850f-341bc95132d9/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fbb0d7-3951-42d8-850f-341bc95132d9/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fbb0d7-3951-42d8-850f-341bc95132d9/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fbb0d7-3951-42d8-850f-341bc95132d9/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fbb0d7-3951-42d8-850f-341bc95132d9/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 572b8de07d1f821f0da98e07dc076c6e731e73f0
..............................................................................................................................
Execution finished normally
Using bit-precise analysis
No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fbb0d7-3951-42d8-850f-341bc95132d9/bin/uautomizer-Z5i5R5N3CC/config using search string *Overflow*64bit*_Bitvector*.epf
No suitable settings file found using Overflow*64bit*_Bitvector
ERROR: UNSUPPORTED PROPERTY
Writing output log to file Ultimate.log
Result:
UNKNOWN
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:30:58,823 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:30:58,826 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:30:58,857 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:30:58,858 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:30:58,864 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:30:58,868 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:30:58,873 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:30:58,876 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:30:58,882 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:30:58,883 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:30:58,885 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:30:58,885 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:30:58,889 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:30:58,890 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:30:58,893 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:30:58,894 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:30:58,896 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:30:58,901 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:30:58,909 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:30:58,911 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:30:58,913 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:30:58,916 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:30:58,917 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:30:58,926 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:30:58,927 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:30:58,928 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:30:58,930 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:30:58,931 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:30:58,933 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:30:58,933 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:30:58,934 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:30:58,936 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:30:58,938 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:30:58,939 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:30:58,940 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:30:58,941 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:30:58,942 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:30:58,942 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:30:58,943 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:30:58,944 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:30:58,946 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fbb0d7-3951-42d8-850f-341bc95132d9/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2021-10-11 00:30:58,993 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-11 00:30:58,993 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:30:58,995 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:30:58,996 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-11 00:30:58,996 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-11 00:30:58,996 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:30:58,996 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-11 00:30:58,997 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-11 00:30:58,997 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-11 00:30:58,997 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:30:58,998 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:30:58,999 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:30:58,999 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2021-10-11 00:30:58,999 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-11 00:30:59,000 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-11 00:30:59,000 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:30:59,000 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:30:59,000 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-11 00:30:59,001 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-11 00:30:59,001 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:30:59,001 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:30:59,001 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:30:59,002 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:30:59,002 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-11 00:30:59,002 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:30:59,002 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:30:59,003 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-11 00:30:59,003 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fbb0d7-3951-42d8-850f-341bc95132d9/bin/uautomizer-Z5i5R5N3CC/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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fbb0d7-3951-42d8-850f-341bc95132d9/bin/uautomizer-Z5i5R5N3CC
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 ! overflow) )


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 -> 572b8de07d1f821f0da98e07dc076c6e731e73f0
[2021-10-11 00:30:59,303 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:30:59,337 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:30:59,340 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:30:59,341 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-11 00:30:59,344 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-11 00:30:59,345 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fbb0d7-3951-42d8-850f-341bc95132d9/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i
[2021-10-11 00:30:59,434 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fbb0d7-3951-42d8-850f-341bc95132d9/bin/uautomizer-Z5i5R5N3CC/data/1e226cfbd/cec7dab41a324225994694eafb408ff8/FLAGa868dda6b
[2021-10-11 00:31:00,250 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-11 00:31:00,252 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fbb0d7-3951-42d8-850f-341bc95132d9/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i
[2021-10-11 00:31:00,287 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fbb0d7-3951-42d8-850f-341bc95132d9/bin/uautomizer-Z5i5R5N3CC/data/1e226cfbd/cec7dab41a324225994694eafb408ff8/FLAGa868dda6b
[2021-10-11 00:31:00,394 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fbb0d7-3951-42d8-850f-341bc95132d9/bin/uautomizer-Z5i5R5N3CC/data/1e226cfbd/cec7dab41a324225994694eafb408ff8
[2021-10-11 00:31:00,397 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:31:00,399 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:31:00,401 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:31:00,401 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:31:00,405 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:31:00,407 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:00" (1/1) ...
[2021-10-11 00:31:00,409 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f77f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:00, skipping insertion in model container
[2021-10-11 00:31:00,409 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:00" (1/1) ...
[2021-10-11 00:31:00,418 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-11 00:31:00,504 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:31:01,707 ERROR L326         MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf
[2021-10-11 00:31:01,707 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66697201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:01, skipping insertion in model container
[2021-10-11 00:31:01,708 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:31:01,708 INFO  L184        ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2021-10-11 00:31:01,711 INFO  L168              Benchmark]: Toolchain (without parser) took 1310.93 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 50.2 MB in the beginning and 76.4 MB in the end (delta: -26.2 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:31:01,713 INFO  L168              Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 88.1 MB. Free memory was 60.9 MB in the beginning and 60.9 MB in the end (delta: 31.4 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:31:01,714 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 1307.58 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 49.9 MB in the beginning and 76.4 MB in the end (delta: -26.5 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:31:01,716 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.68 ms. Allocated memory is still 88.1 MB. Free memory was 60.9 MB in the beginning and 60.9 MB in the end (delta: 31.4 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 1307.58 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 49.9 MB in the beginning and 76.4 MB in the end (delta: -26.5 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - UnsupportedSyntaxResult [Line: 2344]: Unsupported Syntax
    encountered a call to a var args function, var args are not supported at the moment: xasprintf
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...