/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/busybox-1.22.0/printf-2.i


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


This is Ultimate 0.2.1-bitabs-178dd20
[2021-01-07 06:04:15,803 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-01-07 06:04:15,973 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf
[2021-01-07 06:04:16,024 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-01-07 06:04:16,024 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-01-07 06:04:16,029 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-01-07 06:04:16,030 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-01-07 06:04:16,030 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-01-07 06:04:16,030 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-01-07 06:04:16,030 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-01-07 06:04:16,031 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-01-07 06:04:16,031 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-01-07 06:04:16,032 INFO  L138        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2021-01-07 06:04:16,033 INFO  L138        SettingsManager]:  * Bitprecise bitfields=true
[2021-01-07 06:04:16,033 INFO  L138        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2021-01-07 06:04:16,033 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-01-07 06:04:16,034 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2021-01-07 06:04:16,034 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-01-07 06:04:16,034 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-01-07 06:04:16,034 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-01-07 06:04:16,035 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-01-07 06:04:16,035 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-01-07 06:04:16,035 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-01-07 06:04:16,035 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-01-07 06:04:16,035 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-01-07 06:04:16,036 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-01-07 06:04:16,036 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-01-07 06:04:16,036 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-bitabs/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-01-07 06:04:16,436 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-01-07 06:04:16,463 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-01-07 06:04:16,465 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-01-07 06:04:16,467 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-01-07 06:04:16,467 INFO  L275        PluginConnector]: CDTParser initialized
[2021-01-07 06:04:16,468 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/printf-2.i
[2021-01-07 06:04:16,563 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2268e8075/1ad11823fd544afeaa2964235edbd747/FLAGccb840817
[2021-01-07 06:04:17,572 INFO  L306              CDTParser]: Found 1 translation units.
[2021-01-07 06:04:17,573 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/printf-2.i
[2021-01-07 06:04:17,619 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2268e8075/1ad11823fd544afeaa2964235edbd747/FLAGccb840817
[2021-01-07 06:04:18,071 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2268e8075/1ad11823fd544afeaa2964235edbd747
[2021-01-07 06:04:18,075 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-01-07 06:04:18,077 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-01-07 06:04:18,081 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-01-07 06:04:18,081 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-01-07 06:04:18,085 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-01-07 06:04:18,086 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 06:04:18" (1/1) ...
[2021-01-07 06:04:18,088 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f283401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 06:04:18, skipping insertion in model container
[2021-01-07 06:04:18,089 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 06:04:18" (1/1) ...
[2021-01-07 06:04:18,097 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-01-07 06:04:18,206 INFO  L178         MainTranslator]: Built tables and reachable declarations
left hand side expression in assignment: lhs: VariableLHS[~b~0,<LOCAL,bb_ascii_isalnum>]
left hand side expression in assignment: lhs: VariableLHS[~n~0,<LOCAL,bb_process_escape_sequence>]
left hand side expression in assignment: lhs: VariableLHS[~num_digits~0,<LOCAL,bb_process_escape_sequence>]
left hand side expression in assignment: lhs: VariableLHS[~base~0,<LOCAL,bb_process_escape_sequence>]
left hand side expression in assignment: lhs: VariableLHS[~q~0,<LOCAL,bb_process_escape_sequence>]
left hand side expression in assignment: lhs: VariableLHS[~q~0,<LOCAL,bb_process_escape_sequence>]
left hand side expression in assignment: lhs: VariableLHS[~base~0,<LOCAL,bb_process_escape_sequence>]
left hand side expression in assignment: lhs: VariableLHS[~num_digits~0,<LOCAL,bb_process_escape_sequence>]
left hand side expression in assignment: lhs: VariableLHS[~d~0,<LOCAL,bb_process_escape_sequence>]
left hand side expression in assignment: lhs: VariableLHS[~num_digits~0,<LOCAL,bb_process_escape_sequence>]
left hand side expression in assignment: lhs: VariableLHS[~r~0,<LOCAL,bb_process_escape_sequence>]
left hand side expression in assignment: lhs: VariableLHS[~n~0,<LOCAL,bb_process_escape_sequence>]
left hand side expression in assignment: lhs: VariableLHS[~q~0,<LOCAL,bb_process_escape_sequence>]
left hand side expression in assignment: lhs: VariableLHS[~num_digits~0,<LOCAL,bb_process_escape_sequence>]
left hand side expression in assignment: lhs: VariableLHS[~q~0,<LOCAL,bb_process_escape_sequence>]
left hand side expression in assignment: lhs: VariableLHS[~p~2,<LOCAL,bb_process_escape_sequence>]
left hand side expression in assignment: lhs: VariableLHS[~n~0,<LOCAL,bb_process_escape_sequence>]
left hand side expression in assignment: address: IdentifierExpression[~ptr,<LOCAL,bb_process_escape_sequence>]
left hand side expression in assignment: lhs: VariableLHS[~return_value_putchar_unlocked$1~0,<LOCAL,bb_putchar>]
left hand side expression in assignment: lhs: VariableLHS[~endp,<LOCAL,bb_strtoi>]
left hand side expression in assignment: address: IdentifierExpression[~endp,<LOCAL,bb_strtoi>]
left hand side expression in assignment: lhs: VariableLHS[~tmp_if_expr$1~0,<LOCAL,bb_strtoi>]
left hand side expression in assignment: lhs: VariableLHS[~tmp_if_expr$1~0,<LOCAL,bb_strtoi>]
left hand side expression in assignment: lhs: VariableLHS[~first~0,<LOCAL,bb_strtoi>]
left hand side expression in assignment: lhs: VariableLHS[~return_value_bb_ascii_isalnum$3~0,<LOCAL,bb_strtoi>]
left hand side expression in assignment: lhs: VariableLHS[~return_value_ret_ERANGE$2~0,<LOCAL,bb_strtoi>]
left hand side expression in assignment: address: IdentifierExpression[~bb_errno~0,GLOBAL]
left hand side expression in assignment: lhs: VariableLHS[~v~0,<LOCAL,bb_strtoi>]
left hand side expression in assignment: lhs: VariableLHS[~return_value_ret_ERANGE$4~0,<LOCAL,bb_strtoi>]
left hand side expression in assignment: lhs: VariableLHS[~return_value_ret_ERANGE$5~0,<LOCAL,bb_strtoi>]
left hand side expression in assignment: lhs: VariableLHS[~return_value_handle_errors$6~0,<LOCAL,bb_strtoi>]
left hand side expression in assignment: lhs: VariableLHS[~endp,<LOCAL,bb_strtoll>]
left hand side expression in assignment: address: IdentifierExpression[~endp,<LOCAL,bb_strtoll>]
left hand side expression in assignment: lhs: VariableLHS[~tmp_if_expr$1~1,<LOCAL,bb_strtoll>]
left hand side expression in assignment: lhs: VariableLHS[~tmp_if_expr$1~1,<LOCAL,bb_strtoll>]
left hand side expression in assignment: lhs: VariableLHS[~first~1,<LOCAL,bb_strtoll>]
left hand side expression in assignment: lhs: VariableLHS[~return_value_bb_ascii_isalnum$3~1,<LOCAL,bb_strtoll>]
left hand side expression in assignment: lhs: VariableLHS[~return_value_ret_ERANGE$2~1,<LOCAL,bb_strtoll>]
left hand side expression in assignment: address: IdentifierExpression[~bb_errno~0,GLOBAL]
left hand side expression in assignment: lhs: VariableLHS[~return_value_strtoll$4~0,<LOCAL,bb_strtoll>]
left hand side expression in assignment: lhs: VariableLHS[~v~1,<LOCAL,bb_strtoll>]
left hand side expression in assignment: lhs: VariableLHS[~return_value_handle_errors$5~0,<LOCAL,bb_strtoll>]
left hand side expression in assignment: lhs: VariableLHS[~endp,<LOCAL,bb_strtoull>]
left hand side expression in assignment: address: IdentifierExpression[~endp,<LOCAL,bb_strtoull>]
left hand side expression in assignment: lhs: VariableLHS[~return_value_bb_ascii_isalnum$2~0,<LOCAL,bb_strtoull>]
left hand side expression in assignment: lhs: VariableLHS[~return_value_ret_ERANGE$1~0,<LOCAL,bb_strtoull>]
left hand side expression in assignment: address: IdentifierExpression[~bb_errno~0,GLOBAL]
left hand side expression in assignment: lhs: VariableLHS[~v~2,<LOCAL,bb_strtoull>]
left hand side expression in assignment: lhs: VariableLHS[~return_value_handle_errors$3~0,<LOCAL,bb_strtoull>]
left hand side expression in assignment: lhs: VariableLHS[~s,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: lhs: VariableLHS[~used~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: lhs: VariableLHS[~return_value_strlen$1~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: lhs: VariableLHS[~applet_len~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: lhs: VariableLHS[~return_value_strlen$2~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: lhs: VariableLHS[~tmp_if_expr$3~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: lhs: VariableLHS[~tmp_if_expr$3~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: lhs: VariableLHS[~strerr_len~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: lhs: VariableLHS[~return_value_strlen$4~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: lhs: VariableLHS[~msgeol_len~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: lhs: VariableLHS[~return_value_realloc$5~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: lhs: VariableLHS[~msg1~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: lhs: VariableLHS[~tmp_post$6~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: lhs: VariableLHS[~used~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~msg~0,<LOCAL,bb_verror_msg>],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~msg~0,<LOCAL,bb_verror_msg>],offset],IdentifierExpression[~tmp_post$6~0,<LOCAL,bb_verror_msg>]]]]
left hand side expression in assignment: lhs: VariableLHS[~applet_len~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: lhs: VariableLHS[~msg~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: lhs: VariableLHS[~used~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~msg~0,<LOCAL,bb_verror_msg>],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~msg~0,<LOCAL,bb_verror_msg>],offset],BinaryExpression[ARITHMINUS,IdentifierExpression[~applet_len~0,<LOCAL,bb_verror_msg>],IntegerLiteral[2]]]]]
left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~msg~0,<LOCAL,bb_verror_msg>],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~msg~0,<LOCAL,bb_verror_msg>],offset],BinaryExpression[ARITHMINUS,IdentifierExpression[~applet_len~0,<LOCAL,bb_verror_msg>],IntegerLiteral[1]]]]]
left hand side expression in assignment: lhs: VariableLHS[~tmp_post$7~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: lhs: VariableLHS[~used~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~msg~0,<LOCAL,bb_verror_msg>],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~msg~0,<LOCAL,bb_verror_msg>],offset],IdentifierExpression[~tmp_post$7~0,<LOCAL,bb_verror_msg>]]]]
left hand side expression in assignment: lhs: VariableLHS[~tmp_post$8~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: lhs: VariableLHS[~used~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~msg~0,<LOCAL,bb_verror_msg>],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~msg~0,<LOCAL,bb_verror_msg>],offset],IdentifierExpression[~tmp_post$8~0,<LOCAL,bb_verror_msg>]]]]
left hand side expression in assignment: lhs: VariableLHS[~used~0,<LOCAL,bb_verror_msg>]
left hand side expression in assignment: lhs: VariableLHS[~used~0,<LOCAL,bb_verror_msg>]
[2021-01-07 06:04:19,815 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/printf-2.i[103699,103712]
left hand side expression in assignment: address: IdentifierExpression[~result,<LOCAL,conv_strtod>]
left hand side expression in assignment: address: IdentifierExpression[~bb_errno~0,GLOBAL]
[2021-01-07 06:04:19,819 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/printf-2.i[103875,103888]
left hand side expression in assignment: address: IdentifierExpression[~result,<LOCAL,conv_strtod>]
[2021-01-07 06:04:19,821 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104048,104061]
left hand side expression in assignment: address: IdentifierExpression[~result,<LOCAL,conv_strtoll>]
[2021-01-07 06:04:19,826 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104259,104272]
left hand side expression in assignment: address: IdentifierExpression[~result,<LOCAL,conv_strtoull>]
left hand side expression in assignment: lhs: VariableLHS[~return_value_bb_strtoll$1~0,<LOCAL,conv_strtoull>]
[2021-01-07 06:04:19,829 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104572,104585]
left hand side expression in assignment: address: IdentifierExpression[~result,<LOCAL,conv_strtoull>]
left hand side expression in assignment: lhs: VariableLHS[~return_value_fflush$1~0,<LOCAL,fflush_all>]
left hand side expression in assignment: lhs: VariableLHS[~len,<LOCAL,full_write>]
left hand side expression in assignment: lhs: VariableLHS[~cc~0,<LOCAL,full_write>]
left hand side expression in assignment: lhs: VariableLHS[~total~0,<LOCAL,full_write>]
left hand side expression in assignment: lhs: VariableLHS[~buf,<LOCAL,full_write>]
left hand side expression in assignment: lhs: VariableLHS[~v~3,<LOCAL,get_width_prec>]
[2021-01-07 06:04:19,837 ERROR L326         MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg
[2021-01-07 06:04:19,838 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@685eb480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 06:04:19, skipping insertion in model container
[2021-01-07 06:04:19,838 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-01-07 06:04:19,838 INFO  L184        ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2021-01-07 06:04:19,841 INFO  L168              Benchmark]: Toolchain (without parser) took 1763.16 ms. Allocated memory is still 154.1 MB. Free memory was 124.3 MB in the beginning and 124.8 MB in the end (delta: -508.6 kB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB.
[2021-01-07 06:04:19,842 INFO  L168              Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 154.1 MB. Free memory is still 125.9 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-01-07 06:04:19,844 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 1757.29 ms. Allocated memory is still 154.1 MB. Free memory was 124.0 MB in the beginning and 124.8 MB in the end (delta: -792.2 kB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB.
[2021-01-07 06:04:19,845 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18 ms. Allocated memory is still 154.1 MB. Free memory is still 125.9 MB. There was no memory consumed. Max. memory is 8.0 GB.
 * CACSL2BoogieTranslator took 1757.29 ms. Allocated memory is still 154.1 MB. Free memory was 124.0 MB in the beginning and 124.8 MB in the end (delta: -792.2 kB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 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...