./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:35:30,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:35:30,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:35:30,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:35:30,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:35:30,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:35:30,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:35:30,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:35:30,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:35:30,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:35:30,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:35:30,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:35:30,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:35:30,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:35:30,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:35:30,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:35:30,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:35:30,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:35:30,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:35:30,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:35:31,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:35:31,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:35:31,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:35:31,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:35:31,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:35:31,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:35:31,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:35:31,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:35:31,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:35:31,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:35:31,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:35:31,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:35:31,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:35:31,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:35:31,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:35:31,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:35:31,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:35:31,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:35:31,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:35:31,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:35:31,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:35:31,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 18:35:31,074 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:35:31,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:35:31,075 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:35:31,075 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:35:31,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:35:31,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:35:31,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:35:31,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:35:31,078 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:35:31,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:35:31,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:35:31,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:35:31,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:35:31,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:35:31,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:35:31,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:35:31,081 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:35:31,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:35:31,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:35:31,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:35:31,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:35:31,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:35:31,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:35:31,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:35:31,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:35:31,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:35:31,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:35:31,084 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:35:31,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:35:31,085 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:35:31,085 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:35:31,085 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f [2022-11-25 18:35:31,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:35:31,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:35:31,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:35:31,394 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:35:31,394 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:35:31,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2022-11-25 18:35:34,395 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:35:35,001 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:35:35,002 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2022-11-25 18:35:35,039 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/data/a6e841a1c/1257a40dc8fc445b9e2f35d071894699/FLAG6aa917da3 [2022-11-25 18:35:35,057 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/data/a6e841a1c/1257a40dc8fc445b9e2f35d071894699 [2022-11-25 18:35:35,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:35:35,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:35:35,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:35:35,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:35:35,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:35:35,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:35:35" (1/1) ... [2022-11-25 18:35:35,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634af9e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:35:35, skipping insertion in model container [2022-11-25 18:35:35,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:35:35" (1/1) ... [2022-11-25 18:35:35,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:35:35,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:35:35,446 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4490,4503] [2022-11-25 18:35:35,457 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4550,4563] [2022-11-25 18:35:36,558 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:36,559 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:36,560 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:36,561 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:36,562 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:36,577 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:36,583 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:36,585 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:36,587 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:36,701 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:35:36,702 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:35:36,702 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:35:36,707 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 18:35:36,709 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 18:35:36,710 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 18:35:37,109 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 18:35:37,111 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 18:35:37,119 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 18:35:37,120 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 18:35:37,122 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 18:35:37,124 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 18:35:37,125 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 18:35:37,126 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 18:35:37,126 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 18:35:37,127 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 18:35:37,128 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 18:35:37,362 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 18:35:37,407 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 18:35:37,425 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-25 18:35:37,436 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 18:35:37,473 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:37,473 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:37,539 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:35:37,553 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: aws_byte_buf_cat [2022-11-25 18:35:37,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@44fea43a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:35:37, skipping insertion in model container [2022-11-25 18:35:37,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:35:37,555 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 18:35:37,557 INFO L158 Benchmark]: Toolchain (without parser) took 2493.53ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 104.7MB in the beginning and 116.3MB in the end (delta: -11.6MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2022-11-25 18:35:37,557 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 146.8MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:35:37,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2487.58ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 104.7MB in the beginning and 116.3MB in the end (delta: -11.6MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2022-11-25 18:35:37,561 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 146.8MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2487.58ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 104.7MB in the beginning and 116.3MB in the end (delta: -11.6MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9003]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: aws_byte_buf_cat RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:35:39,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:35:39,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:35:39,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:35:39,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:35:39,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:35:39,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:35:39,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:35:39,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:35:39,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:35:39,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:35:39,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:35:39,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:35:39,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:35:39,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:35:39,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:35:39,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:35:39,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:35:39,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:35:39,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:35:39,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:35:39,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:35:39,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:35:39,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:35:39,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:35:39,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:35:39,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:35:39,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:35:39,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:35:39,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:35:39,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:35:39,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:35:39,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:35:39,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:35:39,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:35:39,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:35:39,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:35:39,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:35:39,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:35:39,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:35:39,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:35:39,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 18:35:40,036 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:35:40,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:35:40,039 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:35:40,039 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:35:40,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:35:40,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:35:40,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:35:40,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:35:40,042 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:35:40,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:35:40,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:35:40,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:35:40,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:35:40,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:35:40,045 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 18:35:40,045 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 18:35:40,045 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 18:35:40,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:35:40,046 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:35:40,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:35:40,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:35:40,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:35:40,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:35:40,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:35:40,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:35:40,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:35:40,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:35:40,049 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 18:35:40,049 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 18:35:40,049 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:35:40,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:35:40,050 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:35:40,051 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:35:40,051 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 18:35:40,051 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f [2022-11-25 18:35:40,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:35:40,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:35:40,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:35:40,478 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:35:40,478 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:35:40,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2022-11-25 18:35:43,510 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:35:44,169 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:35:44,170 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2022-11-25 18:35:44,222 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/data/7d30e155c/54f01abdb7ce468e9ea0ebbd571c77c2/FLAGeb8a60b9d [2022-11-25 18:35:44,243 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/bin/uautomizer-ZsLfNo2U6R/data/7d30e155c/54f01abdb7ce468e9ea0ebbd571c77c2 [2022-11-25 18:35:44,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:35:44,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:35:44,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:35:44,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:35:44,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:35:44,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:35:44" (1/1) ... [2022-11-25 18:35:44,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696150b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:35:44, skipping insertion in model container [2022-11-25 18:35:44,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:35:44" (1/1) ... [2022-11-25 18:35:44,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:35:44,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:35:44,740 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4490,4503] [2022-11-25 18:35:44,748 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7a6156-d47f-432c-88bc-66604aa3b277/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4550,4563] [2022-11-25 18:35:45,741 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:45,742 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:45,745 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:45,746 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:45,748 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:45,760 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:45,760 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:45,762 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:45,763 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:45,873 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:35:45,876 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:35:45,878 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:35:45,902 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 18:35:45,904 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 18:35:45,904 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 18:35:46,243 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 18:35:46,245 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 18:35:46,247 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 18:35:46,248 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 18:35:46,249 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 18:35:46,250 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 18:35:46,251 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 18:35:46,252 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 18:35:46,252 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 18:35:46,253 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 18:35:46,254 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 18:35:46,418 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 18:35:46,440 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 18:35:46,460 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-25 18:35:46,470 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 18:35:46,512 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:46,513 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:35:46,611 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:35:46,628 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: aws_byte_buf_cat [2022-11-25 18:35:46,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76763c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:35:46, skipping insertion in model container [2022-11-25 18:35:46,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:35:46,635 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 18:35:46,638 INFO L158 Benchmark]: Toolchain (without parser) took 2383.73ms. Allocated memory is still 94.4MB. Free memory was 63.7MB in the beginning and 59.2MB in the end (delta: 4.5MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2022-11-25 18:35:46,638 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:35:46,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2380.07ms. Allocated memory is still 94.4MB. Free memory was 63.5MB in the beginning and 59.2MB in the end (delta: 4.3MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2022-11-25 18:35:46,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2380.07ms. Allocated memory is still 94.4MB. Free memory was 63.5MB in the beginning and 59.2MB in the end (delta: 4.3MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9003]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: aws_byte_buf_cat RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN