./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 e04fb08f 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_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/config/TaipanReach.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_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0 --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 Taipan --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-e04fb08 [2022-11-16 19:30:00,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:30:00,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:30:00,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:30:00,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:30:00,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:30:00,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:30:00,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:30:00,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:30:00,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:30:00,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:30:00,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:30:00,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:30:00,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:30:00,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:30:00,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:30:00,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:30:00,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:30:00,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:30:00,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:30:00,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:30:00,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:30:00,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:30:00,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:30:00,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:30:00,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:30:00,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:30:00,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:30:00,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:30:00,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:30:00,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:30:00,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:30:00,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:30:00,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:30:00,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:30:00,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:30:00,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:30:00,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:30:00,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:30:00,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:30:00,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:30:00,311 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 19:30:00,342 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:30:00,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:30:00,343 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:30:00,343 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:30:00,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:30:00,344 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:30:00,344 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:30:00,344 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:30:00,345 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:30:00,345 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:30:00,346 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:30:00,346 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:30:00,346 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:30:00,346 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:30:00,346 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:30:00,347 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:30:00,347 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:30:00,347 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:30:00,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:30:00,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:30:00,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:30:00,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:30:00,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:30:00,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:30:00,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:30:00,350 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:30:00,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:30:00,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:30:00,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:30:00,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:30:00,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:30:00,352 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:30:00,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:30:00,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:30:00,352 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:30:00,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:30:00,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:30:00,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:30:00,353 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_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f [2022-11-16 19:30:00,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:30:00,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:30:00,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:30:00,664 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:30:00,665 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:30:00,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2022-11-16 19:30:00,738 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/data/d895e46a2/2b73f6e48bdd4874beaa60f4a72c342e/FLAG1c3288615 [2022-11-16 19:30:01,628 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:30:01,628 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2022-11-16 19:30:01,672 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/data/d895e46a2/2b73f6e48bdd4874beaa60f4a72c342e/FLAG1c3288615 [2022-11-16 19:30:01,751 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/data/d895e46a2/2b73f6e48bdd4874beaa60f4a72c342e [2022-11-16 19:30:01,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:30:01,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:30:01,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:30:01,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:30:01,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:30:01,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:30:01" (1/1) ... [2022-11-16 19:30:01,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fab3d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:30:01, skipping insertion in model container [2022-11-16 19:30:01,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:30:01" (1/1) ... [2022-11-16 19:30:01,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:30:01,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:30:02,168 WARN L229 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_f5c499ad-79d9-429d-80bf-635201a6de0c/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4490,4503] [2022-11-16 19:30:02,174 WARN L229 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_f5c499ad-79d9-429d-80bf-635201a6de0c/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4550,4563] [2022-11-16 19:30:03,017 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:03,017 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:03,018 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:03,019 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:03,020 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:03,033 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:03,034 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:03,036 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:03,037 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:03,465 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 19:30:03,467 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 19:30:03,468 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 19:30:03,469 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 19:30:03,478 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 19:30:03,480 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 19:30:03,482 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 19:30:03,486 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 19:30:03,491 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 19:30:03,492 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 19:30:03,653 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 19:30:03,734 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:03,734 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:03,823 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 [2022-11-16 19:30:03,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50f0f968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:30:03, skipping insertion in model container [2022-11-16 19:30:03,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:30:03,824 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 19:30:03,825 INFO L158 Benchmark]: Toolchain (without parser) took 2068.46ms. Allocated memory is still 113.2MB. Free memory was 66.8MB in the beginning and 75.8MB in the end (delta: -9.0MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2022-11-16 19:30:03,826 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory was 93.4MB in the beginning and 93.2MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:30:03,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2064.67ms. Allocated memory is still 113.2MB. Free memory was 66.5MB in the beginning and 75.8MB in the end (delta: -9.3MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2022-11-16 19:30:03,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory was 93.4MB in the beginning and 93.2MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2064.67ms. Allocated memory is still 113.2MB. Free memory was 66.5MB in the beginning and 75.8MB in the end (delta: -9.3MB). Peak memory consumption was 34.1MB. 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_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/config/TaipanReach.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_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0 --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 Taipan --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-e04fb08 [2022-11-16 19:30:05,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:30:05,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:30:05,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:30:05,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:30:05,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:30:05,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:30:05,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:30:05,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:30:05,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:30:05,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:30:05,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:30:05,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:30:05,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:30:05,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:30:05,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:30:05,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:30:05,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:30:05,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:30:05,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:30:05,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:30:05,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:30:05,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:30:05,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:30:05,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:30:05,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:30:05,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:30:05,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:30:05,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:30:05,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:30:05,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:30:05,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:30:05,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:30:05,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:30:05,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:30:05,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:30:05,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:30:05,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:30:05,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:30:05,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:30:05,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:30:05,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-16 19:30:05,951 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:30:05,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:30:05,952 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:30:05,952 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:30:05,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:30:05,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:30:05,953 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:30:05,954 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:30:05,954 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:30:05,954 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:30:05,954 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:30:05,955 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:30:05,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:30:05,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:30:05,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:30:05,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:30:05,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:30:05,957 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 19:30:05,957 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 19:30:05,957 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 19:30:05,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:30:05,957 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:30:05,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:30:05,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:30:05,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 19:30:05,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:30:05,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:30:05,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:30:05,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:30:05,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:30:05,960 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 19:30:05,960 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 19:30:05,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:30:05,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:30:05,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 19:30:05,961 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f [2022-11-16 19:30:06,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:30:06,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:30:06,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:30:06,396 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:30:06,397 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:30:06,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2022-11-16 19:30:06,488 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/data/e8a2e7052/bd9c77d6de014cf1aace7b772b41ebab/FLAGa2188d40b [2022-11-16 19:30:07,448 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:30:07,449 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2022-11-16 19:30:07,509 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/data/e8a2e7052/bd9c77d6de014cf1aace7b772b41ebab/FLAGa2188d40b [2022-11-16 19:30:07,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c499ad-79d9-429d-80bf-635201a6de0c/bin/utaipan-Xvt2sAort0/data/e8a2e7052/bd9c77d6de014cf1aace7b772b41ebab [2022-11-16 19:30:07,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:30:07,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:30:07,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:30:07,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:30:07,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:30:07,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:30:07" (1/1) ... [2022-11-16 19:30:07,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b27c0d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:30:07, skipping insertion in model container [2022-11-16 19:30:07,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:30:07" (1/1) ... [2022-11-16 19:30:07,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:30:08,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:30:08,402 WARN L229 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_f5c499ad-79d9-429d-80bf-635201a6de0c/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4490,4503] [2022-11-16 19:30:08,409 WARN L229 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_f5c499ad-79d9-429d-80bf-635201a6de0c/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4550,4563] [2022-11-16 19:30:09,322 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:09,322 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:09,323 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:09,324 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:09,325 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:09,340 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:09,341 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:09,343 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:09,344 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:09,757 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 19:30:09,758 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 19:30:09,759 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 19:30:09,761 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 19:30:09,762 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 19:30:09,763 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 19:30:09,764 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 19:30:09,765 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 19:30:09,765 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 19:30:09,766 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 19:30:09,969 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 19:30:10,094 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:10,098 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:30:10,231 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 [2022-11-16 19:30:10,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@276f2f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:30:10, skipping insertion in model container [2022-11-16 19:30:10,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:30:10,234 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 19:30:10,238 INFO L158 Benchmark]: Toolchain (without parser) took 2280.22ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 43.5MB in the beginning and 58.3MB in the end (delta: -14.9MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-11-16 19:30:10,240 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 71.3MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:30:10,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2273.40ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 43.3MB in the beginning and 58.3MB in the end (delta: -15.0MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-11-16 19:30:10,244 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 71.3MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2273.40ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 43.3MB in the beginning and 58.3MB in the end (delta: -15.0MB). Peak memory consumption was 28.1MB. 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