./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/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_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI --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-5e519f3 [2022-11-03 04:05:47,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:05:47,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:05:47,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:05:47,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:05:47,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:05:47,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:05:47,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:05:47,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:05:47,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:05:47,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:05:47,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:05:47,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:05:47,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:05:47,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:05:47,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:05:47,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:05:47,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:05:47,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:05:47,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:05:47,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:05:47,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:05:47,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:05:47,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:05:47,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:05:47,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:05:47,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:05:47,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:05:47,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:05:47,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:05:47,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:05:47,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:05:47,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:05:47,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:05:47,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:05:47,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:05:47,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:05:47,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:05:47,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:05:47,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:05:47,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:05:47,370 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 04:05:47,409 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:05:47,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:05:47,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:05:47,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:05:47,411 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:05:47,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:05:47,412 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:05:47,412 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:05:47,412 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:05:47,412 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:05:47,413 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:05:47,414 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:05:47,414 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:05:47,414 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:05:47,414 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:05:47,415 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:05:47,415 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:05:47,415 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:05:47,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:05:47,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:05:47,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:05:47,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:05:47,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:05:47,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:05:47,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:05:47,418 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:05:47,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:05:47,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:05:47,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:05:47,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:05:47,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:05:47,420 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:05:47,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:05:47,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:05:47,421 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:05:47,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:05:47,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:05:47,421 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:05:47,421 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_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f [2022-11-03 04:05:47,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:05:47,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:05:47,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:05:47,757 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:05:47,758 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:05:47,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2022-11-03 04:05:47,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/data/84d03c3fe/d465801c090843e6a28328f761e07bdc/FLAGca2d4d6b3 [2022-11-03 04:05:48,649 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:05:48,650 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2022-11-03 04:05:48,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/data/84d03c3fe/d465801c090843e6a28328f761e07bdc/FLAGca2d4d6b3 [2022-11-03 04:05:49,152 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/data/84d03c3fe/d465801c090843e6a28328f761e07bdc [2022-11-03 04:05:49,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:05:49,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:05:49,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:05:49,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:05:49,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:05:49,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:05:49" (1/1) ... [2022-11-03 04:05:49,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f25ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:49, skipping insertion in model container [2022-11-03 04:05:49,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:05:49" (1/1) ... [2022-11-03 04:05:49,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:05:49,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:05:49,587 WARN L230 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_22661266-0697-49f1-81f8-275cc9e9ea03/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4490,4503] [2022-11-03 04:05:49,596 WARN L230 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_22661266-0697-49f1-81f8-275cc9e9ea03/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4550,4563] [2022-11-03 04:05:50,541 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:50,542 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:50,542 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:50,543 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:50,544 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:50,559 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:50,560 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:50,562 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:50,563 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:50,988 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 04:05:50,989 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 04:05:50,990 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 04:05:50,991 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 04:05:50,993 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 04:05:50,994 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 04:05:50,994 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 04:05:50,995 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 04:05:50,996 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 04:05:50,997 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 04:05:51,222 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 04:05:51,344 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:51,345 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:51,411 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 [2022-11-03 04:05:51,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33126d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:51, skipping insertion in model container [2022-11-03 04:05:51,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:05:51,413 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 04:05:51,414 INFO L158 Benchmark]: Toolchain (without parser) took 2257.15ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 47.7MB in the beginning and 74.7MB in the end (delta: -27.0MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2022-11-03 04:05:51,415 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory is still 44.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 04:05:51,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2249.42ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 47.5MB in the beginning and 74.7MB in the end (delta: -27.2MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2022-11-03 04:05:51,417 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory is still 44.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2249.42ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 47.5MB in the beginning and 74.7MB in the end (delta: -27.2MB). Peak memory consumption was 26.9MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/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_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI --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-5e519f3 [2022-11-03 04:05:53,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:05:53,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:05:53,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:05:53,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:05:53,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:05:53,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:05:53,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:05:53,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:05:53,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:05:53,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:05:53,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:05:53,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:05:53,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:05:53,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:05:53,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:05:53,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:05:53,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:05:53,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:05:53,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:05:53,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:05:53,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:05:53,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:05:53,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:05:53,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:05:53,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:05:53,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:05:53,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:05:53,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:05:53,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:05:53,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:05:53,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:05:53,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:05:53,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:05:53,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:05:53,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:05:53,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:05:53,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:05:53,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:05:53,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:05:53,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:05:53,694 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 04:05:53,733 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:05:53,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:05:53,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:05:53,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:05:53,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:05:53,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:05:53,737 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:05:53,737 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:05:53,737 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:05:53,737 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:05:53,738 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:05:53,739 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:05:53,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:05:53,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:05:53,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:05:53,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:05:53,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:05:53,741 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 04:05:53,741 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 04:05:53,741 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 04:05:53,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:05:53,742 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:05:53,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:05:53,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:05:53,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 04:05:53,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:05:53,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:05:53,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:05:53,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:05:53,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:05:53,744 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 04:05:53,744 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 04:05:53,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:05:53,745 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:05:53,745 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 04:05:53,745 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_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f [2022-11-03 04:05:54,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:05:54,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:05:54,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:05:54,147 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:05:54,148 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:05:54,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2022-11-03 04:05:54,223 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/data/950ca3978/0383bb1736cc46d8a5515ab04398af6a/FLAGfc8589ebd [2022-11-03 04:05:55,235 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:05:55,235 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2022-11-03 04:05:55,277 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/data/950ca3978/0383bb1736cc46d8a5515ab04398af6a/FLAGfc8589ebd [2022-11-03 04:05:55,667 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22661266-0697-49f1-81f8-275cc9e9ea03/bin/utaipan-7li7fVZpFI/data/950ca3978/0383bb1736cc46d8a5515ab04398af6a [2022-11-03 04:05:55,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:05:55,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:05:55,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:05:55,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:05:55,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:05:55,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:05:55" (1/1) ... [2022-11-03 04:05:55,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76a395a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:55, skipping insertion in model container [2022-11-03 04:05:55,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:05:55" (1/1) ... [2022-11-03 04:05:55,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:05:55,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:05:56,158 WARN L230 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_22661266-0697-49f1-81f8-275cc9e9ea03/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4490,4503] [2022-11-03 04:05:56,165 WARN L230 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_22661266-0697-49f1-81f8-275cc9e9ea03/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4550,4563] [2022-11-03 04:05:57,557 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:57,559 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:57,562 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:57,564 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:57,566 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:57,581 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:57,587 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:57,590 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:57,591 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:58,066 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 04:05:58,068 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 04:05:58,069 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 04:05:58,070 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 04:05:58,071 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 04:05:58,072 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 04:05:58,073 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 04:05:58,073 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 04:05:58,074 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 04:05:58,075 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 04:05:58,257 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 04:05:58,393 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:58,400 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 04:05:58,474 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 [2022-11-03 04:05:58,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@137757ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:58, skipping insertion in model container [2022-11-03 04:05:58,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:05:58,476 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 04:05:58,478 INFO L158 Benchmark]: Toolchain (without parser) took 2806.42ms. Allocated memory is still 86.0MB. Free memory was 57.1MB in the beginning and 39.8MB in the end (delta: 17.4MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2022-11-03 04:05:58,478 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory was 35.4MB in the beginning and 35.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 04:05:58,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2800.62ms. Allocated memory is still 86.0MB. Free memory was 56.9MB in the beginning and 39.8MB in the end (delta: 17.1MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2022-11-03 04:05:58,481 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory was 35.4MB in the beginning and 35.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2800.62ms. Allocated memory is still 86.0MB. Free memory was 56.9MB in the beginning and 39.8MB in the end (delta: 17.1MB). Peak memory consumption was 27.6MB. 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