./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/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_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7 --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:29:57,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:29:57,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:29:57,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:29:57,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:29:57,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:29:57,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:29:57,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:29:57,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:29:57,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:29:57,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:29:57,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:29:57,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:29:57,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:29:57,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:29:57,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:29:57,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:29:57,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:29:57,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:29:57,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:29:57,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:29:57,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:29:57,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:29:57,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:29:57,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:29:57,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:29:57,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:29:57,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:29:57,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:29:57,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:29:57,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:29:57,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:29:57,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:29:57,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:29:57,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:29:57,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:29:57,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:29:57,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:29:57,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:29:57,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:29:57,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:29:57,916 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 20:29:57,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:29:57,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:29:57,962 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:29:57,963 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:29:57,967 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:29:57,967 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:29:57,967 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:29:57,967 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:29:57,968 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:29:57,968 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:29:57,969 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:29:57,969 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:29:57,969 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:29:57,970 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:29:57,970 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:29:57,970 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:29:57,970 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:29:57,971 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:29:57,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:29:57,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:29:57,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:29:57,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:29:57,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:29:57,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:29:57,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:29:57,973 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:29:57,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:29:57,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:29:57,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:29:57,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:29:57,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:29:57,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:29:57,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:29:57,977 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:29:57,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:29:57,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:29:57,977 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:29:57,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:29:57,978 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f [2021-11-25 20:29:58,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:29:58,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:29:58,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:29:58,281 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:29:58,282 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:29:58,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2021-11-25 20:29:58,348 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/data/eb57d5e1b/36123ee1a54f4a37bc69c7d685e22023/FLAG8057baa22 [2021-11-25 20:29:59,119 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:29:59,120 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2021-11-25 20:29:59,162 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/data/eb57d5e1b/36123ee1a54f4a37bc69c7d685e22023/FLAG8057baa22 [2021-11-25 20:29:59,676 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/data/eb57d5e1b/36123ee1a54f4a37bc69c7d685e22023 [2021-11-25 20:29:59,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:29:59,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:29:59,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:29:59,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:29:59,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:29:59,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:29:59" (1/1) ... [2021-11-25 20:29:59,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@496bfda4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:29:59, skipping insertion in model container [2021-11-25 20:29:59,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:29:59" (1/1) ... [2021-11-25 20:29:59,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:29:59,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:30:00,096 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_58d935de-535d-4233-b345-7fd0401207cb/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4490,4503] [2021-11-25 20:30:00,104 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_58d935de-535d-4233-b345-7fd0401207cb/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4550,4563] [2021-11-25 20:30:01,137 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:01,138 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:01,138 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:01,139 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:01,141 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:01,156 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:01,157 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:01,159 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:01,160 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:01,512 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 20:30:01,513 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 20:30:01,514 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 20:30:01,515 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 20:30:01,517 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 20:30:01,518 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 20:30:01,518 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 20:30:01,519 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 20:30:01,520 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 20:30:01,520 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 20:30:01,734 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 20:30:01,897 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:01,899 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:02,017 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 [2021-11-25 20:30:02,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@562357f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:02, skipping insertion in model container [2021-11-25 20:30:02,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:30:02,018 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 20:30:02,020 INFO L158 Benchmark]: Toolchain (without parser) took 2337.89ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 62.5MB in the beginning and 63.3MB in the end (delta: -809.7kB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2021-11-25 20:30:02,021 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory was 69.2MB in the beginning and 69.2MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:30:02,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2334.17ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 62.5MB in the beginning and 63.3MB in the end (delta: -809.7kB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2021-11-25 20:30:02,025 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 90.2MB. Free memory was 69.2MB in the beginning and 69.2MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2334.17ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 62.5MB in the beginning and 63.3MB in the end (delta: -809.7kB). Peak memory consumption was 35.4MB. 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/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_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7 --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:30:04,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:30:04,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:30:04,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:30:04,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:30:04,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:30:04,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:30:04,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:30:04,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:30:04,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:30:04,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:30:04,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:30:04,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:30:04,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:30:04,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:30:04,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:30:04,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:30:04,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:30:04,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:30:04,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:30:04,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:30:04,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:30:04,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:30:04,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:30:04,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:30:04,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:30:04,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:30:04,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:30:04,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:30:04,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:30:04,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:30:04,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:30:04,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:30:04,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:30:04,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:30:04,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:30:04,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:30:04,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:30:04,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:30:04,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:30:04,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:30:04,317 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-25 20:30:04,378 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:30:04,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:30:04,379 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:30:04,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:30:04,383 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:30:04,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:30:04,384 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:30:04,384 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:30:04,384 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:30:04,385 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:30:04,385 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:30:04,385 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:30:04,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:30:04,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:30:04,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:30:04,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:30:04,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:30:04,387 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 20:30:04,387 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 20:30:04,388 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 20:30:04,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:30:04,388 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:30:04,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:30:04,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:30:04,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 20:30:04,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:30:04,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:30:04,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:30:04,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:30:04,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:30:04,391 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 20:30:04,391 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 20:30:04,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:30:04,392 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:30:04,392 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:30:04,392 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_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f [2021-11-25 20:30:04,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:30:04,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:30:04,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:30:04,780 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:30:04,781 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:30:04,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2021-11-25 20:30:04,859 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/data/8a39d9afb/199357f5bd4241da9b27e0c7e9f8fe87/FLAGeb2aecc73 [2021-11-25 20:30:05,774 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:30:05,775 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2021-11-25 20:30:05,825 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/data/8a39d9afb/199357f5bd4241da9b27e0c7e9f8fe87/FLAGeb2aecc73 [2021-11-25 20:30:06,245 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d935de-535d-4233-b345-7fd0401207cb/bin/utaipan-eEHZpOm5b7/data/8a39d9afb/199357f5bd4241da9b27e0c7e9f8fe87 [2021-11-25 20:30:06,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:30:06,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:30:06,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:30:06,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:30:06,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:30:06,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:30:06" (1/1) ... [2021-11-25 20:30:06,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55403760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:06, skipping insertion in model container [2021-11-25 20:30:06,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:30:06" (1/1) ... [2021-11-25 20:30:06,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:30:06,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:30:06,711 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_58d935de-535d-4233-b345-7fd0401207cb/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4490,4503] [2021-11-25 20:30:06,718 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_58d935de-535d-4233-b345-7fd0401207cb/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4550,4563] [2021-11-25 20:30:07,760 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:07,764 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:07,765 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:07,765 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:07,769 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:07,788 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:07,789 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:07,791 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:07,792 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:08,234 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 20:30:08,235 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 20:30:08,237 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 20:30:08,238 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 20:30:08,239 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 20:30:08,240 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 20:30:08,241 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 20:30:08,242 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 20:30:08,242 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 20:30:08,243 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 20:30:08,429 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 20:30:08,566 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:08,567 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 20:30:08,667 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 [2021-11-25 20:30:08,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38cee82c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:08, skipping insertion in model container [2021-11-25 20:30:08,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:30:08,670 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 20:30:08,672 INFO L158 Benchmark]: Toolchain (without parser) took 2419.07ms. Allocated memory is still 88.1MB. Free memory was 67.3MB in the beginning and 42.8MB in the end (delta: 24.4MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2021-11-25 20:30:08,674 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory was 70.4MB in the beginning and 70.3MB in the end (delta: 136.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:30:08,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2415.77ms. Allocated memory is still 88.1MB. Free memory was 66.9MB in the beginning and 42.8MB in the end (delta: 24.1MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2021-11-25 20:30:08,678 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 88.1MB. Free memory was 70.4MB in the beginning and 70.3MB in the end (delta: 136.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2415.77ms. Allocated memory is still 88.1MB. Free memory was 66.9MB in the beginning and 42.8MB in the end (delta: 24.1MB). Peak memory consumption was 31.9MB. 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 Writing output log to file Ultimate.log Result: UNKNOWN