./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_1c3274e5-ccda-48c3-a29c-635b7359acce/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/bin/utaipan-gh47qXpMRh --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 e34b03d670b9dc83c77f9a1ce1b8f7e8876646ac6e894f5ec424298b73430d9a --- 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-2329fc7 [2022-12-14 15:43:09,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:43:09,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:43:09,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:43:09,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:43:09,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:43:09,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:43:09,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:43:09,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:43:09,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:43:09,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:43:09,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:43:09,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:43:09,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:43:09,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:43:09,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:43:09,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:43:09,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:43:09,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:43:09,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:43:09,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:43:09,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:43:09,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:43:09,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:43:09,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:43:09,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:43:09,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:43:09,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:43:09,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:43:09,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:43:09,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:43:09,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:43:09,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:43:09,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:43:09,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:43:09,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:43:09,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:43:09,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:43:09,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:43:09,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:43:09,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:43:09,954 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 15:43:09,968 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:43:09,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:43:09,968 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:43:09,968 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:43:09,969 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:43:09,969 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:43:09,969 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:43:09,969 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:43:09,969 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:43:09,969 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:43:09,969 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:43:09,969 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:43:09,969 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:43:09,969 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:43:09,970 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:43:09,970 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:43:09,970 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:43:09,970 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:43:09,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:43:09,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:43:09,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:43:09,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:43:09,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:43:09,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:43:09,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:43:09,971 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:43:09,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:43:09,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:43:09,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:43:09,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:43:09,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:43:09,972 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:43:09,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:43:09,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:43:09,972 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:43:09,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:43:09,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:43:09,973 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:43:09,973 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_1c3274e5-ccda-48c3-a29c-635b7359acce/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e34b03d670b9dc83c77f9a1ce1b8f7e8876646ac6e894f5ec424298b73430d9a [2022-12-14 15:43:10,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:43:10,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:43:10,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:43:10,190 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:43:10,191 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:43:10,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2022-12-14 15:43:12,871 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:43:13,263 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:43:13,263 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2022-12-14 15:43:13,293 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/bin/utaipan-gh47qXpMRh/data/c4d993d95/5dbc698891ea4bfcac081ad7065a5424/FLAG68864fd76 [2022-12-14 15:43:13,307 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/bin/utaipan-gh47qXpMRh/data/c4d993d95/5dbc698891ea4bfcac081ad7065a5424 [2022-12-14 15:43:13,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:43:13,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:43:13,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:43:13,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:43:13,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:43:13,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:43:13" (1/1) ... [2022-12-14 15:43:13,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e7f9d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:13, skipping insertion in model container [2022-12-14 15:43:13,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:43:13" (1/1) ... [2022-12-14 15:43:13,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:43:13,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:43:13,570 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4492,4505] [2022-12-14 15:43:13,576 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4552,4565] [2022-12-14 15:43:14,157 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,157 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,158 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,158 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,159 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,168 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,169 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,170 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,171 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,231 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:43:14,232 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:43:14,232 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:43:14,236 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 15:43:14,237 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 15:43:14,237 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 15:43:14,469 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 15:43:14,470 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 15:43:14,470 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 15:43:14,471 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 15:43:14,472 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 15:43:14,473 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 15:43:14,473 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 15:43:14,474 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 15:43:14,474 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 15:43:14,475 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 15:43:14,475 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 15:43:14,598 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 15:43:14,614 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 15:43:14,621 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:43:14,641 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:43:14,647 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,647 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,686 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:43:14,694 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:43:14,695 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:43:14,699 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:43:14,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:43:14,745 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:43:14,755 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4492,4505] [2022-12-14 15:43:14,755 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4552,4565] [2022-12-14 15:43:14,781 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,782 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,782 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,782 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,783 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,788 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,788 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,789 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,789 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,794 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:43:14,795 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:43:14,795 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:43:14,798 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 15:43:14,799 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 15:43:14,799 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 15:43:14,815 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 15:43:14,815 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 15:43:14,816 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 15:43:14,816 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 15:43:14,817 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 15:43:14,818 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 15:43:14,818 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 15:43:14,819 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 15:43:14,819 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 15:43:14,819 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 15:43:14,820 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 15:43:14,835 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 15:43:14,846 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 15:43:14,851 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:43:14,861 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:43:14,866 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,866 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:43:14,883 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:43:14,886 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:43:14,886 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:43:14,889 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:43:14,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:43:15,032 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:43:15,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:15 WrapperNode [2022-12-14 15:43:15,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:43:15,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:43:15,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:43:15,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:43:15,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:15" (1/1) ... [2022-12-14 15:43:15,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:15" (1/1) ... [2022-12-14 15:43:15,129 INFO L138 Inliner]: procedures = 693, calls = 2658, calls flagged for inlining = 56, calls inlined = 7, statements flattened = 792 [2022-12-14 15:43:15,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:43:15,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:43:15,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:43:15,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:43:15,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:15" (1/1) ... [2022-12-14 15:43:15,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:15" (1/1) ... [2022-12-14 15:43:15,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:15" (1/1) ... [2022-12-14 15:43:15,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:15" (1/1) ... [2022-12-14 15:43:15,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:15" (1/1) ... [2022-12-14 15:43:15,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:15" (1/1) ... [2022-12-14 15:43:15,165 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:15" (1/1) ... [2022-12-14 15:43:15,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:15" (1/1) ... [2022-12-14 15:43:15,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:43:15,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:43:15,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:43:15,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:43:15,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:15" (1/1) ... [2022-12-14 15:43:15,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:43:15,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:43:15,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:43:15,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:43:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-12-14 15:43:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-12-14 15:43:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:43:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 15:43:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 15:43:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:43:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 15:43:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:43:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:43:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:43:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:43:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 15:43:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 15:43:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 15:43:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-12-14 15:43:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-12-14 15:43:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 15:43:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 15:43:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:43:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 15:43:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 15:43:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 15:43:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-14 15:43:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-14 15:43:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:43:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:43:15,403 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:43:15,405 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:43:16,155 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:43:16,235 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:43:16,236 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 15:43:16,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:43:16 BoogieIcfgContainer [2022-12-14 15:43:16,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:43:16,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:43:16,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:43:16,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:43:16,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:43:13" (1/3) ... [2022-12-14 15:43:16,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783273d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:43:16, skipping insertion in model container [2022-12-14 15:43:16,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:43:15" (2/3) ... [2022-12-14 15:43:16,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783273d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:43:16, skipping insertion in model container [2022-12-14 15:43:16,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:43:16" (3/3) ... [2022-12-14 15:43:16,246 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_harness.i [2022-12-14 15:43:16,261 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:43:16,261 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-12-14 15:43:16,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783273d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:43:16, skipping insertion in model container [2022-12-14 15:43:16,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:43:16,263 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:43:16,263 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:43:16,263 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:43:16,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:43:16" (3/3) ... [2022-12-14 15:43:16,266 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 15:43:16,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-12-14 15:43:16,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-12-14 15:43:16,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-12-14 15:43:16,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2022-12-14 15:43:16,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 15:43:16,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-12-14 15:43:16,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-12-14 15:43:16,277 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 134 nodes and edges [2022-12-14 15:43:16,278 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2022-12-14 15:43:16,279 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 15:43:16,279 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-14 15:43:16,280 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 15:43:16,280 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 15:43:16,280 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 15:43:16,281 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 15:43:16,642 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 15:43:16,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:43:16,643 INFO L158 Benchmark]: Toolchain (without parser) took 3331.41ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 80.5MB in the beginning and 41.2MB in the end (delta: 39.4MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. [2022-12-14 15:43:16,644 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:43:16,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1720.17ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 80.1MB in the beginning and 84.7MB in the end (delta: -4.6MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2022-12-14 15:43:16,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.65ms. Allocated memory is still 148.9MB. Free memory was 84.7MB in the beginning and 73.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 15:43:16,644 INFO L158 Benchmark]: Boogie Preprocessor took 43.96ms. Allocated memory is still 148.9MB. Free memory was 73.8MB in the beginning and 67.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 15:43:16,645 INFO L158 Benchmark]: RCFGBuilder took 1064.36ms. Allocated memory is still 148.9MB. Free memory was 66.7MB in the beginning and 72.8MB in the end (delta: -6.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 15:43:16,645 INFO L158 Benchmark]: TraceAbstraction took 22.03ms. Allocated memory is still 148.9MB. Free memory was 71.8MB in the beginning and 69.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:43:16,645 INFO L158 Benchmark]: Witness Printer took 379.25ms. Allocated memory is still 148.9MB. Free memory was 69.6MB in the beginning and 41.2MB in the end (delta: 28.4MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2022-12-14 15:43:16,646 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1720.17ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 80.1MB in the beginning and 84.7MB in the end (delta: -4.6MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.65ms. Allocated memory is still 148.9MB. Free memory was 84.7MB in the beginning and 73.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.96ms. Allocated memory is still 148.9MB. Free memory was 73.8MB in the beginning and 67.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1064.36ms. Allocated memory is still 148.9MB. Free memory was 66.7MB in the beginning and 72.8MB in the end (delta: -6.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 22.03ms. Allocated memory is still 148.9MB. Free memory was 71.8MB in the beginning and 69.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 379.25ms. Allocated memory is still 148.9MB. Free memory was 69.6MB in the beginning and 41.2MB in the end (delta: 28.4MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-12-14 15:43:16,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3274e5-ccda-48c3-a29c-635b7359acce/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE