./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 38b53e6a 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_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/bin/utaipan-ByfvJB40ur/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_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-25 23:16:05,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:16:05,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:16:05,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:16:05,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:16:05,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:16:05,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:16:05,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:16:05,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:16:05,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:16:05,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:16:05,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:16:05,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:16:05,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:16:05,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:16:05,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:16:05,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:16:05,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:16:05,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:16:05,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:16:05,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:16:06,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:16:06,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:16:06,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:16:06,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:16:06,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:16:06,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:16:06,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:16:06,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:16:06,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:16:06,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:16:06,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:16:06,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:16:06,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:16:06,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:16:06,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:16:06,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:16:06,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:16:06,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:16:06,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:16:06,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:16:06,038 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:16:06,077 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:16:06,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:16:06,078 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:16:06,078 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:16:06,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:16:06,079 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:16:06,079 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:16:06,080 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:16:06,080 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:16:06,080 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:16:06,080 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:16:06,081 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:16:06,081 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:16:06,081 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:16:06,082 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:16:06,082 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:16:06,082 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:16:06,083 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:16:06,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:16:06,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:16:06,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:16:06,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:16:06,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:16:06,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:16:06,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:16:06,086 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:16:06,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:16:06,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:16:06,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:16:06,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:16:06,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:16:06,088 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:16:06,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:16:06,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:16:06,088 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:16:06,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:16:06,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:16:06,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:16:06,090 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_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e34b03d670b9dc83c77f9a1ce1b8f7e8876646ac6e894f5ec424298b73430d9a [2022-11-25 23:16:06,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:16:06,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:16:06,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:16:06,375 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:16:06,376 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:16:06,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2022-11-25 23:16:09,487 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:16:10,089 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:16:10,090 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2022-11-25 23:16:10,143 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/bin/utaipan-ByfvJB40ur/data/ff61a38e3/f1291ccfb4ae4e38885e6b87f64b3918/FLAGa71cf7d0e [2022-11-25 23:16:10,161 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/bin/utaipan-ByfvJB40ur/data/ff61a38e3/f1291ccfb4ae4e38885e6b87f64b3918 [2022-11-25 23:16:10,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:16:10,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:16:10,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:16:10,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:16:10,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:16:10,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:16:10" (1/1) ... [2022-11-25 23:16:10,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@590d6057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:10, skipping insertion in model container [2022-11-25 23:16:10,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:16:10" (1/1) ... [2022-11-25 23:16:10,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:16:10,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:16:10,676 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_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4492,4505] [2022-11-25 23:16:10,686 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_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4552,4565] [2022-11-25 23:16:11,986 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:11,987 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:11,987 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:11,988 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:11,989 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:12,020 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:12,021 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:12,023 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:12,024 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:12,167 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:16:12,168 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:16:12,170 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:16:12,191 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 23:16:12,192 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 23:16:12,193 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 23:16:12,599 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 23:16:12,600 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 23:16:12,602 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 23:16:12,603 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 23:16:12,607 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 23:16:12,609 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 23:16:12,610 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 23:16:12,611 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 23:16:12,611 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 23:16:12,612 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 23:16:12,613 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 23:16:12,843 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 23:16:12,894 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-25 23:16:12,939 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:16:12,993 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:16:13,011 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:13,019 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:13,111 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 23:16:13,129 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 23:16:13,131 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 23:16:13,143 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:16:13,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:16:13,239 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:16:13,266 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_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4492,4505] [2022-11-25 23:16:13,267 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_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4552,4565] [2022-11-25 23:16:13,314 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:13,314 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:13,315 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:13,316 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:13,316 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:13,328 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:13,329 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:13,330 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:13,330 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:13,345 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:16:13,345 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:16:13,346 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:16:13,350 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 23:16:13,351 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 23:16:13,351 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 23:16:13,377 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 23:16:13,383 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 23:16:13,384 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 23:16:13,392 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 23:16:13,393 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 23:16:13,394 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 23:16:13,395 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 23:16:13,396 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 23:16:13,397 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 23:16:13,398 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 23:16:13,399 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 23:16:13,420 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 23:16:13,455 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-25 23:16:13,462 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:16:13,493 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:16:13,499 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:13,499 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:16:13,533 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 23:16:13,538 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 23:16:13,539 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 23:16:13,543 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:16:13,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:16:13,768 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:16:13,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13 WrapperNode [2022-11-25 23:16:13,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:16:13,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:16:13,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:16:13,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:16:13,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:13,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:13,964 INFO L138 Inliner]: procedures = 693, calls = 2658, calls flagged for inlining = 56, calls inlined = 7, statements flattened = 792 [2022-11-25 23:16:13,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:16:13,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:16:13,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:16:13,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:16:13,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:13,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:13,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:13,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:14,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:14,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:14,027 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:14,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:14,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:16:14,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:16:14,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:16:14,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:16:14,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:14,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:16:14,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:16:14,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:16:14,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:16:14,146 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-25 23:16:14,147 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-25 23:16:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:16:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-25 23:16:14,147 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-25 23:16:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:16:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:16:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:16:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:16:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:16:14,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:16:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-25 23:16:14,148 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-25 23:16:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:16:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-25 23:16:14,149 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-25 23:16:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 23:16:14,149 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 23:16:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:16:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:16:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-25 23:16:14,150 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-25 23:16:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-25 23:16:14,150 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-25 23:16:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:16:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:16:14,530 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:16:14,533 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:16:15,896 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:16:16,076 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:16:16,076 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:16:16,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:16:16 BoogieIcfgContainer [2022-11-25 23:16:16,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:16:16,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:16:16,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:16:16,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:16:16,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:16:10" (1/3) ... [2022-11-25 23:16:16,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f5aa84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:16:16, skipping insertion in model container [2022-11-25 23:16:16,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (2/3) ... [2022-11-25 23:16:16,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f5aa84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:16:16, skipping insertion in model container [2022-11-25 23:16:16,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:16:16" (3/3) ... [2022-11-25 23:16:16,100 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_harness.i [2022-11-25 23:16:16,120 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:16:16,121 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-25 23:16:16,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f5aa84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:16:16, skipping insertion in model container [2022-11-25 23:16:16,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:16:16,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:16:16,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:16:16,129 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:16:16,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:16:16" (3/3) ... [2022-11-25 23:16:16,133 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:16:16,139 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-25 23:16:16,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-11-25 23:16:16,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-25 23:16:16,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2022-11-25 23:16:16,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-25 23:16:16,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-25 23:16:16,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-11-25 23:16:16,160 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 134 nodes and edges [2022-11-25 23:16:16,161 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2022-11-25 23:16:16,162 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-25 23:16:16,164 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-25 23:16:16,165 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-25 23:16:16,165 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 23:16:16,166 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 23:16:16,167 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:16:16,929 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:16:16,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:16:16,931 INFO L158 Benchmark]: Toolchain (without parser) took 6760.95ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 112.4MB in the beginning and 110.9MB in the end (delta: 1.5MB). Peak memory consumption was 112.7MB. Max. memory is 16.1GB. [2022-11-25 23:16:16,932 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory was 82.8MB in the beginning and 82.7MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:16:16,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3598.19ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 112.4MB in the beginning and 133.1MB in the end (delta: -20.8MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2022-11-25 23:16:16,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 194.63ms. Allocated memory is still 192.9MB. Free memory was 133.1MB in the beginning and 122.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 23:16:16,933 INFO L158 Benchmark]: Boogie Preprocessor took 75.23ms. Allocated memory is still 192.9MB. Free memory was 122.7MB in the beginning and 115.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 23:16:16,934 INFO L158 Benchmark]: RCFGBuilder took 2039.21ms. Allocated memory is still 192.9MB. Free memory was 115.3MB in the beginning and 127.8MB in the end (delta: -12.5MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2022-11-25 23:16:16,935 INFO L158 Benchmark]: TraceAbstraction took 43.75ms. Allocated memory is still 192.9MB. Free memory was 126.8MB in the beginning and 124.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:16:16,935 INFO L158 Benchmark]: Witness Printer took 800.58ms. Allocated memory is still 192.9MB. Free memory was 124.6MB in the beginning and 110.9MB in the end (delta: 13.8MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. [2022-11-25 23:16:16,939 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 119.5MB. Free memory was 82.8MB in the beginning and 82.7MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3598.19ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 112.4MB in the beginning and 133.1MB in the end (delta: -20.8MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 194.63ms. Allocated memory is still 192.9MB. Free memory was 133.1MB in the beginning and 122.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.23ms. Allocated memory is still 192.9MB. Free memory was 122.7MB in the beginning and 115.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2039.21ms. Allocated memory is still 192.9MB. Free memory was 115.3MB in the beginning and 127.8MB in the end (delta: -12.5MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. * TraceAbstraction took 43.75ms. Allocated memory is still 192.9MB. Free memory was 126.8MB in the beginning and 124.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 800.58ms. Allocated memory is still 192.9MB. Free memory was 124.6MB in the beginning and 110.9MB in the end (delta: 13.8MB). Peak memory consumption was 85.0MB. 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! [2022-11-25 23:16:17,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0df0c9-e891-4bfe-b4b5-791db85abfa8/bin/utaipan-ByfvJB40ur/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