./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness_negated.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_d4526e05-4cd0-42d8-ac68-9474e0b61b45/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4526e05-4cd0-42d8-ac68-9474e0b61b45/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_d4526e05-4cd0-42d8-ac68-9474e0b61b45/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4526e05-4cd0-42d8-ac68-9474e0b61b45/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4526e05-4cd0-42d8-ac68-9474e0b61b45/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_d4526e05-4cd0-42d8-ac68-9474e0b61b45/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 a3703db63c4e4340efe71d84b8a9f14e8d4e8336134c337a6a8b251ac05310d8 --- 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 09:56:24,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:56:24,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:56:24,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:56:24,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:56:24,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:56:24,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:56:24,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:56:24,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:56:24,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:56:24,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:56:24,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:56:24,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:56:24,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:56:24,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:56:24,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:56:24,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:56:24,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:56:24,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:56:24,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:56:24,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:56:24,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:56:24,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:56:24,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:56:24,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:56:24,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:56:24,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:56:24,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:56:24,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:56:24,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:56:24,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:56:24,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:56:24,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:56:24,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:56:24,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:56:24,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:56:24,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:56:24,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:56:24,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:56:24,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:56:24,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:56:24,530 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4526e05-4cd0-42d8-ac68-9474e0b61b45/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 09:56:24,551 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:56:24,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:56:24,552 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:56:24,552 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:56:24,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:56:24,553 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:56:24,553 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:56:24,553 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:56:24,553 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:56:24,553 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:56:24,554 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:56:24,554 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:56:24,554 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:56:24,554 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:56:24,554 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:56:24,554 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:56:24,555 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:56:24,555 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:56:24,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:56:24,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:56:24,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:56:24,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:56:24,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:56:24,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:56:24,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:56:24,556 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:56:24,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:56:24,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:56:24,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:56:24,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:56:24,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:56:24,557 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:56:24,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:56:24,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:56:24,558 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:56:24,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:56:24,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:56:24,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:56:24,558 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_d4526e05-4cd0-42d8-ac68-9474e0b61b45/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4526e05-4cd0-42d8-ac68-9474e0b61b45/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3703db63c4e4340efe71d84b8a9f14e8d4e8336134c337a6a8b251ac05310d8 [2022-12-14 09:56:24,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:56:24,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:56:24,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:56:24,774 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:56:24,775 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:56:24,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4526e05-4cd0-42d8-ac68-9474e0b61b45/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness_negated.i [2022-12-14 09:56:27,408 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:56:27,742 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:56:27,742 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4526e05-4cd0-42d8-ac68-9474e0b61b45/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness_negated.i [2022-12-14 09:56:27,772 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4526e05-4cd0-42d8-ac68-9474e0b61b45/bin/utaipan-gh47qXpMRh/data/3a522c3db/2a2e814706324c18826868ac71870581/FLAGcc9249e77 [2022-12-14 09:56:27,782 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4526e05-4cd0-42d8-ac68-9474e0b61b45/bin/utaipan-gh47qXpMRh/data/3a522c3db/2a2e814706324c18826868ac71870581 [2022-12-14 09:56:27,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:56:27,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:56:27,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:56:27,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:56:27,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:56:27,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:56:27" (1/1) ... [2022-12-14 09:56:27,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f49863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:27, skipping insertion in model container [2022-12-14 09:56:27,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:56:27" (1/1) ... [2022-12-14 09:56:27,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:56:27,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:56:28,040 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_d4526e05-4cd0-42d8-ac68-9474e0b61b45/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness_negated.i[4492,4505] [2022-12-14 09:56:28,046 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_d4526e05-4cd0-42d8-ac68-9474e0b61b45/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness_negated.i[4552,4565] [2022-12-14 09:56:28,720 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:28,721 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:28,721 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:28,722 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:28,722 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:28,732 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:28,733 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:28,734 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:28,735 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:28,801 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:56:28,801 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:56:28,802 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:56:28,811 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 09:56:28,812 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 09:56:28,813 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 09:56:29,047 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 09:56:29,048 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 09:56:29,049 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 09:56:29,050 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 09:56:29,050 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 09:56:29,051 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 09:56:29,052 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 09:56:29,052 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 09:56:29,053 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 09:56:29,053 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 09:56:29,054 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 09:56:29,176 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 09:56:29,193 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 09:56:29,201 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:56:29,224 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:56:29,230 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:29,231 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:29,270 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 09:56:29,277 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 09:56:29,278 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 09:56:29,282 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:56:29,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:56:29,319 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:56:29,328 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_d4526e05-4cd0-42d8-ac68-9474e0b61b45/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness_negated.i[4492,4505] [2022-12-14 09:56:29,329 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_d4526e05-4cd0-42d8-ac68-9474e0b61b45/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness_negated.i[4552,4565] [2022-12-14 09:56:29,350 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:29,351 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:29,351 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:29,351 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:29,352 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:29,356 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:29,356 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:29,357 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:29,357 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:29,361 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:56:29,361 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:56:29,362 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:56:29,363 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 09:56:29,364 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 09:56:29,364 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 09:56:29,378 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 09:56:29,379 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 09:56:29,379 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 09:56:29,380 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 09:56:29,380 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 09:56:29,381 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 09:56:29,381 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 09:56:29,382 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 09:56:29,382 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 09:56:29,382 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 09:56:29,382 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 09:56:29,396 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 09:56:29,418 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 09:56:29,424 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:56:29,439 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:56:29,445 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:29,446 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:56:29,467 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 09:56:29,471 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 09:56:29,472 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 09:56:29,475 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:56:29,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:56:29,680 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:56:29,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:29 WrapperNode [2022-12-14 09:56:29,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:56:29,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:56:29,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:56:29,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:56:29,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:29" (1/1) ... [2022-12-14 09:56:29,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:29" (1/1) ... [2022-12-14 09:56:29,783 INFO L138 Inliner]: procedures = 693, calls = 2658, calls flagged for inlining = 56, calls inlined = 7, statements flattened = 792 [2022-12-14 09:56:29,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:56:29,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:56:29,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:56:29,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:56:29,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:29" (1/1) ... [2022-12-14 09:56:29,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:29" (1/1) ... [2022-12-14 09:56:29,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:29" (1/1) ... [2022-12-14 09:56:29,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:29" (1/1) ... [2022-12-14 09:56:29,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:29" (1/1) ... [2022-12-14 09:56:29,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:29" (1/1) ... [2022-12-14 09:56:29,828 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:29" (1/1) ... [2022-12-14 09:56:29,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:29" (1/1) ... [2022-12-14 09:56:29,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:56:29,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:56:29,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:56:29,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:56:29,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:29" (1/1) ... [2022-12-14 09:56:29,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:56:29,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4526e05-4cd0-42d8-ac68-9474e0b61b45/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:56:29,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4526e05-4cd0-42d8-ac68-9474e0b61b45/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:56:29,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4526e05-4cd0-42d8-ac68-9474e0b61b45/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:56:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-12-14 09:56:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-12-14 09:56:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:56:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 09:56:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 09:56:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:56:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:56:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:56:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:56:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:56:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:56:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 09:56:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 09:56:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 09:56:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-12-14 09:56:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-12-14 09:56:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 09:56:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 09:56:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:56:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:56:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 09:56:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 09:56:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-14 09:56:29,897 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-14 09:56:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:56:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:56:30,077 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:56:30,078 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:56:30,738 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:56:30,847 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:56:30,847 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 09:56:30,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:56:30 BoogieIcfgContainer [2022-12-14 09:56:30,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:56:30,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:56:30,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:56:30,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:56:30,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:56:27" (1/3) ... [2022-12-14 09:56:30,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1692f17d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:56:30, skipping insertion in model container [2022-12-14 09:56:30,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:29" (2/3) ... [2022-12-14 09:56:30,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1692f17d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:56:30, skipping insertion in model container [2022-12-14 09:56:30,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:56:30" (3/3) ... [2022-12-14 09:56:30,856 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_harness_negated.i [2022-12-14 09:56:30,870 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:56:30,870 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-12-14 09:56:30,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1692f17d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 09:56:30, skipping insertion in model container [2022-12-14 09:56:30,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 09:56:30,871 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 09:56:30,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 09:56:30,872 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 09:56:30,872 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:56:30" (3/3) ... [2022-12-14 09:56:30,874 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 09:56:30,878 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-12-14 09:56:30,878 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-12-14 09:56:30,879 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-12-14 09:56:30,879 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2022-12-14 09:56:30,879 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 09:56:30,879 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-12-14 09:56:30,879 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-12-14 09:56:30,886 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 134 nodes and edges [2022-12-14 09:56:30,887 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2022-12-14 09:56:30,887 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 09:56:30,888 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-14 09:56:30,888 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 09:56:30,889 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 09:56:30,889 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 09:56:30,890 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 09:56:31,243 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4526e05-4cd0-42d8-ac68-9474e0b61b45/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 09:56:31,243 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 09:56:31,244 INFO L158 Benchmark]: Toolchain (without parser) took 3458.74ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 85.3MB in the beginning and 101.2MB in the end (delta: -15.9MB). Peak memory consumption was 111.4MB. Max. memory is 16.1GB. [2022-12-14 09:56:31,244 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:56:31,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1894.29ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 85.3MB in the beginning and 63.7MB in the end (delta: 21.7MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2022-12-14 09:56:31,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.56ms. Allocated memory is still 151.0MB. Free memory was 63.7MB in the beginning and 52.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 09:56:31,245 INFO L158 Benchmark]: Boogie Preprocessor took 52.86ms. Allocated memory is still 151.0MB. Free memory was 52.7MB in the beginning and 88.6MB in the end (delta: -35.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-12-14 09:56:31,245 INFO L158 Benchmark]: RCFGBuilder took 1012.52ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 88.6MB in the beginning and 94.4MB in the end (delta: -5.8MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2022-12-14 09:56:31,246 INFO L158 Benchmark]: TraceAbstraction took 19.51ms. Allocated memory is still 182.5MB. Free memory was 94.4MB in the beginning and 92.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:56:31,246 INFO L158 Benchmark]: Witness Printer took 371.69ms. Allocated memory is still 182.5MB. Free memory was 92.3MB in the beginning and 101.2MB in the end (delta: -9.0MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2022-12-14 09:56:31,248 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1894.29ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 85.3MB in the beginning and 63.7MB in the end (delta: 21.7MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.56ms. Allocated memory is still 151.0MB. Free memory was 63.7MB in the beginning and 52.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.86ms. Allocated memory is still 151.0MB. Free memory was 52.7MB in the beginning and 88.6MB in the end (delta: -35.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1012.52ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 88.6MB in the beginning and 94.4MB in the end (delta: -5.8MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * TraceAbstraction took 19.51ms. Allocated memory is still 182.5MB. Free memory was 94.4MB in the beginning and 92.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 371.69ms. Allocated memory is still 182.5MB. Free memory was 92.3MB in the beginning and 101.2MB in the end (delta: -9.0MB). Peak memory consumption was 60.2MB. 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 09:56:31,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4526e05-4cd0-42d8-ac68-9474e0b61b45/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