./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 b5237d83 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_1afccd11-2c53-4d72-865c-daef0ddd5948/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afccd11-2c53-4d72-865c-daef0ddd5948/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afccd11-2c53-4d72-865c-daef0ddd5948/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afccd11-2c53-4d72-865c-daef0ddd5948/bin/utaipan-g80aRyZoba/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_1afccd11-2c53-4d72-865c-daef0ddd5948/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afccd11-2c53-4d72-865c-daef0ddd5948/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 02:14:13,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:14:13,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:14:13,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:14:13,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:14:13,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:14:13,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:14:13,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:14:13,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:14:13,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:14:13,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:14:13,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:14:13,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:14:13,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:14:13,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:14:13,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:14:13,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:14:13,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:14:13,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:14:13,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:14:13,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:14:13,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:14:13,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:14:13,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:14:13,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:14:13,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:14:13,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:14:13,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:14:13,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:14:13,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:14:13,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:14:13,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:14:13,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:14:13,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:14:13,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:14:13,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:14:13,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:14:13,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:14:13,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:14:13,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:14:13,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:14:13,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afccd11-2c53-4d72-865c-daef0ddd5948/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:14:13,897 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:14:13,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:14:13,898 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:14:13,898 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:14:13,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:14:13,899 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:14:13,899 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:14:13,899 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:14:13,900 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:14:13,900 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:14:13,900 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:14:13,900 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:14:13,900 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:14:13,901 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:14:13,901 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:14:13,901 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:14:13,901 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:14:13,901 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:14:13,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:14:13,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:14:13,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:14:13,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:14:13,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:14:13,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:14:13,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:14:13,903 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:14:13,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:14:13,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:14:13,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:14:13,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:14:13,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:14:13,905 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:14:13,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:14:13,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:14:13,905 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:14:13,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:14:13,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:14:13,906 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:14:13,906 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_1afccd11-2c53-4d72-865c-daef0ddd5948/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afccd11-2c53-4d72-865c-daef0ddd5948/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e34b03d670b9dc83c77f9a1ce1b8f7e8876646ac6e894f5ec424298b73430d9a [2022-11-22 02:14:14,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:14:14,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:14:14,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:14:14,243 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:14:14,244 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:14:14,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afccd11-2c53-4d72-865c-daef0ddd5948/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2022-11-22 02:14:17,337 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:14:17,921 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:14:17,923 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afccd11-2c53-4d72-865c-daef0ddd5948/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2022-11-22 02:14:17,982 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afccd11-2c53-4d72-865c-daef0ddd5948/bin/utaipan-g80aRyZoba/data/68fabf984/05840d9818c44d539196898e99b0b81b/FLAG3a8416abf [2022-11-22 02:14:17,997 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afccd11-2c53-4d72-865c-daef0ddd5948/bin/utaipan-g80aRyZoba/data/68fabf984/05840d9818c44d539196898e99b0b81b [2022-11-22 02:14:18,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:14:18,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:14:18,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:14:18,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:14:18,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:14:18,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:14:17" (1/1) ... [2022-11-22 02:14:18,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501c8b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:18, skipping insertion in model container [2022-11-22 02:14:18,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:14:17" (1/1) ... [2022-11-22 02:14:18,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:14:18,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:14:18,371 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_1afccd11-2c53-4d72-865c-daef0ddd5948/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4492,4505] [2022-11-22 02:14:18,383 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_1afccd11-2c53-4d72-865c-daef0ddd5948/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4552,4565] [2022-11-22 02:14:19,381 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:19,382 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:19,383 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:19,384 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:19,385 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:19,400 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:19,401 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:19,403 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:19,404 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:19,819 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 02:14:19,820 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 02:14:19,822 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 02:14:19,823 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 02:14:19,824 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 02:14:19,825 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 02:14:19,826 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 02:14:19,827 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 02:14:19,827 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 02:14:19,828 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 02:14:20,027 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 02:14:20,142 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:20,143 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:20,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:14:20,405 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:14:20,448 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_1afccd11-2c53-4d72-865c-daef0ddd5948/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4492,4505] [2022-11-22 02:14:20,455 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_1afccd11-2c53-4d72-865c-daef0ddd5948/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4552,4565] [2022-11-22 02:14:20,508 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:20,509 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:20,509 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:20,510 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:20,510 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:20,521 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:20,522 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:20,523 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:20,523 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:20,578 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 02:14:20,579 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 02:14:20,585 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 02:14:20,586 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 02:14:20,587 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 02:14:20,588 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 02:14:20,589 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 02:14:20,589 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 02:14:20,589 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 02:14:20,590 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 02:14:20,611 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 02:14:20,684 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:20,685 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:20,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:14:21,038 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:14:21,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:21 WrapperNode [2022-11-22 02:14:21,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:14:21,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:14:21,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:14:21,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:14:21,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:21" (1/1) ... [2022-11-22 02:14:21,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:21" (1/1) ... [2022-11-22 02:14:21,229 INFO L138 Inliner]: procedures = 693, calls = 2658, calls flagged for inlining = 56, calls inlined = 7, statements flattened = 792 [2022-11-22 02:14:21,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:14:21,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:14:21,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:14:21,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:14:21,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:21" (1/1) ... [2022-11-22 02:14:21,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:21" (1/1) ... [2022-11-22 02:14:21,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:21" (1/1) ... [2022-11-22 02:14:21,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:21" (1/1) ... [2022-11-22 02:14:21,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:21" (1/1) ... [2022-11-22 02:14:21,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:21" (1/1) ... [2022-11-22 02:14:21,300 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:21" (1/1) ... [2022-11-22 02:14:21,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:21" (1/1) ... [2022-11-22 02:14:21,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:14:21,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:14:21,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:14:21,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:14:21,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:21" (1/1) ... [2022-11-22 02:14:21,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:14:21,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afccd11-2c53-4d72-865c-daef0ddd5948/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:14:21,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afccd11-2c53-4d72-865c-daef0ddd5948/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:14:21,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afccd11-2c53-4d72-865c-daef0ddd5948/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:14:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-22 02:14:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-22 02:14:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:14:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-22 02:14:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-22 02:14:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:14:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:14:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:14:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:14:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:14:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:14:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-22 02:14:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-22 02:14:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 02:14:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-22 02:14:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-22 02:14:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 02:14:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 02:14:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:14:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:14:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-22 02:14:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-22 02:14:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-22 02:14:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-22 02:14:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:14:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:14:21,754 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:14:21,756 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:14:23,104 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:14:23,239 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:14:23,240 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 02:14:23,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:14:23 BoogieIcfgContainer [2022-11-22 02:14:23,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:14:23,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:14:23,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:14:23,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:14:23,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:14:17" (1/3) ... [2022-11-22 02:14:23,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8b5590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:14:23, skipping insertion in model container [2022-11-22 02:14:23,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:21" (2/3) ... [2022-11-22 02:14:23,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8b5590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:14:23, skipping insertion in model container [2022-11-22 02:14:23,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:14:23" (3/3) ... [2022-11-22 02:14:23,252 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_harness.i [2022-11-22 02:14:23,271 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:14:23,271 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-22 02:14:23,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8b5590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:14:23, skipping insertion in model container [2022-11-22 02:14:23,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:14:23,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:14:23,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:14:23,274 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:14:23,275 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:14:23" (3/3) ... [2022-11-22 02:14:23,278 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 02:14:23,284 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-22 02:14:23,284 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-11-22 02:14:23,284 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-22 02:14:23,285 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2022-11-22 02:14:23,285 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-22 02:14:23,285 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-22 02:14:23,285 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-11-22 02:14:23,295 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 134 nodes and edges [2022-11-22 02:14:23,296 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2022-11-22 02:14:23,297 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-22 02:14:23,299 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-22 02:14:23,300 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-22 02:14:23,301 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-22 02:14:23,302 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 02:14:23,303 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 02:14:24,485 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afccd11-2c53-4d72-865c-daef0ddd5948/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 02:14:24,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:14:24,487 INFO L158 Benchmark]: Toolchain (without parser) took 6485.40ms. Allocated memory was 186.6MB in the beginning and 260.0MB in the end (delta: 73.4MB). Free memory was 155.6MB in the beginning and 140.1MB in the end (delta: 15.5MB). Peak memory consumption was 159.2MB. Max. memory is 16.1GB. [2022-11-22 02:14:24,487 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 136.3MB. Free memory is still 110.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:14:24,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3036.70ms. Allocated memory is still 186.6MB. Free memory was 155.4MB in the beginning and 110.7MB in the end (delta: 44.7MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. [2022-11-22 02:14:24,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 190.33ms. Allocated memory is still 186.6MB. Free memory was 110.7MB in the beginning and 99.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 02:14:24,489 INFO L158 Benchmark]: Boogie Preprocessor took 79.35ms. Allocated memory is still 186.6MB. Free memory was 99.2MB in the beginning and 92.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-22 02:14:24,489 INFO L158 Benchmark]: RCFGBuilder took 1931.31ms. Allocated memory was 186.6MB in the beginning and 260.0MB in the end (delta: 73.4MB). Free memory was 92.9MB in the beginning and 158.3MB in the end (delta: -65.4MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2022-11-22 02:14:24,489 INFO L158 Benchmark]: TraceAbstraction took 28.41ms. Allocated memory is still 260.0MB. Free memory was 158.3MB in the beginning and 156.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:14:24,490 INFO L158 Benchmark]: Witness Printer took 1211.59ms. Allocated memory is still 260.0MB. Free memory was 156.2MB in the beginning and 140.1MB in the end (delta: 16.1MB). Peak memory consumption was 87.4MB. Max. memory is 16.1GB. [2022-11-22 02:14:24,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 136.3MB. Free memory is still 110.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3036.70ms. Allocated memory is still 186.6MB. Free memory was 155.4MB in the beginning and 110.7MB in the end (delta: 44.7MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 190.33ms. Allocated memory is still 186.6MB. Free memory was 110.7MB in the beginning and 99.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.35ms. Allocated memory is still 186.6MB. Free memory was 99.2MB in the beginning and 92.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1931.31ms. Allocated memory was 186.6MB in the beginning and 260.0MB in the end (delta: 73.4MB). Free memory was 92.9MB in the beginning and 158.3MB in the end (delta: -65.4MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * TraceAbstraction took 28.41ms. Allocated memory is still 260.0MB. Free memory was 158.3MB in the beginning and 156.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 1211.59ms. Allocated memory is still 260.0MB. Free memory was 156.2MB in the beginning and 140.1MB in the end (delta: 16.1MB). Peak memory consumption was 87.4MB. 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! [2022-11-22 02:14:24,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1afccd11-2c53-4d72-865c-daef0ddd5948/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE