./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/bin/utaipan-eEHZpOm5b7/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_bf405249-ce1f-411f-bcf8-50f88817d0fa/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e34b03d670b9dc83c77f9a1ce1b8f7e8876646ac6e894f5ec424298b73430d9a --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:49:58,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:49:58,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:49:58,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:49:58,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:49:58,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:49:58,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:49:58,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:49:58,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:49:58,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:49:58,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:49:58,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:49:58,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:49:58,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:49:58,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:49:58,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:49:58,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:49:58,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:49:58,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:49:58,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:49:58,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:49:58,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:49:58,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:49:58,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:49:58,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:49:58,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:49:58,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:49:58,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:49:58,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:49:58,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:49:58,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:49:58,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:49:58,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:49:58,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:49:58,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:49:58,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:49:58,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:49:58,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:49:58,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:49:58,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:49:58,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:49:58,835 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:49:58,891 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:49:58,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:49:58,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:49:58,892 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:49:58,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:49:58,892 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:49:58,893 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:49:58,893 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:49:58,893 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:49:58,893 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:49:58,894 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:49:58,894 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:49:58,894 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:49:58,894 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:49:58,897 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:49:58,898 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:49:58,898 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:49:58,898 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:49:58,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:49:58,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:49:58,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:49:58,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:49:58,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:49:58,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:49:58,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:49:58,900 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:49:58,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:49:58,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:49:58,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:49:58,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:49:58,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:49:58,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:49:58,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:49:58,903 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:49:58,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:49:58,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:49:58,905 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:49:58,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:49:58,905 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e34b03d670b9dc83c77f9a1ce1b8f7e8876646ac6e894f5ec424298b73430d9a [2021-11-25 19:49:59,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:49:59,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:49:59,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:49:59,232 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:49:59,233 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:49:59,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2021-11-25 19:49:59,328 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/bin/utaipan-eEHZpOm5b7/data/41f4d14f8/b355ce0c3d33447ea9279c8c7c2491ee/FLAG860eb56c9 [2021-11-25 19:50:00,237 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:50:00,237 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2021-11-25 19:50:00,287 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/bin/utaipan-eEHZpOm5b7/data/41f4d14f8/b355ce0c3d33447ea9279c8c7c2491ee/FLAG860eb56c9 [2021-11-25 19:50:00,658 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/bin/utaipan-eEHZpOm5b7/data/41f4d14f8/b355ce0c3d33447ea9279c8c7c2491ee [2021-11-25 19:50:00,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:50:00,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:50:00,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:50:00,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:50:00,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:50:00,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:50:00" (1/1) ... [2021-11-25 19:50:00,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e43b1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:00, skipping insertion in model container [2021-11-25 19:50:00,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:50:00" (1/1) ... [2021-11-25 19:50:00,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:50:00,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:50:01,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4492,4505] [2021-11-25 19:50:01,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4552,4565] [2021-11-25 19:50:02,128 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:02,129 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:02,129 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:02,130 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:02,132 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:02,156 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:02,159 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:02,164 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:02,165 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:02,572 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 19:50:02,573 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 19:50:02,575 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 19:50:02,576 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 19:50:02,577 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 19:50:02,578 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 19:50:02,579 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 19:50:02,580 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 19:50:02,580 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 19:50:02,581 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 19:50:02,751 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 19:50:02,857 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:02,858 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:03,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:50:03,135 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:50:03,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4492,4505] [2021-11-25 19:50:03,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4552,4565] [2021-11-25 19:50:03,227 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:03,232 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:03,232 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:03,233 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:03,234 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:03,248 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:03,249 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:03,250 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:03,250 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:03,296 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 19:50:03,297 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 19:50:03,302 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 19:50:03,303 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 19:50:03,305 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 19:50:03,306 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 19:50:03,308 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 19:50:03,309 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 19:50:03,309 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 19:50:03,310 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 19:50:03,331 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 19:50:03,406 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:03,407 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:50:03,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:50:03,779 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:50:03,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03 WrapperNode [2021-11-25 19:50:03,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:50:03,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:50:03,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:50:03,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:50:03,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:03,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:04,000 INFO L137 Inliner]: procedures = 693, calls = 2659, calls flagged for inlining = 56, calls inlined = 7, statements flattened = 793 [2021-11-25 19:50:04,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:50:04,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:50:04,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:50:04,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:50:04,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:04,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:04,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:04,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:04,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:04,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:04,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:04,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:50:04,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:50:04,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:50:04,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:50:04,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (1/1) ... [2021-11-25 19:50:04,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:50:04,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:50:04,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:50:04,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:50:04,215 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-11-25 19:50:04,216 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-11-25 19:50:04,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:50:04,217 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-25 19:50:04,217 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-25 19:50:04,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:50:04,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:50:04,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:50:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:50:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:50:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:50:04,220 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-25 19:50:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-25 19:50:04,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 19:50:04,220 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-11-25 19:50:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-11-25 19:50:04,220 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 19:50:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 19:50:04,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:50:04,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:50:04,222 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-25 19:50:04,222 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-25 19:50:04,222 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-25 19:50:04,222 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-25 19:50:04,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:50:04,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:50:04,435 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:50:04,437 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:50:06,018 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:50:06,146 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:50:06,146 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 19:50:06,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:50:06 BoogieIcfgContainer [2021-11-25 19:50:06,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:50:06,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:50:06,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:50:06,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:50:06,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:50:00" (1/3) ... [2021-11-25 19:50:06,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7038806d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:50:06, skipping insertion in model container [2021-11-25 19:50:06,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:03" (2/3) ... [2021-11-25 19:50:06,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7038806d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:50:06, skipping insertion in model container [2021-11-25 19:50:06,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:50:06" (3/3) ... [2021-11-25 19:50:06,161 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_harness.i [2021-11-25 19:50:06,170 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:50:06,170 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-25 19:50:06,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7038806d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:50:06, skipping insertion in model container [2021-11-25 19:50:06,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:50:06,178 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:50:06,178 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:50:06,178 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:50:06,179 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:50:06" (3/3) ... [2021-11-25 19:50:06,184 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 19:50:06,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-25 19:50:06,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-11-25 19:50:06,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-11-25 19:50:06,191 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2021-11-25 19:50:06,191 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-25 19:50:06,191 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-11-25 19:50:06,191 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2021-11-25 19:50:06,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 134 nodes and edges [2021-11-25 19:50:06,208 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2021-11-25 19:50:06,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-25 19:50:06,211 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-25 19:50:06,213 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-25 19:50:06,214 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 19:50:06,216 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 19:50:06,218 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 19:50:08,033 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 19:50:08,034 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:50:08,035 INFO L158 Benchmark]: Toolchain (without parser) took 7360.56ms. Allocated memory was 104.9MB in the beginning and 270.5MB in the end (delta: 165.7MB). Free memory was 61.7MB in the beginning and 164.7MB in the end (delta: -103.0MB). Peak memory consumption was 162.5MB. Max. memory is 16.1GB. [2021-11-25 19:50:08,036 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory was 57.8MB in the beginning and 57.7MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:50:08,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3103.26ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 61.5MB in the beginning and 60.8MB in the end (delta: 729.0kB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2021-11-25 19:50:08,037 INFO L158 Benchmark]: Boogie Procedure Inliner took 228.72ms. Allocated memory is still 140.5MB. Free memory was 60.8MB in the beginning and 49.7MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 19:50:08,037 INFO L158 Benchmark]: Boogie Preprocessor took 97.51ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 49.7MB in the beginning and 127.4MB in the end (delta: -77.7MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-11-25 19:50:08,037 INFO L158 Benchmark]: RCFGBuilder took 2041.11ms. Allocated memory is still 186.6MB. Free memory was 127.4MB in the beginning and 97.7MB in the end (delta: 29.6MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2021-11-25 19:50:08,038 INFO L158 Benchmark]: TraceAbstraction took 24.26ms. Allocated memory is still 186.6MB. Free memory was 97.7MB in the beginning and 96.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:50:08,038 INFO L158 Benchmark]: Witness Printer took 1856.30ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 96.7MB in the beginning and 164.7MB in the end (delta: -68.0MB). Peak memory consumption was 117.6MB. Max. memory is 16.1GB. [2021-11-25 19:50:08,041 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory was 57.8MB in the beginning and 57.7MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3103.26ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 61.5MB in the beginning and 60.8MB in the end (delta: 729.0kB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 228.72ms. Allocated memory is still 140.5MB. Free memory was 60.8MB in the beginning and 49.7MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.51ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 49.7MB in the beginning and 127.4MB in the end (delta: -77.7MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2041.11ms. Allocated memory is still 186.6MB. Free memory was 127.4MB in the beginning and 97.7MB in the end (delta: 29.6MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. * TraceAbstraction took 24.26ms. Allocated memory is still 186.6MB. Free memory was 97.7MB in the beginning and 96.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 1856.30ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 96.7MB in the beginning and 164.7MB in the end (delta: -68.0MB). Peak memory consumption was 117.6MB. 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 specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-11-25 19:50:08,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf405249-ce1f-411f-bcf8-50f88817d0fa/bin/utaipan-eEHZpOm5b7/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