./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee543127-a1ea-4574-bb7d-338412c1effb/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee543127-a1ea-4574-bb7d-338412c1effb/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee543127-a1ea-4574-bb7d-338412c1effb/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee543127-a1ea-4574-bb7d-338412c1effb/bin/utaipan-I9t0OCRTmS/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_ee543127-a1ea-4574-bb7d-338412c1effb/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee543127-a1ea-4574-bb7d-338412c1effb/bin/utaipan-I9t0OCRTmS --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-8393723 [2022-11-19 07:09:43,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:09:43,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:09:43,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:09:43,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:09:43,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:09:43,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:09:43,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:09:43,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:09:43,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:09:43,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:09:43,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:09:43,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:09:43,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:09:43,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:09:43,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:09:43,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:09:43,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:09:43,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:09:43,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:09:43,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:09:43,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:09:43,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:09:43,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:09:43,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:09:43,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:09:43,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:09:43,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:09:43,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:09:43,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:09:43,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:09:43,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:09:43,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:09:43,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:09:43,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:09:43,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:09:43,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:09:43,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:09:43,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:09:43,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:09:43,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:09:43,815 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee543127-a1ea-4574-bb7d-338412c1effb/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:09:43,860 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:09:43,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:09:43,861 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:09:43,861 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:09:43,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:09:43,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:09:43,863 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:09:43,863 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:09:43,863 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:09:43,863 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:09:43,864 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:09:43,865 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:09:43,865 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:09:43,865 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:09:43,865 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:09:43,866 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:09:43,866 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:09:43,866 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:09:43,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:09:43,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:09:43,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:09:43,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:09:43,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:09:43,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:09:43,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:09:43,868 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:09:43,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:09:43,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:09:43,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:09:43,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:09:43,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:09:43,870 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:09:43,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:09:43,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:09:43,870 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:09:43,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:09:43,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:09:43,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:09:43,871 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_ee543127-a1ea-4574-bb7d-338412c1effb/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee543127-a1ea-4574-bb7d-338412c1effb/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e34b03d670b9dc83c77f9a1ce1b8f7e8876646ac6e894f5ec424298b73430d9a [2022-11-19 07:09:44,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:09:44,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:09:44,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:09:44,172 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:09:44,172 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:09:44,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee543127-a1ea-4574-bb7d-338412c1effb/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2022-11-19 07:09:44,251 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee543127-a1ea-4574-bb7d-338412c1effb/bin/utaipan-I9t0OCRTmS/data/4f3b27cf8/4082f86e2b954aed9ad7c47be82d20db/FLAGc23b80df0 [2022-11-19 07:09:45,061 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:09:45,062 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee543127-a1ea-4574-bb7d-338412c1effb/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2022-11-19 07:09:45,105 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee543127-a1ea-4574-bb7d-338412c1effb/bin/utaipan-I9t0OCRTmS/data/4f3b27cf8/4082f86e2b954aed9ad7c47be82d20db/FLAGc23b80df0 [2022-11-19 07:09:45,574 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee543127-a1ea-4574-bb7d-338412c1effb/bin/utaipan-I9t0OCRTmS/data/4f3b27cf8/4082f86e2b954aed9ad7c47be82d20db [2022-11-19 07:09:45,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:09:45,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:09:45,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:09:45,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:09:45,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:09:45,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:09:45" (1/1) ... [2022-11-19 07:09:45,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad3594f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:45, skipping insertion in model container [2022-11-19 07:09:45,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:09:45" (1/1) ... [2022-11-19 07:09:45,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:09:45,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:09:46,052 WARN L234 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_ee543127-a1ea-4574-bb7d-338412c1effb/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4492,4505] [2022-11-19 07:09:46,063 WARN L234 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_ee543127-a1ea-4574-bb7d-338412c1effb/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4552,4565] [2022-11-19 07:09:47,208 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:47,210 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:47,211 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:47,212 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:47,214 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:47,230 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:47,233 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:47,237 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:47,238 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:47,704 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 07:09:47,705 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 07:09:47,706 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 07:09:47,707 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 07:09:47,711 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 07:09:47,712 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 07:09:47,715 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 07:09:47,716 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 07:09:47,718 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 07:09:47,719 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 07:09:47,917 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 07:09:47,979 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:47,980 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:48,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:09:48,116 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:09:48,135 WARN L234 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_ee543127-a1ea-4574-bb7d-338412c1effb/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4492,4505] [2022-11-19 07:09:48,136 WARN L234 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_ee543127-a1ea-4574-bb7d-338412c1effb/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4552,4565] [2022-11-19 07:09:48,207 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:48,207 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:48,208 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:48,208 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:48,209 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:48,215 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:48,216 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:48,217 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:48,217 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:48,249 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 07:09:48,249 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 07:09:48,250 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 07:09:48,251 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 07:09:48,252 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 07:09:48,252 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 07:09:48,253 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 07:09:48,253 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 07:09:48,253 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 07:09:48,254 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 07:09:48,274 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 07:09:48,350 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:48,351 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:09:48,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:09:48,676 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:09:48,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:48 WrapperNode [2022-11-19 07:09:48,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:09:48,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:09:48,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:09:48,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:09:48,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:48" (1/1) ... [2022-11-19 07:09:48,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:48" (1/1) ... [2022-11-19 07:09:48,967 INFO L138 Inliner]: procedures = 693, calls = 2658, calls flagged for inlining = 56, calls inlined = 7, statements flattened = 792 [2022-11-19 07:09:48,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:09:48,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:09:48,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:09:48,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:09:48,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:48" (1/1) ... [2022-11-19 07:09:48,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:48" (1/1) ... [2022-11-19 07:09:48,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:48" (1/1) ... [2022-11-19 07:09:48,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:48" (1/1) ... [2022-11-19 07:09:49,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:48" (1/1) ... [2022-11-19 07:09:49,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:48" (1/1) ... [2022-11-19 07:09:49,025 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:48" (1/1) ... [2022-11-19 07:09:49,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:48" (1/1) ... [2022-11-19 07:09:49,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:09:49,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:09:49,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:09:49,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:09:49,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:48" (1/1) ... [2022-11-19 07:09:49,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:09:49,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee543127-a1ea-4574-bb7d-338412c1effb/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:09:49,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee543127-a1ea-4574-bb7d-338412c1effb/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:09:49,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee543127-a1ea-4574-bb7d-338412c1effb/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:09:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-19 07:09:49,160 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-19 07:09:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:09:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-19 07:09:49,162 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-19 07:09:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:09:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:09:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:09:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:09:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:09:49,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:09:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-19 07:09:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-19 07:09:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:09:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-19 07:09:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-19 07:09:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:09:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:09:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:09:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:09:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-19 07:09:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-19 07:09:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-19 07:09:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-19 07:09:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:09:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:09:49,511 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:09:49,513 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:09:50,755 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:09:50,929 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:09:50,929 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:09:50,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:09:50 BoogieIcfgContainer [2022-11-19 07:09:50,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:09:50,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:09:50,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:09:50,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:09:50,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:09:45" (1/3) ... [2022-11-19 07:09:50,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2f081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:09:50, skipping insertion in model container [2022-11-19 07:09:50,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:48" (2/3) ... [2022-11-19 07:09:50,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2f081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:09:50, skipping insertion in model container [2022-11-19 07:09:50,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:09:50" (3/3) ... [2022-11-19 07:09:50,944 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_harness.i [2022-11-19 07:09:50,965 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:09:50,965 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-19 07:09:50,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2f081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:09:50, skipping insertion in model container [2022-11-19 07:09:50,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:09:50,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:09:50,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:09:50,975 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:09:50,976 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:09:50" (3/3) ... [2022-11-19 07:09:50,982 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:09:50,989 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-19 07:09:50,990 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-11-19 07:09:50,990 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-19 07:09:50,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2022-11-19 07:09:50,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-19 07:09:50,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-19 07:09:50,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-11-19 07:09:51,001 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 134 nodes and edges [2022-11-19 07:09:51,002 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2022-11-19 07:09:51,004 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-19 07:09:51,005 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-19 07:09:51,006 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-19 07:09:51,007 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-19 07:09:51,008 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 07:09:51,009 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:09:52,003 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee543127-a1ea-4574-bb7d-338412c1effb/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:09:52,004 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:09:52,038 INFO L158 Benchmark]: Toolchain (without parser) took 6457.72ms. Allocated memory was 132.1MB in the beginning and 220.2MB in the end (delta: 88.1MB). Free memory was 91.7MB in the beginning and 151.9MB in the end (delta: -60.2MB). Peak memory consumption was 108.0MB. Max. memory is 16.1GB. [2022-11-19 07:09:52,038 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:09:52,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3096.36ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 91.7MB in the beginning and 120.5MB in the end (delta: -28.8MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. [2022-11-19 07:09:52,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 291.30ms. Allocated memory is still 182.5MB. Free memory was 120.5MB in the beginning and 110.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 07:09:52,039 INFO L158 Benchmark]: Boogie Preprocessor took 66.25ms. Allocated memory is still 182.5MB. Free memory was 110.0MB in the beginning and 103.6MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 07:09:52,039 INFO L158 Benchmark]: RCFGBuilder took 1895.39ms. Allocated memory is still 182.5MB. Free memory was 103.6MB in the beginning and 97.2MB in the end (delta: 6.4MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2022-11-19 07:09:52,040 INFO L158 Benchmark]: TraceAbstraction took 38.08ms. Allocated memory is still 182.5MB. Free memory was 96.2MB in the beginning and 94.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:09:52,040 INFO L158 Benchmark]: Witness Printer took 1045.07ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 94.1MB in the beginning and 146.0MB in the end (delta: -51.9MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2022-11-19 07:09:52,042 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3096.36ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 91.7MB in the beginning and 120.5MB in the end (delta: -28.8MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 291.30ms. Allocated memory is still 182.5MB. Free memory was 120.5MB in the beginning and 110.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.25ms. Allocated memory is still 182.5MB. Free memory was 110.0MB in the beginning and 103.6MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1895.39ms. Allocated memory is still 182.5MB. Free memory was 103.6MB in the beginning and 97.2MB in the end (delta: 6.4MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. * TraceAbstraction took 38.08ms. Allocated memory is still 182.5MB. Free memory was 96.2MB in the beginning and 94.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 1045.07ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 94.1MB in the beginning and 146.0MB in the end (delta: -51.9MB). Peak memory consumption was 60.3MB. 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! [2022-11-19 07:09:52,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee543127-a1ea-4574-bb7d-338412c1effb/bin/utaipan-I9t0OCRTmS/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