./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dda9581c1f95c1290ca4e1b4fb490c658b6333634d0e45c75781ec7f697326df --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 12:19:24,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:19:24,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:19:24,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:19:24,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:19:24,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:19:24,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:19:24,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:19:24,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:19:24,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:19:24,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:19:24,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:19:24,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:19:24,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:19:24,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:19:25,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:19:25,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:19:25,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:19:25,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:19:25,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:19:25,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:19:25,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:19:25,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:19:25,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:19:25,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:19:25,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:19:25,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:19:25,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:19:25,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:19:25,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:19:25,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:19:25,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:19:25,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:19:25,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:19:25,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:19:25,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:19:25,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:19:25,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:19:25,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:19:25,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:19:25,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:19:25,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 12:19:25,032 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:19:25,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:19:25,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:19:25,037 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:19:25,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:19:25,038 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:19:25,038 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:19:25,038 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:19:25,038 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:19:25,038 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:19:25,038 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:19:25,038 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:19:25,038 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:19:25,039 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:19:25,039 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:19:25,039 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:19:25,039 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:19:25,039 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:19:25,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:19:25,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:19:25,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:19:25,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:19:25,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:19:25,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:19:25,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:19:25,040 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:19:25,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:19:25,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:19:25,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:19:25,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:19:25,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:19:25,041 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:19:25,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:19:25,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:19:25,042 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:19:25,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:19:25,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:19:25,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:19:25,042 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_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dda9581c1f95c1290ca4e1b4fb490c658b6333634d0e45c75781ec7f697326df [2022-12-14 12:19:25,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:19:25,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:19:25,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:19:25,230 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:19:25,230 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:19:25,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i [2022-12-14 12:19:27,753 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:19:28,021 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:19:28,022 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i [2022-12-14 12:19:28,038 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/data/2c8d9eaa8/2a84accf810d4e14a2edaa170461078b/FLAGa5275b721 [2022-12-14 12:19:28,331 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/data/2c8d9eaa8/2a84accf810d4e14a2edaa170461078b [2022-12-14 12:19:28,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:19:28,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:19:28,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:19:28,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:19:28,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:19:28,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:19:28" (1/1) ... [2022-12-14 12:19:28,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30650d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:28, skipping insertion in model container [2022-12-14 12:19:28,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:19:28" (1/1) ... [2022-12-14 12:19:28,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:19:28,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:19:28,608 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_615b116a-d7e9-46dd-87aa-321fdcd42fdb/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4490,4503] [2022-12-14 12:19:28,614 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_615b116a-d7e9-46dd-87aa-321fdcd42fdb/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4550,4563] [2022-12-14 12:19:29,190 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,191 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,191 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,192 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,193 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,203 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,204 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,205 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,206 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,207 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,208 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,208 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,209 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,256 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 12:19:29,256 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 12:19:29,257 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 12:19:29,260 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 12:19:29,262 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 12:19:29,262 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 12:19:29,439 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 12:19:29,440 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 12:19:29,441 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 12:19:29,442 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 12:19:29,443 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 12:19:29,444 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 12:19:29,444 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 12:19:29,445 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 12:19:29,445 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 12:19:29,445 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 12:19:29,446 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 12:19:29,542 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 12:19:29,549 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:19:29,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:19:29,566 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:19:29,576 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_615b116a-d7e9-46dd-87aa-321fdcd42fdb/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4490,4503] [2022-12-14 12:19:29,576 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_615b116a-d7e9-46dd-87aa-321fdcd42fdb/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4550,4563] [2022-12-14 12:19:29,603 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,603 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,603 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,604 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,604 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,609 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,609 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,610 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,610 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,611 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,612 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,612 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,612 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:29,617 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 12:19:29,617 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 12:19:29,617 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 12:19:29,620 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 12:19:29,621 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 12:19:29,621 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 12:19:29,637 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 12:19:29,638 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 12:19:29,638 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 12:19:29,639 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 12:19:29,640 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 12:19:29,640 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 12:19:29,641 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 12:19:29,641 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 12:19:29,641 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 12:19:29,642 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 12:19:29,642 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 12:19:29,657 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 12:19:29,663 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:19:29,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:19:29,830 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:19:29,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:29 WrapperNode [2022-12-14 12:19:29,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:19:29,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:19:29,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:19:29,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:19:29,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:29" (1/1) ... [2022-12-14 12:19:29,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:29" (1/1) ... [2022-12-14 12:19:29,890 INFO L138 Inliner]: procedures = 679, calls = 972, calls flagged for inlining = 44, calls inlined = 6, statements flattened = 59 [2022-12-14 12:19:29,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:19:29,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:19:29,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:19:29,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:19:29,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:29" (1/1) ... [2022-12-14 12:19:29,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:29" (1/1) ... [2022-12-14 12:19:29,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:29" (1/1) ... [2022-12-14 12:19:29,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:29" (1/1) ... [2022-12-14 12:19:29,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:29" (1/1) ... [2022-12-14 12:19:29,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:29" (1/1) ... [2022-12-14 12:19:29,910 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:29" (1/1) ... [2022-12-14 12:19:29,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:29" (1/1) ... [2022-12-14 12:19:29,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:19:29,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:19:29,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:19:29,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:19:29,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:29" (1/1) ... [2022-12-14 12:19:29,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:19:29,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:19:29,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:19:29,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:19:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-12-14 12:19:29,969 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-12-14 12:19:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 12:19:29,969 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 12:19:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:19:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 12:19:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 12:19:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 12:19:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:19:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 12:19:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:19:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:19:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 12:19:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 12:19:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-12-14 12:19:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-12-14 12:19:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 12:19:29,971 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 12:19:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 12:19:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 12:19:29,971 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 12:19:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-14 12:19:29,971 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-14 12:19:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:19:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:19:30,138 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:19:30,139 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:19:30,284 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:19:30,336 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:19:30,336 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 12:19:30,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:19:30 BoogieIcfgContainer [2022-12-14 12:19:30,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:19:30,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:19:30,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:19:30,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:19:30,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:19:28" (1/3) ... [2022-12-14 12:19:30,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267c9f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:19:30, skipping insertion in model container [2022-12-14 12:19:30,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:29" (2/3) ... [2022-12-14 12:19:30,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267c9f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:19:30, skipping insertion in model container [2022-12-14 12:19:30,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:19:30" (3/3) ... [2022-12-14 12:19:30,346 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness_negated.i [2022-12-14 12:19:30,361 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:19:30,361 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 12:19:30,397 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:19:30,401 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@56b3fcd6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:19:30,401 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 12:19:30,405 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-14 12:19:30,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 12:19:30,411 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:19:30,411 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:19:30,412 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:19:30,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:19:30,416 INFO L85 PathProgramCache]: Analyzing trace with hash -723115247, now seen corresponding path program 1 times [2022-12-14 12:19:30,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:19:30,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976761440] [2022-12-14 12:19:30,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:30,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:19:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:19:31,427 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 12:19:31,427 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:19:31,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976761440] [2022-12-14 12:19:31,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976761440] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:19:31,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566410451] [2022-12-14 12:19:31,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:31,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:31,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:19:31,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:19:31,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:19:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:19:31,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 55 conjunts are in the unsatisfiable core [2022-12-14 12:19:31,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:19:31,991 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 12:19:31,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:19:31,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566410451] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:19:31,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:19:31,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 10 [2022-12-14 12:19:31,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549908900] [2022-12-14 12:19:31,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:19:31,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 12:19:31,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:19:32,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 12:19:32,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-12-14 12:19:32,020 INFO L87 Difference]: Start difference. First operand has 44 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 8 states, 5 states have (on average 3.6) internal successors, (18), 7 states have internal predecessors, (18), 4 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2022-12-14 12:19:32,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:19:32,128 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2022-12-14 12:19:32,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 12:19:32,130 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 5 states have (on average 3.6) internal successors, (18), 7 states have internal predecessors, (18), 4 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 36 [2022-12-14 12:19:32,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:19:32,134 INFO L225 Difference]: With dead ends: 46 [2022-12-14 12:19:32,134 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 12:19:32,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-12-14 12:19:32,140 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:19:32,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 26 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:19:32,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 12:19:32,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 12:19:32,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:19:32,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 12:19:32,158 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-12-14 12:19:32,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:19:32,158 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 12:19:32,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 5 states have (on average 3.6) internal successors, (18), 7 states have internal predecessors, (18), 4 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2022-12-14 12:19:32,159 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 12:19:32,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 12:19:32,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 12:19:32,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:19:32,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 12:19:32,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 12:19:32,516 INFO L899 garLoopResultBuilder]: For program point L6927-1(lines 6927 6929) no Hoare annotation was computed. [2022-12-14 12:19:32,517 INFO L895 garLoopResultBuilder]: At program point L6927(lines 6927 6929) the Hoare annotation is: (and (<= |bounded_malloc_#in~size| bounded_malloc_~size) (<= bounded_malloc_~size |bounded_malloc_#in~size|)) [2022-12-14 12:19:32,517 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6926 6931) the Hoare annotation is: true [2022-12-14 12:19:32,518 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6926 6931) no Hoare annotation was computed. [2022-12-14 12:19:32,518 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-12-14 12:19:32,518 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2022-12-14 12:19:32,518 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6292 6296) no Hoare annotation was computed. [2022-12-14 12:19:32,519 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6292 6296) the Hoare annotation is: true [2022-12-14 12:19:32,519 INFO L902 garLoopResultBuilder]: At program point L6294(line 6294) the Hoare annotation is: true [2022-12-14 12:19:32,519 INFO L902 garLoopResultBuilder]: At program point L6294-1(line 6294) the Hoare annotation is: true [2022-12-14 12:19:32,520 INFO L899 garLoopResultBuilder]: For program point L6294-2(line 6294) no Hoare annotation was computed. [2022-12-14 12:19:32,520 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2022-12-14 12:19:32,520 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-12-14 12:19:32,521 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6933 6935) the Hoare annotation is: true [2022-12-14 12:19:32,521 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6933 6935) no Hoare annotation was computed. [2022-12-14 12:19:32,521 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6302 6307) the Hoare annotation is: true [2022-12-14 12:19:32,522 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6302 6307) no Hoare annotation was computed. [2022-12-14 12:19:32,522 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-12-14 12:19:32,522 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2022-12-14 12:19:32,523 INFO L895 garLoopResultBuilder]: At program point L6846(line 6846) the Hoare annotation is: (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 1234549) [2022-12-14 12:19:32,523 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 12:19:32,523 INFO L895 garLoopResultBuilder]: At program point L6854-5(lines 6854 6855) the Hoare annotation is: false [2022-12-14 12:19:32,524 INFO L899 garLoopResultBuilder]: For program point L7261-2(line 7261) no Hoare annotation was computed. [2022-12-14 12:19:32,524 INFO L895 garLoopResultBuilder]: At program point L7261-1(line 7261) the Hoare annotation is: false [2022-12-14 12:19:32,524 INFO L899 garLoopResultBuilder]: For program point L6846-1(line 6846) no Hoare annotation was computed. [2022-12-14 12:19:32,524 INFO L895 garLoopResultBuilder]: At program point L7261(line 7261) the Hoare annotation is: false [2022-12-14 12:19:32,525 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 12:19:32,525 INFO L899 garLoopResultBuilder]: For program point L6851-1(line 6851) no Hoare annotation was computed. [2022-12-14 12:19:32,525 INFO L895 garLoopResultBuilder]: At program point L6851(line 6851) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 1234549) (<= |ULTIMATE.start_ensure_string_is_allocated_~len#1| (+ (* (div |ULTIMATE.start_ensure_string_is_allocated_~len#1| 18446744073709551616) 18446744073709551616) 1234548)) (<= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| (+ (* (div |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) 18446744073709551616) 1234548))) [2022-12-14 12:19:32,526 INFO L895 garLoopResultBuilder]: At program point L7262(line 7262) the Hoare annotation is: false [2022-12-14 12:19:32,526 INFO L899 garLoopResultBuilder]: For program point L6845-1(line 6845) no Hoare annotation was computed. [2022-12-14 12:19:32,526 INFO L895 garLoopResultBuilder]: At program point L7262-2(line 7262) the Hoare annotation is: false [2022-12-14 12:19:32,526 INFO L895 garLoopResultBuilder]: At program point L6845(line 6845) the Hoare annotation is: (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 1234549) [2022-12-14 12:19:32,526 INFO L895 garLoopResultBuilder]: At program point L7262-1(line 7262) the Hoare annotation is: false [2022-12-14 12:19:32,526 INFO L895 garLoopResultBuilder]: At program point L6854(line 6854) the Hoare annotation is: false [2022-12-14 12:19:32,527 INFO L899 garLoopResultBuilder]: For program point L6854-3(line 6854) no Hoare annotation was computed. [2022-12-14 12:19:32,527 INFO L895 garLoopResultBuilder]: At program point L6854-2(line 6854) the Hoare annotation is: false [2022-12-14 12:19:32,527 INFO L899 garLoopResultBuilder]: For program point L6854-1(lines 6854 6855) no Hoare annotation was computed. [2022-12-14 12:19:32,527 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-12-14 12:19:32,527 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-12-14 12:19:32,527 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-12-14 12:19:32,527 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-12-14 12:19:32,528 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2022-12-14 12:19:32,528 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-12-14 12:19:32,533 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 12:19:32,535 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:19:32,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:19:32 BoogieIcfgContainer [2022-12-14 12:19:32,547 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:19:32,548 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:19:32,548 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:19:32,548 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:19:32,549 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:19:30" (3/4) ... [2022-12-14 12:19:32,551 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 12:19:32,556 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-12-14 12:19:32,556 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-12-14 12:19:32,556 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-12-14 12:19:32,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2022-12-14 12:19:32,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 12:19:32,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 12:19:32,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-12-14 12:19:32,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-12-14 12:19:32,562 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2022-12-14 12:19:32,562 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-14 12:19:32,562 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 12:19:32,562 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 12:19:32,599 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 12:19:32,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:19:32,600 INFO L158 Benchmark]: Toolchain (without parser) took 4259.35ms. Allocated memory was 121.6MB in the beginning and 176.2MB in the end (delta: 54.5MB). Free memory was 80.8MB in the beginning and 109.9MB in the end (delta: -29.1MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-12-14 12:19:32,600 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:19:32,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1487.43ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 80.8MB in the beginning and 97.5MB in the end (delta: -16.7MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2022-12-14 12:19:32,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.55ms. Allocated memory is still 146.8MB. Free memory was 97.5MB in the beginning and 92.1MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 12:19:32,601 INFO L158 Benchmark]: Boogie Preprocessor took 22.80ms. Allocated memory is still 146.8MB. Free memory was 92.1MB in the beginning and 90.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:19:32,601 INFO L158 Benchmark]: RCFGBuilder took 424.00ms. Allocated memory is still 146.8MB. Free memory was 90.0MB in the beginning and 64.0MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 12:19:32,601 INFO L158 Benchmark]: TraceAbstraction took 2206.42ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 63.6MB in the beginning and 113.1MB in the end (delta: -49.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:19:32,602 INFO L158 Benchmark]: Witness Printer took 51.52ms. Allocated memory is still 176.2MB. Free memory was 113.1MB in the beginning and 109.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 12:19:32,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1487.43ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 80.8MB in the beginning and 97.5MB in the end (delta: -16.7MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.55ms. Allocated memory is still 146.8MB. Free memory was 97.5MB in the beginning and 92.1MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.80ms. Allocated memory is still 146.8MB. Free memory was 92.1MB in the beginning and 90.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 424.00ms. Allocated memory is still 146.8MB. Free memory was 90.0MB in the beginning and 64.0MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2206.42ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 63.6MB in the beginning and 113.1MB in the end (delta: -49.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 51.52ms. Allocated memory is still 176.2MB. Free memory was 113.1MB in the beginning and 109.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 7 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 26 PreInvPairs, 26 NumberOfFragments, 53 HoareAnnotationTreeSize, 26 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 204 SizeOfPredicates, 8 NumberOfNonLiveVariables, 238 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6854]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-12-14 12:19:32,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615b116a-d7e9-46dd-87aa-321fdcd42fdb/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE