./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e35bac-436f-4148-a4d8-0e5803ab43d0/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e35bac-436f-4148-a4d8-0e5803ab43d0/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e35bac-436f-4148-a4d8-0e5803ab43d0/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e35bac-436f-4148-a4d8-0e5803ab43d0/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e35bac-436f-4148-a4d8-0e5803ab43d0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e35bac-436f-4148-a4d8-0e5803ab43d0/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --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 ab48078691743837960e369bd318845908490844fac300de97818a03fa84d8a1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:20:58,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:58,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e35bac-436f-4148-a4d8-0e5803ab43d0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:20:58,220 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:58,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:58,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:58,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:58,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:58,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:58,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:58,275 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:58,276 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:58,277 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:58,279 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:20:58,279 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:58,280 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:58,280 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:20:58,281 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:20:58,281 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:58,282 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:20:58,283 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:20:58,283 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:20:58,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:58,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:58,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:20:58,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:58,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:58,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:58,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:58,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:58,290 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:58,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:58,291 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:58,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:58,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:58,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:58,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:58,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:58,293 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:20:58,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:20:58,294 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:58,294 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:58,295 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:58,295 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:58,296 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e35bac-436f-4148-a4d8-0e5803ab43d0/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e35bac-436f-4148-a4d8-0e5803ab43d0/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab48078691743837960e369bd318845908490844fac300de97818a03fa84d8a1 [2023-11-23 21:20:58,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:58,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:58,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:58,706 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:58,707 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:58,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e35bac-436f-4148-a4d8-0e5803ab43d0/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i [2023-11-23 21:21:01,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:02,660 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:02,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e35bac-436f-4148-a4d8-0e5803ab43d0/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i [2023-11-23 21:21:02,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e35bac-436f-4148-a4d8-0e5803ab43d0/bin/utaipan-verify-mE87zJ7Ire/data/d233eaf65/c65353a1e79a44ca9db080455301e198/FLAG04649492b [2023-11-23 21:21:02,749 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e35bac-436f-4148-a4d8-0e5803ab43d0/bin/utaipan-verify-mE87zJ7Ire/data/d233eaf65/c65353a1e79a44ca9db080455301e198 [2023-11-23 21:21:02,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:02,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:02,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:02,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:02,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:02,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:02" (1/1) ... [2023-11-23 21:21:02,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b09264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:02, skipping insertion in model container [2023-11-23 21:21:02,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:02" (1/1) ... [2023-11-23 21:21:02,988 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:03,352 WARN L240 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_02e35bac-436f-4148-a4d8-0e5803ab43d0/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i[4498,4511] [2023-11-23 21:21:03,362 WARN L240 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_02e35bac-436f-4148-a4d8-0e5803ab43d0/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i[4558,4571] [2023-11-23 21:21:04,819 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:04,820 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:04,820 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:04,821 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:04,823 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:04,837 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:04,838 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:04,840 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:04,841 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:05,449 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 21:21:05,451 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 21:21:05,453 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 21:21:05,459 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 21:21:05,463 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 21:21:05,464 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 21:21:05,465 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 21:21:05,466 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 21:21:05,467 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 21:21:05,467 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 21:21:05,862 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:05,870 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,408 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,409 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,456 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,457 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,475 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,476 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,501 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,503 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,503 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,504 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,504 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,506 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,506 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:06,630 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:06,659 WARN L240 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_02e35bac-436f-4148-a4d8-0e5803ab43d0/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i[4498,4511] [2023-11-23 21:21:06,662 WARN L240 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_02e35bac-436f-4148-a4d8-0e5803ab43d0/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i[4558,4571] [2023-11-23 21:21:06,722 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,722 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,723 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,723 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,724 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,731 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,731 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,732 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,733 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,769 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 21:21:06,770 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 21:21:06,770 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 21:21:06,771 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 21:21:06,772 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 21:21:06,773 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 21:21:06,774 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 21:21:06,774 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 21:21:06,775 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 21:21:06,775 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 21:21:06,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8288] [2023-11-23 21:21:06,979 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:06,985 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:07,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8774-8785] [2023-11-23 21:21:07,138 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:07,139 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:07,151 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:07,152 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:07,157 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:07,158 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:07,170 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:07,171 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:07,172 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:07,172 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:07,173 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:07,173 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:07,174 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:07,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:07,500 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,501 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,501 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,501 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,501 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,501 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,502 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,502 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,502 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,502 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,502 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,503 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,503 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,503 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,503 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,503 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,503 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,504 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,504 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,504 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:07,513 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:07,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:07 WrapperNode [2023-11-23 21:21:07,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:07,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:07,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:07,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:07,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:07" (1/1) ... [2023-11-23 21:21:07,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:07" (1/1) ... [2023-11-23 21:21:07,813 INFO L138 Inliner]: procedures = 774, calls = 3579, calls flagged for inlining = 77, calls inlined = 6, statements flattened = 793 [2023-11-23 21:21:07,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:07,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:07,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:07,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:07,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:07" (1/1) ... [2023-11-23 21:21:07,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:07" (1/1) ... [2023-11-23 21:21:07,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:07" (1/1) ... [2023-11-23 21:21:07,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:07" (1/1) ... [2023-11-23 21:21:07,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:07" (1/1) ... [2023-11-23 21:21:07,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:07" (1/1) ... [2023-11-23 21:21:07,952 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:07" (1/1) ... [2023-11-23 21:21:07,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:07" (1/1) ... [2023-11-23 21:21:07,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:07,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:07,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:07,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:07,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:07" (1/1) ... [2023-11-23 21:21:07,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:07,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e35bac-436f-4148-a4d8-0e5803ab43d0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:08,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e35bac-436f-4148-a4d8-0e5803ab43d0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:08,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e35bac-436f-4148-a4d8-0e5803ab43d0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 21:21:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 21:21:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:21:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 21:21:08,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 21:21:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:21:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:21:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:08,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 21:21:08,056 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 21:21:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:21:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:21:08,057 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2023-11-23 21:21:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2023-11-23 21:21:08,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:21:08,057 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2023-11-23 21:21:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2023-11-23 21:21:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:21:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:21:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:21:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:21:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:21:08,412 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:08,414 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:21:10,623 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !true; [2023-11-23 21:21:10,632 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:21:12,649 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:21:12,649 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-23 21:21:12,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:12 BoogieIcfgContainer [2023-11-23 21:21:12,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:21:12,653 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:21:12,653 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:21:12,657 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:21:12,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:21:02" (1/3) ... [2023-11-23 21:21:12,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45240974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:12, skipping insertion in model container [2023-11-23 21:21:12,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:07" (2/3) ... [2023-11-23 21:21:12,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45240974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:12, skipping insertion in model container [2023-11-23 21:21:12,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:12" (3/3) ... [2023-11-23 21:21:12,660 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_byte_cursor_ptr_harness.i [2023-11-23 21:21:12,680 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:21:12,680 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:21:12,731 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:21:12,738 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=LoopHeads, 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;@7d52d32a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:21:12,738 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:21:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 55 states have (on average 1.5636363636363637) internal successors, (86), 55 states have internal predecessors, (86), 13 states have call successors, (13), 6 states have call predecessors, (13), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-23 21:21:12,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 21:21:12,754 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:12,755 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1] [2023-11-23 21:21:12,755 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:12,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:12,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1622615197, now seen corresponding path program 1 times [2023-11-23 21:21:12,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:21:12,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390184610] [2023-11-23 21:21:12,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:12,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:21:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:22,891 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-23 21:21:22,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:21:22,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390184610] [2023-11-23 21:21:22,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390184610] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:22,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:22,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-23 21:21:22,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321488379] [2023-11-23 21:21:22,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:22,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-23 21:21:22,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:21:22,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-23 21:21:22,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2023-11-23 21:21:22,967 INFO L87 Difference]: Start difference. First operand has 75 states, 55 states have (on average 1.5636363636363637) internal successors, (86), 55 states have internal predecessors, (86), 13 states have call successors, (13), 6 states have call predecessors, (13), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 15 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 6 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2023-11-23 21:21:27,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:29,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:31,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:33,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:35,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:37,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:39,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:41,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:43,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:45,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:47,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:49,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:51,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:52,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:54,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:56,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []