./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 cf1a7837 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_5f1c8584-b64b-4867-95be-ca220e2cd54f/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1c8584-b64b-4867-95be-ca220e2cd54f/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1c8584-b64b-4867-95be-ca220e2cd54f/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1c8584-b64b-4867-95be-ca220e2cd54f/bin/utaipan-verify-NcY6lQBIFX/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_5f1c8584-b64b-4867-95be-ca220e2cd54f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1c8584-b64b-4867-95be-ca220e2cd54f/bin/utaipan-verify-NcY6lQBIFX --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-cf1a783 [2023-11-12 00:52:58,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:52:59,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1c8584-b64b-4867-95be-ca220e2cd54f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:52:59,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:52:59,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:52:59,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:52:59,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:52:59,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:52:59,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:52:59,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:52:59,111 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:52:59,111 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:52:59,112 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:52:59,114 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:52:59,114 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:52:59,115 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:52:59,115 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:52:59,116 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:52:59,116 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:52:59,117 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:52:59,118 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:52:59,118 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:52:59,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:52:59,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:52:59,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:52:59,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:52:59,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:52:59,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:52:59,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:52:59,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:52:59,124 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:52:59,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:52:59,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:52:59,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:59,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:52:59,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:52:59,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:52:59,127 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:52:59,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:52:59,127 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:52:59,128 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:52:59,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:52:59,129 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_5f1c8584-b64b-4867-95be-ca220e2cd54f/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1c8584-b64b-4867-95be-ca220e2cd54f/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab48078691743837960e369bd318845908490844fac300de97818a03fa84d8a1 [2023-11-12 00:52:59,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:52:59,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:52:59,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:52:59,514 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:52:59,514 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:52:59,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1c8584-b64b-4867-95be-ca220e2cd54f/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i [2023-11-12 00:53:02,608 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:53:03,233 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:53:03,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1c8584-b64b-4867-95be-ca220e2cd54f/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i [2023-11-12 00:53:03,277 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1c8584-b64b-4867-95be-ca220e2cd54f/bin/utaipan-verify-NcY6lQBIFX/data/920d36427/eabe6006abd94a8ca74b8b5d75f2ad2c/FLAG0591517de [2023-11-12 00:53:03,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1c8584-b64b-4867-95be-ca220e2cd54f/bin/utaipan-verify-NcY6lQBIFX/data/920d36427/eabe6006abd94a8ca74b8b5d75f2ad2c [2023-11-12 00:53:03,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:53:03,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:53:03,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:03,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:53:03,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:53:03,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:03" (1/1) ... [2023-11-12 00:53:03,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@780724d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:03, skipping insertion in model container [2023-11-12 00:53:03,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:03" (1/1) ... [2023-11-12 00:53:03,523 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:53:03,960 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_5f1c8584-b64b-4867-95be-ca220e2cd54f/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i[4498,4511] [2023-11-12 00:53:03,970 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_5f1c8584-b64b-4867-95be-ca220e2cd54f/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i[4558,4571] [2023-11-12 00:53:05,329 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:05,331 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:05,334 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:05,338 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:05,341 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:05,374 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:05,381 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:05,386 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:05,387 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:06,095 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:53:06,098 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:53:06,100 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:53:06,104 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:53:06,110 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:53:06,111 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:53:06,114 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:53:06,115 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:53:06,118 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:53:06,121 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:53:06,481 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:06,481 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:06,932 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:06,933 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:06,967 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:06,968 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:06,984 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:06,985 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,007 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,008 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,009 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,009 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,010 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,011 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,012 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:07,132 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:53:07,159 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_5f1c8584-b64b-4867-95be-ca220e2cd54f/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i[4498,4511] [2023-11-12 00:53:07,159 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_5f1c8584-b64b-4867-95be-ca220e2cd54f/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i[4558,4571] [2023-11-12 00:53:07,212 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,212 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,213 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,214 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,214 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,224 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,228 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,230 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,230 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,266 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:53:07,267 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:53:07,267 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:53:07,269 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:53:07,270 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:53:07,270 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:53:07,271 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:53:07,272 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:53:07,274 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:53:07,275 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:53:07,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8288] [2023-11-12 00:53:07,384 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,387 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8774-8785] [2023-11-12 00:53:07,551 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,552 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,559 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,560 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,564 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,564 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,575 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,576 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,576 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,577 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,577 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,578 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,578 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:53:07,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:07,852 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,852 WARN L672 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,852 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,852 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,852 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,853 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,853 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,853 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,853 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,853 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,853 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,854 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,854 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,854 WARN L672 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,854 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,854 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,854 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,855 WARN L672 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,855 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,855 WARN L672 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:07,863 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:53:07,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:07 WrapperNode [2023-11-12 00:53:07,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:07,865 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:07,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:53:07,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:53:07,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:07" (1/1) ... [2023-11-12 00:53:08,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:07" (1/1) ... [2023-11-12 00:53:08,146 INFO L138 Inliner]: procedures = 774, calls = 3579, calls flagged for inlining = 77, calls inlined = 6, statements flattened = 793 [2023-11-12 00:53:08,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:08,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:53:08,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:53:08,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:53:08,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:07" (1/1) ... [2023-11-12 00:53:08,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:07" (1/1) ... [2023-11-12 00:53:08,175 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:07" (1/1) ... [2023-11-12 00:53:08,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:07" (1/1) ... [2023-11-12 00:53:08,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:07" (1/1) ... [2023-11-12 00:53:08,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:07" (1/1) ... [2023-11-12 00:53:08,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:07" (1/1) ... [2023-11-12 00:53:08,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:07" (1/1) ... [2023-11-12 00:53:08,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:53:08,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:53:08,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:53:08,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:53:08,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:07" (1/1) ... [2023-11-12 00:53:08,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:08,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1c8584-b64b-4867-95be-ca220e2cd54f/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:53:08,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1c8584-b64b-4867-95be-ca220e2cd54f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:53:08,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1c8584-b64b-4867-95be-ca220e2cd54f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:53:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-12 00:53:08,434 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-12 00:53:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:53:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:53:08,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:53:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:53:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:53:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:53:08,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:53:08,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:53:08,436 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-12 00:53:08,436 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-12 00:53:08,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:53:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:53:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2023-11-12 00:53:08,437 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2023-11-12 00:53:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:53:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2023-11-12 00:53:08,437 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2023-11-12 00:53:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:53:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:53:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:53:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:53:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:53:08,839 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:53:08,841 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:53:11,305 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !true; [2023-11-12 00:53:11,316 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:53:13,425 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:53:13,426 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-12 00:53:13,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:13 BoogieIcfgContainer [2023-11-12 00:53:13,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:53:13,432 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:53:13,433 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:53:13,436 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:53:13,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:53:03" (1/3) ... [2023-11-12 00:53:13,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@609571ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:13, skipping insertion in model container [2023-11-12 00:53:13,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:07" (2/3) ... [2023-11-12 00:53:13,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@609571ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:13, skipping insertion in model container [2023-11-12 00:53:13,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:13" (3/3) ... [2023-11-12 00:53:13,442 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_byte_cursor_ptr_harness.i [2023-11-12 00:53:13,465 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:53:13,465 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:53:13,534 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:53:13,545 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;@2546b2e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:53:13,545 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:53:13,552 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) [2023-11-12 00:53:13,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-12 00:53:13,565 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:13,566 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] [2023-11-12 00:53:13,567 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:13,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:13,575 INFO L85 PathProgramCache]: Analyzing trace with hash 892650540, now seen corresponding path program 1 times [2023-11-12 00:53:13,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:53:13,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563535900] [2023-11-12 00:53:13,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:13,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:53:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:22,407 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-12 00:53:22,408 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:53:22,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563535900] [2023-11-12 00:53:22,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563535900] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:22,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:22,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-12 00:53:22,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7220064] [2023-11-12 00:53:22,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:22,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-12 00:53:22,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:53:22,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-12 00:53:22,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2023-11-12 00:53:22,471 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) [2023-11-12 00:53:26,666 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 [] [2023-11-12 00:53:28,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:30,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:32,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:34,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:36,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:38,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:40,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:42,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:44,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:46,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:48,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:50,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:52,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:54,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:56,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:58,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []