./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.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_7a780e11-0705-4229-bc73-93288db83d38/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a780e11-0705-4229-bc73-93288db83d38/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_7a780e11-0705-4229-bc73-93288db83d38/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a780e11-0705-4229-bc73-93288db83d38/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a780e11-0705-4229-bc73-93288db83d38/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_7a780e11-0705-4229-bc73-93288db83d38/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 4aa4ea29feb858d0ec0c88bcc85f9e71afb408d45796415f5e65f623910fb063 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:20:38,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:39,015 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a780e11-0705-4229-bc73-93288db83d38/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:20:39,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:39,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:39,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:39,087 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:39,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:39,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:39,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:39,098 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:39,099 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:39,100 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:39,102 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:20:39,103 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:39,104 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:39,104 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:20:39,105 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:20:39,106 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:39,107 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:20:39,107 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:20:39,108 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:20:39,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:39,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:39,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:20:39,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:39,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:39,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:39,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:39,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:39,117 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:39,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:39,118 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:39,119 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:39,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:39,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:39,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:39,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:39,121 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:20:39,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:20:39,122 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:39,123 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:39,124 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:39,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:39,125 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_7a780e11-0705-4229-bc73-93288db83d38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a780e11-0705-4229-bc73-93288db83d38/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aa4ea29feb858d0ec0c88bcc85f9e71afb408d45796415f5e65f623910fb063 [2023-11-23 21:20:39,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:39,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:39,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:39,642 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:39,643 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:39,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a780e11-0705-4229-bc73-93288db83d38/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i [2023-11-23 21:20:43,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:20:44,166 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:20:44,171 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a780e11-0705-4229-bc73-93288db83d38/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i [2023-11-23 21:20:44,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a780e11-0705-4229-bc73-93288db83d38/bin/utaipan-verify-mE87zJ7Ire/data/2a2ff84c7/45f272a3c88d43edaf38d66a3dce6099/FLAG56a1db473 [2023-11-23 21:20:44,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a780e11-0705-4229-bc73-93288db83d38/bin/utaipan-verify-mE87zJ7Ire/data/2a2ff84c7/45f272a3c88d43edaf38d66a3dce6099 [2023-11-23 21:20:44,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:20:44,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:20:44,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:44,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:20:44,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:20:44,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:44" (1/1) ... [2023-11-23 21:20:44,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a865e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:44, skipping insertion in model container [2023-11-23 21:20:44,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:44" (1/1) ... [2023-11-23 21:20:44,546 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:20:44,902 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_7a780e11-0705-4229-bc73-93288db83d38/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i[4492,4505] [2023-11-23 21:20:44,913 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_7a780e11-0705-4229-bc73-93288db83d38/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i[4552,4565] [2023-11-23 21:20:46,495 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:46,497 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:46,497 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:46,499 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:46,501 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:46,542 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:46,543 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:46,546 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:46,547 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:46,550 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:46,551 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:46,553 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:46,553 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:47,282 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 21:20:47,284 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 21:20:47,285 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 21:20:47,287 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 21:20:47,289 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 21:20:47,291 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 21:20:47,292 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 21:20:47,293 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 21:20:47,295 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 21:20:47,296 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 21:20:48,058 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,059 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,114 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,119 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,133 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,135 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,173 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,175 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,176 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,177 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,178 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,179 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,180 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:48,326 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:20:48,398 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_7a780e11-0705-4229-bc73-93288db83d38/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i[4492,4505] [2023-11-23 21:20:48,408 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_7a780e11-0705-4229-bc73-93288db83d38/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i[4552,4565] [2023-11-23 21:20:48,465 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,466 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,468 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,468 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,469 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,481 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,481 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,482 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,483 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,484 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,485 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,486 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,486 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,526 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 21:20:48,527 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 21:20:48,528 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 21:20:48,529 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 21:20:48,530 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 21:20:48,532 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 21:20:48,533 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 21:20:48,533 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 21:20:48,534 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 21:20:48,535 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 21:20:48,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2023-11-23 21:20:48,755 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,756 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,765 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,766 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,769 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,770 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,784 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,785 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,785 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,786 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,787 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,787 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,788 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:48,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:49,155 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:49,155 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:49,156 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:49,156 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:49,156 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:49,156 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:49,156 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:49,156 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:49,156 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:49,157 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:49,157 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:49,157 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:49,157 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:49,157 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:49,157 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:49,158 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:49,158 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:49,158 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:49,166 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:20:49,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:49 WrapperNode [2023-11-23 21:20:49,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:49,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:49,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:20:49,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:20:49,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:49" (1/1) ... [2023-11-23 21:20:49,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:49" (1/1) ... [2023-11-23 21:20:49,447 INFO L138 Inliner]: procedures = 772, calls = 2455, calls flagged for inlining = 67, calls inlined = 11, statements flattened = 644 [2023-11-23 21:20:49,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:49,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:20:49,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:20:49,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:20:49,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:49" (1/1) ... [2023-11-23 21:20:49,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:49" (1/1) ... [2023-11-23 21:20:49,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:49" (1/1) ... [2023-11-23 21:20:49,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:49" (1/1) ... [2023-11-23 21:20:49,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:49" (1/1) ... [2023-11-23 21:20:49,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:49" (1/1) ... [2023-11-23 21:20:49,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:49" (1/1) ... [2023-11-23 21:20:49,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:49" (1/1) ... [2023-11-23 21:20:49,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:20:49,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:20:49,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:20:49,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:20:49,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:49" (1/1) ... [2023-11-23 21:20:49,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:49,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a780e11-0705-4229-bc73-93288db83d38/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:49,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a780e11-0705-4229-bc73-93288db83d38/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:20:49,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a780e11-0705-4229-bc73-93288db83d38/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:20:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 21:20:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:20:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_done [2023-11-23 21:20:49,697 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_done [2023-11-23 21:20:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 21:20:49,697 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 21:20:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 21:20:49,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 21:20:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2023-11-23 21:20:49,698 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2023-11-23 21:20:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:20:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:20:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:20:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:20:49,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:20:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 21:20:49,701 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 21:20:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-23 21:20:49,702 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-23 21:20:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:20:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-23 21:20:49,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-23 21:20:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:20:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 21:20:49,703 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 21:20:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:20:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2023-11-23 21:20:49,703 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2023-11-23 21:20:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:20:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2023-11-23 21:20:49,705 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2023-11-23 21:20:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:20:49,705 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:20:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2023-11-23 21:20:49,705 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2023-11-23 21:20:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2023-11-23 21:20:49,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2023-11-23 21:20:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:20:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-23 21:20:49,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-23 21:20:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-23 21:20:49,707 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-23 21:20:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:20:50,140 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:20:50,143 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:20:51,185 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:20:51,581 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:20:51,582 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:20:51,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:51 BoogieIcfgContainer [2023-11-23 21:20:51,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:20:51,589 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:20:51,589 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:20:51,593 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:20:51,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:20:44" (1/3) ... [2023-11-23 21:20:51,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a916f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:51, skipping insertion in model container [2023-11-23 21:20:51,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:49" (2/3) ... [2023-11-23 21:20:51,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a916f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:51, skipping insertion in model container [2023-11-23 21:20:51,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:51" (3/3) ... [2023-11-23 21:20:51,610 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_done_harness_negated.i [2023-11-23 21:20:51,641 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:20:51,641 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:20:51,728 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:20:51,743 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;@70cc572b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:20:51,744 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:20:51,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 64 states have (on average 1.15625) internal successors, (74), 65 states have internal predecessors, (74), 40 states have call successors, (40), 15 states have call predecessors, (40), 15 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-23 21:20:51,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:20:51,783 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:51,785 INFO L195 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 21:20:51,786 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:51,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:51,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1617338362, now seen corresponding path program 1 times [2023-11-23 21:20:51,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:51,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916433982] [2023-11-23 21:20:51,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:51,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:52,297 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:20:52,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2124104438] [2023-11-23 21:20:52,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:52,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:20:52,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a780e11-0705-4229-bc73-93288db83d38/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:52,336 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a780e11-0705-4229-bc73-93288db83d38/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:20:52,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a780e11-0705-4229-bc73-93288db83d38/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:20:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:53,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 2411 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:20:53,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:20:53,366 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 65 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-23 21:20:53,367 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:20:53,598 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-23 21:20:53,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:20:53,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916433982] [2023-11-23 21:20:53,599 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:20:53,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124104438] [2023-11-23 21:20:53,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124104438] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:20:53,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [522916138] [2023-11-23 21:20:53,632 INFO L159 IcfgInterpreter]: Started Sifa with 70 locations of interest [2023-11-23 21:20:53,632 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:20:53,638 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:20:53,644 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:20:53,645 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs