./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh --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 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:17:24,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:17:24,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 15:17:24,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:17:24,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:17:24,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:17:24,723 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:17:24,724 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:17:24,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:17:24,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:17:24,726 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:17:24,726 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:17:24,727 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:17:24,727 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:17:24,727 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:17:24,728 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:17:24,728 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:17:24,729 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:17:24,729 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:17:24,730 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:17:24,730 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:17:24,736 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:17:24,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:17:24,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:17:24,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:17:24,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:17:24,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:17:24,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:17:24,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:17:24,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:17:24,740 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:17:24,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:17:24,741 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:17:24,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:17:24,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:17:24,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:17:24,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:17:24,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:17:24,742 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:17:24,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:17:24,742 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:17:24,743 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:17:24,743 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:17:24,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:17:24,743 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_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 [2023-12-02 15:17:25,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:17:25,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:17:25,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:17:25,030 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:17:25,030 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:17:25,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2023-12-02 15:17:27,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:17:28,423 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:17:28,423 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2023-12-02 15:17:28,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/data/79b920908/8870da2ea1fa4aa1919788380d62deb7/FLAG087397be0 [2023-12-02 15:17:28,484 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/data/79b920908/8870da2ea1fa4aa1919788380d62deb7 [2023-12-02 15:17:28,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:17:28,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:17:28,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:17:28,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:17:28,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:17:28,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:17:28" (1/1) ... [2023-12-02 15:17:28,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@491f4230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:17:28, skipping insertion in model container [2023-12-02 15:17:28,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:17:28" (1/1) ... [2023-12-02 15:17:28,650 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:17:28,946 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_68361e94-60aa-477b-bd97-f04963911864/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2023-12-02 15:17:28,957 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_68361e94-60aa-477b-bd97-f04963911864/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2023-12-02 15:17:30,124 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:30,125 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:30,126 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:30,127 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:30,128 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:30,145 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:30,146 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:30,148 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:30,149 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:30,152 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:30,153 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:30,154 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:30,154 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:30,649 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 15:17:30,651 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 15:17:30,652 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 15:17:30,654 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 15:17:30,656 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 15:17:30,657 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 15:17:30,658 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 15:17:30,659 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 15:17:30,660 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 15:17:30,661 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 15:17:31,243 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,244 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,272 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,273 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,279 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,280 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,298 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,300 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,301 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,301 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,302 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,302 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,303 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:17:31,393 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:17:31,410 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_68361e94-60aa-477b-bd97-f04963911864/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2023-12-02 15:17:31,411 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_68361e94-60aa-477b-bd97-f04963911864/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2023-12-02 15:17:31,455 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,456 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,456 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,457 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,458 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,465 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,466 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,467 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,468 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,469 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,470 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,470 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,471 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,514 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 15:17:31,515 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 15:17:31,516 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 15:17:31,517 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 15:17:31,518 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 15:17:31,519 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 15:17:31,520 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 15:17:31,520 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 15:17:31,521 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 15:17:31,522 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 15:17:31,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2023-12-02 15:17:31,701 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,701 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,710 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,711 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,714 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,715 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,725 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,726 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,726 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,727 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,727 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,727 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,728 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:17:31,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:17:32,056 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:17:32,057 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:17:32,057 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:17:32,057 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:17:32,057 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:17:32,057 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:17:32,057 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:17:32,057 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:17:32,058 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:17:32,058 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:17:32,058 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:17:32,058 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:17:32,058 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:17:32,058 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:17:32,058 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:17:32,058 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:17:32,059 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:17:32,059 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:17:32,068 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:17:32,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:17:32 WrapperNode [2023-12-02 15:17:32,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:17:32,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:17:32,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:17:32,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:17:32,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:17:32" (1/1) ... [2023-12-02 15:17:32,171 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:17:32" (1/1) ... [2023-12-02 15:17:32,236 INFO L138 Inliner]: procedures = 772, calls = 2434, calls flagged for inlining = 68, calls inlined = 11, statements flattened = 607 [2023-12-02 15:17:32,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:17:32,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:17:32,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:17:32,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:17:32,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:17:32" (1/1) ... [2023-12-02 15:17:32,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:17:32" (1/1) ... [2023-12-02 15:17:32,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:17:32" (1/1) ... [2023-12-02 15:17:32,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:17:32" (1/1) ... [2023-12-02 15:17:32,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:17:32" (1/1) ... [2023-12-02 15:17:32,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:17:32" (1/1) ... [2023-12-02 15:17:32,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:17:32" (1/1) ... [2023-12-02 15:17:32,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:17:32" (1/1) ... [2023-12-02 15:17:32,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:17:32,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:17:32,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:17:32,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:17:32,325 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:17:32" (1/1) ... [2023-12-02 15:17:32,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:17:32,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:17:32,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:17:32,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:17:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 15:17:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:17:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-12-02 15:17:32,401 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-12-02 15:17:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 15:17:32,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 15:17:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2023-12-02 15:17:32,402 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2023-12-02 15:17:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 15:17:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:17:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 15:17:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:17:32,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:17:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-12-02 15:17:32,402 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-12-02 15:17:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-12-02 15:17:32,403 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-12-02 15:17:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:17:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-12-02 15:17:32,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-12-02 15:17:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 15:17:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-12-02 15:17:32,403 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-12-02 15:17:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:17:32,404 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2023-12-02 15:17:32,404 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2023-12-02 15:17:32,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:17:32,404 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_get_entry_count [2023-12-02 15:17:32,404 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_get_entry_count [2023-12-02 15:17:32,404 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2023-12-02 15:17:32,404 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2023-12-02 15:17:32,404 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:17:32,405 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:17:32,405 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2023-12-02 15:17:32,405 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2023-12-02 15:17:32,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 15:17:32,405 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-12-02 15:17:32,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-12-02 15:17:32,405 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-12-02 15:17:32,405 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-12-02 15:17:32,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:17:32,704 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:17:32,707 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:17:33,539 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:17:33,708 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:17:33,708 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 15:17:33,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:17:33 BoogieIcfgContainer [2023-12-02 15:17:33,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:17:33,713 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:17:33,713 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:17:33,716 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:17:33,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:17:28" (1/3) ... [2023-12-02 15:17:33,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b1e43b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:17:33, skipping insertion in model container [2023-12-02 15:17:33,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:17:32" (2/3) ... [2023-12-02 15:17:33,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b1e43b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:17:33, skipping insertion in model container [2023-12-02 15:17:33,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:17:33" (3/3) ... [2023-12-02 15:17:33,719 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_get_entry_count_harness.i [2023-12-02 15:17:33,739 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:17:33,739 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:17:33,783 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:17:33,789 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;@7e51ab0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:17:33,789 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:17:33,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 49 states have (on average 1.163265306122449) internal successors, (57), 50 states have internal predecessors, (57), 26 states have call successors, (26), 14 states have call predecessors, (26), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 15:17:33,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 15:17:33,805 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:17:33,805 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2023-12-02 15:17:33,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:17:33,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:17:33,811 INFO L85 PathProgramCache]: Analyzing trace with hash 193362951, now seen corresponding path program 1 times [2023-12-02 15:17:33,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:17:33,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226054320] [2023-12-02 15:17:33,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:17:33,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:17:34,168 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:17:34,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [329652944] [2023-12-02 15:17:34,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:17:34,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:17:34,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:17:34,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:17:34,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:17:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:17:34,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 2288 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 15:17:34,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:17:35,002 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 15:17:35,003 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:17:35,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:17:35,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226054320] [2023-12-02 15:17:35,003 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 15:17:35,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329652944] [2023-12-02 15:17:35,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329652944] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:17:35,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:17:35,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:17:35,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714803224] [2023-12-02 15:17:35,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:17:35,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:17:35,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:17:35,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:17:35,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:17:35,043 INFO L87 Difference]: Start difference. First operand has 91 states, 49 states have (on average 1.163265306122449) internal successors, (57), 50 states have internal predecessors, (57), 26 states have call successors, (26), 14 states have call predecessors, (26), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 15:17:35,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:17:35,414 INFO L93 Difference]: Finished difference Result 176 states and 214 transitions. [2023-12-02 15:17:35,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:17:35,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 80 [2023-12-02 15:17:35,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:17:35,425 INFO L225 Difference]: With dead ends: 176 [2023-12-02 15:17:35,425 INFO L226 Difference]: Without dead ends: 93 [2023-12-02 15:17:35,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:17:35,432 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 1 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:17:35,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 348 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 15:17:35,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-12-02 15:17:35,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-12-02 15:17:35,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 51 states have (on average 1.1372549019607843) internal successors, (58), 52 states have internal predecessors, (58), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2023-12-02 15:17:35,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 110 transitions. [2023-12-02 15:17:35,478 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 110 transitions. Word has length 80 [2023-12-02 15:17:35,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:17:35,480 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 110 transitions. [2023-12-02 15:17:35,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 15:17:35,481 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2023-12-02 15:17:35,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 15:17:35,486 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:17:35,486 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 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] [2023-12-02 15:17:35,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:17:35,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:17:35,687 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:17:35,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:17:35,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1186771909, now seen corresponding path program 1 times [2023-12-02 15:17:35,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:17:35,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565827548] [2023-12-02 15:17:35,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:17:35,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:17:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:17:37,638 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 15:17:37,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:17:37,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565827548] [2023-12-02 15:17:37,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565827548] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:17:37,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:17:37,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-02 15:17:37,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409530135] [2023-12-02 15:17:37,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:17:37,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 15:17:37,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:17:37,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 15:17:37,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:17:37,643 INFO L87 Difference]: Start difference. First operand 93 states and 110 transitions. Second operand has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2023-12-02 15:17:38,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:17:38,016 INFO L93 Difference]: Finished difference Result 168 states and 196 transitions. [2023-12-02 15:17:38,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 15:17:38,017 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 88 [2023-12-02 15:17:38,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:17:38,022 INFO L225 Difference]: With dead ends: 168 [2023-12-02 15:17:38,022 INFO L226 Difference]: Without dead ends: 95 [2023-12-02 15:17:38,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:17:38,025 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 2 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:17:38,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 380 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 15:17:38,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-12-02 15:17:38,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2023-12-02 15:17:38,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 54 states have internal predecessors, (59), 26 states have call successors, (26), 14 states have call predecessors, (26), 16 states have return successors, (27), 26 states have call predecessors, (27), 25 states have call successors, (27) [2023-12-02 15:17:38,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 112 transitions. [2023-12-02 15:17:38,049 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 112 transitions. Word has length 88 [2023-12-02 15:17:38,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:17:38,050 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 112 transitions. [2023-12-02 15:17:38,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2023-12-02 15:17:38,051 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2023-12-02 15:17:38,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 15:17:38,055 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:17:38,055 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 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] [2023-12-02 15:17:38,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 15:17:38,056 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:17:38,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:17:38,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1977143162, now seen corresponding path program 1 times [2023-12-02 15:17:38,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:17:38,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482558143] [2023-12-02 15:17:38,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:17:38,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:17:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:17:39,107 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 15:17:39,107 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:17:39,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482558143] [2023-12-02 15:17:39,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482558143] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:17:39,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:17:39,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 15:17:39,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698994040] [2023-12-02 15:17:39,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:17:39,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 15:17:39,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:17:39,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 15:17:39,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-12-02 15:17:39,110 INFO L87 Difference]: Start difference. First operand 95 states and 112 transitions. Second operand has 11 states, 8 states have (on average 4.75) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) [2023-12-02 15:17:39,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:17:39,998 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions. [2023-12-02 15:17:39,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 15:17:39,999 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 4.75) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) Word has length 94 [2023-12-02 15:17:40,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:17:40,002 INFO L225 Difference]: With dead ends: 175 [2023-12-02 15:17:40,002 INFO L226 Difference]: Without dead ends: 100 [2023-12-02 15:17:40,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2023-12-02 15:17:40,004 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 13 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:17:40,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 737 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 15:17:40,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-12-02 15:17:40,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98. [2023-12-02 15:17:40,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 56 states have internal predecessors, (61), 26 states have call successors, (26), 14 states have call predecessors, (26), 17 states have return successors, (28), 27 states have call predecessors, (28), 25 states have call successors, (28) [2023-12-02 15:17:40,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 115 transitions. [2023-12-02 15:17:40,020 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 115 transitions. Word has length 94 [2023-12-02 15:17:40,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:17:40,021 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 115 transitions. [2023-12-02 15:17:40,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 4.75) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) [2023-12-02 15:17:40,022 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 115 transitions. [2023-12-02 15:17:40,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:17:40,023 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:17:40,024 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 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] [2023-12-02 15:17:40,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 15:17:40,024 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:17:40,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:17:40,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1528907935, now seen corresponding path program 1 times [2023-12-02 15:17:40,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:17:40,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225028162] [2023-12-02 15:17:40,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:17:40,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:17:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:17:41,058 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-02 15:17:41,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:17:41,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225028162] [2023-12-02 15:17:41,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225028162] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:17:41,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6714912] [2023-12-02 15:17:41,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:17:41,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:17:41,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:17:41,061 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:17:41,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 15:17:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:17:41,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 2341 conjuncts, 57 conjunts are in the unsatisfiable core [2023-12-02 15:17:41,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:17:41,816 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 15:17:41,816 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:17:41,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6714912] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:17:41,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:17:41,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 8 [2023-12-02 15:17:41,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109276052] [2023-12-02 15:17:41,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:17:41,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:17:41,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:17:41,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:17:41,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:17:41,820 INFO L87 Difference]: Start difference. First operand 98 states and 115 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2023-12-02 15:17:42,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:17:42,234 INFO L93 Difference]: Finished difference Result 188 states and 219 transitions. [2023-12-02 15:17:42,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:17:42,235 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 98 [2023-12-02 15:17:42,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:17:42,237 INFO L225 Difference]: With dead ends: 188 [2023-12-02 15:17:42,237 INFO L226 Difference]: Without dead ends: 100 [2023-12-02 15:17:42,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:17:42,239 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 2 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:17:42,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 309 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 15:17:42,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-12-02 15:17:42,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2023-12-02 15:17:42,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 55 states have (on average 1.1272727272727272) internal successors, (62), 58 states have internal predecessors, (62), 26 states have call successors, (26), 14 states have call predecessors, (26), 18 states have return successors, (29), 27 states have call predecessors, (29), 25 states have call successors, (29) [2023-12-02 15:17:42,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 117 transitions. [2023-12-02 15:17:42,256 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 117 transitions. Word has length 98 [2023-12-02 15:17:42,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:17:42,256 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 117 transitions. [2023-12-02 15:17:42,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2023-12-02 15:17:42,257 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2023-12-02 15:17:42,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-02 15:17:42,259 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:17:42,259 INFO L195 NwaCegarLoop]: trace histogram [6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:17:42,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 15:17:42,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:17:42,469 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:17:42,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:17:42,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1937241861, now seen corresponding path program 1 times [2023-12-02 15:17:42,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:17:42,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132459129] [2023-12-02 15:17:42,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:17:42,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:17:42,580 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:17:42,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1159349267] [2023-12-02 15:17:42,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:17:42,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:17:42,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:17:42,582 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:17:42,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 15:17:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:17:43,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 2445 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 15:17:43,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:17:43,332 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 15:17:43,333 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:17:43,677 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-02 15:17:43,678 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:17:43,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132459129] [2023-12-02 15:17:43,678 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 15:17:43,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159349267] [2023-12-02 15:17:43,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159349267] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 15:17:43,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:17:43,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 14 [2023-12-02 15:17:43,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222683133] [2023-12-02 15:17:43,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:17:43,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 15:17:43,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:17:43,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 15:17:43,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-12-02 15:17:43,681 INFO L87 Difference]: Start difference. First operand 100 states and 117 transitions. Second operand has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-02 15:17:44,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:17:44,209 INFO L93 Difference]: Finished difference Result 143 states and 165 transitions. [2023-12-02 15:17:44,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:17:44,211 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 103 [2023-12-02 15:17:44,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:17:44,213 INFO L225 Difference]: With dead ends: 143 [2023-12-02 15:17:44,213 INFO L226 Difference]: Without dead ends: 98 [2023-12-02 15:17:44,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-12-02 15:17:44,215 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 1 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:17:44,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 468 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 15:17:44,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-12-02 15:17:44,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2023-12-02 15:17:44,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 51 states have (on average 1.1176470588235294) internal successors, (57), 53 states have internal predecessors, (57), 26 states have call successors, (26), 14 states have call predecessors, (26), 16 states have return successors, (27), 26 states have call predecessors, (27), 25 states have call successors, (27) [2023-12-02 15:17:44,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 110 transitions. [2023-12-02 15:17:44,230 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 110 transitions. Word has length 103 [2023-12-02 15:17:44,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:17:44,230 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 110 transitions. [2023-12-02 15:17:44,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-02 15:17:44,231 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 110 transitions. [2023-12-02 15:17:44,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-02 15:17:44,233 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:17:44,233 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-02 15:17:44,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 15:17:44,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:17:44,441 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:17:44,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:17:44,441 INFO L85 PathProgramCache]: Analyzing trace with hash 870198175, now seen corresponding path program 1 times [2023-12-02 15:17:44,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:17:44,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946540511] [2023-12-02 15:17:44,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:17:44,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:17:44,542 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:17:44,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1138643657] [2023-12-02 15:17:44,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:17:44,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:17:44,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:17:44,544 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:17:44,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 15:17:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:17:45,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 2549 conjuncts, 194 conjunts are in the unsatisfiable core [2023-12-02 15:17:45,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:17:45,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 15:17:45,468 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-12-02 15:17:45,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-12-02 15:17:48,124 INFO L349 Elim1Store]: treesize reduction 901, result has 27.0 percent of original size [2023-12-02 15:17:48,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 12 new quantified variables, introduced 63 case distinctions, treesize of input 310 treesize of output 690 [2023-12-02 15:22:59,319 INFO L349 Elim1Store]: treesize reduction 264, result has 0.4 percent of original size [2023-12-02 15:22:59,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 74 treesize of output 1 [2023-12-02 15:22:59,621 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:22:59,807 INFO L349 Elim1Store]: treesize reduction 363, result has 0.3 percent of original size [2023-12-02 15:22:59,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 17 case distinctions, treesize of input 109 treesize of output 1 [2023-12-02 15:23:00,025 INFO L224 Elim1Store]: Index analysis took 127 ms [2023-12-02 15:23:00,026 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:00,242 INFO L349 Elim1Store]: treesize reduction 363, result has 0.3 percent of original size [2023-12-02 15:23:00,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 17 case distinctions, treesize of input 109 treesize of output 1 [2023-12-02 15:23:00,633 INFO L224 Elim1Store]: Index analysis took 149 ms [2023-12-02 15:23:00,840 INFO L349 Elim1Store]: treesize reduction 357, result has 0.3 percent of original size [2023-12-02 15:23:00,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 17 case distinctions, treesize of input 113 treesize of output 1 [2023-12-02 15:23:17,369 WARN L293 SmtUtils]: Spent 16.18s on a formula simplification. DAG size of input: 799 DAG size of output: 1 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-12-02 15:23:17,370 INFO L349 Elim1Store]: treesize reduction 4351, result has 0.0 percent of original size [2023-12-02 15:23:17,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 10 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 18 new quantified variables, introduced 121 case distinctions, treesize of input 398 treesize of output 1 [2023-12-02 15:23:17,644 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:17,736 INFO L349 Elim1Store]: treesize reduction 289, result has 0.3 percent of original size [2023-12-02 15:23:17,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 152 treesize of output 1 [2023-12-02 15:23:17,863 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:17,883 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:18,092 INFO L349 Elim1Store]: treesize reduction 369, result has 0.3 percent of original size [2023-12-02 15:23:18,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 17 case distinctions, treesize of input 109 treesize of output 1 [2023-12-02 15:23:26,004 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:26,011 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:26,053 INFO L349 Elim1Store]: treesize reduction 120, result has 9.8 percent of original size [2023-12-02 15:23:26,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 47 treesize of output 49 [2023-12-02 15:23:26,287 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:26,313 INFO L224 Elim1Store]: Index analysis took 108 ms [2023-12-02 15:23:26,314 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:26,436 INFO L349 Elim1Store]: treesize reduction 196, result has 6.2 percent of original size [2023-12-02 15:23:26,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 52 treesize of output 52 [2023-12-02 15:23:26,694 INFO L224 Elim1Store]: Index analysis took 131 ms [2023-12-02 15:23:27,067 INFO L349 Elim1Store]: treesize reduction 246, result has 14.0 percent of original size [2023-12-02 15:23:27,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 74 treesize of output 95 [2023-12-02 15:23:28,207 INFO L224 Elim1Store]: Index analysis took 207 ms [2023-12-02 15:23:28,715 INFO L349 Elim1Store]: treesize reduction 250, result has 14.4 percent of original size [2023-12-02 15:23:28,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 74 treesize of output 97 [2023-12-02 15:23:29,085 INFO L224 Elim1Store]: Index analysis took 150 ms [2023-12-02 15:23:29,324 INFO L349 Elim1Store]: treesize reduction 266, result has 8.9 percent of original size [2023-12-02 15:23:29,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 143 treesize of output 146 [2023-12-02 15:23:30,233 INFO L224 Elim1Store]: Index analysis took 233 ms [2023-12-02 15:23:30,663 INFO L349 Elim1Store]: treesize reduction 359, result has 6.0 percent of original size [2023-12-02 15:23:30,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 17 case distinctions, treesize of input 160 treesize of output 160 [2023-12-02 15:23:31,371 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:31,371 INFO L224 Elim1Store]: Index analysis took 112 ms [2023-12-02 15:23:31,397 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:31,572 INFO L349 Elim1Store]: treesize reduction 200, result has 6.5 percent of original size [2023-12-02 15:23:31,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 111 treesize of output 102 [2023-12-02 15:23:32,996 INFO L224 Elim1Store]: Index analysis took 197 ms [2023-12-02 15:23:33,420 INFO L349 Elim1Store]: treesize reduction 347, result has 3.1 percent of original size [2023-12-02 15:23:33,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 17 case distinctions, treesize of input 125 treesize of output 113 [2023-12-02 15:23:34,264 INFO L224 Elim1Store]: Index analysis took 370 ms [2023-12-02 15:23:34,719 INFO L349 Elim1Store]: treesize reduction 323, result has 3.3 percent of original size [2023-12-02 15:23:34,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 17 case distinctions, treesize of input 79 treesize of output 71 [2023-12-02 15:23:35,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:23:35,317 INFO L224 Elim1Store]: Index analysis took 175 ms [2023-12-02 15:23:35,318 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:35,578 INFO L349 Elim1Store]: treesize reduction 210, result has 9.1 percent of original size [2023-12-02 15:23:35,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 79 treesize of output 81 [2023-12-02 15:23:36,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:23:36,216 INFO L349 Elim1Store]: treesize reduction 40, result has 20.0 percent of original size [2023-12-02 15:23:36,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 23 [2023-12-02 15:23:37,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:23:38,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:23:38,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:23:38,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:23:38,402 INFO L224 Elim1Store]: Index analysis took 434 ms [2023-12-02 15:23:38,404 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:38,581 INFO L349 Elim1Store]: treesize reduction 159, result has 0.6 percent of original size [2023-12-02 15:23:38,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 79 treesize of output 66 [2023-12-02 15:23:39,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:23:39,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:23:39,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:23:39,647 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:39,655 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:39,697 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:39,700 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:39,705 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:39,705 INFO L224 Elim1Store]: Index analysis took 290 ms [2023-12-02 15:23:39,711 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:39,712 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 15:23:39,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:23:39,742 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 15:23:39,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 50 [2023-12-02 15:23:41,729 INFO L224 Elim1Store]: Index analysis took 527 ms [2023-12-02 15:28:45,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2023-12-02 15:28:45,253 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-12-02 15:28:45,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:28:45,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946540511] [2023-12-02 15:28:45,255 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 15:28:45,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138643657] [2023-12-02 15:28:45,255 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2023-12-02 15:28:45,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1604524070] [2023-12-02 15:28:45,284 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2023-12-02 15:28:45,284 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:28:45,290 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:28:45,297 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:28:45,297 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:28:45,371 FATAL L? ?]: Ignoring exception! de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:177) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:132) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.checkSatTerm(SmtUtils.java:332) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.isFalse(SymbolicTools.java:223) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.RelationCheckUtil.isEqBottom_SolverAlphaSolver(RelationCheckUtil.java:56) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.ExplicitValueDomain.isEqBottom(ExplicitValueDomain.java:73) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.CompoundDomain.isEqBottom(CompoundDomain.java:84) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.StatsWrapperDomain.isEqBottom(StatsWrapperDomain.java:69) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.earlyExitAfterStep(DagInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.io.IOException: Stream closed at java.base/java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:442) at java.base/java.io.OutputStream.write(OutputStream.java:157) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:318) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:153) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:251) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:257) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:175) ... 44 more [2023-12-02 15:28:45,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:28:45,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2023-12-02 15:28:45,373 ERROR L171 FreeRefinementEngine]: Strategy SIFA_TAIPAN failed to provide any proof altough trace is infeasible [2023-12-02 15:28:45,374 INFO L360 BasicCegarLoop]: Counterexample might be feasible [2023-12-02 15:28:45,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:28:45,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 15:28:45,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-12-02 15:28:45,591 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-02 15:28:45,596 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:28:45,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:28:45 BoogieIcfgContainer [2023-12-02 15:28:45,634 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:28:45,635 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:28:45,635 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:28:45,635 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:28:45,636 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:17:33" (3/4) ... [2023-12-02 15:28:45,638 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:28:45,639 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:28:45,640 INFO L158 Benchmark]: Toolchain (without parser) took 677151.60ms. Allocated memory was 155.2MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 103.2MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2023-12-02 15:28:45,641 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:28:45,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3579.02ms. Allocated memory was 155.2MB in the beginning and 234.9MB in the end (delta: 79.7MB). Free memory was 102.8MB in the beginning and 157.9MB in the end (delta: -55.1MB). Peak memory consumption was 101.9MB. Max. memory is 16.1GB. [2023-12-02 15:28:45,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 166.72ms. Allocated memory is still 234.9MB. Free memory was 157.9MB in the beginning and 147.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 15:28:45,642 INFO L158 Benchmark]: Boogie Preprocessor took 85.85ms. Allocated memory is still 234.9MB. Free memory was 147.5MB in the beginning and 141.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 15:28:45,642 INFO L158 Benchmark]: RCFGBuilder took 1386.57ms. Allocated memory is still 234.9MB. Free memory was 141.2MB in the beginning and 107.8MB in the end (delta: 33.4MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2023-12-02 15:28:45,643 INFO L158 Benchmark]: TraceAbstraction took 671921.17ms. Allocated memory was 234.9MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 107.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2023-12-02 15:28:45,643 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 3.0GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:28:45,646 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3579.02ms. Allocated memory was 155.2MB in the beginning and 234.9MB in the end (delta: 79.7MB). Free memory was 102.8MB in the beginning and 157.9MB in the end (delta: -55.1MB). Peak memory consumption was 101.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 166.72ms. Allocated memory is still 234.9MB. Free memory was 157.9MB in the beginning and 147.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.85ms. Allocated memory is still 234.9MB. Free memory was 147.5MB in the beginning and 141.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1386.57ms. Allocated memory is still 234.9MB. Free memory was 141.2MB in the beginning and 107.8MB in the end (delta: 33.4MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * TraceAbstraction took 671921.17ms. Allocated memory was 234.9MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 107.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 3.0GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7558]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint, overapproximation of large string literal at line 7575, overapproximation of __builtin_uaddl_overflow at line 250, overapproximation of bitwiseAnd at line 2630, overapproximation of __builtin_umull_overflow at line 255, overapproximation of someBinaryDOUBLEComparisonOperation at line 10039. Possible FailurePath: [L6927-L6932] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7379] static __thread int tl_last_error = 0; [L7574-L7722] static struct aws_error_info errors[] = { [(AWS_ERROR_SUCCESS)-0x0000] = { .literal_name = "AWS_ERROR_SUCCESS", .error_code = (AWS_ERROR_SUCCESS), .error_str = ("Success."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SUCCESS" ", " "Success.", } , [(AWS_ERROR_OOM)-0x0000] = { .literal_name = "AWS_ERROR_OOM", .error_code = (AWS_ERROR_OOM), .error_str = ("Out of memory."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OOM" ", " "Out of memory.", } , [(AWS_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_UNKNOWN", .error_code = (AWS_ERROR_UNKNOWN), .error_str = ("Unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNKNOWN" ", " "Unknown error.", } , [(AWS_ERROR_SHORT_BUFFER)-0x0000] = { .literal_name = "AWS_ERROR_SHORT_BUFFER", .error_code = (AWS_ERROR_SHORT_BUFFER), .error_str = ("Buffer is not large enough to hold result."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SHORT_BUFFER" ", " "Buffer is not large enough to hold result.", } , [(AWS_ERROR_OVERFLOW_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_OVERFLOW_DETECTED", .error_code = (AWS_ERROR_OVERFLOW_DETECTED), .error_str = ("Fixed size value overflow was detected."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OVERFLOW_DETECTED" ", " "Fixed size value overflow was detected.", } , [(AWS_ERROR_UNSUPPORTED_OPERATION)-0x0000] = { .literal_name = "AWS_ERROR_UNSUPPORTED_OPERATION", .error_code = (AWS_ERROR_UNSUPPORTED_OPERATION), .error_str = ("Unsupported operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNSUPPORTED_OPERATION" ", " "Unsupported operation.", } , [(AWS_ERROR_INVALID_BUFFER_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BUFFER_SIZE", .error_code = (AWS_ERROR_INVALID_BUFFER_SIZE), .error_str = ("Invalid buffer size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BUFFER_SIZE" ", " "Invalid buffer size.", } , [(AWS_ERROR_INVALID_HEX_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_HEX_STR", .error_code = (AWS_ERROR_INVALID_HEX_STR), .error_str = ("Invalid hex string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_HEX_STR" ", " "Invalid hex string.", } , [(AWS_ERROR_INVALID_BASE64_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BASE64_STR", .error_code = (AWS_ERROR_INVALID_BASE64_STR), .error_str = ("Invalid base64 string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BASE64_STR" ", " "Invalid base64 string.", } , [(AWS_ERROR_INVALID_INDEX)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_INDEX", .error_code = (AWS_ERROR_INVALID_INDEX), .error_str = ("Invalid index for list access."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_INDEX" ", " "Invalid index for list access.", } , [(AWS_ERROR_THREAD_INVALID_SETTINGS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INVALID_SETTINGS", .error_code = (AWS_ERROR_THREAD_INVALID_SETTINGS), .error_str = ("Invalid thread settings."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INVALID_SETTINGS" ", " "Invalid thread settings.", } , [(AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE", .error_code = (AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE), .error_str = ("Insufficent resources for thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE" ", " "Insufficent resources for thread.", } , [(AWS_ERROR_THREAD_NO_PERMISSIONS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_PERMISSIONS", .error_code = (AWS_ERROR_THREAD_NO_PERMISSIONS), .error_str = ("Insufficient permissions for thread operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_PERMISSIONS" ", " "Insufficient permissions for thread operation.", } , [(AWS_ERROR_THREAD_NOT_JOINABLE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NOT_JOINABLE", .error_code = (AWS_ERROR_THREAD_NOT_JOINABLE), .error_str = ("Thread not joinable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NOT_JOINABLE" ", " "Thread not joinable.", } , [(AWS_ERROR_THREAD_NO_SUCH_THREAD_ID)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID", .error_code = (AWS_ERROR_THREAD_NO_SUCH_THREAD_ID), .error_str = ("No such thread ID."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID" ", " "No such thread ID.", } , [(AWS_ERROR_THREAD_DEADLOCK_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_DEADLOCK_DETECTED", .error_code = (AWS_ERROR_THREAD_DEADLOCK_DETECTED), .error_str = ("Deadlock detected in thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_DEADLOCK_DETECTED" ", " "Deadlock detected in thread.", } , [(AWS_ERROR_MUTEX_NOT_INIT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_NOT_INIT", .error_code = (AWS_ERROR_MUTEX_NOT_INIT), .error_str = ("Mutex not initialized."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_NOT_INIT" ", " "Mutex not initialized.", } , [(AWS_ERROR_MUTEX_TIMEOUT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_TIMEOUT", .error_code = (AWS_ERROR_MUTEX_TIMEOUT), .error_str = ("Mutex operation timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_TIMEOUT" ", " "Mutex operation timed out.", } , [(AWS_ERROR_MUTEX_CALLER_NOT_OWNER)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_CALLER_NOT_OWNER", .error_code = (AWS_ERROR_MUTEX_CALLER_NOT_OWNER), .error_str = ("The caller of a mutex operation was not the owner."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_CALLER_NOT_OWNER" ", " "The caller of a mutex operation was not the owner.", } , [(AWS_ERROR_MUTEX_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_FAILED", .error_code = (AWS_ERROR_MUTEX_FAILED), .error_str = ("Mutex operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_FAILED" ", " "Mutex operation failed.", } , [(AWS_ERROR_COND_VARIABLE_INIT_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_INIT_FAILED", .error_code = (AWS_ERROR_COND_VARIABLE_INIT_FAILED), .error_str = ("Condition variable initialization failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_INIT_FAILED" ", " "Condition variable initialization failed.", } , [(AWS_ERROR_COND_VARIABLE_TIMED_OUT)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_TIMED_OUT", .error_code = (AWS_ERROR_COND_VARIABLE_TIMED_OUT), .error_str = ("Condition variable wait timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_TIMED_OUT" ", " "Condition variable wait timed out.", } , [(AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN", .error_code = (AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN), .error_str = ("Condition variable unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN" ", " "Condition variable unknown error.", } , [(AWS_ERROR_CLOCK_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_CLOCK_FAILURE", .error_code = (AWS_ERROR_CLOCK_FAILURE), .error_str = ("Clock operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_CLOCK_FAILURE" ", " "Clock operation failed.", } , [(AWS_ERROR_LIST_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EMPTY", .error_code = (AWS_ERROR_LIST_EMPTY), .error_str = ("Empty list."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EMPTY" ", " "Empty list.", } , [(AWS_ERROR_DEST_COPY_TOO_SMALL)-0x0000] = { .literal_name = "AWS_ERROR_DEST_COPY_TOO_SMALL", .error_code = (AWS_ERROR_DEST_COPY_TOO_SMALL), .error_str = ("Destination of copy is too small."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_DEST_COPY_TOO_SMALL" ", " "Destination of copy is too small.", } , [(AWS_ERROR_LIST_EXCEEDS_MAX_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE", .error_code = (AWS_ERROR_LIST_EXCEEDS_MAX_SIZE), .error_str = ("A requested operation on a list would exceed it's max size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE" ", " "A requested operation on a list would exceed it's max size.", } , [(AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK)-0x0000] = { .literal_name = "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK", .error_code = (AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK), .error_str = ("Attempt to shrink a list in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK" ", " "Attempt to shrink a list in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_FULL)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_FULL", .error_code = (AWS_ERROR_PRIORITY_QUEUE_FULL), .error_str = ("Attempt to add items to a full preallocated queue in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_FULL" ", " "Attempt to add items to a full preallocated queue in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_EMPTY", .error_code = (AWS_ERROR_PRIORITY_QUEUE_EMPTY), .error_str = ("Attempt to pop an item from an empty queue."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_EMPTY" ", " "Attempt to pop an item from an empty queue.", } , [(AWS_ERROR_PRIORITY_QUEUE_BAD_NODE)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE", .error_code = (AWS_ERROR_PRIORITY_QUEUE_BAD_NODE), .error_str = ("Bad node handle passed to remove."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE" ", " "Bad node handle passed to remove.", } , [(AWS_ERROR_HASHTBL_ITEM_NOT_FOUND)-0x0000] = { .literal_name = "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND", .error_code = (AWS_ERROR_HASHTBL_ITEM_NOT_FOUND), .error_str = ("Item not found in hash table."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND" ", " "Item not found in hash table.", } , [(AWS_ERROR_INVALID_DATE_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_DATE_STR", .error_code = (AWS_ERROR_INVALID_DATE_STR), .error_str = ("Date string is invalid and cannot be parsed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_DATE_STR" ", " "Date string is invalid and cannot be parsed.", } , [(AWS_ERROR_INVALID_ARGUMENT)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_ARGUMENT", .error_code = (AWS_ERROR_INVALID_ARGUMENT), .error_str = ("An invalid argument was passed to a function."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_ARGUMENT" ", " "An invalid argument was passed to a function.", } , [(AWS_ERROR_RANDOM_GEN_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_RANDOM_GEN_FAILED", .error_code = (AWS_ERROR_RANDOM_GEN_FAILED), .error_str = ("A call to the random number generator failed. Retry later."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_RANDOM_GEN_FAILED" ", " "A call to the random number generator failed. Retry later.", } , [(AWS_ERROR_MALFORMED_INPUT_STRING)-0x0000] = { .literal_name = "AWS_ERROR_MALFORMED_INPUT_STRING", .error_code = (AWS_ERROR_MALFORMED_INPUT_STRING), .error_str = ("An input string was passed to a parser and the string was incorrectly formatted."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MALFORMED_INPUT_STRING" ", " "An input string was passed to a parser and the string was incorrectly formatted.", } , [(AWS_ERROR_UNIMPLEMENTED)-0x0000] = { .literal_name = "AWS_ERROR_UNIMPLEMENTED", .error_code = (AWS_ERROR_UNIMPLEMENTED), .error_str = ("A function was called, but is not implemented."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNIMPLEMENTED" ", " "A function was called, but is not implemented.", } , [(AWS_ERROR_INVALID_STATE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_STATE", .error_code = (AWS_ERROR_INVALID_STATE), .error_str = ("An invalid state was encountered."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_STATE" ", " "An invalid state was encountered.", } , [(AWS_ERROR_ENVIRONMENT_GET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_GET", .error_code = (AWS_ERROR_ENVIRONMENT_GET), .error_str = ("System call failure when getting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_GET" ", " "System call failure when getting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_SET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_SET", .error_code = (AWS_ERROR_ENVIRONMENT_SET), .error_str = ("System call failure when setting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_SET" ", " "System call failure when setting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_UNSET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_UNSET", .error_code = (AWS_ERROR_ENVIRONMENT_UNSET), .error_str = ("System call failure when unsetting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_UNSET" ", " "System call failure when unsetting an environment variable.", } , [(AWS_ERROR_SYS_CALL_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_SYS_CALL_FAILURE", .error_code = (AWS_ERROR_SYS_CALL_FAILURE), .error_str = ("System call failure"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SYS_CALL_FAILURE" ", " "System call failure", } , [(AWS_ERROR_FILE_INVALID_PATH)-0x0000] = { .literal_name = "AWS_ERROR_FILE_INVALID_PATH", .error_code = (AWS_ERROR_FILE_INVALID_PATH), .error_str = ("Invalid file path."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_FILE_INVALID_PATH" ", " "Invalid file path.", } , [(AWS_ERROR_MAX_FDS_EXCEEDED)-0x0000] = { .literal_name = "AWS_ERROR_MAX_FDS_EXCEEDED", .error_code = (AWS_ERROR_MAX_FDS_EXCEEDED), .error_str = ("The maximum number of fds has been exceeded."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MAX_FDS_EXCEEDED" ", " "The maximum number of fds has been exceeded.", } , [(AWS_ERROR_NO_PERMISSION)-0x0000] = { .literal_name = "AWS_ERROR_NO_PERMISSION", .error_code = (AWS_ERROR_NO_PERMISSION), .error_str = ("User does not have permission to perform the requested action."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_NO_PERMISSION" ", " "User does not have permission to perform the requested action.", } , [(AWS_ERROR_STREAM_UNSEEKABLE)-0x0000] = { .literal_name = "AWS_ERROR_STREAM_UNSEEKABLE", .error_code = (AWS_ERROR_STREAM_UNSEEKABLE), .error_str = ("Stream does not support seek operations"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_STREAM_UNSEEKABLE" ", " "Stream does not support seek operations", } , }; [L7725-L7728] static struct aws_error_info_list s_list = { .error_list = errors, .count = (sizeof(errors) / sizeof((errors)[0])), }; [L7730-L7739] static struct aws_log_subject_info s_common_log_subject_infos[] = { { .subject_id = (AWS_LS_COMMON_GENERAL), .subject_name = ("aws-c-common"), .subject_description = ("Subject for aws-c-common logging that doesn't belong to any particular category") } , { .subject_id = (AWS_LS_COMMON_TASK_SCHEDULER), .subject_name = ("task-scheduler"), .subject_description = ("Subject for task scheduler or task specific logging.") } , }; [L7741-L7744] static struct aws_log_subject_info_list s_common_log_subject_list = { .subject_list = s_common_log_subject_infos, .count = (sizeof(s_common_log_subject_infos) / sizeof((s_common_log_subject_infos)[0])), }; [L7746-L7750] static _Bool s_common_library_initialized = 0 ; [L10134] CALL aws_hash_table_get_entry_count_harness() [L10115] struct aws_hash_table table; [L10117-L10119] CALL ensure_allocated_hash_table(&table, (18446744073709551615UL) ) [L6810] CALL, EXPR nondet_uint64_t() [L266] return __VERIFIER_nondet_ulong(); [L6810] RET, EXPR nondet_uint64_t() [L6810] size_t num_entries = nondet_uint64_t(); [L6811] CALL assume_abort_if_not(num_entries <= max_table_entries) [L211] COND TRUE !cond [L6811] RET assume_abort_if_not(num_entries <= max_table_entries) [L6812] CALL, EXPR aws_is_power_of_two(num_entries) [L2630] EXPR x && (!(x & (x - 1))) [L2630] return x && (!(x & (x - 1))); [L6812] RET, EXPR aws_is_power_of_two(num_entries) [L6812] CALL assume_abort_if_not(aws_is_power_of_two(num_entries)) [L211] COND TRUE !cond [L6812] RET assume_abort_if_not(aws_is_power_of_two(num_entries)) [L6814] size_t required_bytes; [L6815] CALL, EXPR hash_table_state_required_bytes(num_entries, &required_bytes) [L10103] size_t elemsize; [L10104] CALL aws_mul_size_checked(size, sizeof(struct hash_table_entry), &elemsize) [L2590] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2498] CALL __CPROVER_overflow_mult(a, b) [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2498] RET __CPROVER_overflow_mult(a, b) [L2498] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2500] *r = a * b [L2501] return (0); [L2590] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2590] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L10104] RET aws_mul_size_checked(size, sizeof(struct hash_table_entry), &elemsize) [L10104] COND FALSE !(aws_mul_size_checked(size, sizeof(struct hash_table_entry), &elemsize)) [L10108] EXPR \read(elemsize) [L10108] CALL aws_add_size_checked(elemsize, sizeof(struct hash_table_state), required_bytes) [L2617] CALL, EXPR aws_add_u64_checked(a, b, (uint64_t *)r) [L2542] CALL __CPROVER_overflow_plus(a, b) [L249] unsigned long c; [L250] return __builtin_uaddl_overflow(a, b, &c); [L250] return __builtin_uaddl_overflow(a, b, &c); [L2542] RET __CPROVER_overflow_plus(a, b) [L2542] COND FALSE !(__CPROVER_overflow_plus(a, b)) [L2544] *r = a + b [L2545] return (0); [L2617] RET, EXPR aws_add_u64_checked(a, b, (uint64_t *)r) [L2617] return aws_add_u64_checked(a, b, (uint64_t *)r); [L10108] RET aws_add_size_checked(elemsize, sizeof(struct hash_table_state), required_bytes) [L10108] COND TRUE aws_add_size_checked(elemsize, sizeof(struct hash_table_state), required_bytes) [L10109] return (-1); [L10109] return (-1); [L6815] RET, EXPR hash_table_state_required_bytes(num_entries, &required_bytes) [L6815] CALL assume_abort_if_not(!hash_table_state_required_bytes(num_entries, &required_bytes)) [L211] COND TRUE !cond [L6815] RET assume_abort_if_not(!hash_table_state_required_bytes(num_entries, &required_bytes)) [L6816] EXPR \read(required_bytes) [L6816] CALL, EXPR bounded_malloc(required_bytes) [L6944-L6946] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) [L211] COND TRUE !cond [L6944-L6946] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) [L6947] return malloc(size); [L6816] RET, EXPR bounded_malloc(required_bytes) [L6816] struct hash_table_state *impl = bounded_malloc(required_bytes); [L6817] impl->size = num_entries [L6818] map->p_impl = impl [L10117-L10119] RET ensure_allocated_hash_table(&table, (18446744073709551615UL) ) [L10120] CALL, EXPR aws_hash_table_is_valid(&table) [L9990] EXPR map && map->p_impl [L9990] EXPR map && map->p_impl && hash_table_state_is_valid(map->p_impl) [L9990] EXPR map->p_impl [L9990] CALL, EXPR hash_table_state_is_valid(map->p_impl) [L10001] COND FALSE !(!map) [L10008] EXPR map->hash_fn [L10007-L10010] _Bool hash_fn_nonnull = (map->hash_fn != ((void *)0) ); [L10013] EXPR map->equals_fn [L10012-L10015] _Bool equals_fn_nonnull = (map->equals_fn != ((void *)0) ); [L10019] EXPR map->alloc [L10018-L10021] _Bool alloc_nonnull = (map->alloc != ((void *)0) ); [L10024] EXPR map->size [L10023-L10024] _Bool size_at_least_two = (map->size >= 2); [L10027] EXPR map->size [L10027] CALL, EXPR aws_is_power_of_two(map->size) [L2630] EXPR x && (!(x & (x - 1))) [L2630] return x && (!(x & (x - 1))); [L10027] RET, EXPR aws_is_power_of_two(map->size) [L10026-L10027] _Bool size_is_power_of_two = aws_is_power_of_two(map->size); [L10030] EXPR map->entry_count [L10030] EXPR map->max_load [L10029-L10030] _Bool entry_count = (map->entry_count <= map->max_load); [L10033] EXPR map->max_load [L10033] EXPR map->size [L10032-L10033] _Bool max_load = (map->max_load < map->size); [L10036] EXPR map->mask [L10036] EXPR map->size [L10035-L10036] _Bool mask_is_correct = (map->mask == (map->size - 1)); [L10039] EXPR map->max_load_factor [L10038-L10039] _Bool max_load_factor_bounded = map->max_load_factor == 0.95; [L10042] EXPR map->size [L10041-L10042] _Bool slots_allocated = ((((sizeof(map->slots[0]) * map->size)) == 0) || ((&map->slots[0]))); [L10044-L10045] return hash_fn_nonnull && equals_fn_nonnull && alloc_nonnull && size_at_least_two && size_is_power_of_two && entry_count && max_load && mask_is_correct && max_load_factor_bounded && slots_allocated; [L9990] RET, EXPR hash_table_state_is_valid(map->p_impl) [L9990] EXPR map && map->p_impl && hash_table_state_is_valid(map->p_impl) [L9990] return map && map->p_impl && hash_table_state_is_valid(map->p_impl); [L10120] RET, EXPR aws_hash_table_is_valid(&table) [L10120] CALL assume_abort_if_not(aws_hash_table_is_valid(&table)) [L211] COND TRUE !cond [L10120] RET assume_abort_if_not(aws_hash_table_is_valid(&table)) [L10121] EXPR table.p_impl [L10121] struct hash_table_state *state = table.p_impl; [L10123] struct store_byte_from_buffer stored_byte; [L10124] CALL save_byte_from_hash_table(&table, &stored_byte) [L7268] EXPR map->p_impl [L7268] struct hash_table_state *state = map->p_impl; [L7269] size_t size_in_bytes; [L7270] EXPR state->size [L7270] CALL, EXPR hash_table_state_required_bytes(state->size, &size_in_bytes) [L10103] size_t elemsize; [L10104] CALL aws_mul_size_checked(size, sizeof(struct hash_table_entry), &elemsize) [L2590] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2498] CALL __CPROVER_overflow_mult(a, b) [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2498] RET __CPROVER_overflow_mult(a, b) [L2498] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2500] *r = a * b [L2501] return (0); [L2590] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2590] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L10104] RET aws_mul_size_checked(size, sizeof(struct hash_table_entry), &elemsize) [L10104] COND FALSE !(aws_mul_size_checked(size, sizeof(struct hash_table_entry), &elemsize)) [L10108] EXPR \read(elemsize) [L10108] CALL aws_add_size_checked(elemsize, sizeof(struct hash_table_state), required_bytes) [L2617] CALL, EXPR aws_add_u64_checked(a, b, (uint64_t *)r) [L2542] CALL __CPROVER_overflow_plus(a, b) [L249] unsigned long c; [L250] return __builtin_uaddl_overflow(a, b, &c); [L250] return __builtin_uaddl_overflow(a, b, &c); [L2542] RET __CPROVER_overflow_plus(a, b) [L2542] COND FALSE !(__CPROVER_overflow_plus(a, b)) [L2544] *r = a + b [L2545] return (0); [L2617] RET, EXPR aws_add_u64_checked(a, b, (uint64_t *)r) [L2617] return aws_add_u64_checked(a, b, (uint64_t *)r); [L10108] RET aws_add_size_checked(elemsize, sizeof(struct hash_table_state), required_bytes) [L10108] COND TRUE aws_add_size_checked(elemsize, sizeof(struct hash_table_state), required_bytes) [L10109] return (-1); [L10109] return (-1); [L7270] RET, EXPR hash_table_state_required_bytes(state->size, &size_in_bytes) [L7270] CALL assume_abort_if_not(hash_table_state_required_bytes(state->size, &size_in_bytes) == (0)) [L211] COND TRUE !cond [L7270] RET assume_abort_if_not(hash_table_state_required_bytes(state->size, &size_in_bytes) == (0)) [L7271] EXPR \read(size_in_bytes) [L7271] CALL save_byte_from_array((uint8_t *)state, size_in_bytes, storage) [L7196] COND FALSE !(size > 0 && array && storage) [L7271] RET save_byte_from_array((uint8_t *)state, size_in_bytes, storage) [L10124] RET save_byte_from_hash_table(&table, &stored_byte) [L10125] EXPR state->entry_count [L10125] size_t old_entry_count = state->entry_count; [L10126] CALL, EXPR aws_hash_table_get_entry_count(&table) [L9145] EXPR map->p_impl [L9145] struct hash_table_state *state = map->p_impl; [L9146] EXPR state->entry_count [L9146] return state->entry_count; [L10126] RET, EXPR aws_hash_table_get_entry_count(&table) [L10126] size_t rval = aws_hash_table_get_entry_count(&table); [L10127] CALL __VERIFIER_assert(rval == old_entry_count) [L223] COND TRUE !cond [L223] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 671.8s, OverallIterations: 6, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 2242 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1826 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 811 IncrementalHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 416 mSDtfsCounter, 811 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 409 GetRequests, 367 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=4, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 664.1s InterpolantComputationTime, 669 NumberOfCodeBlocks, 669 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 657 ConstructedInterpolants, 0 QuantifiedInterpolants, 1145 SizeOfPredicates, 11 NumberOfNonLiveVariables, 9623 ConjunctsInSsa, 284 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 316/325 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh --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 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:28:48,043 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:28:48,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-12-02 15:28:48,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:28:48,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:28:48,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:28:48,192 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:28:48,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:28:48,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:28:48,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:28:48,195 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:28:48,196 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:28:48,197 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:28:48,197 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:28:48,198 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:28:48,199 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:28:48,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:28:48,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:28:48,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:28:48,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:28:48,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:28:48,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:28:48,205 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:28:48,205 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:28:48,206 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:28:48,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:28:48,207 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:28:48,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:28:48,208 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:28:48,208 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:28:48,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:28:48,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:28:48,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:28:48,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:28:48,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:28:48,211 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:28:48,211 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:28:48,211 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:28:48,212 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:28:48,212 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:28:48,212 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:28:48,213 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 [2023-12-02 15:28:48,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:28:48,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:28:48,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:28:48,613 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:28:48,613 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:28:48,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2023-12-02 15:28:52,164 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:28:52,782 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:28:52,783 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2023-12-02 15:28:52,838 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/data/998b854e2/282e29b7f63844e59c0a7d6ae21003a9/FLAGb9ed93c45 [2023-12-02 15:28:52,858 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68361e94-60aa-477b-bd97-f04963911864/bin/utaipan-verify-nQ1chXbOIh/data/998b854e2/282e29b7f63844e59c0a7d6ae21003a9 [2023-12-02 15:28:52,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:28:52,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:28:52,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:28:52,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:28:52,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:28:52,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:28:52" (1/1) ... [2023-12-02 15:28:52,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cac582d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:52, skipping insertion in model container [2023-12-02 15:28:52,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:28:52" (1/1) ... [2023-12-02 15:28:53,057 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:28:53,395 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_68361e94-60aa-477b-bd97-f04963911864/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2023-12-02 15:28:53,403 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_68361e94-60aa-477b-bd97-f04963911864/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2023-12-02 15:28:54,627 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:54,629 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:54,629 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:54,631 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:54,632 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:54,648 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:54,649 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:54,650 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:54,651 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:54,654 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:54,655 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:54,656 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:54,657 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:55,258 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 15:28:55,259 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 15:28:55,260 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 15:28:55,261 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 15:28:55,263 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 15:28:55,264 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 15:28:55,265 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 15:28:55,266 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 15:28:55,267 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 15:28:55,267 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 15:28:55,975 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:55,975 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,004 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,006 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,014 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,014 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,032 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,033 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,034 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,035 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,035 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,036 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,037 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:28:56,130 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 15:28:56,189 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:28:56,194 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_68361e94-60aa-477b-bd97-f04963911864/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2023-12-02 15:28:56,195 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_68361e94-60aa-477b-bd97-f04963911864/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2023-12-02 15:28:56,262 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,263 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,263 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,264 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,265 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,271 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,272 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,273 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,273 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,275 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,275 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,276 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,276 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,315 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 15:28:56,316 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 15:28:56,317 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 15:28:56,318 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 15:28:56,319 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 15:28:56,320 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 15:28:56,321 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 15:28:56,321 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 15:28:56,322 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 15:28:56,322 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 15:28:56,462 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,462 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,471 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,472 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,475 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,475 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,484 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,485 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,486 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,487 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,487 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,488 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,488 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:28:56,568 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:28:56,585 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_68361e94-60aa-477b-bd97-f04963911864/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2023-12-02 15:28:56,586 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_68361e94-60aa-477b-bd97-f04963911864/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2023-12-02 15:28:56,630 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,631 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,631 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,632 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,633 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,639 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,640 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,641 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,642 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,642 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,643 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,644 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,644 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,682 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 15:28:56,683 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 15:28:56,684 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 15:28:56,685 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 15:28:56,686 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 15:28:56,686 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 15:28:56,687 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 15:28:56,687 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 15:28:56,688 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 15:28:56,688 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 15:28:56,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2023-12-02 15:28:56,804 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,805 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,814 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,814 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,817 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,818 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:28:56,822 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4773) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.countNumberOfPrimitiveElementInType(InitializationHandler.java:1056) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.lambda$3(InitializationHandler.java:1046) at java.base/java.util.stream.ReferencePipeline$5$1.accept(ReferencePipeline.java:229) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.LongPipeline.reduce(LongPipeline.java:474) at java.base/java.util.stream.LongPipeline.sum(LongPipeline.java:432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.countNumberOfPrimitiveElementInType(InitializationHandler.java:1046) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.useConstArrayInitialization(InitializationHandler.java:1022) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:262) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3027) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1156) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:306) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:275) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:258) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:204) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 15:28:56,828 INFO L158 Benchmark]: Toolchain (without parser) took 3964.10ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 88.3MB in the beginning and 51.7MB in the end (delta: 36.6MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2023-12-02 15:28:56,829 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:28:56,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3960.80ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 88.3MB in the beginning and 51.7MB in the end (delta: 36.6MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2023-12-02 15:28:56,832 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3960.80ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 88.3MB in the beginning and 51.7MB in the end (delta: 36.6MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7558]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4773) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range