./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 81878f133cf1520a898ab1dccc3c4ea8564ccc1e7b92efe6b8b73fb69d10ec78 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:57:05,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:57:05,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:57:05,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:57:05,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:57:05,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:57:05,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:57:05,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:57:05,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:57:05,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:57:05,914 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:57:05,915 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:57:05,916 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:57:05,918 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:57:05,918 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:57:05,919 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:57:05,919 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:57:05,920 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:57:05,920 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:57:05,922 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:57:05,923 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:57:05,923 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:57:05,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:57:05,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:57:05,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:57:05,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:57:05,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:57:05,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:57:05,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:57:05,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:57:05,929 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:57:05,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:57:05,930 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:57:05,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:57:05,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:57:05,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:57:05,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:57:05,932 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:57:05,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:57:05,932 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:57:05,932 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:57:05,933 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:57:05,933 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_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81878f133cf1520a898ab1dccc3c4ea8564ccc1e7b92efe6b8b73fb69d10ec78 [2023-11-12 00:57:06,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:57:06,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:57:06,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:57:06,336 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:57:06,337 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:57:06,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i [2023-11-12 00:57:09,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:57:10,365 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:57:10,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i [2023-11-12 00:57:10,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/data/1cf1d398f/1523781579de4dd393f43491a2e6dc57/FLAG5be7497cc [2023-11-12 00:57:10,444 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/data/1cf1d398f/1523781579de4dd393f43491a2e6dc57 [2023-11-12 00:57:10,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:57:10,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:57:10,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:57:10,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:57:10,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:57:10,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:57:10" (1/1) ... [2023-11-12 00:57:10,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d2d2f02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:10, skipping insertion in model container [2023-11-12 00:57:10,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:57:10" (1/1) ... [2023-11-12 00:57:10,642 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:57:11,034 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_69f41fe4-8af3-4006-bbcf-e304b2d7940f/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4501,4514] [2023-11-12 00:57:11,046 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_69f41fe4-8af3-4006-bbcf-e304b2d7940f/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4561,4574] [2023-11-12 00:57:12,502 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:12,503 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:12,504 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:12,505 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:12,506 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:12,522 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:12,522 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:12,525 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:12,526 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:13,169 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:57:13,174 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:57:13,175 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:57:13,177 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:57:13,182 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:57:13,188 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:57:13,189 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:57:13,192 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:57:13,193 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:57:13,195 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:57:13,595 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:13,605 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,043 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,044 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,082 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,083 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,098 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,099 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,117 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,118 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,119 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,120 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,121 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,123 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,123 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:57:14,217 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:57:14,231 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_69f41fe4-8af3-4006-bbcf-e304b2d7940f/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4501,4514] [2023-11-12 00:57:14,232 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_69f41fe4-8af3-4006-bbcf-e304b2d7940f/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4561,4574] [2023-11-12 00:57:14,268 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,271 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,272 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,272 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,274 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,283 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,284 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,285 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,285 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,319 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:57:14,320 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:57:14,322 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:57:14,323 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:57:14,324 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:57:14,325 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:57:14,326 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:57:14,326 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:57:14,327 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:57:14,327 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:57:14,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8223] [2023-11-12 00:57:14,419 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,425 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,571 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,572 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,589 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,591 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,597 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,598 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,608 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,608 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,609 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,609 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,610 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,610 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,610 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:57:14,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:57:15,046 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,046 WARN L672 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,046 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,046 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,047 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,047 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,047 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,047 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,047 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,047 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,048 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,048 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,048 WARN L672 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,048 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,048 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,048 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,049 WARN L672 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,049 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,049 WARN L672 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:57:15,057 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:57:15,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:15 WrapperNode [2023-11-12 00:57:15,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:57:15,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:57:15,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:57:15,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:57:15,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:15" (1/1) ... [2023-11-12 00:57:15,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:15" (1/1) ... [2023-11-12 00:57:15,270 INFO L138 Inliner]: procedures = 766, calls = 3259, calls flagged for inlining = 77, calls inlined = 7, statements flattened = 398 [2023-11-12 00:57:15,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:57:15,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:57:15,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:57:15,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:57:15,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:15" (1/1) ... [2023-11-12 00:57:15,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:15" (1/1) ... [2023-11-12 00:57:15,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:15" (1/1) ... [2023-11-12 00:57:15,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:15" (1/1) ... [2023-11-12 00:57:15,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:15" (1/1) ... [2023-11-12 00:57:15,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:15" (1/1) ... [2023-11-12 00:57:15,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:15" (1/1) ... [2023-11-12 00:57:15,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:15" (1/1) ... [2023-11-12 00:57:15,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:57:15,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:57:15,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:57:15,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:57:15,367 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:15" (1/1) ... [2023-11-12 00:57:15,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:57:15,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:57:15,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:57:15,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:57:15,449 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2023-11-12 00:57:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2023-11-12 00:57:15,449 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2023-11-12 00:57:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2023-11-12 00:57:15,450 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 00:57:15,450 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-12 00:57:15,450 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-12 00:57:15,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:57:15,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:57:15,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:57:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:57:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:57:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:57:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:57:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:57:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-12 00:57:15,452 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-12 00:57:15,452 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:57:15,452 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:57:15,452 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2023-11-12 00:57:15,452 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2023-11-12 00:57:15,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:57:15,453 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-12 00:57:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-12 00:57:15,453 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-12 00:57:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-12 00:57:15,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:57:15,453 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2023-11-12 00:57:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2023-11-12 00:57:15,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:57:15,715 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:57:15,717 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:57:16,284 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !true; [2023-11-12 00:57:16,320 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:57:16,458 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:57:16,458 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:57:16,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:57:16 BoogieIcfgContainer [2023-11-12 00:57:16,462 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:57:16,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:57:16,465 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:57:16,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:57:16,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:57:10" (1/3) ... [2023-11-12 00:57:16,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19919376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:57:16, skipping insertion in model container [2023-11-12 00:57:16,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:57:15" (2/3) ... [2023-11-12 00:57:16,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19919376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:57:16, skipping insertion in model container [2023-11-12 00:57:16,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:57:16" (3/3) ... [2023-11-12 00:57:16,473 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness_negated.i [2023-11-12 00:57:16,493 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:57:16,494 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:57:16,563 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:57:16,575 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;@70f687b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:57:16,575 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:57:16,580 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 52 states have internal predecessors, (63), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-12 00:57:16,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-12 00:57:16,594 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:57:16,595 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2023-11-12 00:57:16,596 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:57:16,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:57:16,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1477606333, now seen corresponding path program 1 times [2023-11-12 00:57:16,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:57:16,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407156531] [2023-11-12 00:57:16,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:16,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:57:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:17,310 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-12 00:57:17,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:57:17,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407156531] [2023-11-12 00:57:17,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407156531] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:57:17,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:57:17,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:57:17,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651347991] [2023-11-12 00:57:17,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:57:17,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:57:17,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:57:17,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:57:17,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:57:17,381 INFO L87 Difference]: Start difference. First operand has 91 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 52 states have internal predecessors, (63), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-12 00:57:17,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:57:17,470 INFO L93 Difference]: Finished difference Result 117 states and 153 transitions. [2023-11-12 00:57:17,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:57:17,473 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 64 [2023-11-12 00:57:17,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:57:17,483 INFO L225 Difference]: With dead ends: 117 [2023-11-12 00:57:17,483 INFO L226 Difference]: Without dead ends: 87 [2023-11-12 00:57:17,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:57:17,490 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:57:17,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:57:17,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-12 00:57:17,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-12 00:57:17,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 48 states have (on average 1.1666666666666667) internal successors, (56), 49 states have internal predecessors, (56), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 00:57:17,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 111 transitions. [2023-11-12 00:57:17,542 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 111 transitions. Word has length 64 [2023-11-12 00:57:17,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:57:17,544 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 111 transitions. [2023-11-12 00:57:17,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-12 00:57:17,545 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 111 transitions. [2023-11-12 00:57:17,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-12 00:57:17,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:57:17,549 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2023-11-12 00:57:17,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:57:17,550 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:57:17,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:57:17,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1161069532, now seen corresponding path program 1 times [2023-11-12 00:57:17,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:57:17,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803631384] [2023-11-12 00:57:17,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:17,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:57:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:18,525 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-12 00:57:18,525 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:57:18,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803631384] [2023-11-12 00:57:18,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803631384] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:57:18,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:57:18,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-12 00:57:18,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095121861] [2023-11-12 00:57:18,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:57:18,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 00:57:18,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:57:18,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 00:57:18,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-12 00:57:18,530 INFO L87 Difference]: Start difference. First operand 87 states and 111 transitions. Second operand has 10 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 5 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) [2023-11-12 00:57:18,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:57:18,837 INFO L93 Difference]: Finished difference Result 136 states and 171 transitions. [2023-11-12 00:57:18,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 00:57:18,838 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 5 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) Word has length 66 [2023-11-12 00:57:18,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:57:18,840 INFO L225 Difference]: With dead ends: 136 [2023-11-12 00:57:18,841 INFO L226 Difference]: Without dead ends: 87 [2023-11-12 00:57:18,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-12 00:57:18,843 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 51 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:57:18,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 742 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:57:18,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-12 00:57:18,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-12 00:57:18,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 49 states have internal predecessors, (55), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 00:57:18,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 110 transitions. [2023-11-12 00:57:18,860 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 110 transitions. Word has length 66 [2023-11-12 00:57:18,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:57:18,861 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 110 transitions. [2023-11-12 00:57:18,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 5 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) [2023-11-12 00:57:18,862 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 110 transitions. [2023-11-12 00:57:18,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-12 00:57:18,864 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:57:18,864 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 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] [2023-11-12 00:57:18,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:57:18,865 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:57:18,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:57:18,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1100492989, now seen corresponding path program 1 times [2023-11-12 00:57:18,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:57:18,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478680577] [2023-11-12 00:57:18,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:18,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:57:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:20,032 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-12 00:57:20,033 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:57:20,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478680577] [2023-11-12 00:57:20,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478680577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:57:20,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:57:20,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-12 00:57:20,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480232261] [2023-11-12 00:57:20,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:57:20,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-12 00:57:20,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:57:20,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-12 00:57:20,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-11-12 00:57:20,036 INFO L87 Difference]: Start difference. First operand 87 states and 110 transitions. Second operand has 13 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 6 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) [2023-11-12 00:57:20,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:57:20,552 INFO L93 Difference]: Finished difference Result 159 states and 207 transitions. [2023-11-12 00:57:20,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-12 00:57:20,553 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 6 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) Word has length 70 [2023-11-12 00:57:20,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:57:20,556 INFO L225 Difference]: With dead ends: 159 [2023-11-12 00:57:20,556 INFO L226 Difference]: Without dead ends: 117 [2023-11-12 00:57:20,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2023-11-12 00:57:20,559 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 89 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:57:20,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 832 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:57:20,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-12 00:57:20,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 100. [2023-11-12 00:57:20,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 55 states have (on average 1.1272727272727272) internal successors, (62), 56 states have internal predecessors, (62), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-12 00:57:20,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 129 transitions. [2023-11-12 00:57:20,587 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 129 transitions. Word has length 70 [2023-11-12 00:57:20,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:57:20,588 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 129 transitions. [2023-11-12 00:57:20,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 6 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) [2023-11-12 00:57:20,588 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 129 transitions. [2023-11-12 00:57:20,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-12 00:57:20,591 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:57:20,591 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 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] [2023-11-12 00:57:20,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:57:20,591 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:57:20,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:57:20,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1859317566, now seen corresponding path program 1 times [2023-11-12 00:57:20,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:57:20,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058603337] [2023-11-12 00:57:20,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:20,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:57:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:21,203 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-12 00:57:21,203 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:57:21,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058603337] [2023-11-12 00:57:21,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058603337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:57:21,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:57:21,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:57:21,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960547461] [2023-11-12 00:57:21,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:57:21,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:57:21,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:57:21,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:57:21,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:57:21,207 INFO L87 Difference]: Start difference. First operand 100 states and 129 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-12 00:57:21,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:57:21,329 INFO L93 Difference]: Finished difference Result 108 states and 137 transitions. [2023-11-12 00:57:21,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:57:21,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 74 [2023-11-12 00:57:21,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:57:21,332 INFO L225 Difference]: With dead ends: 108 [2023-11-12 00:57:21,332 INFO L226 Difference]: Without dead ends: 106 [2023-11-12 00:57:21,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:57:21,338 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 5 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:57:21,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 378 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:57:21,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-12 00:57:21,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2023-11-12 00:57:21,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 58 states have (on average 1.1206896551724137) internal successors, (65), 60 states have internal predecessors, (65), 35 states have call successors, (35), 11 states have call predecessors, (35), 11 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-12 00:57:21,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 134 transitions. [2023-11-12 00:57:21,376 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 134 transitions. Word has length 74 [2023-11-12 00:57:21,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:57:21,377 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 134 transitions. [2023-11-12 00:57:21,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-12 00:57:21,378 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 134 transitions. [2023-11-12 00:57:21,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-12 00:57:21,385 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:57:21,386 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:57:21,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 00:57:21,386 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:57:21,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:57:21,387 INFO L85 PathProgramCache]: Analyzing trace with hash -46762859, now seen corresponding path program 1 times [2023-11-12 00:57:21,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:57:21,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440904397] [2023-11-12 00:57:21,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:21,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:57:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:23,168 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-12 00:57:23,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:57:23,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440904397] [2023-11-12 00:57:23,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440904397] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:57:23,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035466633] [2023-11-12 00:57:23,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:23,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:57:23,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:57:23,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:57:23,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:57:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:23,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 153 conjunts are in the unsatisfiable core [2023-11-12 00:57:23,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:57:24,235 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 71 [2023-11-12 00:57:24,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:57:24,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:57:24,258 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 124 [2023-11-12 00:57:24,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:57:24,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:57:24,334 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 18 [2023-11-12 00:57:24,511 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-12 00:57:24,511 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:57:24,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035466633] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:57:24,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:57:24,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 18 [2023-11-12 00:57:24,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942531720] [2023-11-12 00:57:24,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:57:24,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-12 00:57:24,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:57:24,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-12 00:57:24,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-11-12 00:57:24,518 INFO L87 Difference]: Start difference. First operand 105 states and 134 transitions. Second operand has 12 states, 7 states have (on average 5.0) internal successors, (35), 9 states have internal predecessors, (35), 6 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2023-11-12 00:57:25,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:57:25,039 INFO L93 Difference]: Finished difference Result 130 states and 160 transitions. [2023-11-12 00:57:25,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 00:57:25,041 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 7 states have (on average 5.0) internal successors, (35), 9 states have internal predecessors, (35), 6 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) Word has length 78 [2023-11-12 00:57:25,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:57:25,044 INFO L225 Difference]: With dead ends: 130 [2023-11-12 00:57:25,044 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 00:57:25,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2023-11-12 00:57:25,049 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 15 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:57:25,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 110 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:57:25,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 00:57:25,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 00:57:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:57:25,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 00:57:25,051 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2023-11-12 00:57:25,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:57:25,051 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 00:57:25,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 7 states have (on average 5.0) internal successors, (35), 9 states have internal predecessors, (35), 6 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2023-11-12 00:57:25,051 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 00:57:25,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:57:25,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:57:25,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:57:25,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:57:25,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 00:57:25,377 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6801 6805) no Hoare annotation was computed. [2023-11-12 00:57:25,378 INFO L899 garLoopResultBuilder]: For program point L6811-1(lines 6811 6812) no Hoare annotation was computed. [2023-11-12 00:57:25,378 INFO L895 garLoopResultBuilder]: At program point L6811(line 6811) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (<= 0 (+ (* 18446744073709551616 (div (+ (- 18410715276689353099) (* (- 1) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|)) 18446744073709551616)) 18446744073708317066 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|)) (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (<= (+ (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) 1) .cse0) (<= (+ (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) 1) .cse0))) [2023-11-12 00:57:25,379 INFO L899 garLoopResultBuilder]: For program point L6811-5(lines 6811 6812) no Hoare annotation was computed. [2023-11-12 00:57:25,379 INFO L899 garLoopResultBuilder]: For program point L6808-1(line 6808) no Hoare annotation was computed. [2023-11-12 00:57:25,379 INFO L895 garLoopResultBuilder]: At program point L6808(line 6808) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (<= (+ (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) 1) .cse0) (<= (+ (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) 1) .cse0))) [2023-11-12 00:57:25,379 INFO L899 garLoopResultBuilder]: For program point L6811-3(line 6811) no Hoare annotation was computed. [2023-11-12 00:57:25,380 INFO L895 garLoopResultBuilder]: At program point L6811-2(line 6811) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (<= 0 (+ (* 18446744073709551616 (div (+ (- 18410715276689353099) (* (- 1) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|)) 18446744073709551616)) 18446744073708317066 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|)) (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (<= (+ (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) 1) .cse0) (<= (+ (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) 1) .cse0))) [2023-11-12 00:57:25,380 INFO L895 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) [2023-11-12 00:57:25,380 INFO L899 garLoopResultBuilder]: For program point L6803-1(line 6803) no Hoare annotation was computed. [2023-11-12 00:57:25,380 INFO L895 garLoopResultBuilder]: At program point L6803(line 6803) the Hoare annotation is: (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) [2023-11-12 00:57:25,381 INFO L899 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2023-11-12 00:57:25,381 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6801 6805) the Hoare annotation is: true [2023-11-12 00:57:25,381 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6883 6888) the Hoare annotation is: true [2023-11-12 00:57:25,381 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6883 6888) no Hoare annotation was computed. [2023-11-12 00:57:25,382 INFO L899 garLoopResultBuilder]: For program point L6884-1(lines 6884 6886) no Hoare annotation was computed. [2023-11-12 00:57:25,382 INFO L895 garLoopResultBuilder]: At program point L6884(lines 6884 6886) the Hoare annotation is: (= |bounded_malloc_#in~size| bounded_malloc_~size) [2023-11-12 00:57:25,382 INFO L899 garLoopResultBuilder]: For program point L7658(lines 7655 7674) no Hoare annotation was computed. [2023-11-12 00:57:25,382 INFO L899 garLoopResultBuilder]: For program point aws_array_eqEXIT(lines 7654 7674) no Hoare annotation was computed. [2023-11-12 00:57:25,386 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7654 7674) the Hoare annotation is: true [2023-11-12 00:57:25,386 INFO L902 garLoopResultBuilder]: At program point L7656-1(line 7656) the Hoare annotation is: true [2023-11-12 00:57:25,386 INFO L902 garLoopResultBuilder]: At program point L7656(line 7656) the Hoare annotation is: true [2023-11-12 00:57:25,386 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-11-12 00:57:25,387 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-11-12 00:57:25,387 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-12 00:57:25,387 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-12 00:57:25,388 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6251 6261) the Hoare annotation is: true [2023-11-12 00:57:25,388 INFO L899 garLoopResultBuilder]: For program point aws_c_string_is_validEXIT(lines 6251 6261) no Hoare annotation was computed. [2023-11-12 00:57:25,388 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6890 6892) the Hoare annotation is: true [2023-11-12 00:57:25,389 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6890 6892) no Hoare annotation was computed. [2023-11-12 00:57:25,390 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6241 6246) the Hoare annotation is: true [2023-11-12 00:57:25,390 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6241 6246) no Hoare annotation was computed. [2023-11-12 00:57:25,390 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2023-11-12 00:57:25,390 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2023-11-12 00:57:25,390 INFO L899 garLoopResultBuilder]: For program point L7100(lines 7100 7113) no Hoare annotation was computed. [2023-11-12 00:57:25,391 INFO L895 garLoopResultBuilder]: At program point L10771-1(line 10771) the Hoare annotation is: false [2023-11-12 00:57:25,391 INFO L895 garLoopResultBuilder]: At program point L10771(line 10771) the Hoare annotation is: false [2023-11-12 00:57:25,391 INFO L899 garLoopResultBuilder]: For program point L11283(lines 11283 11293) no Hoare annotation was computed. [2023-11-12 00:57:25,391 INFO L899 garLoopResultBuilder]: For program point L11031(lines 11031 11039) no Hoare annotation was computed. [2023-11-12 00:57:25,391 INFO L899 garLoopResultBuilder]: For program point L10771-2(line 10771) no Hoare annotation was computed. [2023-11-12 00:57:25,392 INFO L895 garLoopResultBuilder]: At program point L11040(line 11040) the Hoare annotation is: false [2023-11-12 00:57:25,392 INFO L899 garLoopResultBuilder]: For program point L7101-1(lines 7100 7113) no Hoare annotation was computed. [2023-11-12 00:57:25,392 INFO L899 garLoopResultBuilder]: For program point L11040-1(line 11040) no Hoare annotation was computed. [2023-11-12 00:57:25,392 INFO L895 garLoopResultBuilder]: At program point L7101(line 7101) the Hoare annotation is: false [2023-11-12 00:57:25,392 INFO L902 garLoopResultBuilder]: At program point L11284(line 11284) the Hoare annotation is: true [2023-11-12 00:57:25,393 INFO L895 garLoopResultBuilder]: At program point L10772(line 10772) the Hoare annotation is: false [2023-11-12 00:57:25,393 INFO L899 garLoopResultBuilder]: For program point L10776-4(line 10776) no Hoare annotation was computed. [2023-11-12 00:57:25,393 INFO L895 garLoopResultBuilder]: At program point L10776-3(line 10776) the Hoare annotation is: false [2023-11-12 00:57:25,393 INFO L899 garLoopResultBuilder]: For program point L10772-2(line 10772) no Hoare annotation was computed. [2023-11-12 00:57:25,393 INFO L895 garLoopResultBuilder]: At program point L10776-6(line 10776) the Hoare annotation is: false [2023-11-12 00:57:25,394 INFO L899 garLoopResultBuilder]: For program point L11284-1(line 11284) no Hoare annotation was computed. [2023-11-12 00:57:25,394 INFO L895 garLoopResultBuilder]: At program point L10772-1(line 10772) the Hoare annotation is: false [2023-11-12 00:57:25,394 INFO L899 garLoopResultBuilder]: For program point L10776-2(line 10776) no Hoare annotation was computed. [2023-11-12 00:57:25,394 INFO L899 garLoopResultBuilder]: For program point L10776-1(line 10776) no Hoare annotation was computed. [2023-11-12 00:57:25,394 INFO L895 garLoopResultBuilder]: At program point L11024-4(line 11024) the Hoare annotation is: false [2023-11-12 00:57:25,394 INFO L899 garLoopResultBuilder]: For program point L11024-3(line 11024) no Hoare annotation was computed. [2023-11-12 00:57:25,395 INFO L899 garLoopResultBuilder]: For program point L11024-5(line 11024) no Hoare annotation was computed. [2023-11-12 00:57:25,395 INFO L899 garLoopResultBuilder]: For program point L11024(line 11024) no Hoare annotation was computed. [2023-11-12 00:57:25,395 INFO L899 garLoopResultBuilder]: For program point L10776-7(line 10776) no Hoare annotation was computed. [2023-11-12 00:57:25,395 INFO L895 garLoopResultBuilder]: At program point L11024-2(line 11024) the Hoare annotation is: false [2023-11-12 00:57:25,395 INFO L895 garLoopResultBuilder]: At program point L10776-9(line 10776) the Hoare annotation is: false [2023-11-12 00:57:25,396 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 00:57:25,396 INFO L899 garLoopResultBuilder]: For program point L11285-1(line 11285) no Hoare annotation was computed. [2023-11-12 00:57:25,396 INFO L895 garLoopResultBuilder]: At program point L11285(line 11285) the Hoare annotation is: false [2023-11-12 00:57:25,396 INFO L895 garLoopResultBuilder]: At program point L11285-3(line 11285) the Hoare annotation is: false [2023-11-12 00:57:25,396 INFO L899 garLoopResultBuilder]: For program point L11289(lines 11289 11292) no Hoare annotation was computed. [2023-11-12 00:57:25,397 INFO L899 garLoopResultBuilder]: For program point L11025-5(line 11025) no Hoare annotation was computed. [2023-11-12 00:57:25,397 INFO L895 garLoopResultBuilder]: At program point L11025-4(line 11025) the Hoare annotation is: false [2023-11-12 00:57:25,401 INFO L899 garLoopResultBuilder]: For program point L11285-5(line 11285) no Hoare annotation was computed. [2023-11-12 00:57:25,401 INFO L899 garLoopResultBuilder]: For program point L11285-4(line 11285) no Hoare annotation was computed. [2023-11-12 00:57:25,401 INFO L899 garLoopResultBuilder]: For program point L11025(line 11025) no Hoare annotation was computed. [2023-11-12 00:57:25,401 INFO L899 garLoopResultBuilder]: For program point L10769(lines 10769 10777) no Hoare annotation was computed. [2023-11-12 00:57:25,402 INFO L899 garLoopResultBuilder]: For program point L11025-3(line 11025) no Hoare annotation was computed. [2023-11-12 00:57:25,402 INFO L895 garLoopResultBuilder]: At program point L11025-2(line 11025) the Hoare annotation is: false [2023-11-12 00:57:25,402 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 00:57:25,402 INFO L899 garLoopResultBuilder]: For program point L7111-1(line 7111) no Hoare annotation was computed. [2023-11-12 00:57:25,402 INFO L895 garLoopResultBuilder]: At program point L7111(line 7111) the Hoare annotation is: false [2023-11-12 00:57:25,403 INFO L899 garLoopResultBuilder]: For program point L7107-1(line 7107) no Hoare annotation was computed. [2023-11-12 00:57:25,403 INFO L899 garLoopResultBuilder]: For program point aws_string_eq_returnLabel#1(lines 11022 11041) no Hoare annotation was computed. [2023-11-12 00:57:25,403 INFO L895 garLoopResultBuilder]: At program point L7107(line 7107) the Hoare annotation is: false [2023-11-12 00:57:25,403 INFO L895 garLoopResultBuilder]: At program point L11290(line 11290) the Hoare annotation is: false [2023-11-12 00:57:25,403 INFO L899 garLoopResultBuilder]: For program point L11026(lines 11026 11030) no Hoare annotation was computed. [2023-11-12 00:57:25,404 INFO L899 garLoopResultBuilder]: For program point L11290-1(line 11290) no Hoare annotation was computed. [2023-11-12 00:57:25,404 INFO L899 garLoopResultBuilder]: For program point L7108-1(lines 7108 7110) no Hoare annotation was computed. [2023-11-12 00:57:25,405 INFO L895 garLoopResultBuilder]: At program point L7108(lines 7108 7110) the Hoare annotation is: false [2023-11-12 00:57:25,406 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-12 00:57:25,406 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-12 00:57:25,406 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-12 00:57:25,406 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-12 00:57:25,406 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-12 00:57:25,407 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-12 00:57:25,409 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-12 00:57:25,412 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:57:25,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:57:25 BoogieIcfgContainer [2023-11-12 00:57:25,424 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:57:25,425 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:57:25,426 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:57:25,426 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:57:25,427 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:57:16" (3/4) ... [2023-11-12 00:57:25,429 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:57:25,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2023-11-12 00:57:25,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-12 00:57:25,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_eq [2023-11-12 00:57:25,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2023-11-12 00:57:25,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-12 00:57:25,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-12 00:57:25,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-12 00:57:25,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_c_string_is_valid [2023-11-12 00:57:25,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2023-11-12 00:57:25,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2023-11-12 00:57:25,454 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2023-11-12 00:57:25,456 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-12 00:57:25,457 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 00:57:25,458 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:57:25,796 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:57:25,796 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 00:57:25,797 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:57:25,797 INFO L158 Benchmark]: Toolchain (without parser) took 15344.12ms. Allocated memory was 151.0MB in the beginning and 333.4MB in the end (delta: 182.5MB). Free memory was 95.9MB in the beginning and 213.0MB in the end (delta: -117.1MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2023-11-12 00:57:25,798 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:57:25,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4601.17ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 95.9MB in the beginning and 111.2MB in the end (delta: -15.3MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. [2023-11-12 00:57:25,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 211.56ms. Allocated memory is still 190.8MB. Free memory was 111.2MB in the beginning and 98.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:57:25,799 INFO L158 Benchmark]: Boogie Preprocessor took 94.16ms. Allocated memory is still 190.8MB. Free memory was 98.6MB in the beginning and 94.4MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:57:25,800 INFO L158 Benchmark]: RCFGBuilder took 1095.80ms. Allocated memory is still 190.8MB. Free memory was 93.4MB in the beginning and 85.9MB in the end (delta: 7.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-12 00:57:25,800 INFO L158 Benchmark]: TraceAbstraction took 8959.45ms. Allocated memory was 190.8MB in the beginning and 333.4MB in the end (delta: 142.6MB). Free memory was 84.9MB in the beginning and 234.0MB in the end (delta: -149.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:57:25,801 INFO L158 Benchmark]: Witness Printer took 371.40ms. Allocated memory is still 333.4MB. Free memory was 234.0MB in the beginning and 213.0MB in the end (delta: 21.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:57:25,804 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4601.17ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 95.9MB in the beginning and 111.2MB in the end (delta: -15.3MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 211.56ms. Allocated memory is still 190.8MB. Free memory was 111.2MB in the beginning and 98.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.16ms. Allocated memory is still 190.8MB. Free memory was 98.6MB in the beginning and 94.4MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1095.80ms. Allocated memory is still 190.8MB. Free memory was 93.4MB in the beginning and 85.9MB in the end (delta: 7.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 8959.45ms. Allocated memory was 190.8MB in the beginning and 333.4MB in the end (delta: 142.6MB). Free memory was 84.9MB in the beginning and 234.0MB in the end (delta: -149.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 371.40ms. Allocated memory is still 333.4MB. Free memory was 234.0MB in the beginning and 213.0MB in the end (delta: 21.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8223]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8223] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.9s, OverallIterations: 5, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 186 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 160 mSDsluCounter, 2168 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1771 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 607 IncrementalHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 397 mSDtfsCounter, 607 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=4, InterpolantAutomatonStates: 43, 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, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 110 PreInvPairs, 110 NumberOfFragments, 149 HoareAnnotationTreeSize, 110 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 38 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 430 NumberOfCodeBlocks, 430 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 424 ConstructedInterpolants, 0 QuantifiedInterpolants, 892 SizeOfPredicates, 8 NumberOfNonLiveVariables, 918 ConjunctsInSsa, 153 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 234/242 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 10776]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-12 00:57:25,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f41fe4-8af3-4006-bbcf-e304b2d7940f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE