./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80be80e4-1dc1-4317-86c5-fcf5f0515aef/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80be80e4-1dc1-4317-86c5-fcf5f0515aef/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80be80e4-1dc1-4317-86c5-fcf5f0515aef/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80be80e4-1dc1-4317-86c5-fcf5f0515aef/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80be80e4-1dc1-4317-86c5-fcf5f0515aef/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80be80e4-1dc1-4317-86c5-fcf5f0515aef/bin/utaipan-verify-SwPr7d2a91 --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 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:57:03,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:57:03,193 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80be80e4-1dc1-4317-86c5-fcf5f0515aef/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:57:03,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:57:03,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:57:03,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:57:03,248 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:57:03,249 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:57:03,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:57:03,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:57:03,255 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:57:03,257 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:57:03,257 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:57:03,259 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:57:03,259 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:57:03,260 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:57:03,260 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:57:03,261 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:57:03,261 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:57:03,262 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:57:03,263 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:57:03,263 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:57:03,264 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:57:03,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:57:03,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:57:03,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:57:03,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:57:03,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:57:03,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:57:03,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:57:03,269 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:57:03,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:57:03,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:57:03,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:57:03,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:03,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:57:03,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:57:03,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:57:03,272 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:57:03,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:57:03,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:57:03,273 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:57:03,273 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:57:03,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:57:03,274 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_80be80e4-1dc1-4317-86c5-fcf5f0515aef/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80be80e4-1dc1-4317-86c5-fcf5f0515aef/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2023-11-24 23:57:03,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:57:03,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:57:03,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:57:03,622 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:57:03,623 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:57:03,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80be80e4-1dc1-4317-86c5-fcf5f0515aef/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2023-11-24 23:57:06,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:07,515 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:07,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80be80e4-1dc1-4317-86c5-fcf5f0515aef/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2023-11-24 23:57:07,570 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80be80e4-1dc1-4317-86c5-fcf5f0515aef/bin/utaipan-verify-SwPr7d2a91/data/9e46acbc8/e7697dc2a1cf4054bfd67de437ed7be1/FLAGd9c6225be [2023-11-24 23:57:07,587 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80be80e4-1dc1-4317-86c5-fcf5f0515aef/bin/utaipan-verify-SwPr7d2a91/data/9e46acbc8/e7697dc2a1cf4054bfd67de437ed7be1 [2023-11-24 23:57:07,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:07,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:07,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:07,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:07,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:07,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:07" (1/1) ... [2023-11-24 23:57:07,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dd53de1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:07, skipping insertion in model container [2023-11-24 23:57:07,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:07" (1/1) ... [2023-11-24 23:57:07,754 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:08,047 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_80be80e4-1dc1-4317-86c5-fcf5f0515aef/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2023-11-24 23:57:08,056 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_80be80e4-1dc1-4317-86c5-fcf5f0515aef/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2023-11-24 23:57:09,308 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:09,314 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:09,315 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:09,318 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:09,320 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:09,346 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:09,352 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:09,357 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:09,358 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:09,372 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:09,374 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:09,377 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:09,380 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:09,929 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:57:09,931 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:57:09,932 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:57:09,934 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:57:09,936 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:57:09,936 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:57:09,937 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:57:09,938 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:57:09,939 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:57:09,940 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:57:10,479 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,480 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,513 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,515 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,523 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,524 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,545 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,547 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,548 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,548 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,549 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,550 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,550 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:10,714 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:57:10,739 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_80be80e4-1dc1-4317-86c5-fcf5f0515aef/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2023-11-24 23:57:10,739 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_80be80e4-1dc1-4317-86c5-fcf5f0515aef/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2023-11-24 23:57:10,793 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,794 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,794 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,797 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,798 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,809 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,809 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,810 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,811 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,813 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,813 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,814 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,815 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:10,860 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:57:10,864 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:57:10,865 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:57:10,865 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:57:10,866 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:57:10,868 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:57:10,868 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:57:10,869 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:57:10,870 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:57:10,871 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:57:10,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2023-11-24 23:57:11,029 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:11,030 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:11,043 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:11,043 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:11,046 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:11,047 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:11,055 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:11,056 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:11,057 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:11,058 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:11,058 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:11,059 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:11,059 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:57:11,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:11,441 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,442 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,442 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,442 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,442 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,442 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,443 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,443 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,443 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,443 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,443 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,443 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,444 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,444 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,444 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,444 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,444 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,444 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,445 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:11,452 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:57:11,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:11 WrapperNode [2023-11-24 23:57:11,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:11,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:11,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:57:11,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:57:11,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:11" (1/1) ... [2023-11-24 23:57:11,570 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:11" (1/1) ... [2023-11-24 23:57:11,659 INFO L138 Inliner]: procedures = 772, calls = 2484, calls flagged for inlining = 67, calls inlined = 5, statements flattened = 533 [2023-11-24 23:57:11,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:11,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:57:11,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:57:11,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:57:11,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:11" (1/1) ... [2023-11-24 23:57:11,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:11" (1/1) ... [2023-11-24 23:57:11,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:11" (1/1) ... [2023-11-24 23:57:11,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:11" (1/1) ... [2023-11-24 23:57:11,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:11" (1/1) ... [2023-11-24 23:57:11,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:11" (1/1) ... [2023-11-24 23:57:11,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:11" (1/1) ... [2023-11-24 23:57:11,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:11" (1/1) ... [2023-11-24 23:57:11,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:57:11,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:57:11,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:57:11,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:57:11,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:11" (1/1) ... [2023-11-24 23:57:11,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:11,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80be80e4-1dc1-4317-86c5-fcf5f0515aef/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:11,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80be80e4-1dc1-4317-86c5-fcf5f0515aef/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:57:11,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80be80e4-1dc1-4317-86c5-fcf5f0515aef/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:57:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2023-11-24 23:57:11,963 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2023-11-24 23:57:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2023-11-24 23:57:11,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2023-11-24 23:57:11,964 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-24 23:57:11,964 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-24 23:57:11,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:57:11,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:57:11,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:57:11,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:57:11,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:57:11,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:57:11,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:57:11,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:57:11,966 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-24 23:57:11,967 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-24 23:57:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2023-11-24 23:57:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2023-11-24 23:57:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:57:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2023-11-24 23:57:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2023-11-24 23:57:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-24 23:57:11,969 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-24 23:57:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:57:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:57:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:57:11,969 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:57:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:57:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-24 23:57:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-24 23:57:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:57:12,338 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:57:12,344 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:57:14,105 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2023-11-24 23:57:14,115 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:57:15,970 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:57:15,970 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-24 23:57:15,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:15 BoogieIcfgContainer [2023-11-24 23:57:15,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:57:15,974 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:57:15,975 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:57:15,979 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:57:15,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:07" (1/3) ... [2023-11-24 23:57:15,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e20c78d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:15, skipping insertion in model container [2023-11-24 23:57:15,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:11" (2/3) ... [2023-11-24 23:57:15,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e20c78d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:15, skipping insertion in model container [2023-11-24 23:57:15,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:15" (3/3) ... [2023-11-24 23:57:15,986 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_string_harness.i [2023-11-24 23:57:16,007 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:57:16,007 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:57:16,072 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:57:16,083 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;@69a1e024, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:57:16,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:57:16,090 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:57:16,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:57:16,108 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:16,114 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:16,115 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:16,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:16,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1460962141, now seen corresponding path program 1 times [2023-11-24 23:57:16,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:16,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204681519] [2023-11-24 23:57:16,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:16,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:36,844 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:57:36,845 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:57:36,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204681519] [2023-11-24 23:57:36,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204681519] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:57:36,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31009810] [2023-11-24 23:57:36,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:36,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:57:36,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80be80e4-1dc1-4317-86c5-fcf5f0515aef/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:36,851 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80be80e4-1dc1-4317-86c5-fcf5f0515aef/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:57:36,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80be80e4-1dc1-4317-86c5-fcf5f0515aef/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:57:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:37,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 2116 conjuncts, 131 conjunts are in the unsatisfiable core [2023-11-24 23:57:37,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:37,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:41,122 INFO L349 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2023-11-24 23:57:41,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 42 [2023-11-24 23:57:46,075 INFO L349 Elim1Store]: treesize reduction 291, result has 12.3 percent of original size [2023-11-24 23:57:46,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 177 treesize of output 426