./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e51721-7914-44e8-bbb6-3a19cf6038ad/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e51721-7914-44e8-bbb6-3a19cf6038ad/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e51721-7914-44e8-bbb6-3a19cf6038ad/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e51721-7914-44e8-bbb6-3a19cf6038ad/bin/utaipan-verify-mE87zJ7Ire/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_35e51721-7914-44e8-bbb6-3a19cf6038ad/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e51721-7914-44e8-bbb6-3a19cf6038ad/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:12:21,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:21,812 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e51721-7914-44e8-bbb6-3a19cf6038ad/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:12:21,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:21,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:21,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:21,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:21,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:21,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:21,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:21,873 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:21,873 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:21,874 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:21,875 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:12:21,876 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:21,876 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:21,877 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:12:21,877 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:12:21,878 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:21,878 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:12:21,878 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:12:21,880 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:12:21,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:21,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:21,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:12:21,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:21,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:21,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:21,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:21,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:21,886 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:21,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:21,887 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:21,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:21,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:21,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:21,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:21,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:21,889 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:12:21,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:12:21,889 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:21,890 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:21,890 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:21,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:21,891 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_35e51721-7914-44e8-bbb6-3a19cf6038ad/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e51721-7914-44e8-bbb6-3a19cf6038ad/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2023-11-23 21:12:22,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:22,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:22,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:22,254 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:22,255 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:22,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e51721-7914-44e8-bbb6-3a19cf6038ad/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2023-11-23 21:12:25,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:26,059 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:26,060 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e51721-7914-44e8-bbb6-3a19cf6038ad/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2023-11-23 21:12:26,106 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e51721-7914-44e8-bbb6-3a19cf6038ad/bin/utaipan-verify-mE87zJ7Ire/data/fdabf00bf/cae7f5a7e6934a56b4e4321b77f05681/FLAG0c4992002 [2023-11-23 21:12:26,126 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e51721-7914-44e8-bbb6-3a19cf6038ad/bin/utaipan-verify-mE87zJ7Ire/data/fdabf00bf/cae7f5a7e6934a56b4e4321b77f05681 [2023-11-23 21:12:26,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:26,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:26,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:26,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:26,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:26,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:26" (1/1) ... [2023-11-23 21:12:26,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f845c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:26, skipping insertion in model container [2023-11-23 21:12:26,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:26" (1/1) ... [2023-11-23 21:12:26,339 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:26,630 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_35e51721-7914-44e8-bbb6-3a19cf6038ad/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2023-11-23 21:12:26,642 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_35e51721-7914-44e8-bbb6-3a19cf6038ad/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2023-11-23 21:12:27,869 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:27,879 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:27,880 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:27,881 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:27,882 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:27,909 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:27,910 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:27,916 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:27,918 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:27,925 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:27,928 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:27,931 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:27,932 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:28,426 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 21:12:28,428 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 21:12:28,429 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 21:12:28,431 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 21:12:28,433 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 21:12:28,434 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 21:12:28,434 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 21:12:28,435 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 21:12:28,436 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 21:12:28,437 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 21:12:29,103 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,105 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,142 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,143 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,151 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,152 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,184 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,185 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,186 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,186 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,187 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,188 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,188 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:29,290 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:29,306 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_35e51721-7914-44e8-bbb6-3a19cf6038ad/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2023-11-23 21:12:29,307 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_35e51721-7914-44e8-bbb6-3a19cf6038ad/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2023-11-23 21:12:29,366 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,367 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,367 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,370 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,372 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,386 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,387 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,388 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,388 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,390 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,391 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,392 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,392 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,428 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 21:12:29,521 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 21:12:29,522 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 21:12:29,523 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 21:12:29,523 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 21:12:29,524 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 21:12:29,524 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 21:12:29,525 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 21:12:29,525 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 21:12:29,525 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 21:12:29,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2023-11-23 21:12:29,748 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,749 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,768 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,769 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,773 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,774 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,786 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,787 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,787 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,789 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,790 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,790 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,791 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:12:29,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:30,231 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,232 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,232 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,232 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,232 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,232 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,233 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,233 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,233 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,233 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,233 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,233 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,234 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,234 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,234 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,234 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,234 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,235 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,235 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:30,243 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:30,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:30 WrapperNode [2023-11-23 21:12:30,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:30,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:30,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:30,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:30,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:30" (1/1) ... [2023-11-23 21:12:30,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:30" (1/1) ... [2023-11-23 21:12:30,518 INFO L138 Inliner]: procedures = 772, calls = 2484, calls flagged for inlining = 67, calls inlined = 5, statements flattened = 533 [2023-11-23 21:12:30,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:30,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:30,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:30,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:30,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:30" (1/1) ... [2023-11-23 21:12:30,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:30" (1/1) ... [2023-11-23 21:12:30,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:30" (1/1) ... [2023-11-23 21:12:30,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:30" (1/1) ... [2023-11-23 21:12:30,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:30" (1/1) ... [2023-11-23 21:12:30,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:30" (1/1) ... [2023-11-23 21:12:30,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:30" (1/1) ... [2023-11-23 21:12:30,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:30" (1/1) ... [2023-11-23 21:12:30,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:30,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:30,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:30,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:30,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:30" (1/1) ... [2023-11-23 21:12:30,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:30,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e51721-7914-44e8-bbb6-3a19cf6038ad/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:30,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e51721-7914-44e8-bbb6-3a19cf6038ad/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:30,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e51721-7914-44e8-bbb6-3a19cf6038ad/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2023-11-23 21:12:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2023-11-23 21:12:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2023-11-23 21:12:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2023-11-23 21:12:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 21:12:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 21:12:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:12:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 21:12:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 21:12:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:12:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:12:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 21:12:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 21:12:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2023-11-23 21:12:30,838 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2023-11-23 21:12:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:12:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2023-11-23 21:12:30,838 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2023-11-23 21:12:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 21:12:30,839 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 21:12:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:12:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:12:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:12:30,839 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:12:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:12:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 21:12:30,840 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 21:12:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:12:31,277 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:31,280 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:32,928 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2023-11-23 21:12:32,939 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:34,755 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:34,755 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-23 21:12:34,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:34 BoogieIcfgContainer [2023-11-23 21:12:34,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:34,759 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:34,759 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:34,763 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:34,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:26" (1/3) ... [2023-11-23 21:12:34,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cbc0ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:34, skipping insertion in model container [2023-11-23 21:12:34,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:30" (2/3) ... [2023-11-23 21:12:34,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cbc0ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:34, skipping insertion in model container [2023-11-23 21:12:34,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:34" (3/3) ... [2023-11-23 21:12:34,766 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_string_harness.i [2023-11-23 21:12:34,787 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:34,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:12:34,839 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:12:34,846 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;@c533185, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:12:34,847 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:12:34,852 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) [2023-11-23 21:12:34,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 21:12:34,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:34,864 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] [2023-11-23 21:12:34,865 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:34,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:34,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1460962141, now seen corresponding path program 1 times [2023-11-23 21:12:34,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:34,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584598518] [2023-11-23 21:12:34,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:34,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:54,058 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 21:12:54,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:12:54,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584598518] [2023-11-23 21:12:54,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584598518] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:12:54,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505974141] [2023-11-23 21:12:54,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:54,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:12:54,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e51721-7914-44e8-bbb6-3a19cf6038ad/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:54,063 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e51721-7914-44e8-bbb6-3a19cf6038ad/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:12:54,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e51721-7914-44e8-bbb6-3a19cf6038ad/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:12:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:54,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 2116 conjuncts, 129 conjunts are in the unsatisfiable core [2023-11-23 21:12:54,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:55,038 INFO L378 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 62 treesize of output 49 [2023-11-23 21:12:55,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 21:12:55,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 31 treesize of output 19 [2023-11-23 21:12:55,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 21:12:55,096 INFO L349 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2023-11-23 21:12:55,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 31 treesize of output 19 [2023-11-23 21:12:55,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9