./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/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_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/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_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/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 e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:31:40,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:31:40,708 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:31:40,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:31:40,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:31:40,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:31:40,757 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:31:40,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:31:40,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:31:40,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:31:40,767 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:31:40,768 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:31:40,769 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:31:40,771 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:31:40,772 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:31:40,773 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:31:40,773 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:31:40,774 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:31:40,774 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:31:40,775 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:31:40,776 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:31:40,777 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:31:40,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:31:40,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:31:40,779 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:31:40,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:31:40,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:31:40,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:31:40,781 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:31:40,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:31:40,782 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:31:40,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:31:40,783 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:31:40,783 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:31:40,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:40,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:31:40,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:31:40,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:31:40,785 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:31:40,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:31:40,786 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:31:40,786 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:31:40,786 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:31:40,787 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:31:40,787 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_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 [2023-11-23 20:31:41,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:31:41,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:31:41,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:31:41,248 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:31:41,249 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:31:41,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2023-11-23 20:31:44,697 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:31:45,459 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:31:45,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2023-11-23 20:31:45,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/data/326c72b50/832009eb1b924c6b8c45e74937ecc7b5/FLAGfb67db802 [2023-11-23 20:31:45,546 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/data/326c72b50/832009eb1b924c6b8c45e74937ecc7b5 [2023-11-23 20:31:45,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:31:45,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:31:45,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:45,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:31:45,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:31:45,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:45" (1/1) ... [2023-11-23 20:31:45,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5545108a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:45, skipping insertion in model container [2023-11-23 20:31:45,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:45" (1/1) ... [2023-11-23 20:31:45,877 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:31:46,328 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_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2023-11-23 20:31:46,340 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_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2023-11-23 20:31:48,068 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:48,069 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:48,069 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:48,070 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:48,071 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:48,087 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:48,088 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:48,090 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:48,091 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:48,837 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:31:48,838 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:31:48,839 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:31:48,840 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:31:48,841 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:31:48,842 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:31:48,843 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:31:48,844 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:31:48,844 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:31:48,845 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:31:49,261 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,271 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,686 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,687 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,714 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,715 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,723 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,724 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,741 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,742 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,743 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,743 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,744 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,744 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,745 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:49,848 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:31:49,876 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_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2023-11-23 20:31:49,877 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_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2023-11-23 20:31:49,943 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,944 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,948 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,949 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,951 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,961 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,961 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,963 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:49,963 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:50,011 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:31:50,012 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:31:50,013 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:31:50,014 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:31:50,015 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:31:50,015 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:31:50,016 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:31:50,016 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:31:50,017 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:31:50,017 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:31:50,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8255] [2023-11-23 20:31:50,094 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:50,095 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:50,239 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:50,239 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:50,252 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:50,253 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:50,257 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:50,258 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:50,273 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:50,274 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:50,274 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:50,275 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:50,275 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:50,276 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:50,276 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:31:50,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:50,772 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,773 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,773 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,773 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,773 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,773 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,774 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,774 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,774 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,774 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,774 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,775 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,775 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,775 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,775 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,775 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,775 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,776 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,776 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:50,786 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:31:50,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:50 WrapperNode [2023-11-23 20:31:50,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:50,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:50,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:31:50,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:31:50,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:50" (1/1) ... [2023-11-23 20:31:50,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:50" (1/1) ... [2023-11-23 20:31:51,079 INFO L138 Inliner]: procedures = 766, calls = 3255, calls flagged for inlining = 78, calls inlined = 5, statements flattened = 337 [2023-11-23 20:31:51,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:51,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:31:51,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:31:51,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:31:51,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:50" (1/1) ... [2023-11-23 20:31:51,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:50" (1/1) ... [2023-11-23 20:31:51,114 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:50" (1/1) ... [2023-11-23 20:31:51,114 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:50" (1/1) ... [2023-11-23 20:31:51,160 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:50" (1/1) ... [2023-11-23 20:31:51,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:50" (1/1) ... [2023-11-23 20:31:51,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:50" (1/1) ... [2023-11-23 20:31:51,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:50" (1/1) ... [2023-11-23 20:31:51,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:31:51,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:31:51,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:31:51,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:31:51,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:50" (1/1) ... [2023-11-23 20:31:51,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:51,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:31:51,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:31:51,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:31:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 20:31:51,289 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 20:31:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:31:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:31:51,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:31:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:31:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:31:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:31:51,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:31:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 20:31:51,291 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 20:31:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:31:51,291 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:31:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:31:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 20:31:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 20:31:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_c_str_is_allocated [2023-11-23 20:31:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_c_str_is_allocated [2023-11-23 20:31:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2023-11-23 20:31:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2023-11-23 20:31:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:31:51,593 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:31:51,596 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:31:52,112 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2023-11-23 20:31:52,136 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:31:52,260 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:31:52,260 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:31:52,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:52 BoogieIcfgContainer [2023-11-23 20:31:52,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:31:52,267 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:31:52,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:31:52,271 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:31:52,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:31:45" (1/3) ... [2023-11-23 20:31:52,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b10362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:52, skipping insertion in model container [2023-11-23 20:31:52,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:50" (2/3) ... [2023-11-23 20:31:52,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b10362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:52, skipping insertion in model container [2023-11-23 20:31:52,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:52" (3/3) ... [2023-11-23 20:31:52,276 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_c_str_eq_harness.i [2023-11-23 20:31:52,300 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:31:52,300 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:31:52,375 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:31:52,389 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;@583f6509, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:31:52,390 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:31:52,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 34 states have internal predecessors, (40), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 20:31:52,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:31:52,412 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:52,414 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2023-11-23 20:31:52,415 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:31:52,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:52,426 INFO L85 PathProgramCache]: Analyzing trace with hash 295058910, now seen corresponding path program 1 times [2023-11-23 20:31:52,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:52,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471882950] [2023-11-23 20:31:52,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:52,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:53,105 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:31:53,107 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:53,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471882950] [2023-11-23 20:31:53,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471882950] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:53,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:53,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:31:53,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951093853] [2023-11-23 20:31:53,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:53,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:31:53,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:53,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:31:53,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:31:53,180 INFO L87 Difference]: Start difference. First operand has 61 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 34 states have internal predecessors, (40), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 20:31:53,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:53,270 INFO L93 Difference]: Finished difference Result 85 states and 108 transitions. [2023-11-23 20:31:53,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:31:53,276 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 50 [2023-11-23 20:31:53,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:53,290 INFO L225 Difference]: With dead ends: 85 [2023-11-23 20:31:53,290 INFO L226 Difference]: Without dead ends: 57 [2023-11-23 20:31:53,294 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 [2023-11-23 20:31:53,298 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:53,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:31:53,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-23 20:31:53,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-23 20:31:53,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 30 states have (on average 1.1) internal successors, (33), 31 states have internal predecessors, (33), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-23 20:31:53,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 70 transitions. [2023-11-23 20:31:53,357 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 70 transitions. Word has length 50 [2023-11-23 20:31:53,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:53,359 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 70 transitions. [2023-11-23 20:31:53,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 20:31:53,360 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2023-11-23 20:31:53,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:31:53,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:53,364 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2023-11-23 20:31:53,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:31:53,365 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:31:53,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:53,366 INFO L85 PathProgramCache]: Analyzing trace with hash 29185266, now seen corresponding path program 1 times [2023-11-23 20:31:53,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:53,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117803918] [2023-11-23 20:31:53,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:53,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:54,745 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:31:54,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:54,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117803918] [2023-11-23 20:31:54,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117803918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:54,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:54,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-23 20:31:54,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97155313] [2023-11-23 20:31:54,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:54,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 20:31:54,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:54,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 20:31:54,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-23 20:31:54,751 INFO L87 Difference]: Start difference. First operand 57 states and 70 transitions. Second operand has 12 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 5 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 7 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-23 20:31:55,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:55,084 INFO L93 Difference]: Finished difference Result 78 states and 92 transitions. [2023-11-23 20:31:55,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 20:31:55,085 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 5 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 7 states have call predecessors, (12), 4 states have call successors, (12) Word has length 52 [2023-11-23 20:31:55,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:55,087 INFO L225 Difference]: With dead ends: 78 [2023-11-23 20:31:55,088 INFO L226 Difference]: Without dead ends: 57 [2023-11-23 20:31:55,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2023-11-23 20:31:55,090 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 23 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:55,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 521 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:31:55,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-23 20:31:55,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-23 20:31:55,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 31 states have internal predecessors, (32), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-23 20:31:55,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2023-11-23 20:31:55,107 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 52 [2023-11-23 20:31:55,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:55,108 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2023-11-23 20:31:55,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 5 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 7 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-23 20:31:55,108 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2023-11-23 20:31:55,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:31:55,111 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:55,111 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:31:55,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 20:31:55,111 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:31:55,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:55,112 INFO L85 PathProgramCache]: Analyzing trace with hash -194414510, now seen corresponding path program 1 times [2023-11-23 20:31:55,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:55,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443687067] [2023-11-23 20:31:55,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:55,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:56,675 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-23 20:31:56,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:56,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443687067] [2023-11-23 20:31:56,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443687067] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:56,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:56,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-23 20:31:56,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623289454] [2023-11-23 20:31:56,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:56,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-23 20:31:56,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:56,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-23 20:31:56,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2023-11-23 20:31:56,680 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand has 15 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 5 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 7 states have call predecessors, (13), 4 states have call successors, (13) [2023-11-23 20:31:57,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:57,100 INFO L93 Difference]: Finished difference Result 78 states and 96 transitions. [2023-11-23 20:31:57,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 20:31:57,101 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 5 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 7 states have call predecessors, (13), 4 states have call successors, (13) Word has length 56 [2023-11-23 20:31:57,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:57,104 INFO L225 Difference]: With dead ends: 78 [2023-11-23 20:31:57,104 INFO L226 Difference]: Without dead ends: 76 [2023-11-23 20:31:57,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2023-11-23 20:31:57,106 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 32 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:57,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 654 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 20:31:57,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-23 20:31:57,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2023-11-23 20:31:57,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 41 states have internal predecessors, (41), 26 states have call successors, (26), 8 states have call predecessors, (26), 8 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 20:31:57,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 92 transitions. [2023-11-23 20:31:57,124 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 92 transitions. Word has length 56 [2023-11-23 20:31:57,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:57,125 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 92 transitions. [2023-11-23 20:31:57,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 5 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 7 states have call predecessors, (13), 4 states have call successors, (13) [2023-11-23 20:31:57,125 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 92 transitions. [2023-11-23 20:31:57,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:31:57,128 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:57,129 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2023-11-23 20:31:57,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 20:31:57,129 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:31:57,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:57,130 INFO L85 PathProgramCache]: Analyzing trace with hash 92992840, now seen corresponding path program 1 times [2023-11-23 20:31:57,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:57,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664724391] [2023-11-23 20:31:57,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:57,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:58,612 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-23 20:31:58,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:58,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664724391] [2023-11-23 20:31:58,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664724391] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:58,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:58,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-23 20:31:58,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740975163] [2023-11-23 20:31:58,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:58,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 20:31:58,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:58,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 20:31:58,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-11-23 20:31:58,615 INFO L87 Difference]: Start difference. First operand 74 states and 92 transitions. Second operand has 13 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 5 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-23 20:31:58,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:58,932 INFO L93 Difference]: Finished difference Result 90 states and 110 transitions. [2023-11-23 20:31:58,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 20:31:58,933 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 5 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 64 [2023-11-23 20:31:58,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:58,935 INFO L225 Difference]: With dead ends: 90 [2023-11-23 20:31:58,935 INFO L226 Difference]: Without dead ends: 88 [2023-11-23 20:31:58,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-11-23 20:31:58,937 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 31 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:58,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 573 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:31:58,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-23 20:31:58,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 82. [2023-11-23 20:31:58,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 45 states have (on average 1.0444444444444445) internal successors, (47), 47 states have internal predecessors, (47), 27 states have call successors, (27), 9 states have call predecessors, (27), 9 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 20:31:58,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 100 transitions. [2023-11-23 20:31:58,956 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 100 transitions. Word has length 64 [2023-11-23 20:31:58,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:58,957 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 100 transitions. [2023-11-23 20:31:58,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 5 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-23 20:31:58,957 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 100 transitions. [2023-11-23 20:31:58,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 20:31:58,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:58,959 INFO L195 NwaCegarLoop]: trace histogram [8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:58,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 20:31:58,960 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:31:58,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:58,960 INFO L85 PathProgramCache]: Analyzing trace with hash 134314359, now seen corresponding path program 1 times [2023-11-23 20:31:58,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:58,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289906405] [2023-11-23 20:31:58,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:58,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:00,547 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-23 20:32:00,547 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:32:00,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289906405] [2023-11-23 20:32:00,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289906405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:00,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:00,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-23 20:32:00,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459877020] [2023-11-23 20:32:00,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:00,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-23 20:32:00,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:32:00,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-23 20:32:00,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2023-11-23 20:32:00,553 INFO L87 Difference]: Start difference. First operand 82 states and 100 transitions. Second operand has 14 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 4 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-23 20:32:00,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:00,991 INFO L93 Difference]: Finished difference Result 88 states and 105 transitions. [2023-11-23 20:32:00,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 20:32:00,992 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 4 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) Word has length 79 [2023-11-23 20:32:00,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:01,000 INFO L225 Difference]: With dead ends: 88 [2023-11-23 20:32:01,000 INFO L226 Difference]: Without dead ends: 86 [2023-11-23 20:32:01,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2023-11-23 20:32:01,003 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 10 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:01,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 886 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 20:32:01,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-23 20:32:01,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-11-23 20:32:01,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 48 states have (on average 1.0416666666666667) internal successors, (50), 50 states have internal predecessors, (50), 27 states have call successors, (27), 10 states have call predecessors, (27), 10 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 20:32:01,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 103 transitions. [2023-11-23 20:32:01,030 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 103 transitions. Word has length 79 [2023-11-23 20:32:01,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:01,032 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 103 transitions. [2023-11-23 20:32:01,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 4 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-23 20:32:01,032 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2023-11-23 20:32:01,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-23 20:32:01,035 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:01,035 INFO L195 NwaCegarLoop]: trace histogram [8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:01,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 20:32:01,036 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:01,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:01,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1284112019, now seen corresponding path program 1 times [2023-11-23 20:32:01,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:01,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800602933] [2023-11-23 20:32:01,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:01,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:02,618 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-11-23 20:32:02,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:32:02,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800602933] [2023-11-23 20:32:02,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800602933] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:02,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:02,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-23 20:32:02,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764384972] [2023-11-23 20:32:02,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:02,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-23 20:32:02,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:32:02,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-23 20:32:02,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2023-11-23 20:32:02,623 INFO L87 Difference]: Start difference. First operand 86 states and 103 transitions. Second operand has 14 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 10 states have internal predecessors, (29), 5 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 7 states have call predecessors, (15), 4 states have call successors, (15) [2023-11-23 20:32:02,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:02,981 INFO L93 Difference]: Finished difference Result 92 states and 108 transitions. [2023-11-23 20:32:02,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 20:32:02,983 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 10 states have internal predecessors, (29), 5 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 7 states have call predecessors, (15), 4 states have call successors, (15) Word has length 87 [2023-11-23 20:32:02,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:02,987 INFO L225 Difference]: With dead ends: 92 [2023-11-23 20:32:02,987 INFO L226 Difference]: Without dead ends: 88 [2023-11-23 20:32:02,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2023-11-23 20:32:02,990 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 15 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:02,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 558 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:32:02,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-23 20:32:03,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 63. [2023-11-23 20:32:03,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 35 states have internal predecessors, (36), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-23 20:32:03,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 73 transitions. [2023-11-23 20:32:03,030 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 73 transitions. Word has length 87 [2023-11-23 20:32:03,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:03,031 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 73 transitions. [2023-11-23 20:32:03,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 10 states have internal predecessors, (29), 5 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 7 states have call predecessors, (15), 4 states have call successors, (15) [2023-11-23 20:32:03,032 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2023-11-23 20:32:03,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-23 20:32:03,036 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:03,036 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:03,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 20:32:03,037 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:03,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:03,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1136685571, now seen corresponding path program 1 times [2023-11-23 20:32:03,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:03,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218388413] [2023-11-23 20:32:03,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:03,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:05,366 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:32:05,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:32:05,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218388413] [2023-11-23 20:32:05,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218388413] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:05,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:05,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-23 20:32:05,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61007524] [2023-11-23 20:32:05,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:05,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-23 20:32:05,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:32:05,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-23 20:32:05,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-11-23 20:32:05,370 INFO L87 Difference]: Start difference. First operand 63 states and 73 transitions. Second operand has 14 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 6 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) [2023-11-23 20:32:05,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:05,705 INFO L93 Difference]: Finished difference Result 94 states and 112 transitions. [2023-11-23 20:32:05,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-23 20:32:05,706 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 6 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) Word has length 78 [2023-11-23 20:32:05,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:05,711 INFO L225 Difference]: With dead ends: 94 [2023-11-23 20:32:05,712 INFO L226 Difference]: Without dead ends: 63 [2023-11-23 20:32:05,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-11-23 20:32:05,714 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 25 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:05,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 628 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:32:05,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-23 20:32:05,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-23 20:32:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 35 states have (on average 1.0) internal successors, (35), 35 states have internal predecessors, (35), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-23 20:32:05,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2023-11-23 20:32:05,792 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 78 [2023-11-23 20:32:05,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:05,793 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2023-11-23 20:32:05,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 6 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) [2023-11-23 20:32:05,795 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2023-11-23 20:32:05,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-23 20:32:05,804 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:05,804 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:05,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 20:32:05,804 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:05,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:05,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1890664, now seen corresponding path program 1 times [2023-11-23 20:32:05,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:05,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490176575] [2023-11-23 20:32:05,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:05,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:32:06,204 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:32:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:32:06,593 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:32:06,594 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:32:06,596 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:32:06,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 20:32:06,601 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:06,606 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:32:06,684 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret551 could not be translated [2023-11-23 20:32:06,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret552 [2023-11-23 20:32:06,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem553 could not be translated [2023-11-23 20:32:06,687 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem553 could not be translated [2023-11-23 20:32:06,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret2169 [2023-11-23 20:32:06,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated [2023-11-23 20:32:06,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated [2023-11-23 20:32:06,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret551 could not be translated [2023-11-23 20:32:06,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret552 [2023-11-23 20:32:06,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem553 could not be translated [2023-11-23 20:32:06,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem553 could not be translated [2023-11-23 20:32:06,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated [2023-11-23 20:32:06,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret2171 [2023-11-23 20:32:06,702 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret2171 [2023-11-23 20:32:06,702 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite2172 [2023-11-23 20:32:06,703 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated [2023-11-23 20:32:06,703 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2012 could not be translated [2023-11-23 20:32:06,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2012 could not be translated [2023-11-23 20:32:06,705 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2013 could not be translated [2023-11-23 20:32:06,709 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2013 could not be translated [2023-11-23 20:32:06,712 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2015 could not be translated [2023-11-23 20:32:06,713 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2017 could not be translated [2023-11-23 20:32:06,714 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2015 could not be translated [2023-11-23 20:32:06,714 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2015 could not be translated [2023-11-23 20:32:06,715 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2016 could not be translated [2023-11-23 20:32:06,715 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2017 could not be translated [2023-11-23 20:32:06,715 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2015 could not be translated [2023-11-23 20:32:06,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2016 could not be translated [2023-11-23 20:32:06,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2017 could not be translated [2023-11-23 20:32:06,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2016 could not be translated [2023-11-23 20:32:06,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2017 could not be translated [2023-11-23 20:32:06,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2015 could not be translated [2023-11-23 20:32:06,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret597 could not be translated [2023-11-23 20:32:06,720 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem599 could not be translated [2023-11-23 20:32:06,720 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem598 could not be translated [2023-11-23 20:32:06,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:32:06 BoogieIcfgContainer [2023-11-23 20:32:06,746 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:32:06,746 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:32:06,747 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:32:06,747 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:32:06,747 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:52" (3/4) ... [2023-11-23 20:32:06,750 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:32:06,751 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:32:06,752 INFO L158 Benchmark]: Toolchain (without parser) took 21197.38ms. Allocated memory was 125.8MB in the beginning and 427.8MB in the end (delta: 302.0MB). Free memory was 71.3MB in the beginning and 334.9MB in the end (delta: -263.6MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2023-11-23 20:32:06,752 INFO L158 Benchmark]: CDTParser took 1.72ms. Allocated memory is still 125.8MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:06,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5226.97ms. Allocated memory was 125.8MB in the beginning and 195.0MB in the end (delta: 69.2MB). Free memory was 71.3MB in the beginning and 122.5MB in the end (delta: -51.2MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. [2023-11-23 20:32:06,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 291.55ms. Allocated memory is still 195.0MB. Free memory was 122.5MB in the beginning and 111.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:32:06,753 INFO L158 Benchmark]: Boogie Preprocessor took 122.79ms. Allocated memory is still 195.0MB. Free memory was 111.0MB in the beginning and 106.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:32:06,754 INFO L158 Benchmark]: RCFGBuilder took 1058.61ms. Allocated memory is still 195.0MB. Free memory was 105.7MB in the beginning and 115.3MB in the end (delta: -9.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-23 20:32:06,755 INFO L158 Benchmark]: TraceAbstraction took 14478.90ms. Allocated memory was 195.0MB in the beginning and 427.8MB in the end (delta: 232.8MB). Free memory was 114.3MB in the beginning and 334.9MB in the end (delta: -220.6MB). Peak memory consumption was 243.9MB. Max. memory is 16.1GB. [2023-11-23 20:32:06,755 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 427.8MB. Free memory is still 334.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:06,758 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.72ms. Allocated memory is still 125.8MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5226.97ms. Allocated memory was 125.8MB in the beginning and 195.0MB in the end (delta: 69.2MB). Free memory was 71.3MB in the beginning and 122.5MB in the end (delta: -51.2MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 291.55ms. Allocated memory is still 195.0MB. Free memory was 122.5MB in the beginning and 111.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.79ms. Allocated memory is still 195.0MB. Free memory was 111.0MB in the beginning and 106.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1058.61ms. Allocated memory is still 195.0MB. Free memory was 105.7MB in the beginning and 115.3MB in the end (delta: -9.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 14478.90ms. Allocated memory was 195.0MB in the beginning and 427.8MB in the end (delta: 232.8MB). Free memory was 114.3MB in the beginning and 334.9MB in the end (delta: -220.6MB). Peak memory consumption was 243.9MB. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 427.8MB. Free memory is still 334.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8255]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8255] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret551 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret552 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem553 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem553 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret2169 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret551 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret552 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem553 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem553 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret2171 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret2171 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite2172 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2012 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2012 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2013 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2013 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2015 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2017 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2015 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2015 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2016 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2017 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2015 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2016 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2017 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2016 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2017 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2015 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret597 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem599 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem598 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of strcmp at line 10798, overapproximation of strlen at line 11324. Possible FailurePath: [L6879-L6884] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7634-L7646] static const uint8_t s_tolower_table[256] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 91, 92, 93, 94, 95, 96, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255}; [L11328] CALL aws_hash_callback_c_str_eq_harness() [L11318] CALL, EXPR ensure_c_str_is_allocated(64) VAL [\old(max_size)=64, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6832] CALL, EXPR nondet_uint64_t() VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L266] return __VERIFIER_nondet_ulong(); [L6832] RET, EXPR nondet_uint64_t() VAL [\old(max_size)=64, max_size=64, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6832] size_t cap = nondet_uint64_t(); [L6833] CALL assume_abort_if_not(cap > 0 && cap <= max_size) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) [L6833] RET assume_abort_if_not(cap > 0 && cap <= max_size) VAL [\old(max_size)=64, cap=1, max_size=64, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6834] CALL, EXPR bounded_malloc(cap) VAL [\old(size)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6896-L6898] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) [L6896-L6898] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, size=1] [L6899] return malloc(size); [L6834] RET, EXPR bounded_malloc(cap) VAL [\old(max_size)=64, cap=1, max_size=64, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6834] const char *str = bounded_malloc(cap); [L6838] EXPR str[cap - 1] VAL [\old(max_size)=64, cap=1, max_size=64, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6838] CALL assume_abort_if_not(str[cap - 1] == 0) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) [L6838] RET assume_abort_if_not(str[cap - 1] == 0) VAL [\old(max_size)=64, cap=1, max_size=64, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6839] return str; [L11318] RET, EXPR ensure_c_str_is_allocated(64) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11318] const char *str1 = ensure_c_str_is_allocated(64); [L11319] CALL, EXPR nondet_bool() VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L261] return __VERIFIER_nondet_bool(); [L11319] RET, EXPR nondet_bool() VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str1={-2:0}] [L11319] EXPR nondet_bool() ? str1 : ensure_c_str_is_allocated(64) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str1={-2:0}] [L11319] CALL, EXPR ensure_c_str_is_allocated(64) VAL [\old(max_size)=64, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6832] CALL, EXPR nondet_uint64_t() VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L266] return __VERIFIER_nondet_ulong(); [L6832] RET, EXPR nondet_uint64_t() VAL [\old(max_size)=64, max_size=64, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6832] size_t cap = nondet_uint64_t(); [L6833] CALL assume_abort_if_not(cap > 0 && cap <= max_size) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) [L6833] RET assume_abort_if_not(cap > 0 && cap <= max_size) VAL [\old(max_size)=64, cap=1, max_size=64, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6834] CALL, EXPR bounded_malloc(cap) VAL [\old(size)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6896-L6898] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) [L6896-L6898] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, size=1] [L6899] return malloc(size); [L6834] RET, EXPR bounded_malloc(cap) VAL [\old(max_size)=64, cap=1, max_size=64, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6834] const char *str = bounded_malloc(cap); [L6838] EXPR str[cap - 1] VAL [\old(max_size)=64, cap=1, max_size=64, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-3:0}] [L6838] CALL assume_abort_if_not(str[cap - 1] == 0) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) [L6838] RET assume_abort_if_not(str[cap - 1] == 0) VAL [\old(max_size)=64, cap=1, max_size=64, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-3:0}] [L6839] return str; [L11319] RET, EXPR ensure_c_str_is_allocated(64) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str1={-2:0}] [L11319] EXPR nondet_bool() ? str1 : ensure_c_str_is_allocated(64) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str1={-2:0}] [L11319] const char *str2 = nondet_bool() ? str1 : ensure_c_str_is_allocated(64); [L11322] CALL, EXPR aws_hash_callback_c_str_eq(str1, str2) [L10794] CALL, EXPR aws_c_string_is_valid(a) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6272] return str && ((((1)) == 0) || ((str))); [L10794] RET, EXPR aws_c_string_is_valid(a) VAL [a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10794] CALL assume_abort_if_not((aws_c_string_is_valid(a))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) [L10794] RET assume_abort_if_not((aws_c_string_is_valid(a))) VAL [a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10795] CALL, EXPR aws_c_string_is_valid(b) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-3:0}] [L6272] return str && ((((1)) == 0) || ((str))); [L10795] RET, EXPR aws_c_string_is_valid(b) VAL [a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10795] CALL assume_abort_if_not((aws_c_string_is_valid(b))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) [L10795] RET assume_abort_if_not((aws_c_string_is_valid(b))) VAL [a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10797-L10798] _Bool rval = !strcmp(a, b); [L10799] CALL, EXPR aws_c_string_is_valid(a) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6272] return str && ((((1)) == 0) || ((str))); [L10799] RET, EXPR aws_c_string_is_valid(a) VAL [a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, rval=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10799] EXPR aws_c_string_is_valid(a) && aws_c_string_is_valid(b) VAL [a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, rval=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10799] CALL, EXPR aws_c_string_is_valid(b) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-3:0}] [L6272] return str && ((((1)) == 0) || ((str))); [L10799] RET, EXPR aws_c_string_is_valid(b) VAL [a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, rval=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10799] EXPR aws_c_string_is_valid(a) && aws_c_string_is_valid(b) VAL [a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, rval=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10799] CALL __VERIFIER_assert((aws_c_string_is_valid(a) && aws_c_string_is_valid(b))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L223] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10799] RET __VERIFIER_assert((aws_c_string_is_valid(a) && aws_c_string_is_valid(b))) VAL [a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, rval=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10799] return rval; VAL [\result=1, a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, rval=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11322] RET, EXPR aws_hash_callback_c_str_eq(str1, str2) [L11321-L11322] _Bool rval = aws_hash_callback_c_str_eq(str1, str2); [L11323] COND TRUE \read(rval) [L11324] size_t len = strlen(str1); [L11325] CALL assert_bytes_match(str1, str2, len) [L7113] CALL __VERIFIER_assert(!a == !b) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L223] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L7113] RET __VERIFIER_assert(!a == !b) VAL [\old(len)=36028797018963966, a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, len=36028797018963966, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L7114-L7117] COND TRUE len > 0 && a != ((void *)0) && b != ((void *)0) VAL [\old(len)=36028797018963966, a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, len=36028797018963966, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L7119] CALL, EXPR nondet_uint64_t() VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L266] return __VERIFIER_nondet_ulong(); [L7119] RET, EXPR nondet_uint64_t() VAL [\old(len)=36028797018963966, a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, len=36028797018963966, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L7119] size_t i = nondet_uint64_t(); [L7120-L7122] CALL assume_abort_if_not(i < len && len < ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) [L7120-L7122] RET assume_abort_if_not(i < len && len < ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(len)=36028797018963966, a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, i=36028797018963965, len=36028797018963966, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L7123] EXPR a[i] [L7123] EXPR b[i] VAL [\old(len)=36028797018963966, a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, i=36028797018963965, len=36028797018963966, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L7123] CALL __VERIFIER_assert(a[i] == b[i]) VAL [\old(cond)=0, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L223] reach_error() VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.3s, OverallIterations: 8, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 173 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 136 mSDsluCounter, 3888 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3484 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1409 IncrementalHoareTripleChecker+Invalid, 1463 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 404 mSDtfsCounter, 1409 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=5, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 33 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 567 NumberOfCodeBlocks, 567 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 459 ConstructedInterpolants, 0 QuantifiedInterpolants, 1341 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 334/334 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:32:06,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/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_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/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 e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:32:09,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:32:09,735 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-23 20:32:09,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:32:09,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:32:09,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:32:09,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:32:09,792 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:32:09,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:32:09,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:32:09,799 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:32:09,799 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:32:09,799 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:32:09,801 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:32:09,802 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:32:09,802 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:32:09,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:32:09,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:32:09,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:32:09,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:32:09,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:32:09,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:32:09,807 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:32:09,807 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:32:09,808 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:32:09,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:32:09,808 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:32:09,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:32:09,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:32:09,810 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:32:09,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:32:09,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:09,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:32:09,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:32:09,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:32:09,813 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:32:09,813 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:32:09,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:32:09,813 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:32:09,814 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:32:09,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:32:09,815 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 [2023-11-23 20:32:10,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:32:10,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:32:10,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:32:10,324 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:32:10,325 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:32:10,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2023-11-23 20:32:13,455 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:32:14,212 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:32:14,213 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2023-11-23 20:32:14,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/data/448dacca4/e0ea7b5a29fa45e5a00fba627f403c5d/FLAGdde1031a2 [2023-11-23 20:32:14,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/bin/utaipan-verify-mE87zJ7Ire/data/448dacca4/e0ea7b5a29fa45e5a00fba627f403c5d [2023-11-23 20:32:14,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:32:14,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:32:14,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:14,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:32:14,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:32:14,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:14" (1/1) ... [2023-11-23 20:32:14,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40be7fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:14, skipping insertion in model container [2023-11-23 20:32:14,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:14" (1/1) ... [2023-11-23 20:32:14,502 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:14,815 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_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2023-11-23 20:32:14,825 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_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2023-11-23 20:32:16,202 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:16,203 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:16,204 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:16,205 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:16,207 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:16,224 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:16,225 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:16,227 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:16,228 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:16,897 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:32:16,899 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:32:16,909 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:32:16,910 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:32:16,919 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:32:16,919 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:32:16,920 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:32:16,921 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:32:16,922 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:32:16,923 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:32:17,322 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:17,323 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:17,666 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:17,667 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:17,692 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:17,693 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:17,700 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:17,701 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:17,718 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:17,719 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:17,720 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:17,720 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:17,721 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:17,722 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:17,722 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:17,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:17,890 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 20:32:18,016 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:18,022 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_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2023-11-23 20:32:18,022 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_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2023-11-23 20:32:18,090 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,090 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,091 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,091 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,092 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,097 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,098 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,098 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,099 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,135 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:32:18,136 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:32:18,137 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:32:18,138 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:32:18,139 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:32:18,139 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:32:18,140 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:32:18,140 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:32:18,141 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:32:18,141 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:32:18,266 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,269 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,375 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,376 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,383 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,384 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,387 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,387 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,395 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,396 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,397 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,398 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,398 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,398 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,399 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:18,451 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:32:18,465 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_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2023-11-23 20:32:18,465 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_b8566e50-e1ba-46c1-8cb2-78ef98c5189d/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2023-11-23 20:32:18,501 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,501 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,502 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,502 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,503 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,511 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,511 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,512 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,513 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,581 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:32:18,581 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:32:18,582 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:32:18,582 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:32:18,583 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:32:18,584 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:32:18,584 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:32:18,585 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:32:18,585 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:32:18,586 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:32:18,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8255] [2023-11-23 20:32:18,667 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,667 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,788 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,789 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,801 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,802 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,806 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,808 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:32:18,812 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4773) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.countNumberOfPrimitiveElementInType(InitializationHandler.java:1056) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.lambda$3(InitializationHandler.java:1046) at java.base/java.util.stream.ReferencePipeline$5$1.accept(ReferencePipeline.java:229) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.LongPipeline.reduce(LongPipeline.java:474) at java.base/java.util.stream.LongPipeline.sum(LongPipeline.java:432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.countNumberOfPrimitiveElementInType(InitializationHandler.java:1046) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.useConstArrayInitialization(InitializationHandler.java:1022) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:262) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3018) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1156) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:306) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:275) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:258) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:204) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:32:18,821 INFO L158 Benchmark]: Toolchain (without parser) took 4530.37ms. Allocated memory was 73.4MB in the beginning and 148.9MB in the end (delta: 75.5MB). Free memory was 48.0MB in the beginning and 80.5MB in the end (delta: -32.6MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2023-11-23 20:32:18,822 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 60.8MB. Free memory is still 36.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:18,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4525.98ms. Allocated memory was 73.4MB in the beginning and 148.9MB in the end (delta: 75.5MB). Free memory was 48.0MB in the beginning and 80.5MB in the end (delta: -32.6MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2023-11-23 20:32:18,829 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 60.8MB. Free memory is still 36.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4525.98ms. Allocated memory was 73.4MB in the beginning and 148.9MB in the end (delta: 75.5MB). Free memory was 48.0MB in the beginning and 80.5MB in the end (delta: -32.6MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8255]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8255] - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4773) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range