./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/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_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:02:01,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:02:01,260 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:02:01,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:02:01,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:02:01,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:02:01,294 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:02:01,295 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:02:01,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:02:01,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:02:01,297 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:02:01,298 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:02:01,298 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:02:01,299 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:02:01,300 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:02:01,300 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:02:01,301 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:02:01,302 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:02:01,302 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:02:01,303 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:02:01,304 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:02:01,305 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:02:01,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:02:01,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:02:01,307 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:02:01,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:02:01,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:02:01,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:02:01,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:02:01,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:02:01,311 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:02:01,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:02:01,313 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:02:01,313 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:02:01,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:01,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:02:01,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:02:01,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:02:01,316 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:02:01,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:02:01,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:02:01,318 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:02:01,318 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:02:01,319 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:02:01,319 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_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 [2023-11-25 00:02:01,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:02:01,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:02:01,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:02:01,604 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:02:01,605 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:02:01,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2023-11-25 00:02:04,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:02:05,486 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:02:05,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2023-11-25 00:02:05,537 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/data/c9d454639/a578067b3a314cfaa1d0b9494a4dae83/FLAG8fb0ba57c [2023-11-25 00:02:05,556 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/data/c9d454639/a578067b3a314cfaa1d0b9494a4dae83 [2023-11-25 00:02:05,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:02:05,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:02:05,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:05,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:02:05,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:02:05,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:05" (1/1) ... [2023-11-25 00:02:05,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3912772c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:05, skipping insertion in model container [2023-11-25 00:02:05,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:05" (1/1) ... [2023-11-25 00:02:05,741 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:02:06,145 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_a1087f08-ccc3-46aa-989d-48b739b10bda/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2023-11-25 00:02:06,156 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_a1087f08-ccc3-46aa-989d-48b739b10bda/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2023-11-25 00:02:07,863 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:07,864 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:07,865 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:07,866 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:07,867 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:07,883 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:07,884 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:07,886 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:07,887 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:08,595 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-25 00:02:08,597 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-25 00:02:08,599 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-25 00:02:08,601 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-25 00:02:08,603 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-25 00:02:08,604 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-25 00:02:08,605 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-25 00:02:08,606 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-25 00:02:08,607 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-25 00:02:08,608 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-25 00:02:09,081 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,091 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,518 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,521 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,553 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,554 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,563 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,564 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,586 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,588 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,589 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,590 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,590 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,591 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,591 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:09,701 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:02:09,716 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_a1087f08-ccc3-46aa-989d-48b739b10bda/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2023-11-25 00:02:09,717 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_a1087f08-ccc3-46aa-989d-48b739b10bda/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2023-11-25 00:02:09,753 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,753 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,754 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,754 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,755 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,764 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,765 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,766 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,766 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,797 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-25 00:02:09,798 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-25 00:02:09,799 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-25 00:02:09,800 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-25 00:02:09,801 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-25 00:02:09,801 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-25 00:02:09,802 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-25 00:02:09,803 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-25 00:02:09,803 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-25 00:02:09,804 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-25 00:02:09,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8255] [2023-11-25 00:02:09,881 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:09,881 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:10,068 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:10,068 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:10,080 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:10,081 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:10,085 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:10,085 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:10,096 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:10,098 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:10,099 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:10,099 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:10,099 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:10,100 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:10,100 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:10,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:10,489 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,490 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,490 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,491 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,491 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,491 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,491 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,491 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,492 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,492 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,492 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,492 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,492 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,492 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,493 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,493 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,493 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,493 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,493 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:10,501 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:02:10,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:10 WrapperNode [2023-11-25 00:02:10,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:10,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:10,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:02:10,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:02:10,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:10" (1/1) ... [2023-11-25 00:02:10,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:10" (1/1) ... [2023-11-25 00:02:10,743 INFO L138 Inliner]: procedures = 766, calls = 3255, calls flagged for inlining = 78, calls inlined = 5, statements flattened = 337 [2023-11-25 00:02:10,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:10,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:02:10,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:02:10,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:02:10,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:10" (1/1) ... [2023-11-25 00:02:10,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:10" (1/1) ... [2023-11-25 00:02:10,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:10" (1/1) ... [2023-11-25 00:02:10,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:10" (1/1) ... [2023-11-25 00:02:10,817 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:10" (1/1) ... [2023-11-25 00:02:10,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:10" (1/1) ... [2023-11-25 00:02:10,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:10" (1/1) ... [2023-11-25 00:02:10,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:10" (1/1) ... [2023-11-25 00:02:10,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:02:10,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:02:10,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:02:10,838 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:02:10,839 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:10" (1/1) ... [2023-11-25 00:02:10,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:10,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:02:10,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:02:10,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:02:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-25 00:02:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-25 00:02:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:02:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-25 00:02:10,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-25 00:02:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:02:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:02:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:02:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:02:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-25 00:02:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-25 00:02:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:02:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:02:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:02:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-25 00:02:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-25 00:02:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_c_str_is_allocated [2023-11-25 00:02:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_c_str_is_allocated [2023-11-25 00:02:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2023-11-25 00:02:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2023-11-25 00:02:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:02:11,226 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:02:11,229 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:02:11,678 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2023-11-25 00:02:11,704 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:02:11,788 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:02:11,788 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-25 00:02:11,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:11 BoogieIcfgContainer [2023-11-25 00:02:11,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:02:11,797 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:02:11,797 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:02:11,801 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:02:11,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:02:05" (1/3) ... [2023-11-25 00:02:11,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78907776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:11, skipping insertion in model container [2023-11-25 00:02:11,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:10" (2/3) ... [2023-11-25 00:02:11,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78907776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:11, skipping insertion in model container [2023-11-25 00:02:11,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:11" (3/3) ... [2023-11-25 00:02:11,806 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_c_str_eq_harness.i [2023-11-25 00:02:11,830 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:02:11,830 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:02:11,897 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:02:11,904 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;@68af7874, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:02:11,905 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:02:11,910 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) [2023-11-25 00:02:11,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-25 00:02:11,922 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:11,924 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] [2023-11-25 00:02:11,925 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:11,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:11,936 INFO L85 PathProgramCache]: Analyzing trace with hash 295058910, now seen corresponding path program 1 times [2023-11-25 00:02:11,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:11,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630519907] [2023-11-25 00:02:11,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:11,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:12,485 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-25 00:02:12,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:12,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630519907] [2023-11-25 00:02:12,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630519907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:12,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:12,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:02:12,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667694519] [2023-11-25 00:02:12,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:12,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:02:12,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:12,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:02:12,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:02:12,527 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) [2023-11-25 00:02:12,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:12,586 INFO L93 Difference]: Finished difference Result 85 states and 108 transitions. [2023-11-25 00:02:12,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:02:12,589 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 [2023-11-25 00:02:12,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:12,598 INFO L225 Difference]: With dead ends: 85 [2023-11-25 00:02:12,598 INFO L226 Difference]: Without dead ends: 57 [2023-11-25 00:02:12,601 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 [2023-11-25 00:02:12,605 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, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:12,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:12,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-25 00:02:12,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-25 00:02:12,649 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) [2023-11-25 00:02:12,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 70 transitions. [2023-11-25 00:02:12,653 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 70 transitions. Word has length 50 [2023-11-25 00:02:12,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:12,655 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 70 transitions. [2023-11-25 00:02:12,655 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) [2023-11-25 00:02:12,656 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2023-11-25 00:02:12,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-25 00:02:12,659 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:12,659 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] [2023-11-25 00:02:12,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:02:12,659 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:12,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:12,660 INFO L85 PathProgramCache]: Analyzing trace with hash 29185266, now seen corresponding path program 1 times [2023-11-25 00:02:12,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:12,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814384850] [2023-11-25 00:02:12,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:12,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:13,970 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-25 00:02:13,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:13,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814384850] [2023-11-25 00:02:13,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814384850] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:13,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:13,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-25 00:02:13,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758013161] [2023-11-25 00:02:13,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:13,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-25 00:02:13,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:13,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-25 00:02:13,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-25 00:02:13,977 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) [2023-11-25 00:02:14,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:14,349 INFO L93 Difference]: Finished difference Result 78 states and 92 transitions. [2023-11-25 00:02:14,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-25 00:02:14,350 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 [2023-11-25 00:02:14,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:14,355 INFO L225 Difference]: With dead ends: 78 [2023-11-25 00:02:14,355 INFO L226 Difference]: Without dead ends: 57 [2023-11-25 00:02:14,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2023-11-25 00:02:14,358 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 [2023-11-25 00:02:14,359 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] [2023-11-25 00:02:14,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-25 00:02:14,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-25 00:02:14,370 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) [2023-11-25 00:02:14,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2023-11-25 00:02:14,372 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 52 [2023-11-25 00:02:14,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:14,373 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2023-11-25 00:02:14,373 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) [2023-11-25 00:02:14,373 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2023-11-25 00:02:14,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-25 00:02:14,376 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:14,376 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] [2023-11-25 00:02:14,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-25 00:02:14,376 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:14,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:14,377 INFO L85 PathProgramCache]: Analyzing trace with hash -194414510, now seen corresponding path program 1 times [2023-11-25 00:02:14,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:14,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712728841] [2023-11-25 00:02:14,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:14,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:15,784 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-25 00:02:15,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:15,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712728841] [2023-11-25 00:02:15,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712728841] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:15,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:15,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-25 00:02:15,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947870130] [2023-11-25 00:02:15,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:15,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-25 00:02:15,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:15,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-25 00:02:15,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2023-11-25 00:02:15,795 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) [2023-11-25 00:02:16,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:16,239 INFO L93 Difference]: Finished difference Result 78 states and 96 transitions. [2023-11-25 00:02:16,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-25 00:02:16,240 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 [2023-11-25 00:02:16,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:16,244 INFO L225 Difference]: With dead ends: 78 [2023-11-25 00:02:16,245 INFO L226 Difference]: Without dead ends: 76 [2023-11-25 00:02:16,246 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 [2023-11-25 00:02:16,248 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 [2023-11-25 00:02:16,249 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] [2023-11-25 00:02:16,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-25 00:02:16,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2023-11-25 00:02:16,278 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) [2023-11-25 00:02:16,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 92 transitions. [2023-11-25 00:02:16,289 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 92 transitions. Word has length 56 [2023-11-25 00:02:16,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:16,291 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 92 transitions. [2023-11-25 00:02:16,292 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) [2023-11-25 00:02:16,292 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 92 transitions. [2023-11-25 00:02:16,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-25 00:02:16,298 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:16,299 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] [2023-11-25 00:02:16,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-25 00:02:16,299 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:16,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:16,300 INFO L85 PathProgramCache]: Analyzing trace with hash 92992840, now seen corresponding path program 1 times [2023-11-25 00:02:16,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:16,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921802779] [2023-11-25 00:02:16,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:16,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:17,851 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-25 00:02:17,851 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:17,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921802779] [2023-11-25 00:02:17,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921802779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:17,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:17,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-25 00:02:17,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947230646] [2023-11-25 00:02:17,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:17,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-25 00:02:17,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:17,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-25 00:02:17,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-11-25 00:02:17,863 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) [2023-11-25 00:02:18,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:18,194 INFO L93 Difference]: Finished difference Result 90 states and 110 transitions. [2023-11-25 00:02:18,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-25 00:02:18,195 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 [2023-11-25 00:02:18,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:18,198 INFO L225 Difference]: With dead ends: 90 [2023-11-25 00:02:18,199 INFO L226 Difference]: Without dead ends: 88 [2023-11-25 00:02:18,200 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 [2023-11-25 00:02:18,202 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 [2023-11-25 00:02:18,203 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] [2023-11-25 00:02:18,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-25 00:02:18,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 82. [2023-11-25 00:02:18,228 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) [2023-11-25 00:02:18,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 100 transitions. [2023-11-25 00:02:18,229 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 100 transitions. Word has length 64 [2023-11-25 00:02:18,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:18,230 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 100 transitions. [2023-11-25 00:02:18,230 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) [2023-11-25 00:02:18,231 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 100 transitions. [2023-11-25 00:02:18,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-25 00:02:18,233 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:18,233 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] [2023-11-25 00:02:18,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-25 00:02:18,233 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:18,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:18,234 INFO L85 PathProgramCache]: Analyzing trace with hash 134314359, now seen corresponding path program 1 times [2023-11-25 00:02:18,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:18,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039953519] [2023-11-25 00:02:18,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:18,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:19,560 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-25 00:02:19,561 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:19,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039953519] [2023-11-25 00:02:19,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039953519] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:19,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:19,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-25 00:02:19,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004134336] [2023-11-25 00:02:19,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:19,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-25 00:02:19,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:19,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-25 00:02:19,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2023-11-25 00:02:19,566 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) [2023-11-25 00:02:19,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:19,932 INFO L93 Difference]: Finished difference Result 88 states and 105 transitions. [2023-11-25 00:02:19,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-25 00:02:19,933 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 [2023-11-25 00:02:19,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:19,940 INFO L225 Difference]: With dead ends: 88 [2023-11-25 00:02:19,941 INFO L226 Difference]: Without dead ends: 86 [2023-11-25 00:02:19,941 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 [2023-11-25 00:02:19,942 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 [2023-11-25 00:02:19,942 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] [2023-11-25 00:02:19,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-25 00:02:19,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-11-25 00:02:19,964 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) [2023-11-25 00:02:19,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 103 transitions. [2023-11-25 00:02:19,967 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 103 transitions. Word has length 79 [2023-11-25 00:02:19,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:19,967 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 103 transitions. [2023-11-25 00:02:19,969 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) [2023-11-25 00:02:19,969 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2023-11-25 00:02:19,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-25 00:02:19,973 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:19,973 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] [2023-11-25 00:02:19,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-25 00:02:19,973 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:19,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:19,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1284112019, now seen corresponding path program 1 times [2023-11-25 00:02:19,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:19,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545119337] [2023-11-25 00:02:19,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:19,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:21,418 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-11-25 00:02:21,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:21,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545119337] [2023-11-25 00:02:21,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545119337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:21,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:21,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-25 00:02:21,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609248371] [2023-11-25 00:02:21,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:21,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-25 00:02:21,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:21,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-25 00:02:21,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2023-11-25 00:02:21,422 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) [2023-11-25 00:02:21,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:21,724 INFO L93 Difference]: Finished difference Result 92 states and 108 transitions. [2023-11-25 00:02:21,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-25 00:02:21,724 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 [2023-11-25 00:02:21,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:21,727 INFO L225 Difference]: With dead ends: 92 [2023-11-25 00:02:21,727 INFO L226 Difference]: Without dead ends: 88 [2023-11-25 00:02:21,728 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 [2023-11-25 00:02:21,729 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 [2023-11-25 00:02:21,730 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] [2023-11-25 00:02:21,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-25 00:02:21,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 63. [2023-11-25 00:02:21,751 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) [2023-11-25 00:02:21,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 73 transitions. [2023-11-25 00:02:21,753 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 73 transitions. Word has length 87 [2023-11-25 00:02:21,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:21,755 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 73 transitions. [2023-11-25 00:02:21,755 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) [2023-11-25 00:02:21,755 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2023-11-25 00:02:21,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-25 00:02:21,757 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:21,757 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] [2023-11-25 00:02:21,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-25 00:02:21,758 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:21,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:21,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1136685571, now seen corresponding path program 1 times [2023-11-25 00:02:21,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:21,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765107691] [2023-11-25 00:02:21,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:21,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:23,653 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-25 00:02:23,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:23,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765107691] [2023-11-25 00:02:23,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765107691] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:23,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:23,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-25 00:02:23,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126886615] [2023-11-25 00:02:23,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:23,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-25 00:02:23,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:23,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-25 00:02:23,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-11-25 00:02:23,659 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) [2023-11-25 00:02:24,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:24,013 INFO L93 Difference]: Finished difference Result 94 states and 112 transitions. [2023-11-25 00:02:24,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-25 00:02:24,014 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 [2023-11-25 00:02:24,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:24,015 INFO L225 Difference]: With dead ends: 94 [2023-11-25 00:02:24,015 INFO L226 Difference]: Without dead ends: 63 [2023-11-25 00:02:24,016 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 [2023-11-25 00:02:24,017 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 [2023-11-25 00:02:24,017 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] [2023-11-25 00:02:24,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-25 00:02:24,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-25 00:02:24,027 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) [2023-11-25 00:02:24,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2023-11-25 00:02:24,028 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 78 [2023-11-25 00:02:24,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:24,029 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2023-11-25 00:02:24,029 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) [2023-11-25 00:02:24,029 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2023-11-25 00:02:24,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-25 00:02:24,030 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:24,031 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] [2023-11-25 00:02:24,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-25 00:02:24,031 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:24,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:24,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1890664, now seen corresponding path program 1 times [2023-11-25 00:02:24,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:24,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424198077] [2023-11-25 00:02:24,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:24,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:02:24,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:02:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:02:24,802 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:02:24,802 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:02:24,804 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:02:24,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-25 00:02:24,809 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:24,813 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:02:24,880 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret551 could not be translated [2023-11-25 00:02:24,882 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret552 [2023-11-25 00:02:24,882 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem553 could not be translated [2023-11-25 00:02:24,883 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem553 could not be translated [2023-11-25 00:02:24,883 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret2171 [2023-11-25 00:02:24,883 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2172 could not be translated [2023-11-25 00:02:24,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2172 could not be translated [2023-11-25 00:02:24,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret551 could not be translated [2023-11-25 00:02:24,891 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret552 [2023-11-25 00:02:24,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem553 could not be translated [2023-11-25 00:02:24,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem553 could not be translated [2023-11-25 00:02:24,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret2173 [2023-11-25 00:02:24,894 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2172 could not be translated [2023-11-25 00:02:24,895 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite2174 [2023-11-25 00:02:24,895 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret2173 [2023-11-25 00:02:24,899 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2172 could not be translated [2023-11-25 00:02:24,900 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2013 could not be translated [2023-11-25 00:02:24,901 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2013 could not be translated [2023-11-25 00:02:24,901 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2014 could not be translated [2023-11-25 00:02:24,902 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2014 could not be translated [2023-11-25 00:02:24,905 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2016 could not be translated [2023-11-25 00:02:24,908 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2016 could not be translated [2023-11-25 00:02:24,908 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2018 could not be translated [2023-11-25 00:02:24,908 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2017 could not be translated [2023-11-25 00:02:24,909 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2016 could not be translated [2023-11-25 00:02:24,909 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2018 could not be translated [2023-11-25 00:02:24,909 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2018 could not be translated [2023-11-25 00:02:24,910 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2016 could not be translated [2023-11-25 00:02:24,910 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2017 could not be translated [2023-11-25 00:02:24,910 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2018 could not be translated [2023-11-25 00:02:24,912 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2017 could not be translated [2023-11-25 00:02:24,912 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2016 could not be translated [2023-11-25 00:02:24,914 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret597 could not be translated [2023-11-25 00:02:24,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem599 could not be translated [2023-11-25 00:02:24,916 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem598 could not be translated [2023-11-25 00:02:24,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:02:24 BoogieIcfgContainer [2023-11-25 00:02:24,934 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:02:24,935 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:02:24,935 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:02:24,936 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:02:24,936 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:11" (3/4) ... [2023-11-25 00:02:24,938 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:02:24,940 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:02:24,940 INFO L158 Benchmark]: Toolchain (without parser) took 19376.12ms. Allocated memory was 180.4MB in the beginning and 446.7MB in the end (delta: 266.3MB). Free memory was 124.2MB in the beginning and 215.0MB in the end (delta: -90.9MB). Peak memory consumption was 177.6MB. Max. memory is 16.1GB. [2023-11-25 00:02:24,941 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory was 75.3MB in the beginning and 75.2MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:02:24,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4937.01ms. Allocated memory is still 180.4MB. Free memory was 123.3MB in the beginning and 79.1MB in the end (delta: 44.2MB). Peak memory consumption was 124.9MB. Max. memory is 16.1GB. [2023-11-25 00:02:24,942 INFO L158 Benchmark]: Boogie Procedure Inliner took 240.50ms. Allocated memory is still 180.4MB. Free memory was 79.1MB in the beginning and 67.5MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-25 00:02:24,942 INFO L158 Benchmark]: Boogie Preprocessor took 91.98ms. Allocated memory is still 180.4MB. Free memory was 67.5MB in the beginning and 63.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:02:24,943 INFO L158 Benchmark]: RCFGBuilder took 953.03ms. Allocated memory was 180.4MB in the beginning and 255.9MB in the end (delta: 75.5MB). Free memory was 63.3MB in the beginning and 148.2MB in the end (delta: -84.9MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-11-25 00:02:24,943 INFO L158 Benchmark]: TraceAbstraction took 13137.70ms. Allocated memory was 255.9MB in the beginning and 446.7MB in the end (delta: 190.8MB). Free memory was 147.1MB in the beginning and 216.1MB in the end (delta: -69.0MB). Peak memory consumption was 122.9MB. Max. memory is 16.1GB. [2023-11-25 00:02:24,944 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 446.7MB. Free memory was 216.1MB in the beginning and 215.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:02:24,946 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory was 75.3MB in the beginning and 75.2MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4937.01ms. Allocated memory is still 180.4MB. Free memory was 123.3MB in the beginning and 79.1MB in the end (delta: 44.2MB). Peak memory consumption was 124.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 240.50ms. Allocated memory is still 180.4MB. Free memory was 79.1MB in the beginning and 67.5MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.98ms. Allocated memory is still 180.4MB. Free memory was 67.5MB in the beginning and 63.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 953.03ms. Allocated memory was 180.4MB in the beginning and 255.9MB in the end (delta: 75.5MB). Free memory was 63.3MB in the beginning and 148.2MB in the end (delta: -84.9MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * TraceAbstraction took 13137.70ms. Allocated memory was 255.9MB in the beginning and 446.7MB in the end (delta: 190.8MB). Free memory was 147.1MB in the beginning and 216.1MB in the end (delta: -69.0MB). Peak memory consumption was 122.9MB. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 446.7MB. Free memory was 216.1MB in the beginning and 215.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 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~ret2171 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2172 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2172 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: unknown boogie variable #t~ret2173 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2172 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite2174 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret2173 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2172 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~ret2014 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2014 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2016 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2016 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2018 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2017 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2016 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2018 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2018 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2016 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2017 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2018 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2017 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2016 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)=258, a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, len=258, 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)=258, a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, len=258, 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)=258, a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, len=258, 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)=258, a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, i=257, len=258, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L7123] EXPR a[i] [L7123] EXPR b[i] VAL [\old(len)=258, a={-2:0}, a={-2:0}, b={-3:0}, b={-3:0}, i=257, len=258, 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: 12.9s, OverallIterations: 8, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 173 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 136 mSDsluCounter, 3888 SdHoareTripleChecker+Invalid, 1.2s 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, 1.2s 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, 1.4s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 567 NumberOfCodeBlocks, 567 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 459 ConstructedInterpolants, 0 QuantifiedInterpolants, 1365 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 [2023-11-25 00:02:24,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/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_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:02:27,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:02:27,852 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-25 00:02:27,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:02:27,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:02:27,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:02:27,902 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:02:27,903 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:02:27,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:02:27,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:02:27,910 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:02:27,911 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:02:27,911 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:02:27,913 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:02:27,914 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:02:27,914 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:02:27,915 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:02:27,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:02:27,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:02:27,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:02:27,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:02:27,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:02:27,919 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:02:27,920 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:02:27,920 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:02:27,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:02:27,921 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:02:27,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:02:27,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:02:27,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:02:27,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:02:27,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:27,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:02:27,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:02:27,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:02:27,926 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:02:27,926 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:02:27,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:02:27,927 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:02:27,928 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:02:27,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:02:27,928 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_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 [2023-11-25 00:02:28,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:02:28,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:02:28,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:02:28,378 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:02:28,378 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:02:28,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2023-11-25 00:02:31,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:02:32,294 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:02:32,295 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2023-11-25 00:02:32,351 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/data/100d2e669/1b801c529da24705ae55cc2b14af6e7b/FLAG23b8c5274 [2023-11-25 00:02:32,373 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1087f08-ccc3-46aa-989d-48b739b10bda/bin/utaipan-verify-SwPr7d2a91/data/100d2e669/1b801c529da24705ae55cc2b14af6e7b [2023-11-25 00:02:32,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:02:32,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:02:32,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:32,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:02:32,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:02:32,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:32" (1/1) ... [2023-11-25 00:02:32,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5103fecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:32, skipping insertion in model container [2023-11-25 00:02:32,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:32" (1/1) ... [2023-11-25 00:02:32,614 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:02:32,995 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_a1087f08-ccc3-46aa-989d-48b739b10bda/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2023-11-25 00:02:33,008 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_a1087f08-ccc3-46aa-989d-48b739b10bda/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2023-11-25 00:02:34,453 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:34,454 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:34,455 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:34,459 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:34,460 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:34,484 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:34,489 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:34,491 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:34,492 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:35,115 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-25 00:02:35,117 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-25 00:02:35,118 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-25 00:02:35,119 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-25 00:02:35,121 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-25 00:02:35,122 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-25 00:02:35,123 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-25 00:02:35,123 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-25 00:02:35,124 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-25 00:02:35,125 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-25 00:02:35,598 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:35,599 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:35,979 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:35,980 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,003 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,004 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,018 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,018 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,034 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,034 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,035 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,037 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,037 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,038 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,038 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:36,186 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-25 00:02:36,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:02:36,289 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_a1087f08-ccc3-46aa-989d-48b739b10bda/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2023-11-25 00:02:36,290 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_a1087f08-ccc3-46aa-989d-48b739b10bda/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2023-11-25 00:02:36,347 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,347 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,351 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,352 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,352 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,360 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,362 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,363 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,364 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,411 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-25 00:02:36,412 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-25 00:02:36,413 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-25 00:02:36,414 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-25 00:02:36,415 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-25 00:02:36,415 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-25 00:02:36,416 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-25 00:02:36,417 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-25 00:02:36,418 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-25 00:02:36,418 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-25 00:02:36,524 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,527 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,679 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,680 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,689 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,690 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,692 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,693 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,701 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,702 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,702 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,703 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,703 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,703 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,704 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:36,773 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:02:36,787 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_a1087f08-ccc3-46aa-989d-48b739b10bda/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2023-11-25 00:02:36,787 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_a1087f08-ccc3-46aa-989d-48b739b10bda/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2023-11-25 00:02:36,818 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,818 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,819 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,819 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,820 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,827 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,828 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,829 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,829 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,859 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-25 00:02:36,859 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-25 00:02:36,860 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-25 00:02:36,861 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-25 00:02:36,861 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-25 00:02:36,862 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-25 00:02:36,863 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-25 00:02:36,863 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-25 00:02:36,863 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-25 00:02:36,864 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-25 00:02:36,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8255] [2023-11-25 00:02:36,972 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:36,972 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:37,051 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:37,052 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:37,061 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:37,062 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:37,064 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:37,065 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:37,068 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4773) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.countNumberOfPrimitiveElementInType(InitializationHandler.java:1056) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.lambda$3(InitializationHandler.java:1046) at java.base/java.util.stream.ReferencePipeline$5$1.accept(ReferencePipeline.java:229) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.LongPipeline.reduce(LongPipeline.java:474) at java.base/java.util.stream.LongPipeline.sum(LongPipeline.java:432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.countNumberOfPrimitiveElementInType(InitializationHandler.java:1046) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.useConstArrayInitialization(InitializationHandler.java:1022) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:262) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3027) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1156) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:306) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:275) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:258) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:204) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-25 00:02:37,074 INFO L158 Benchmark]: Toolchain (without parser) took 4692.95ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 73.1MB in the beginning and 52.3MB in the end (delta: 20.8MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. [2023-11-25 00:02:37,074 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:02:37,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4687.37ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 73.1MB in the beginning and 52.3MB in the end (delta: 20.8MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. [2023-11-25 00:02:37,077 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4687.37ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 73.1MB in the beginning and 52.3MB in the end (delta: 20.8MB). Peak memory consumption was 72.9MB. 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