./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 38b53e6a 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_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/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_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:57:04,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:57:04,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:57:04,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:57:04,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:57:04,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:57:04,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:57:04,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:57:04,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:57:04,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:57:04,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:57:04,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:57:04,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:57:04,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:57:04,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:57:04,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:57:04,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:57:04,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:57:04,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:57:04,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:57:04,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:57:04,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:57:04,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:57:04,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:57:04,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:57:04,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:57:04,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:57:04,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:57:04,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:57:04,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:57:04,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:57:04,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:57:04,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:57:04,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:57:04,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:57:04,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:57:04,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:57:04,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:57:04,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:57:04,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:57:04,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:57:04,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:57:04,559 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:57:04,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:57:04,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:57:04,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:57:04,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:57:04,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:57:04,562 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:57:04,563 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:57:04,563 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:57:04,563 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:57:04,565 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:57:04,565 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:57:04,565 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:57:04,566 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:57:04,566 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:57:04,566 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:57:04,567 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:57:04,567 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:57:04,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:57:04,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:57:04,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:57:04,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:57:04,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:57:04,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:57:04,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:57:04,571 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:57:04,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:57:04,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:57:04,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:57:04,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:57:04,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:57:04,574 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:57:04,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:57:04,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:57:04,575 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:57:04,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:57:04,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:57:04,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:57:04,576 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 [2022-11-26 00:57:04,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:57:04,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:57:04,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:57:04,963 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:57:04,963 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:57:04,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2022-11-26 00:57:08,178 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:57:08,844 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:57:08,845 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2022-11-26 00:57:08,905 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/data/5204bf038/622836232b3b4ae29e4d529a756b1e4f/FLAGb22b783f3 [2022-11-26 00:57:08,927 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/data/5204bf038/622836232b3b4ae29e4d529a756b1e4f [2022-11-26 00:57:08,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:57:08,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:57:08,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:57:08,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:57:08,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:57:08,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:57:08" (1/1) ... [2022-11-26 00:57:08,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dba0e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:08, skipping insertion in model container [2022-11-26 00:57:08,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:57:08" (1/1) ... [2022-11-26 00:57:08,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:57:09,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:57:09,508 WARN L237 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_b6ae9ace-8137-47cf-af9f-eb7814d05f45/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2022-11-26 00:57:09,519 WARN L237 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_b6ae9ace-8137-47cf-af9f-eb7814d05f45/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2022-11-26 00:57:10,962 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:10,963 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:10,969 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:10,970 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:10,971 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:10,986 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:10,987 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:10,989 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:10,990 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:11,108 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:57:11,109 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:57:11,110 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:57:11,116 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:57:11,119 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:57:11,120 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:57:11,575 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:57:11,576 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:57:11,578 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:57:11,579 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:57:11,581 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:57:11,582 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:57:11,583 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:57:11,584 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:57:11,585 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:57:11,586 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:57:11,587 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:57:11,832 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:57:11,884 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:57:11,905 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-26 00:57:11,918 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:57:11,963 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:11,963 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,308 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,309 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,347 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,349 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,363 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,364 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,388 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,390 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,391 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,391 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,392 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,392 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,393 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:57:12,533 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:57:12,563 WARN L237 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_b6ae9ace-8137-47cf-af9f-eb7814d05f45/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2022-11-26 00:57:12,569 WARN L237 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_b6ae9ace-8137-47cf-af9f-eb7814d05f45/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2022-11-26 00:57:12,635 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,635 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,639 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,640 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,640 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,648 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,648 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,649 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,650 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,657 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:57:12,658 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:57:12,658 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:57:12,664 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:57:12,674 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:57:12,675 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:57:12,698 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:57:12,699 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:57:12,700 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:57:12,701 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:57:12,702 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:57:12,703 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:57:12,704 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:57:12,705 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:57:12,706 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:57:12,706 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:57:12,707 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:57:12,729 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:57:12,743 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:57:12,756 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-26 00:57:12,763 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:57:12,805 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,808 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,913 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,914 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,924 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,925 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,932 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,933 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,943 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,944 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,945 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,947 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,947 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,948 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,948 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:12,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:57:13,429 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:57:13,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:13 WrapperNode [2022-11-26 00:57:13,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:57:13,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:57:13,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:57:13,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:57:13,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:13" (1/1) ... [2022-11-26 00:57:13,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:13" (1/1) ... [2022-11-26 00:57:13,660 INFO L138 Inliner]: procedures = 768, calls = 3252, calls flagged for inlining = 78, calls inlined = 5, statements flattened = 336 [2022-11-26 00:57:13,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:57:13,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:57:13,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:57:13,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:57:13,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:13" (1/1) ... [2022-11-26 00:57:13,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:13" (1/1) ... [2022-11-26 00:57:13,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:13" (1/1) ... [2022-11-26 00:57:13,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:13" (1/1) ... [2022-11-26 00:57:13,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:13" (1/1) ... [2022-11-26 00:57:13,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:13" (1/1) ... [2022-11-26 00:57:13,759 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:13" (1/1) ... [2022-11-26 00:57:13,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:13" (1/1) ... [2022-11-26 00:57:13,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:57:13,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:57:13,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:57:13,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:57:13,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:13" (1/1) ... [2022-11-26 00:57:13,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:57:13,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:57:13,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:57:13,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:57:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-26 00:57:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-26 00:57:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:57:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:57:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:57:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:57:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:57:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:57:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:57:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-26 00:57:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-26 00:57:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:57:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:57:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:57:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-26 00:57:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-26 00:57:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_c_str_is_allocated [2022-11-26 00:57:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_c_str_is_allocated [2022-11-26 00:57:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2022-11-26 00:57:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2022-11-26 00:57:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:57:14,279 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:57:14,281 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:57:14,737 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2022-11-26 00:57:14,752 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:57:14,829 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:57:14,829 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-26 00:57:14,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:14 BoogieIcfgContainer [2022-11-26 00:57:14,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:57:14,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:57:14,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:57:14,844 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:57:14,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:57:08" (1/3) ... [2022-11-26 00:57:14,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a028aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:57:14, skipping insertion in model container [2022-11-26 00:57:14,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:13" (2/3) ... [2022-11-26 00:57:14,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a028aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:57:14, skipping insertion in model container [2022-11-26 00:57:14,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:14" (3/3) ... [2022-11-26 00:57:14,849 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_c_str_eq_harness.i [2022-11-26 00:57:14,869 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:57:14,870 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:57:14,939 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:57:14,956 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=LoopsAndPotentialCycles, 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;@5f5f8b74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:57:14,956 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:57:14,961 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) [2022-11-26 00:57:14,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-26 00:57:14,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:14,975 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] [2022-11-26 00:57:14,976 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:57:14,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:14,985 INFO L85 PathProgramCache]: Analyzing trace with hash -2007445460, now seen corresponding path program 1 times [2022-11-26 00:57:14,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:15,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942994827] [2022-11-26 00:57:15,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:15,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:15,592 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-26 00:57:15,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:15,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942994827] [2022-11-26 00:57:15,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942994827] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:15,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:15,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:57:15,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615779581] [2022-11-26 00:57:15,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:15,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:57:15,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:15,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:57:15,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:57:15,669 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) [2022-11-26 00:57:15,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:15,752 INFO L93 Difference]: Finished difference Result 85 states and 108 transitions. [2022-11-26 00:57:15,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:57:15,755 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 [2022-11-26 00:57:15,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:15,768 INFO L225 Difference]: With dead ends: 85 [2022-11-26 00:57:15,768 INFO L226 Difference]: Without dead ends: 57 [2022-11-26 00:57:15,772 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 [2022-11-26 00:57:15,783 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 [2022-11-26 00:57:15,784 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] [2022-11-26 00:57:15,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-26 00:57:15,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-26 00:57:15,837 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) [2022-11-26 00:57:15,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 70 transitions. [2022-11-26 00:57:15,844 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 70 transitions. Word has length 50 [2022-11-26 00:57:15,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:15,847 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 70 transitions. [2022-11-26 00:57:15,848 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) [2022-11-26 00:57:15,848 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2022-11-26 00:57:15,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-26 00:57:15,853 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:15,853 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] [2022-11-26 00:57:15,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:57:15,854 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:57:15,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:15,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1782800097, now seen corresponding path program 1 times [2022-11-26 00:57:15,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:15,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140360152] [2022-11-26 00:57:15,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:15,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:17,120 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:57:17,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:17,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140360152] [2022-11-26 00:57:17,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140360152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:17,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:17,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:57:17,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069535963] [2022-11-26 00:57:17,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:17,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:57:17,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:17,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:57:17,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:57:17,157 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) [2022-11-26 00:57:17,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:17,635 INFO L93 Difference]: Finished difference Result 78 states and 92 transitions. [2022-11-26 00:57:17,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:57:17,636 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 [2022-11-26 00:57:17,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:17,638 INFO L225 Difference]: With dead ends: 78 [2022-11-26 00:57:17,638 INFO L226 Difference]: Without dead ends: 57 [2022-11-26 00:57:17,639 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 [2022-11-26 00:57:17,640 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 28 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:17,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 495 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:57:17,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-26 00:57:17,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-26 00:57:17,651 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) [2022-11-26 00:57:17,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2022-11-26 00:57:17,653 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 52 [2022-11-26 00:57:17,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:17,654 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2022-11-26 00:57:17,654 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) [2022-11-26 00:57:17,655 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2022-11-26 00:57:17,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-26 00:57:17,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:17,657 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] [2022-11-26 00:57:17,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:57:17,657 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:57:17,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:17,658 INFO L85 PathProgramCache]: Analyzing trace with hash 17086336, now seen corresponding path program 1 times [2022-11-26 00:57:17,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:17,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300909667] [2022-11-26 00:57:17,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:17,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:18,925 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-26 00:57:18,925 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:18,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300909667] [2022-11-26 00:57:18,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300909667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:18,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:18,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-26 00:57:18,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35866960] [2022-11-26 00:57:18,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:18,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-26 00:57:18,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:18,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-26 00:57:18,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-11-26 00:57:18,935 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) [2022-11-26 00:57:19,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:19,418 INFO L93 Difference]: Finished difference Result 86 states and 107 transitions. [2022-11-26 00:57:19,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:57:19,419 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 [2022-11-26 00:57:19,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:19,421 INFO L225 Difference]: With dead ends: 86 [2022-11-26 00:57:19,421 INFO L226 Difference]: Without dead ends: 84 [2022-11-26 00:57:19,422 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 [2022-11-26 00:57:19,423 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 41 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:19,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 688 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:57:19,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-26 00:57:19,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 74. [2022-11-26 00:57:19,439 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) [2022-11-26 00:57:19,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 92 transitions. [2022-11-26 00:57:19,448 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 92 transitions. Word has length 56 [2022-11-26 00:57:19,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:19,450 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 92 transitions. [2022-11-26 00:57:19,450 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) [2022-11-26 00:57:19,450 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 92 transitions. [2022-11-26 00:57:19,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-26 00:57:19,455 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:19,456 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] [2022-11-26 00:57:19,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:57:19,456 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:57:19,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:19,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1027398026, now seen corresponding path program 1 times [2022-11-26 00:57:19,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:19,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982250140] [2022-11-26 00:57:19,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:19,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:20,618 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-26 00:57:20,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:20,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982250140] [2022-11-26 00:57:20,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982250140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:20,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:20,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-26 00:57:20,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991765827] [2022-11-26 00:57:20,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:20,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:57:20,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:20,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:57:20,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:57:20,626 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) [2022-11-26 00:57:21,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:21,077 INFO L93 Difference]: Finished difference Result 90 states and 110 transitions. [2022-11-26 00:57:21,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:57:21,078 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 [2022-11-26 00:57:21,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:21,083 INFO L225 Difference]: With dead ends: 90 [2022-11-26 00:57:21,083 INFO L226 Difference]: Without dead ends: 88 [2022-11-26 00:57:21,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2022-11-26 00:57:21,086 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 33 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:21,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 644 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:57:21,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-26 00:57:21,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 82. [2022-11-26 00:57:21,120 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) [2022-11-26 00:57:21,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 100 transitions. [2022-11-26 00:57:21,123 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 100 transitions. Word has length 64 [2022-11-26 00:57:21,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:21,123 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 100 transitions. [2022-11-26 00:57:21,124 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) [2022-11-26 00:57:21,124 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 100 transitions. [2022-11-26 00:57:21,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-26 00:57:21,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:21,129 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] [2022-11-26 00:57:21,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:57:21,129 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:57:21,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:21,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1591579472, now seen corresponding path program 1 times [2022-11-26 00:57:21,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:21,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990886803] [2022-11-26 00:57:21,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:21,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:22,354 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-26 00:57:22,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:22,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990886803] [2022-11-26 00:57:22,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990886803] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:22,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:22,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:57:22,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561752697] [2022-11-26 00:57:22,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:22,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:57:22,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:22,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:57:22,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:57:22,358 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) [2022-11-26 00:57:22,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:22,785 INFO L93 Difference]: Finished difference Result 94 states and 113 transitions. [2022-11-26 00:57:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:57:22,785 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 [2022-11-26 00:57:22,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:22,787 INFO L225 Difference]: With dead ends: 94 [2022-11-26 00:57:22,787 INFO L226 Difference]: Without dead ends: 92 [2022-11-26 00:57:22,787 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 [2022-11-26 00:57:22,788 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 15 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:22,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 986 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:57:22,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-26 00:57:22,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 86. [2022-11-26 00:57:22,801 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) [2022-11-26 00:57:22,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 103 transitions. [2022-11-26 00:57:22,803 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 103 transitions. Word has length 79 [2022-11-26 00:57:22,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:22,803 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 103 transitions. [2022-11-26 00:57:22,804 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) [2022-11-26 00:57:22,804 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2022-11-26 00:57:22,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-26 00:57:22,805 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:22,805 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] [2022-11-26 00:57:22,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:57:22,806 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:57:22,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:22,806 INFO L85 PathProgramCache]: Analyzing trace with hash -886361530, now seen corresponding path program 1 times [2022-11-26 00:57:22,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:22,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92314182] [2022-11-26 00:57:22,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:22,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:24,382 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-11-26 00:57:24,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:24,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92314182] [2022-11-26 00:57:24,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92314182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:24,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:24,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:57:24,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866192742] [2022-11-26 00:57:24,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:24,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:57:24,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:24,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:57:24,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:57:24,386 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) [2022-11-26 00:57:24,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:24,700 INFO L93 Difference]: Finished difference Result 92 states and 108 transitions. [2022-11-26 00:57:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:57:24,700 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 [2022-11-26 00:57:24,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:24,706 INFO L225 Difference]: With dead ends: 92 [2022-11-26 00:57:24,707 INFO L226 Difference]: Without dead ends: 88 [2022-11-26 00:57:24,707 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 [2022-11-26 00:57:24,708 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 18 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:24,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 546 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:57:24,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-26 00:57:24,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 63. [2022-11-26 00:57:24,735 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) [2022-11-26 00:57:24,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 73 transitions. [2022-11-26 00:57:24,737 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 73 transitions. Word has length 87 [2022-11-26 00:57:24,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:24,738 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 73 transitions. [2022-11-26 00:57:24,739 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) [2022-11-26 00:57:24,739 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2022-11-26 00:57:24,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-26 00:57:24,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:24,741 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] [2022-11-26 00:57:24,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:57:24,742 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:57:24,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:24,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1344876461, now seen corresponding path program 1 times [2022-11-26 00:57:24,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:24,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264295750] [2022-11-26 00:57:24,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:24,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:26,504 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-26 00:57:26,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:26,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264295750] [2022-11-26 00:57:26,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264295750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:26,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:26,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:57:26,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408975285] [2022-11-26 00:57:26,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:26,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:57:26,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:26,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:57:26,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:57:26,508 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) [2022-11-26 00:57:26,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:26,909 INFO L93 Difference]: Finished difference Result 94 states and 112 transitions. [2022-11-26 00:57:26,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:57:26,910 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 [2022-11-26 00:57:26,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:26,911 INFO L225 Difference]: With dead ends: 94 [2022-11-26 00:57:26,912 INFO L226 Difference]: Without dead ends: 63 [2022-11-26 00:57:26,912 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 [2022-11-26 00:57:26,914 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 29 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:26,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 670 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:57:26,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-26 00:57:26,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-26 00:57:26,929 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) [2022-11-26 00:57:26,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2022-11-26 00:57:26,930 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 78 [2022-11-26 00:57:26,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:26,931 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2022-11-26 00:57:26,931 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) [2022-11-26 00:57:26,931 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2022-11-26 00:57:26,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-26 00:57:26,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:26,940 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] [2022-11-26 00:57:26,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:57:26,941 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:57:26,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:26,941 INFO L85 PathProgramCache]: Analyzing trace with hash -228044931, now seen corresponding path program 1 times [2022-11-26 00:57:26,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:26,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730270561] [2022-11-26 00:57:26,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:26,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:57:27,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 00:57:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:57:27,828 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 00:57:27,828 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 00:57:27,830 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-26 00:57:27,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:57:27,838 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:27,844 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:57:27,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:57:27 BoogieIcfgContainer [2022-11-26 00:57:27,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:57:27,952 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:57:27,952 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:57:27,953 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:57:27,953 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:14" (3/4) ... [2022-11-26 00:57:27,957 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 00:57:27,957 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:57:27,958 INFO L158 Benchmark]: Toolchain (without parser) took 19022.87ms. Allocated memory was 144.7MB in the beginning and 432.0MB in the end (delta: 287.3MB). Free memory was 79.8MB in the beginning and 340.9MB in the end (delta: -261.1MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2022-11-26 00:57:27,959 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:57:27,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4490.38ms. Allocated memory was 144.7MB in the beginning and 247.5MB in the end (delta: 102.8MB). Free memory was 79.8MB in the beginning and 153.4MB in the end (delta: -73.6MB). Peak memory consumption was 111.3MB. Max. memory is 16.1GB. [2022-11-26 00:57:27,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 231.48ms. Allocated memory is still 247.5MB. Free memory was 153.4MB in the beginning and 142.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:57:27,960 INFO L158 Benchmark]: Boogie Preprocessor took 118.35ms. Allocated memory is still 247.5MB. Free memory was 142.9MB in the beginning and 138.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:57:27,961 INFO L158 Benchmark]: RCFGBuilder took 1054.65ms. Allocated memory is still 247.5MB. Free memory was 138.7MB in the beginning and 170.5MB in the end (delta: -31.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-26 00:57:27,961 INFO L158 Benchmark]: TraceAbstraction took 13111.75ms. Allocated memory was 247.5MB in the beginning and 432.0MB in the end (delta: 184.5MB). Free memory was 169.4MB in the beginning and 340.9MB in the end (delta: -171.4MB). Peak memory consumption was 186.1MB. Max. memory is 16.1GB. [2022-11-26 00:57:27,962 INFO L158 Benchmark]: Witness Printer took 5.40ms. Allocated memory is still 432.0MB. Free memory is still 340.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:57:27,965 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4490.38ms. Allocated memory was 144.7MB in the beginning and 247.5MB in the end (delta: 102.8MB). Free memory was 79.8MB in the beginning and 153.4MB in the end (delta: -73.6MB). Peak memory consumption was 111.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 231.48ms. Allocated memory is still 247.5MB. Free memory was 153.4MB in the beginning and 142.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.35ms. Allocated memory is still 247.5MB. Free memory was 142.9MB in the beginning and 138.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1054.65ms. Allocated memory is still 247.5MB. Free memory was 138.7MB in the beginning and 170.5MB in the end (delta: -31.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 13111.75ms. Allocated memory was 247.5MB in the beginning and 432.0MB in the end (delta: 184.5MB). Free memory was 169.4MB in the beginning and 340.9MB in the end (delta: -171.4MB). Peak memory consumption was 186.1MB. Max. memory is 16.1GB. * Witness Printer took 5.40ms. Allocated memory is still 432.0MB. Free memory is still 340.9MB. There was no memory consumed. Max. memory is 16.1GB. * 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 call to reach_error is unreachable Unable to prove that 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, nondet_uint64_t()=-18446744073709551615, 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, bounded_malloc(cap)={-2:0}, 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}, str[cap - 1]=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}, str[cap - 1]=0] [L6839] return str; [L11318] RET, EXPR ensure_c_str_is_allocated(64) VAL [ensure_c_str_is_allocated(64)={-2:0}, 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 [nondet_bool()=0, 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 [nondet_bool()=0, 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, nondet_uint64_t()=18446744073709551617, 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, bounded_malloc(cap)={-3:0}, 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}, str[cap - 1]=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}, str[cap - 1]=0] [L6839] return str; [L11319] RET, EXPR ensure_c_str_is_allocated(64) VAL [ensure_c_str_is_allocated(64)={-3:0}, nondet_bool()=0, 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 [ensure_c_str_is_allocated(64)={-3:0}, nondet_bool()=0, nondet_bool() ? str1 : ensure_c_str_is_allocated(64)={-3:0}, 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}, aws_c_string_is_valid(a)=1, 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}, aws_c_string_is_valid(a)=1, 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}, aws_c_string_is_valid(b)=1, 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}, aws_c_string_is_valid(b)=1, 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}, aws_c_string_is_valid(a)=1, 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}, aws_c_string_is_valid(a)=1, aws_c_string_is_valid(a) && aws_c_string_is_valid(b)=1, 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}, aws_c_string_is_valid(a)=1, aws_c_string_is_valid(a) && aws_c_string_is_valid(b)=1, aws_c_string_is_valid(b)=1, 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}, aws_c_string_is_valid(a)=1, aws_c_string_is_valid(a) && aws_c_string_is_valid(b)=1, aws_c_string_is_valid(b)=1, 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}, aws_c_string_is_valid(a)=1, aws_c_string_is_valid(a) && aws_c_string_is_valid(b)=1, aws_c_string_is_valid(b)=1, 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, nondet_uint64_t()=18446744073709551873, 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}, a[i]=-255, b={-3:0}, b={-3:0}, b[i]=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: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 199 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 4097 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3656 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1598 IncrementalHoareTripleChecker+Invalid, 1676 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 441 mSDtfsCounter, 1598 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=5, InterpolantAutomatonStates: 88, 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, 47 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 567 NumberOfCodeBlocks, 567 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 459 ConstructedInterpolants, 0 QuantifiedInterpolants, 1325 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 [2022-11-26 00:57:27,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/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_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:57:30,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:57:30,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:57:30,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:57:30,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:57:30,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:57:30,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:57:30,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:57:30,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:57:30,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:57:30,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:57:30,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:57:30,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:57:30,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:57:30,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:57:30,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:57:30,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:57:30,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:57:30,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:57:30,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:57:30,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:57:30,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:57:30,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:57:30,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:57:30,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:57:30,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:57:30,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:57:30,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:57:30,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:57:30,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:57:30,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:57:30,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:57:30,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:57:30,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:57:30,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:57:30,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:57:30,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:57:30,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:57:30,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:57:30,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:57:30,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:57:30,857 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-26 00:57:30,893 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:57:30,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:57:30,894 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:57:30,894 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:57:30,895 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:57:30,895 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:57:30,895 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:57:30,896 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:57:30,896 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:57:30,896 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:57:30,896 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:57:30,897 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:57:30,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:57:30,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:57:30,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:57:30,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:57:30,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:57:30,899 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:57:30,899 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:57:30,899 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:57:30,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:57:30,900 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:57:30,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:57:30,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:57:30,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:57:30,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:57:30,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:57:30,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:57:30,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:57:30,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:57:30,902 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:57:30,902 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:57:30,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:57:30,902 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:57:30,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:57:30,903 INFO L138 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_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 [2022-11-26 00:57:31,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:57:31,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:57:31,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:57:31,332 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:57:31,333 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:57:31,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2022-11-26 00:57:34,710 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:57:35,372 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:57:35,373 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2022-11-26 00:57:35,433 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/data/5abd744a9/1fa2f48c27c9436099041ea896370755/FLAG64c0086a8 [2022-11-26 00:57:35,464 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ae9ace-8137-47cf-af9f-eb7814d05f45/bin/utaipan-ByfvJB40ur/data/5abd744a9/1fa2f48c27c9436099041ea896370755 [2022-11-26 00:57:35,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:57:35,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:57:35,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:57:35,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:57:35,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:57:35,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:57:35" (1/1) ... [2022-11-26 00:57:35,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b9132b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:35, skipping insertion in model container [2022-11-26 00:57:35,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:57:35" (1/1) ... [2022-11-26 00:57:35,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:57:35,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:57:36,091 WARN L237 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_b6ae9ace-8137-47cf-af9f-eb7814d05f45/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2022-11-26 00:57:36,101 WARN L237 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_b6ae9ace-8137-47cf-af9f-eb7814d05f45/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2022-11-26 00:57:37,533 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:37,534 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:37,534 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:37,535 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:37,537 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:37,551 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:37,552 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:37,554 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:37,558 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:37,685 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:57:37,686 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:57:37,687 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:57:37,693 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:57:37,696 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:57:37,697 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:57:38,216 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:57:38,218 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:57:38,219 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:57:38,220 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:57:38,222 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:57:38,224 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:57:38,225 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:57:38,226 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:57:38,234 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:57:38,236 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:57:38,240 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:57:38,497 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:57:38,520 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:57:38,539 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-26 00:57:38,551 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:57:38,594 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:38,594 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:38,945 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:38,946 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:38,972 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:38,973 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:38,981 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:38,981 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:38,997 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:38,998 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:38,999 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,000 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,000 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,000 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,001 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:57:39,156 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-26 00:57:39,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:57:39,281 WARN L237 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_b6ae9ace-8137-47cf-af9f-eb7814d05f45/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2022-11-26 00:57:39,281 WARN L237 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_b6ae9ace-8137-47cf-af9f-eb7814d05f45/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2022-11-26 00:57:39,340 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,340 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,341 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,345 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,346 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,353 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,355 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,358 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,374 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,382 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:57:39,383 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:57:39,384 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:57:39,389 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:57:39,398 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:57:39,398 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:57:39,424 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:57:39,425 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:57:39,427 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:57:39,427 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:57:39,429 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:57:39,430 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:57:39,431 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:57:39,432 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:57:39,433 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:57:39,433 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:57:39,434 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:57:39,455 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:57:39,466 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:57:39,479 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-26 00:57:39,486 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:57:39,519 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,522 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,642 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,643 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,650 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,651 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,653 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,654 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,660 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,661 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,662 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,662 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,663 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,663 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,664 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:57:39,729 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:57:39,742 WARN L237 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_b6ae9ace-8137-47cf-af9f-eb7814d05f45/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2022-11-26 00:57:39,743 WARN L237 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_b6ae9ace-8137-47cf-af9f-eb7814d05f45/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2022-11-26 00:57:39,828 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,829 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,829 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,830 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,830 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,836 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,837 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,838 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,850 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:39,862 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:57:39,862 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:57:39,864 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:57:39,867 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:57:39,868 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:57:39,882 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:57:39,904 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:57:39,915 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:57:39,915 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:57:39,916 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:57:39,916 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:57:39,917 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:57:39,918 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:57:39,918 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:57:39,944 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:57:39,945 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:57:39,946 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:57:39,989 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:57:40,010 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:57:40,037 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-26 00:57:40,044 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:57:40,144 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:40,144 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:40,228 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:40,229 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:40,238 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:40,239 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:40,242 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:40,243 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:57:40,246 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.CTranslationUtil.countNumberOfPrimitiveElementInType(CTranslationUtil.java:560) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CTranslationUtil.countNumberOfPrimitiveElementInType(CTranslationUtil.java:553) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.useConstantArrayForOnHeapDefaultInit(InitializationHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:261) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:207) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2963) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2172) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1148) 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.visit(CHandler.java:1094) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1496) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2395) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-11-26 00:57:40,252 INFO L158 Benchmark]: Toolchain (without parser) took 4782.22ms. Allocated memory was 69.2MB in the beginning and 134.2MB in the end (delta: 65.0MB). Free memory was 35.8MB in the beginning and 60.1MB in the end (delta: -24.3MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2022-11-26 00:57:40,253 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory was 46.7MB in the beginning and 46.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:57:40,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4775.12ms. Allocated memory was 69.2MB in the beginning and 134.2MB in the end (delta: 65.0MB). Free memory was 35.6MB in the beginning and 60.1MB in the end (delta: -24.5MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2022-11-26 00:57:40,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory was 46.7MB in the beginning and 46.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4775.12ms. Allocated memory was 69.2MB in the beginning and 134.2MB in the end (delta: 65.0MB). Free memory was 35.6MB in the beginning and 60.1MB in the end (delta: -24.5MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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